src/video/x11/SDL_x11render.c
author Sunny Sachanandani <sunnysachanandani@gmail.com>
Fri, 28 May 2010 20:48:58 +0530
changeset 4575 037ddbeee6c3
parent 4574 bfb4933c0efa
child 4576 2b98162b536a
permissions -rw-r--r--
Fix typo.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2010 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#if SDL_VIDEO_RENDER_X11
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#include <limits.h> /* For INT_MIN and INT_MAX */
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#include "SDL_x11video.h"
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#include "../SDL_rect_c.h"
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#include "../SDL_pixels_c.h"
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#include "../SDL_yuv_sw_c.h"
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/* X11 renderer implementation */
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static SDL_Renderer *X11_CreateRenderer(SDL_Window * window, Uint32 flags);
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static int X11_DisplayModeChanged(SDL_Renderer * renderer);
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static int X11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int X11_QueryTexturePixels(SDL_Renderer * renderer,
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                                  SDL_Texture * texture, void **pixels,
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                                  int *pitch);
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static int X11_SetTextureBlendMode(SDL_Renderer * renderer,
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                                   SDL_Texture * texture);
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static int X11_SetTextureScaleMode(SDL_Renderer * renderer,
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                                   SDL_Texture * texture);
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static int X11_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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                             const SDL_Rect * rect, const void *pixels,
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                             int pitch);
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static int X11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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                           const SDL_Rect * rect, int markDirty,
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                           void **pixels, int *pitch);
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static void X11_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int X11_SetDrawBlendMode(SDL_Renderer * renderer);
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static int X11_RenderDrawPoints(SDL_Renderer * renderer,
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                                const SDL_Point * points, int count);
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static int X11_RenderDrawLines(SDL_Renderer * renderer,
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                               const SDL_Point * points, int count);
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static int X11_RenderDrawRects(SDL_Renderer * renderer,
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                               const SDL_Rect ** rects, int count);
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static int X11_RenderFillRects(SDL_Renderer * renderer,
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                               const SDL_Rect ** rects, int count);
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static int X11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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                          const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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static int X11_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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                                Uint32 format, void * pixels, int pitch);
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static int X11_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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                                 Uint32 format, const void * pixels, int pitch);
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static void X11_RenderPresent(SDL_Renderer * renderer);
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static void X11_DestroyTexture(SDL_Renderer * renderer,
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                               SDL_Texture * texture);
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static void X11_DestroyRenderer(SDL_Renderer * renderer);
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SDL_RenderDriver X11_RenderDriver = {
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    X11_CreateRenderer,
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    {
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     "x11",
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     (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
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      SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
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      SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED),
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     SDL_TEXTUREMODULATE_NONE,
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     SDL_BLENDMODE_NONE,
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     SDL_TEXTURESCALEMODE_NONE,
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     0,
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     {0},
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     0,
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     0}
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};
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typedef struct
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{
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    Display *display;
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    int screen;
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    Visual *visual;
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    int depth;
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    int scanline_pad;
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    Window xwindow;
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    Pixmap pixmaps[3];
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#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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    Picture xwindow_pict;
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    Picture pixmap_picts[3];
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    Picture * drawable_pict;
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    XRenderPictFormat* xwindow_pict_fmt;
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    XRenderPictureAttributes xwindow_pict_attr;
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    unsigned int xwindow_pict_attr_valuemask;
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    SDL_bool xrender_available;
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#endif
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    int current_pixmap;
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    Drawable drawable;
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    SDL_PixelFormat format;
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    GC gc;
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    SDL_DirtyRectList dirty;
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    SDL_bool makedirty;
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} X11_RenderData;
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typedef struct
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{
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    SDL_SW_YUVTexture *yuv;
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    Uint32 format;
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    Pixmap pixmap;
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#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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    Picture picture;
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    XRenderPictFormat* picture_fmt;
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    XRenderPictureAttributes picture_attr;
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    unsigned int picture_attr_valuemask;
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    SDL_bool xrender_available;
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#endif
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    XImage *image;
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#ifndef NO_SHARED_MEMORY
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    /* MIT shared memory extension information */
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    XShmSegmentInfo shminfo;
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#endif
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    XImage *scaling_image;
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    void *pixels;
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    int pitch;
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} X11_TextureData;
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#ifndef NO_SHARED_MEMORY
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/* Shared memory error handler routine */
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static int shm_error;
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static int (*X_handler) (Display *, XErrorEvent *) = NULL;
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static int
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shm_errhandler(Display * d, XErrorEvent * e)
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{
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    if (e->error_code == BadAccess) {
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        shm_error = True;
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        return (0);
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    } else {
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        return (X_handler(d, e));
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    }
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}
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#endif /* ! NO_SHARED_MEMORY */
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static void
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UpdateYUVTextureData(SDL_Texture * texture)
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{
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    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
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    SDL_Rect rect;
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    rect.x = 0;
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    rect.y = 0;
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    rect.w = texture->w;
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    rect.h = texture->h;
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    SDL_SW_CopyYUVToRGB(data->yuv, &rect, data->format, texture->w,
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                        texture->h, data->pixels, data->pitch);
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}
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void
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X11_AddRenderDriver(_THIS)
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{
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    SDL_RendererInfo *info = &X11_RenderDriver.info;
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    SDL_DisplayMode *mode = &SDL_CurrentDisplay->desktop_mode;
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    int i;
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    info->texture_formats[info->num_texture_formats++] = mode->format;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YV12;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YUY2;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_UYVY;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YVYU;
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    for (i = 0; i < _this->num_displays; ++i) {
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        SDL_AddRenderDriver(&_this->displays[i], &X11_RenderDriver);
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    }
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}
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SDL_Renderer *
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X11_CreateRenderer(SDL_Window * window, Uint32 flags)
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{
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    SDL_VideoDisplay *display = window->display;
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    SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
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    SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
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    SDL_Renderer *renderer;
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    X11_RenderData *data;
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    XGCValues gcv;
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    int i, n;
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    int bpp;
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    Uint32 Rmask, Gmask, Bmask, Amask;
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    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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    if (!renderer) {
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        SDL_OutOfMemory();
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        return NULL;
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    }
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    data = (X11_RenderData *) SDL_calloc(1, sizeof(*data));
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    if (!data) {
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        X11_DestroyRenderer(renderer);
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        SDL_OutOfMemory();
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        return NULL;
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    }
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    data->display = windowdata->videodata->display;
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    data->screen = displaydata->screen;
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    data->visual = displaydata->visual;
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    data->depth = displaydata->depth;
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    data->scanline_pad = displaydata->scanline_pad;
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    data->xwindow = windowdata->xwindow;
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#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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    int event_basep, error_basep;
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    if(XRenderQueryExtension(data->display, &event_basep, &error_basep) == True) {
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        data->xrender_available = SDL_TRUE;
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        data->xwindow_pict_fmt = XRenderFindVisualFormat(data->display, data->visual);
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        if(!xwindow_pict_fmt) {
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            data->xrender_available = SDL_FALSE;
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   224
        }
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        data->xwindow_pict_attr.graphics_exposures = False;
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        data->xwindow_pict_attr_valuemask = CPGraphicsExposure;
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        data->xwindow_pict = XRenderCreatePicture(data->display, data->xwindow, data->xwindow_pict_fmt,
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                                                  data->xwindow_pict_attr_valuemask, &data->xwindow_pict_attr);
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        if(!data->xwindow_pict) {
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            data->xrender_available = SDL_FALSE;
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   231
        }
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   232
    }
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    else {
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   234
        data->xrender_available = SDL_FALSE;
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   235
    }
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diff changeset
   236
#endif
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    renderer->DisplayModeChanged = X11_DisplayModeChanged;
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   238
    renderer->CreateTexture = X11_CreateTexture;
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   239
    renderer->QueryTexturePixels = X11_QueryTexturePixels;
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   240
    renderer->SetTextureBlendMode = X11_SetTextureBlendMode;
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   241
    renderer->SetTextureScaleMode = X11_SetTextureScaleMode;
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   242
    renderer->UpdateTexture = X11_UpdateTexture;
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   243
    renderer->LockTexture = X11_LockTexture;
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   244
    renderer->UnlockTexture = X11_UnlockTexture;
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   245
    renderer->SetDrawBlendMode = X11_SetDrawBlendMode;
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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diff changeset
   246
    renderer->RenderDrawPoints = X11_RenderDrawPoints;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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diff changeset
   247
    renderer->RenderDrawLines = X11_RenderDrawLines;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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   248
    renderer->RenderDrawRects = X11_RenderDrawRects;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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diff changeset
   249
    renderer->RenderFillRects = X11_RenderFillRects;
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   250
    renderer->RenderCopy = X11_RenderCopy;
3559
5f26a7eb5ff0 Implemented read/write pixels for the X11 renderer
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diff changeset
   251
    renderer->RenderReadPixels = X11_RenderReadPixels;
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   252
    renderer->RenderWritePixels = X11_RenderWritePixels;
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   253
    renderer->RenderPresent = X11_RenderPresent;
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   254
    renderer->DestroyTexture = X11_DestroyTexture;
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   255
    renderer->DestroyRenderer = X11_DestroyRenderer;
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   256
    renderer->info = X11_RenderDriver.info;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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diff changeset
   257
    renderer->window = window;
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   258
    renderer->driverdata = data;
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   259
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   260
    renderer->info.flags = SDL_RENDERER_ACCELERATED;
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   261
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   262
    if (flags & SDL_RENDERER_SINGLEBUFFER) {
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   263
        renderer->info.flags |=
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   264
            (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY);
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   265
        n = 0;
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diff changeset
   266
    } else if (flags & SDL_RENDERER_PRESENTFLIP2) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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   267
        renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
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   268
        n = 2;
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diff changeset
   269
    } else if (flags & SDL_RENDERER_PRESENTFLIP3) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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   270
        renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
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   271
        n = 3;
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   272
    } else {
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   273
        renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
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   274
        n = 1;
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   275
    }
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   276
    for (i = 0; i < n; ++i) {
2814
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   277
        data->pixmaps[i] =
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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   278
            XCreatePixmap(data->display, data->xwindow, window->w, window->h,
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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diff changeset
   279
                          displaydata->depth);
2810
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   280
        if (data->pixmaps[i] == None) {
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   281
            X11_DestroyRenderer(renderer);
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   282
            SDL_SetError("XCreatePixmap() failed");
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   283
            return NULL;
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diff changeset
   284
        }
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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   285
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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diff changeset
   286
        if(data->xrender_available == SDL_TRUE) {
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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diff changeset
   287
            data->pixmap_picts[i] = 
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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diff changeset
   288
                XCreatePicture(data->display, data->pixmap[i], data->xwindow_pict_fmt,
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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diff changeset
   289
                               data->xwindow_pict_attr_valuemask, &xwindow_pict_attr);
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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diff changeset
   290
            if(!data->pixmap_picts[i]) {
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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diff changeset
   291
                data->xrender_available = SDL_FALSE;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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diff changeset
   292
            }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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diff changeset
   293
        }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
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diff changeset
   294
#endif
2810
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diff changeset
   295
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   296
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   297
        data->drawable = data->pixmaps[0];
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
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diff changeset
   298
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
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diff changeset
   299
        if(data->xrender_available == SDL_TRUE)
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
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diff changeset
   300
            data->drawable_pict = &(data->pixmap_picts[0]);
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
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diff changeset
   301
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   302
        data->makedirty = SDL_TRUE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   303
    } else {
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   304
        data->drawable = data->xwindow;
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
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parents: 4571
diff changeset
   305
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
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parents: 4571
diff changeset
   306
        if(data->xrender_available == SDL_TRUE)
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
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parents: 4571
diff changeset
   307
            data->drawable_pict = &(data->xwindow_pict);
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
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parents: 4571
diff changeset
   308
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   309
        data->makedirty = SDL_FALSE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   310
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   311
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   312
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   313
    /* Get the format of the window */
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   314
    if (!SDL_PixelFormatEnumToMasks
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   315
        (display->current_mode.format, &bpp, &Rmask, &Gmask, &Bmask,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   316
         &Amask)) {
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   317
        SDL_SetError("Unknown display format");
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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parents: 2868
diff changeset
   318
        X11_DestroyRenderer(renderer);
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   319
        return NULL;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   320
    }
2967
e4a469d6ddab Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
   321
    SDL_InitFormat(&data->format, bpp, Rmask, Gmask, Bmask, Amask);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   322
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   323
    /* Create the drawing context */
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   324
    gcv.graphics_exposures = False;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   325
    data->gc =
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   326
        XCreateGC(data->display, data->xwindow, GCGraphicsExposures, &gcv);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   327
    if (!data->gc) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   328
        X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   329
        SDL_SetError("XCreateGC() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   330
        return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   331
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   332
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   333
    return renderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   334
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   335
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   336
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   337
X11_DisplayModeChanged(SDL_Renderer * renderer)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   338
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   339
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   340
    SDL_Window *window = renderer->window;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   341
    int i, n;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   342
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   343
    if (renderer->info.flags & SDL_RENDERER_SINGLEBUFFER) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   344
        n = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   345
    } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   346
        n = 2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   347
    } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   348
        n = 3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   349
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   350
        n = 1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   351
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   352
    for (i = 0; i < n; ++i) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   353
        if (data->pixmaps[i] != None) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   354
            XFreePixmap(data->display, data->pixmaps[i]);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   355
            data->pixmaps[i] = None;
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   356
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   357
            data->pictures[i] = None;
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   358
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   359
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   360
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   361
    for (i = 0; i < n; ++i) {
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   362
        data->pixmaps[i] =
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   363
            XCreatePixmap(data->display, data->xwindow, window->w, window->h,
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   364
                          data->depth);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   365
        if (data->pixmaps[i] == None) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   366
            SDL_SetError("XCreatePixmap() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   367
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   368
        }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   369
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   370
        if(data->xrender_available == SDL_TRUE) {
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   371
            data->pictures[i] = 
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   372
                XCreatePicture(data->display, data->pixmap[i], data->xwindow_pict_fmt,
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   373
                               data->xwindow_pict_attr_valuemask, &data->xwindow_pict_attr);
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   374
            if(!data->pictures[i]) {
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   375
                data->xrender_available = SDL_FALSE;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   376
            }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   377
        }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   378
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   381
        data->drawable = data->pixmaps[0];
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   382
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   383
        data->drawable_pict = &(data->pictures[0]);
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   384
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   385
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   386
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   387
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   388
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   389
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   390
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   391
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   392
X11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   393
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
    X11_RenderData *renderdata = (X11_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   395
    SDL_Window *window = renderer->window;
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   396
    SDL_VideoDisplay *display = window->display;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
    X11_TextureData *data;
2916
ffdd533f7add Fixed pitch alignment problem causing MITSHM error on 16-bit displays
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
   398
    int pitch_alignmask = ((renderdata->scanline_pad / 8) - 1);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
    data = (X11_TextureData *) SDL_calloc(1, sizeof(*data));
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
    if (!data) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
        SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
    texture->driverdata = data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
    if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
        data->yuv =
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
            SDL_SW_CreateYUVTexture(texture->format, texture->w, texture->h);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
        if (!data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
        data->format = display->current_mode.format;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
    } else {
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   415
        /* If Xrender support is builtin we only need to check whether
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   416
           Xrender is available at runtime. If it is available there
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   417
           can be no BadMatch error since Xrender takes care of that.
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   418
        */
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   419
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4574
bfb4933c0efa Fix initial value of the xrender_available boolean in X11_CreateTexture.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4573
diff changeset
   420
        // Assume the texture is supported by Xrender
4575
037ddbeee6c3 Fix typo.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4574
diff changeset
   421
        data->xrender_available = SDL_TRUE;
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   422
        if(renderdata->xrender_available == SDL_False) {
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   423
            if (texture->format != display->current_mode.format) {
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   424
                SDL_SetError("Texture format doesn't match window format");
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   425
                return -1;
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   426
            }
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   427
        }
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   428
#else
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   429
        /* The image/pixmap depth must be the same as the window or you
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   430
           get a BadMatch error when trying to putimage or copyarea.
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   431
           This BadMatch error
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   432
        */
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   433
        if (texture->format != display->current_mode.format) {
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   434
            SDL_SetError("Texture format doesn't match window format");
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   435
            return -1;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   436
        }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   437
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   438
        data->format = texture->format;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   439
    }
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   440
    data->pitch = texture->w * SDL_BYTESPERPIXEL(data->format);
2916
ffdd533f7add Fixed pitch alignment problem causing MITSHM error on 16-bit displays
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
   441
    data->pitch = (data->pitch + pitch_alignmask) & ~pitch_alignmask;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
    if (data->yuv || texture->access == SDL_TEXTUREACCESS_STREAMING) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
#ifndef NO_SHARED_MEMORY
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
        XShmSegmentInfo *shminfo = &data->shminfo;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
        shm_error = True;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
        if (SDL_X11_HAVE_SHM) {
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   450
            shminfo->shmid =
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   451
                shmget(IPC_PRIVATE, texture->h * data->pitch,
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   452
                       IPC_CREAT | 0777);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
            if (shminfo->shmid >= 0) {
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   454
                shminfo->shmaddr = (char *) shmat(shminfo->shmid, 0, 0);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
                shminfo->readOnly = False;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   456
                if (shminfo->shmaddr != (char *) -1) {
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   457
                    shm_error = False;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
                    X_handler = XSetErrorHandler(shm_errhandler);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
                    XShmAttach(renderdata->display, shminfo);
3239
ab5aebd50add Fix suggested by Bob
Sam Lantinga <slouken@libsdl.org>
parents: 3066
diff changeset
   460
                    XSync(renderdata->display, False);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
                    XSetErrorHandler(X_handler);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
                    if (shm_error) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
                        shmdt(shminfo->shmaddr);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   464
                    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   465
                }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   466
                shmctl(shminfo->shmid, IPC_RMID, NULL);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   467
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   468
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   469
        if (!shm_error) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
            data->pixels = shminfo->shmaddr;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   472
            data->image =
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   473
                XShmCreateImage(renderdata->display, renderdata->visual,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   474
                                renderdata->depth, ZPixmap, shminfo->shmaddr,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   475
                                shminfo, texture->w, texture->h);
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   476
            if (!data->image) {
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
                XShmDetach(renderdata->display, shminfo);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
                XSync(renderdata->display, False);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
                shmdt(shminfo->shmaddr);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
                shm_error = True;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   483
        if (shm_error) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
            shminfo->shmaddr = NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   485
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   486
        if (!data->image)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
#endif /* not NO_SHARED_MEMORY */
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
        {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
            data->pixels = SDL_malloc(texture->h * data->pitch);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
            if (!data->pixels) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   491
                X11_DestroyTexture(renderer, texture);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
                SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
                return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   496
            data->image =
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   497
                XCreateImage(renderdata->display, renderdata->visual,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   498
                             renderdata->depth, ZPixmap, 0, data->pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   499
                             texture->w, texture->h,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   500
                             SDL_BYTESPERPIXEL(data->format) * 8,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   501
                             data->pitch);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
            if (!data->image) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   503
                X11_DestroyTexture(renderer, texture);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
                SDL_SetError("XCreateImage() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
                return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   508
    } else {
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   509
        data->pixmap =
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   510
            XCreatePixmap(renderdata->display, renderdata->xwindow, texture->w,
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   511
                          texture->h, renderdata->depth);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
        if (data->pixmap == None) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   513
            X11_DestroyTexture(renderer, texture);
3044
b36579172f27 Changes to hopefully handle the creation of a colormap for 8 bit PseudoColor visuals in X11
Bob Pendleton <bob@pendleton.com>
parents: 2967
diff changeset
   514
            SDL_SetError("XCreatePixmap() failed");
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   515
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   516
        }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   517
        
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   518
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   519
        if(renderdata->xrender_available) {
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   520
            data->xrender_available = SDL_TRUE;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   521
            unsigned long x11_fmt_mask; // Format mask
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   522
            XRenderPictFormat x11_templ_fmt; // Format template
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   523
            x11_fmt_mask =
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   524
                (PictFormatDepth | PictFormatRedMask | PictFormatGreenMask
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   525
                | PictFormatBlueMask);
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   526
            x11_templ_fmt.depth = (data->format).BitsPerPixel;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   527
            x11_temp_fmt.direct.redMask = (data->format).Rmask;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   528
            x11_temp_fmt.direct.greenMask = (data->format).Gmask;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   529
            x11_temp_fmt.direct.blueMask = (data->format).Bmask;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   530
            x11_temp_fmt.direct.alphaMask = (data->format).Amask;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   531
            /* Return one matching XRenderPictFormat */
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   532
            data->pict_fmt =
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   533
                XRenderFindFormat(renderdata->display, x11_fmt_mask, &x11_templ_fmt, 1);
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   534
            if(!data->pict_fmt) {
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   535
                data->xrender_available = SDL_FALSE;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   536
            }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   537
            data->picture_attr_valuemask = CPGraphicsExposure;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   538
            (data->picture_attr).graphics_exposures = False;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   539
            data->picture =
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   540
                XCreatePicture(renderdata->display, data->pixmap, data->picture_fmt,
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   541
                               data->picture_attr_valuemask, &(data->picture_attr));
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   542
            if(!data->picture) {
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   543
                data->xrender_available = SDL_FALSE;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   544
            }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   545
        }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   546
        /* We thought we could render the texture with Xrender but this was
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   547
           not possible for some reason. Now we must ensure that texture  
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   548
           format and window format match to avoid a BadMatch error.
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   549
        */
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   550
        if(data->xrender_available == SDL_FALSE) {
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   551
            if (texture->format != display->current_mode.format) {
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   552
                SDL_SetError("Texture format doesn't match window format");
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   553
                return -1;
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   554
            }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   555
        }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   556
#endif
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   557
        data->image =
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   558
            XCreateImage(renderdata->display, renderdata->visual,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   559
                         renderdata->depth, ZPixmap, 0, NULL, texture->w,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   560
                         texture->h, SDL_BYTESPERPIXEL(data->format) * 8,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   561
                         data->pitch);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   562
        if (!data->image) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   563
            X11_DestroyTexture(renderer, texture);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
            SDL_SetError("XCreateImage() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
X11_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
                       void **pixels, int *pitch)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
        return SDL_SW_QueryYUVTexturePixels(data->yuv, pixels, pitch);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   581
        *pixels = data->pixels;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   582
        *pitch = data->pitch;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   585
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   586
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   587
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
X11_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   590
    switch (texture->blendMode) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   591
    case SDL_BLENDMODE_NONE:
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   593
    default:
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   594
        SDL_Unsupported();
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   595
        texture->blendMode = SDL_BLENDMODE_NONE;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
X11_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
{
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   603
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   604
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
    switch (texture->scaleMode) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   606
    case SDL_TEXTURESCALEMODE_NONE:
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
        return 0;
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   608
    case SDL_TEXTURESCALEMODE_FAST:
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   609
        /* We can sort of fake it for streaming textures */
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   610
        if (data->yuv || texture->access == SDL_TEXTUREACCESS_STREAMING) {
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   611
            return 0;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   612
        }
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   613
        /* Fall through to unsupported case */
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   614
    default:
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   615
        SDL_Unsupported();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   616
        texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   617
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   619
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   620
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   621
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   622
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   623
X11_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   624
                  const SDL_Rect * rect, const void *pixels, int pitch)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   625
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   626
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   627
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   628
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   629
        if (SDL_SW_UpdateYUVTexture(data->yuv, rect, pixels, pitch) < 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   630
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   631
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   632
        UpdateYUVTextureData(texture);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   634
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   635
        X11_RenderData *renderdata = (X11_RenderData *) renderer->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   636
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   637
        if (data->pixels) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   638
            Uint8 *src, *dst;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   639
            int row;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   640
            size_t length;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   641
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   642
            src = (Uint8 *) pixels;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   643
            dst =
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   644
                (Uint8 *) data->pixels + rect->y * data->pitch +
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   645
                rect->x * SDL_BYTESPERPIXEL(texture->format);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   646
            length = rect->w * SDL_BYTESPERPIXEL(texture->format);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   647
            for (row = 0; row < rect->h; ++row) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   648
                SDL_memcpy(dst, src, length);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   649
                src += pitch;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   650
                dst += data->pitch;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   651
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
        } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   653
            data->image->width = rect->w;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   654
            data->image->height = rect->h;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   655
            data->image->data = (char *) pixels;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   656
            data->image->bytes_per_line = pitch;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   657
            XPutImage(renderdata->display, data->pixmap, renderdata->gc,
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   658
                      data->image, 0, 0, rect->x, rect->y, rect->w, rect->h);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   659
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   660
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   662
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   663
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   664
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   665
X11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   666
                const SDL_Rect * rect, int markDirty, void **pixels,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   667
                int *pitch)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   668
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   672
        return SDL_SW_LockYUVTexture(data->yuv, rect, markDirty, pixels,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   673
                                     pitch);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   674
    } else if (data->pixels) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   675
        *pixels =
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   676
            (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   677
                      rect->x * SDL_BYTESPERPIXEL(texture->format));
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   678
        *pitch = data->pitch;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   679
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   680
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   681
        SDL_SetError("No pixels available");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   682
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   683
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   684
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   685
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   686
static void
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   687
X11_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   688
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   689
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   690
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   691
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   692
        SDL_SW_UnlockYUVTexture(data->yuv);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   693
        UpdateYUVTextureData(texture);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   694
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   695
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   696
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   697
static int
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   698
X11_SetDrawBlendMode(SDL_Renderer * renderer)
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   699
{
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   700
    switch (renderer->blendMode) {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   701
    case SDL_BLENDMODE_NONE:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   702
        return 0;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   703
    default:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   704
        SDL_Unsupported();
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   705
        renderer->blendMode = SDL_BLENDMODE_NONE;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   706
        return -1;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   707
    }
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   708
}
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   709
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   710
static Uint32
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   711
renderdrawcolor(SDL_Renderer * renderer, int premult)
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   712
{
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   713
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   714
    Uint8 r = renderer->r;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   715
    Uint8 g = renderer->g;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   716
    Uint8 b = renderer->b;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   717
    Uint8 a = renderer->a;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   718
    if (premult)
2967
e4a469d6ddab Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
   719
        return SDL_MapRGBA(&data->format, ((int) r * (int) a) / 255,
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   720
                           ((int) g * (int) a) / 255,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   721
                           ((int) b * (int) a) / 255, 255);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   722
    else
2967
e4a469d6ddab Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
   723
        return SDL_MapRGBA(&data->format, r, g, b, a);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   724
}
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   725
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   726
static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   727
X11_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   728
                     int count)
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2894
diff changeset
   729
{
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2894
diff changeset
   730
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   731
    SDL_Window *window = renderer->window;
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2894
diff changeset
   732
    unsigned long foreground;
3538
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   733
    XPoint *xpoints, *xpoint;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   734
    int i, xcount;
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2894
diff changeset
   735
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2894
diff changeset
   736
    if (data->makedirty) {
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2894
diff changeset
   737
        SDL_Rect rect;
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2894
diff changeset
   738
3538
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   739
        /* Get the smallest rectangle that contains everything */
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   740
        rect.x = 0;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   741
        rect.y = 0;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   742
        rect.w = window->w;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   743
        rect.h = window->h;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   744
        if (!SDL_EnclosePoints(points, count, &rect, &rect)) {
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   745
            /* Nothing to draw */
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   746
            return 0;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   747
        }
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   748
        SDL_AddDirtyRect(&data->dirty, &rect);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   749
    }
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   750
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   751
    foreground = renderdrawcolor(renderer, 1);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   752
    XSetForeground(data->display, data->gc, foreground);
3538
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   753
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   754
    xpoint = xpoints = SDL_stack_alloc(XPoint, count);
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   755
    xcount = 0;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   756
    for (i = 0; i < count; ++i) {
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   757
        int x = points[i].x;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   758
        int y = points[i].y;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   759
        if (x < 0 || x >= window->w || y < 0 || y >= window->h) {
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   760
            continue;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   761
        }
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   762
        xpoint->x = (short)x;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   763
        xpoint->y = (short)y;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   764
        ++xpoint;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   765
        ++xcount;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   766
    }
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   767
    if (xcount > 0) {
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   768
        XDrawPoints(data->display, data->drawable, data->gc, xpoints, xcount,
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   769
                    CoordModeOrigin);
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   770
    }
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   771
    SDL_stack_free(xpoints);
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   772
2894
e80f347b6d29 Added missing return
Sam Lantinga <slouken@libsdl.org>
parents: 2888
diff changeset
   773
    return 0;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   774
}
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   775
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   776
static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   777
X11_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   778
                    int count)
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   779
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   780
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   781
    SDL_Window *window = renderer->window;
4458
c9584df65367 Removed unused variables
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   782
    SDL_Rect clip;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   783
    unsigned long foreground;
3543
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   784
    XPoint *xpoints, *xpoint;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   785
    int i, xcount;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   786
    int minx, miny;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   787
    int maxx, maxy;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   788
3538
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   789
    clip.x = 0;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   790
    clip.y = 0;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   791
    clip.w = window->w;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   792
    clip.h = window->h;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   793
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   794
    foreground = renderdrawcolor(renderer, 1);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   795
    XSetForeground(data->display, data->gc, foreground);
3543
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   796
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   797
    xpoint = xpoints = SDL_stack_alloc(XPoint, count);
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   798
    xcount = 0;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   799
    minx = INT_MAX;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   800
    miny = INT_MAX;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   801
    maxx = INT_MIN;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   802
    maxy = INT_MIN;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   803
    for (i = 0; i < count; ++i) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   804
        int x = points[i].x;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   805
        int y = points[i].y;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   806
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   807
        /* If the point is inside the window, add it to the list */
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   808
        if (x >= 0 && x < window->w && y >= 0 && y < window->h) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   809
            if (x < minx) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   810
                minx = x;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   811
            } else if (x > maxx) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   812
                maxx = x;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   813
            }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   814
            if (y < miny) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   815
                miny = y;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   816
            } else if (y > maxy) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   817
                maxy = y;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   818
            }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   819
            xpoint->x = (short)x;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   820
            xpoint->y = (short)y;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   821
            ++xpoint;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   822
            ++xcount;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   823
            continue;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   824
        }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   825
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   826
        /* We need to clip the line segments joined by this point */
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   827
        if (xcount > 0) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   828
            int x1 = xpoint[-1].x;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   829
            int y1 = xpoint[-1].y;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   830
            int x2 = x;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   831
            int y2 = y;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   832
            if (SDL_IntersectRectAndLine(&clip, &x1, &y1, &x2, &y2)) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   833
                if (x2 < minx) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   834
                    minx = x2;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   835
                } else if (x2 > maxx) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   836
                    maxx = x2;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   837
                }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   838
                if (y2 < miny) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   839
                    miny = y2;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   840
                } else if (y2 > maxy) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   841
                    maxy = y2;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   842
                }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   843
                xpoint->x = (short)x2;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   844
                xpoint->y = (short)y2;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   845
                ++xpoint;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   846
                ++xcount;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   847
            }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   848
            XDrawLines(data->display, data->drawable, data->gc,
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   849
                       xpoints, xcount, CoordModeOrigin);
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   850
            if (xpoints[0].x != x2 || xpoints[0].y != y2) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   851
                XDrawPoint(data->display, data->drawable, data->gc, x2, y2);
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   852
            }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   853
            if (data->makedirty) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   854
                SDL_Rect rect;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   855
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   856
                rect.x = minx;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   857
                rect.y = miny;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   858
                rect.w = (maxx - minx) + 1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   859
                rect.h = (maxy - miny) + 1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   860
                SDL_AddDirtyRect(&data->dirty, &rect);
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   861
            }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   862
            xpoint = xpoints;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   863
            xcount = 0;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   864
            minx = INT_MAX;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   865
            miny = INT_MAX;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   866
            maxx = INT_MIN;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   867
            maxy = INT_MIN;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   868
        }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   869
        if (i < (count-1)) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   870
            int x1 = x;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   871
            int y1 = y;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   872
            int x2 = points[i+1].x;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   873
            int y2 = points[i+1].y;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   874
            if (SDL_IntersectRectAndLine(&clip, &x1, &y1, &x2, &y2)) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   875
                if (x1 < minx) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   876
                    minx = x1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   877
                } else if (x1 > maxx) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   878
                    maxx = x1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   879
                }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   880
                if (y1 < miny) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   881
                    miny = y1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   882
                } else if (y1 > maxy) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   883
                    maxy = y1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   884
                }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   885
                xpoint->x = (short)x1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   886
                xpoint->y = (short)y1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   887
                ++xpoint;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   888
                ++xcount;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   889
            }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   890
        }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   891
    }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   892
    if (xcount > 1) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   893
        int x2 = xpoint[-1].x;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   894
        int y2 = xpoint[-1].y;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   895
        XDrawLines(data->display, data->drawable, data->gc, xpoints, xcount,
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   896
                   CoordModeOrigin);
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   897
        if (xpoints[0].x != x2 || xpoints[0].y != y2) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   898
            XDrawPoint(data->display, data->drawable, data->gc, x2, y2);
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   899
        }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   900
        if (data->makedirty) {
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   901
            SDL_Rect rect;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   902
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   903
            rect.x = minx;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   904
            rect.y = miny;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   905
            rect.w = (maxx - minx) + 1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   906
            rect.h = (maxy - miny) + 1;
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   907
            SDL_AddDirtyRect(&data->dirty, &rect);
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   908
        }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   909
    }
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   910
    SDL_stack_free(xpoints);
c2154674c0c1 Fixed X11 line implementation - clip lines that are going to go outside the window.
Sam Lantinga <slouken@libsdl.org>
parents: 3538
diff changeset
   911
3538
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   912
    return 0;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   913
}
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   914
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   915
static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   916
X11_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   917
{
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   918
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   919
    SDL_Window *window = renderer->window;
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   920
    SDL_Rect clip, rect;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   921
    unsigned long foreground;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   922
    XRectangle *xrects, *xrect;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   923
    int i, xcount;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   924
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   925
    clip.x = 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   926
    clip.y = 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   927
    clip.w = window->w;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   928
    clip.h = window->h;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   929
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   930
    foreground = renderdrawcolor(renderer, 1);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   931
    XSetForeground(data->display, data->gc, foreground);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   932
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   933
    xrect = xrects = SDL_stack_alloc(XRectangle, count);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   934
    xcount = 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   935
    for (i = 0; i < count; ++i) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   936
        if (!SDL_IntersectRect(rects[i], &clip, &rect)) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   937
            continue;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   938
        }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   939
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   940
        xrect->x = (short)rect.x;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   941
        xrect->y = (short)rect.y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   942
        xrect->width = (unsigned short)rect.w;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   943
        xrect->height = (unsigned short)rect.h;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   944
        ++xrect;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   945
        ++xcount;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   946
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   947
        if (data->makedirty) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   948
            SDL_AddDirtyRect(&data->dirty, &rect);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   949
        }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   950
    }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   951
    if (xcount > 0) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   952
        XDrawRectangles(data->display, data->drawable, data->gc,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   953
                        xrects, xcount);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   954
    }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   955
    SDL_stack_free(xpoints);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   956
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   957
    return 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   958
}
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   959
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   960
static int
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   961
X11_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
3538
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   962
{
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   963
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   964
    SDL_Window *window = renderer->window;
3538
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   965
    SDL_Rect clip, rect;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   966
    unsigned long foreground;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   967
    XRectangle *xrects, *xrect;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   968
    int i, xcount;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   969
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   970
    clip.x = 0;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   971
    clip.y = 0;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   972
    clip.w = window->w;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   973
    clip.h = window->h;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   974
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   975
    foreground = renderdrawcolor(renderer, 1);
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   976
    XSetForeground(data->display, data->gc, foreground);
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   977
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   978
    xrect = xrects = SDL_stack_alloc(XRectangle, count);
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   979
    xcount = 0;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   980
    for (i = 0; i < count; ++i) {
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   981
        if (!SDL_IntersectRect(rects[i], &clip, &rect)) {
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   982
            continue;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   983
        }
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   984
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   985
        xrect->x = (short)rect.x;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   986
        xrect->y = (short)rect.y;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   987
        xrect->width = (unsigned short)rect.w;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   988
        xrect->height = (unsigned short)rect.h;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   989
        ++xrect;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   990
        ++xcount;
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   991
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   992
        if (data->makedirty) {
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   993
            SDL_AddDirtyRect(&data->dirty, &rect);
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   994
        }
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   995
    }
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   996
    if (xcount > 0) {
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   997
        XFillRectangles(data->display, data->drawable, data->gc,
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   998
                        xrects, xcount);
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   999
    }
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
  1000
    SDL_stack_free(xpoints);
a1896642a47e X11 driver compiles again, lines are not yet implemented
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
  1001
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1002
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1003
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1004
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1005
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1006
X11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1007
               const SDL_Rect * srcrect, const SDL_Rect * dstrect)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1008
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1009
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1010
    X11_TextureData *texturedata = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1011
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1012
    if (data->makedirty) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1013
        SDL_AddDirtyRect(&data->dirty, dstrect);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1014
    }
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1015
    if (srcrect->w == dstrect->w && srcrect->h == dstrect->h) {
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1016
#ifndef NO_SHARED_MEMORY
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1017
        if (texturedata->shminfo.shmaddr) {
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1018
            XShmPutImage(data->display, data->drawable, data->gc,
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1019
                         texturedata->image, srcrect->x, srcrect->y,
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1020
                         dstrect->x, dstrect->y, srcrect->w, srcrect->h,
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1021
                         False);
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1022
        } else
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1023
#endif
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1024
        if (texturedata->pixels) {
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1025
            XPutImage(data->display, data->drawable, data->gc,
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1026
                      texturedata->image, srcrect->x, srcrect->y, dstrect->x,
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1027
                      dstrect->y, srcrect->w, srcrect->h);
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1028
        } else {
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1029
            XCopyArea(data->display, texturedata->pixmap, data->drawable,
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1030
                      data->gc, srcrect->x, srcrect->y, dstrect->w,
3066
8cbf68bdf81b Fixed destination of XCopyArea()
Sam Lantinga <slouken@libsdl.org>
parents: 3044
diff changeset
  1031
                      dstrect->h, dstrect->x, dstrect->y);
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1032
        }
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1033
    } else if (texturedata->yuv
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1034
               || texture->access == SDL_TEXTUREACCESS_STREAMING) {
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1035
        SDL_Surface src, dst;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1036
        SDL_PixelFormat fmt;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1037
        SDL_Rect rect;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1038
        XImage *image = texturedata->scaling_image;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1039
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1040
        if (!image) {
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1041
            void *pixels;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1042
            int pitch;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1043
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1044
            pitch = dstrect->w * SDL_BYTESPERPIXEL(texturedata->format);
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1045
            pixels = SDL_malloc(dstrect->h * pitch);
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1046
            if (!pixels) {
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1047
                SDL_OutOfMemory();
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1048
                return -1;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1049
            }
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1050
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
  1051
            image =
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
  1052
                XCreateImage(data->display, data->visual, data->depth,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
  1053
                             ZPixmap, 0, pixels, dstrect->w, dstrect->h,
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827