src/video/win32/SDL_gdirender.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 28 Aug 2006 03:17:39 +0000
changeset 1985 8055185ae4ed
parent 1975 ccef0d0c40c6
child 2222 926294b2bb4e
permissions -rw-r--r--
Added source color and alpha modulation support. Added perl script to generate optimized render copy functions.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 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_GDI
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#include "SDL_win32video.h"
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#include "../SDL_rect_c.h"
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#include "../SDL_yuv_sw_c.h"
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/* GDI renderer implementation */
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static SDL_Renderer *GDI_CreateRenderer(SDL_Window * window, Uint32 flags);
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static int GDI_DisplayModeChanged(SDL_Renderer * renderer);
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static int GDI_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int GDI_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 GDI_SetTexturePalette(SDL_Renderer * renderer,
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                                 SDL_Texture * texture,
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                                 const SDL_Color * colors, int firstcolor,
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                                 int ncolors);
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static int GDI_GetTexturePalette(SDL_Renderer * renderer,
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                                 SDL_Texture * texture, SDL_Color * colors,
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                                 int firstcolor, int ncolors);
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static int GDI_SetTextureAlphaMod(SDL_Renderer * renderer,
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                                  SDL_Texture * texture);
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static int GDI_SetTextureBlendMode(SDL_Renderer * renderer,
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                                   SDL_Texture * texture);
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static int GDI_SetTextureScaleMode(SDL_Renderer * renderer,
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                                   SDL_Texture * texture);
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static int GDI_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 GDI_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 GDI_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static void GDI_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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                             int numrects, const SDL_Rect * rects);
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static int GDI_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
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                          Uint8 a, const SDL_Rect * rect);
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static int GDI_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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                          const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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static void GDI_RenderPresent(SDL_Renderer * renderer);
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static void GDI_DestroyTexture(SDL_Renderer * renderer,
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                               SDL_Texture * texture);
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static void GDI_DestroyRenderer(SDL_Renderer * renderer);
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SDL_RenderDriver GDI_RenderDriver = {
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    GDI_CreateRenderer,
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    {
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     "gdi",
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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 | SDL_TEXTUREMODULATE_ALPHA),
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     (SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK |
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      SDL_TEXTUREBLENDMODE_BLEND),
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     (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST),
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     11,
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     {
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      SDL_PIXELFORMAT_INDEX8,
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      SDL_PIXELFORMAT_RGB555,
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      SDL_PIXELFORMAT_RGB565,
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      SDL_PIXELFORMAT_RGB888,
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      SDL_PIXELFORMAT_BGR888,
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      SDL_PIXELFORMAT_ARGB8888,
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      SDL_PIXELFORMAT_RGBA8888,
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      SDL_PIXELFORMAT_ABGR8888,
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      SDL_PIXELFORMAT_BGRA8888,
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      SDL_PIXELFORMAT_YUY2,
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      SDL_PIXELFORMAT_UYVY},
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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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    HWND hwnd;
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    HDC window_hdc;
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    HDC render_hdc;
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    HDC memory_hdc;
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    HDC current_hdc;
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    LPBITMAPINFO bmi;
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    HBITMAP hbm[3];
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    int current_hbm;
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    SDL_DirtyRectList dirty;
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    SDL_bool makedirty;
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} GDI_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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    HPALETTE hpal;
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    HBITMAP hbm;
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    void *pixels;
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    int pitch;
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} GDI_TextureData;
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static void
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UpdateYUVTextureData(SDL_Texture * texture)
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{
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    GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
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    SDL_Rect rect;
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   127
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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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   135
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   136
void
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GDI_AddRenderDriver(_THIS)
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{
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   139
    SDL_AddRenderDriver(0, &GDI_RenderDriver);
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}
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   141
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SDL_Renderer *
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   143
GDI_CreateRenderer(SDL_Window * window, Uint32 flags)
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{
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    SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
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    SDL_Renderer *renderer;
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   147
    GDI_RenderData *data;
1895
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   148
    int bmi_size;
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    HBITMAP hbm;
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   150
    int i, n;
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   151
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8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
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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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   156
    }
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   157
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    data = (GDI_RenderData *) SDL_calloc(1, sizeof(*data));
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   159
    if (!data) {
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        GDI_DestroyRenderer(renderer);
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        SDL_OutOfMemory();
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        return NULL;
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   163
    }
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   164
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    renderer->DisplayModeChanged = GDI_DisplayModeChanged;
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    renderer->CreateTexture = GDI_CreateTexture;
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   167
    renderer->QueryTexturePixels = GDI_QueryTexturePixels;
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   168
    renderer->SetTexturePalette = GDI_SetTexturePalette;
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   169
    renderer->GetTexturePalette = GDI_GetTexturePalette;
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8055185ae4ed Added source color and alpha modulation support.
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    renderer->SetTextureAlphaMod = GDI_SetTextureAlphaMod;
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   171
    renderer->SetTextureBlendMode = GDI_SetTextureBlendMode;
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    renderer->SetTextureScaleMode = GDI_SetTextureScaleMode;
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    renderer->UpdateTexture = GDI_UpdateTexture;
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   174
    renderer->LockTexture = GDI_LockTexture;
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    renderer->UnlockTexture = GDI_UnlockTexture;
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   176
    renderer->DirtyTexture = GDI_DirtyTexture;
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    renderer->RenderFill = GDI_RenderFill;
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    renderer->RenderCopy = GDI_RenderCopy;
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    renderer->RenderPresent = GDI_RenderPresent;
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    renderer->DestroyTexture = GDI_DestroyTexture;
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    renderer->DestroyRenderer = GDI_DestroyRenderer;
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    renderer->info = GDI_RenderDriver.info;
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    renderer->window = window->id;
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    renderer->driverdata = data;
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   185
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    renderer->info.flags = SDL_RENDERER_ACCELERATED;
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   187
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   188
    data->hwnd = windowdata->hwnd;
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   189
    data->window_hdc = windowdata->hdc;
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   190
    data->render_hdc = CreateCompatibleDC(data->window_hdc);
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   191
    data->memory_hdc = CreateCompatibleDC(data->window_hdc);
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   192
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    /* Fill in the compatible bitmap info */
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   194
    bmi_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
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   195
    data->bmi = (LPBITMAPINFO) SDL_calloc(1, bmi_size);
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   196
    if (!data->bmi) {
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   197
        GDI_DestroyRenderer(renderer);
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        SDL_OutOfMemory();
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   199
        return NULL;
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   200
    }
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   201
    data->bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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   202
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   203
    hbm = CreateCompatibleBitmap(data->window_hdc, 1, 1);
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   204
    GetDIBits(data->window_hdc, hbm, 0, 1, NULL, data->bmi, DIB_RGB_COLORS);
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   205
    GetDIBits(data->window_hdc, hbm, 0, 1, NULL, data->bmi, DIB_RGB_COLORS);
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   206
    DeleteObject(hbm);
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   207
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   208
    if (flags & SDL_RENDERER_SINGLEBUFFER) {
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
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   209
        renderer->info.flags |=
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            (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY);
1897
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   211
        n = 0;
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   212
    } else if (flags & SDL_RENDERER_PRESENTFLIP2) {
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   213
        renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
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   214
        n = 2;
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   215
    } else if (flags & SDL_RENDERER_PRESENTFLIP3) {
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   216
        renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
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        n = 3;
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   218
    } else {
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   219
        renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
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   220
        n = 1;
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   221
    }
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   222
    for (i = 0; i < n; ++i) {
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   223
        data->hbm[i] =
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   224
            CreateCompatibleBitmap(data->window_hdc, window->w, window->h);
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diff changeset
   225
        if (!data->hbm[i]) {
1913
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   226
            GDI_DestroyRenderer(renderer);
1897
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   227
            WIN_SetError("CreateCompatibleBitmap()");
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   228
            return NULL;
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diff changeset
   229
        }
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   230
    }
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diff changeset
   231
    if (n > 0) {
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diff changeset
   232
        SelectObject(data->render_hdc, data->hbm[0]);
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   233
        data->current_hdc = data->render_hdc;
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diff changeset
   234
        data->makedirty = SDL_TRUE;
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diff changeset
   235
    } else {
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diff changeset
   236
        data->current_hdc = data->window_hdc;
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   237
        data->makedirty = SDL_FALSE;
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diff changeset
   238
    }
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diff changeset
   239
    data->current_hbm = 0;
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diff changeset
   240
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   241
    return renderer;
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diff changeset
   242
}
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parents:
diff changeset
   243
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   244
static int
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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   245
GDI_DisplayModeChanged(SDL_Renderer * renderer)
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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diff changeset
   246
{
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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diff changeset
   247
    GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   248
    SDL_Window *window = SDL_GetWindowFromID(renderer->window);
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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diff changeset
   249
    int i, n;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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diff changeset
   250
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   251
    if (renderer->info.flags & SDL_RENDERER_SINGLEBUFFER) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   252
        n = 0;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   253
    } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   254
        n = 2;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   255
    } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   256
        n = 3;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   257
    } else {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   258
        n = 1;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   259
    }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   260
    for (i = 0; i < n; ++i) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   261
        if (data->hbm[i]) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   262
            DeleteObject(data->hbm[i]);
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   263
            data->hbm[i] = NULL;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   264
        }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   265
    }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   266
    for (i = 0; i < n; ++i) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   267
        data->hbm[i] =
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   268
            CreateCompatibleBitmap(data->window_hdc, window->w, window->h);
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   269
        if (!data->hbm[i]) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   270
            WIN_SetError("CreateCompatibleBitmap()");
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   271
            return -1;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   272
        }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   273
    }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   274
    if (n > 0) {
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   275
        SelectObject(data->render_hdc, data->hbm[0]);
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   276
    }
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   277
    return 0;
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   278
}
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   279
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
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parents: 1965
diff changeset
   280
static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   281
GDI_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   282
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   283
    GDI_RenderData *renderdata = (GDI_RenderData *) renderer->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   284
    SDL_Window *window = SDL_GetWindowFromID(renderer->window);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   285
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   286
    GDI_TextureData *data;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   287
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1918
diff changeset
   288
    data = (GDI_TextureData *) SDL_calloc(1, sizeof(*data));
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   289
    if (!data) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   290
        SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   291
        return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   292
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   293
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   294
    texture->driverdata = data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   295
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   296
    if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   297
        data->yuv = SDL_SW_CreateYUVTexture(texture);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   298
        if (!data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   299
            return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   300
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   301
        data->format = display->current_mode.format;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   302
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   303
        data->format = texture->format;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   304
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   305
    data->pitch = (texture->w * SDL_BYTESPERPIXEL(data->format));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   306
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   307
    if (data->yuv || texture->access == SDL_TEXTUREACCESS_LOCAL
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   308
        || texture->format != display->current_mode.format) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   309
        int bmi_size;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   310
        LPBITMAPINFO bmi;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   311
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   312
        bmi_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1918
diff changeset
   313
        bmi = (LPBITMAPINFO) SDL_calloc(1, bmi_size);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   314
        if (!bmi) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   315
            SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   316
            return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   317
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   318
        bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   319
        bmi->bmiHeader.biWidth = texture->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   320
        bmi->bmiHeader.biHeight = -texture->h;  /* topdown bitmap */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   321
        bmi->bmiHeader.biPlanes = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   322
        bmi->bmiHeader.biSizeImage = texture->h * data->pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   323
        bmi->bmiHeader.biXPelsPerMeter = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   324
        bmi->bmiHeader.biYPelsPerMeter = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   325
        bmi->bmiHeader.biClrUsed = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   326
        bmi->bmiHeader.biClrImportant = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   327
        bmi->bmiHeader.biBitCount = SDL_BYTESPERPIXEL(data->format) * 8;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   328
        if (SDL_ISPIXELFORMAT_INDEXED(data->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   329
            int i, ncolors;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   330
            LOGPALETTE *palette;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   331
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   332
            bmi->bmiHeader.biCompression = BI_RGB;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   333
            ncolors = (1 << SDL_BITSPERPIXEL(data->format));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   334
            palette =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   335
                (LOGPALETTE *) SDL_malloc(sizeof(*palette) +
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   336
                                          ncolors * sizeof(PALETTEENTRY));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   337
            if (!palette) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   338
                SDL_free(bmi);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   339
                SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   340
                return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   341
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   342
            palette->palVersion = 0x300;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   343
            palette->palNumEntries = ncolors;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   344
            for (i = 0; i < ncolors; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   345
                palette->palPalEntry[i].peRed = 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   346
                palette->palPalEntry[i].peGreen = 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   347
                palette->palPalEntry[i].peBlue = 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   348
                palette->palPalEntry[i].peFlags = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   349
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   350
            data->hpal = CreatePalette(palette);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   351
            SDL_free(palette);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   352
        } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   353
            int bpp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   354
            Uint32 Rmask, Gmask, Bmask, Amask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   355
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   356
            bmi->bmiHeader.biCompression = BI_BITFIELDS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   357
            SDL_PixelFormatEnumToMasks(data->format, &bpp, &Rmask, &Gmask,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   358
                                       &Bmask, &Amask);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   359
            ((Uint32 *) bmi->bmiColors)[0] = Rmask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   360
            ((Uint32 *) bmi->bmiColors)[1] = Gmask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   361
            ((Uint32 *) bmi->bmiColors)[2] = Bmask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   362
            data->hpal = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   363
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   364
        data->hbm =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   365
            CreateDIBSection(renderdata->memory_hdc, bmi, DIB_RGB_COLORS,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   366
                             &data->pixels, NULL, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   367
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   368
        data->hbm =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   369
            CreateCompatibleBitmap(renderdata->window_hdc, texture->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   370
                                   texture->h);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   371
        data->pixels = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   372
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   373
    if (!data->hbm) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   374
        WIN_SetError("Couldn't create bitmap");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   375
        return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   376
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   377
    return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   378
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   381
GDI_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   382
                       void **pixels, int *pitch)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   383
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   384
    GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   385
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   386
    if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   387
        return SDL_SW_QueryYUVTexturePixels(data->yuv, pixels, pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   388
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   389
        *pixels = data->pixels;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   390
        *pitch = data->pitch;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   391
        return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   392
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   393
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   395
static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   396
GDI_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   397
                      const SDL_Color * colors, int firstcolor, int ncolors)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   399
    GDI_RenderData *renderdata = (GDI_RenderData *) renderer->driverdata;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   400
    GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
    if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
        SDL_SetError("YUV textures don't have a palette");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
        return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
        PALETTEENTRY entries[256];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
        int i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
        for (i = 0; i < ncolors; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
            entries[i].peRed = colors[i].r;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
            entries[i].peGreen = colors[i].g;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
            entries[i].peBlue = colors[i].b;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
            entries[i].peFlags = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
        if (!SetPaletteEntries(data->hpal, firstcolor, ncolors, entries)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
            WIN_SetError("SetPaletteEntries()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   417
            return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   418
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   419
        return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   420
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   421
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   423
static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   424
GDI_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   425
                      SDL_Color * colors, int firstcolor, int ncolors)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   426
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   427
    GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
    if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
        SDL_SetError("YUV textures don't have a palette");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
        return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   432
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
        PALETTEENTRY entries[256];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   434
        int i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   435
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
        if (!GetPaletteEntries(data->hpal, firstcolor, ncolors, entries)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   437
            WIN_SetError("GetPaletteEntries()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   438
            return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   439
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   440
        for (i = 0; i < ncolors; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   441
            colors[i].r = entries[i].peRed;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
            colors[i].g = entries[i].peGreen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
            colors[i].b = entries[i].peBlue;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
        return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
static int
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   450
GDI_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   451
{
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   452
    return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   453
}
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   454
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   455
static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   456
GDI_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   457
{
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   458
    switch (texture->blendMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   459
    case SDL_TEXTUREBLENDMODE_NONE:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   460
    case SDL_TEXTUREBLENDMODE_MASK:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   461
    case SDL_TEXTUREBLENDMODE_BLEND:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   462
        return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   463
    default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   464
        SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   465
        texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   466
        return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   467
    }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   468
}
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   469
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   470
static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   471
GDI_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   472
{
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   473
    switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   474
    case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   475
    case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   476
        return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   477
    case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   478
    case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   479
        SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   480
        texture->scaleMode = SDL_TEXTURESCALEMODE_FAST;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   481
        return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   482
    default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   483
        SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   484
        texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   485
        return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   486
    }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   487
    return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   488
}
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   489
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   490
static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   491
GDI_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   492
                  const SDL_Rect * rect, const void *pixels, int pitch)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   494
    GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   496
    if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
        if (SDL_SW_UpdateYUVTexture(data->yuv, rect, pixels, pitch) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
            return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
        UpdateYUVTextureData(texture);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
        return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
    } else {
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   503
        GDI_RenderData *renderdata = (GDI_RenderData *) renderer->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
        if (data->pixels) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
            Uint8 *src, *dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
            int row;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   508
            size_t length;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
            src = (Uint8 *) pixels;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   511
            dst =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
                (Uint8 *) data->pixels + rect->y * data->pitch +
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
                rect->x * SDL_BYTESPERPIXEL(texture->format);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
            length = rect->w * SDL_BYTESPERPIXEL(texture->format);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   515
            for (row = 0; row < rect->h; ++row) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   516
                SDL_memcpy(dst, src, length);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   517
                src += pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
                dst += data->pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   519
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   520
        } else if (rect->w == texture->w && pitch == data->pitch) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   521
            if (!SetDIBits
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   522
                (renderdata->window_hdc, data->hbm, rect->y, rect->h, pixels,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   523
                 renderdata->bmi, DIB_RGB_COLORS)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   524
                WIN_SetError("SetDIBits()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   525
                return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   526
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   527
        } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   528
            SDL_SetError
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   529
                ("FIXME: Need to allocate temporary memory and do GetDIBits() followed by SetDIBits(), since we can only set blocks of scanlines at a time");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
            return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   532
        return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   533
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   534
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   536
static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   537
GDI_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   538
                const SDL_Rect * rect, int markDirty, void **pixels,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   539
                int *pitch)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   541
    GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
    if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
        return SDL_SW_LockYUVTexture(data->yuv, rect, markDirty, pixels,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
                                     pitch);
1898
f89e49e51e89 Playing around, trying to find a fast path with GDI
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
   546
    } else if (data->pixels) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
        GdiFlush();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
        *pixels =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
            (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
                      rect->x * SDL_BYTESPERPIXEL(texture->format));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
        *pitch = data->pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   552
        return 0;
1898
f89e49e51e89 Playing around, trying to find a fast path with GDI
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
   553
    } else {
f89e49e51e89 Playing around, trying to find a fast path with GDI
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
   554
        SDL_SetError("No pixels available");
f89e49e51e89 Playing around, trying to find a fast path with GDI
Sam Lantinga <slouken@libsdl.org>
parents: 1897
diff changeset
   555
        return -1;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   556
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   557
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   558
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   559
static void
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   560
GDI_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   561
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   562
    GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
    if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
        SDL_SW_UnlockYUVTexture(data->yuv);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
        UpdateYUVTextureData(texture);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
static void
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   571
GDI_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   572
                 const SDL_Rect * rects)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
{
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
static int
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   577
GDI_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   578
               const SDL_Rect * rect)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   580
    GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   581
    RECT rc;
1899
6a11e61bf805 debug cleanup
Sam Lantinga <slouken@libsdl.org>
parents: 1898
diff changeset
   582
    HBRUSH brush;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
    int status;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   585
    if (data->makedirty) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   586
        SDL_AddDirtyRect(&data->dirty, rect);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   587
    }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   588
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589
    rc.left = rect->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   590
    rc.top = rect->y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
    rc.right = rect->x + rect->w + 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
    rc.bottom = rect->y + rect->h + 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   593
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   594
    /* Should we cache the brushes? .. it looks like GDI does for us. :) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
    brush = CreateSolidBrush(RGB(r, g, b));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
    SelectObject(data->current_hdc, brush);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
    status = FillRect(data->current_hdc, &rc, brush);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
    DeleteObject(brush);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
    if (!status) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
        WIN_SetError("FillRect()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
        return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   604
    return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   606
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
static int
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   608
GDI_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   609
               const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   611
    GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   612
    GDI_TextureData *texturedata = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   613
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   614
    if (data->makedirty) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   615
        SDL_AddDirtyRect(&data->dirty, dstrect);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   616
    }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   617
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
    SelectObject(data->memory_hdc, texturedata->hbm);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   619
    if (texturedata->hpal) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   620
        SelectPalette(data->memory_hdc, texturedata->hpal, TRUE);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   621
        RealizePalette(data->memory_hdc);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   622
    }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   623
    if (texture->
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   624
        blendMode & (SDL_TEXTUREBLENDMODE_MASK | SDL_TEXTUREBLENDMODE_BLEND))
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   625
    {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   626
        BLENDFUNCTION blendFunc = {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   627
            AC_SRC_OVER,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   628
            0,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
   629
            texture->a,
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   630
            AC_SRC_ALPHA
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   631
        };
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   632
        /* FIXME: GDI uses premultiplied alpha! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
        if (!AlphaBlend
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   634
            (data->current_hdc, dstrect->x, dstrect->y, dstrect->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   635
             dstrect->h, data->memory_hdc, srcrect->x, srcrect->y, srcrect->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   636
             srcrect->h, blendFunc)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   637
            WIN_SetError("AlphaBlend()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   638
            return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   639
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   640
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   641
        if (srcrect->w == dstrect->w && srcrect->h == dstrect->h) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   642
            if (!BitBlt
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   643
                (data->current_hdc, dstrect->x, dstrect->y, dstrect->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   644
                 srcrect->h, data->memory_hdc, srcrect->x, srcrect->y,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   645
                 SRCCOPY)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   646
                WIN_SetError("BitBlt()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   647
                return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   648
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   649
        } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   650
            if (!StretchBlt
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   651
                (data->current_hdc, dstrect->x, dstrect->y, dstrect->w,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
                 dstrect->h, data->memory_hdc, srcrect->x, srcrect->y,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   653
                 srcrect->w, srcrect->h, SRCCOPY)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   654
                WIN_SetError("StretchBlt()");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   655
                return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   656
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   657
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   658
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   659
    return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   660
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   662
static void
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   663
GDI_RenderPresent(SDL_Renderer * renderer)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   664
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   665
    GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   666
    SDL_DirtyRect *dirty;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   667
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   668
    /* Send the data to the display */
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   669
    if (!(renderer->info.flags & SDL_RENDERER_SINGLEBUFFER)) {
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   670
        for (dirty = data->dirty.list; dirty; dirty = dirty->next) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   671
            const SDL_Rect *rect = &dirty->rect;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   672
            BitBlt(data->window_hdc, rect->x, rect->y, rect->w, rect->h,
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   673
                   data->render_hdc, rect->x, rect->y, SRCCOPY);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   674
        }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   675
        SDL_ClearDirtyRects(&data->dirty);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   676
    }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   677
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   678
    /* Update the flipping chain, if any */
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   679
    if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   680
        data->current_hbm = (data->current_hbm + 1) % 2;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   681
        SelectObject(data->render_hdc, data->hbm[data->current_hbm]);
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   682
    } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   683
        data->current_hbm = (data->current_hbm + 1) % 3;
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   684
        SelectObject(data->render_hdc, data->hbm[data->current_hbm]);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   685
    }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   686
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   687
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   688
static void
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   689
GDI_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   690
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   691
    GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   692
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   693
    if (!data) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   694
        return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   695
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   696
    if (data->yuv) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   697
        SDL_SW_DestroyYUVTexture(data->yuv);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   698
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   699
    if (data->hpal) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   700
        DeleteObject(data->hpal);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   701
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   702
    if (data->hbm) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   703
        DeleteObject(data->hbm);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   704
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   705
    SDL_free(data);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   706
    texture->driverdata = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   707
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   708
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   709
static void
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   710
GDI_DestroyRenderer(SDL_Renderer * renderer)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   711
{
1913
83420da906a5 Implemented Windows OpenGL support
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   712
    GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   713
    int i;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   714
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   715
    if (data) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   716
        DeleteDC(data->render_hdc);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   717
        DeleteDC(data->memory_hdc);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   718
        if (data->bmi) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   719
            SDL_free(data->bmi);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   720
        }
1897
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   721
        for (i = 0; i < SDL_arraysize(data->hbm); ++i) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   722
            if (data->hbm[i]) {
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   723
                DeleteObject(data->hbm[i]);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   724
            }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   725
        }
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
   726
        SDL_FreeDirtyRects(&data->dirty);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   727
        SDL_free(data);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   728
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   729
    SDL_free(renderer);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   730
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   731
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   732
#endif /* SDL_VIDEO_RENDER_GDI */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   733
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   734
/* vi: set ts=4 sw=4 expandtab: */