src/video/SDL_renderer_gl.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 23 Jul 2006 00:19:12 +0000
changeset 1928 861bc36f0ab3
parent 1927 aeb8263d377a
child 1952 420716272158
permissions -rw-r--r--
Fixed crash with multiple windows
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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_OPENGL
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#include "SDL_video.h"
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#include "SDL_opengl.h"
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#include "SDL_sysvideo.h"
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#include "SDL_pixels_c.h"
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#include "SDL_rect_c.h"
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#include "SDL_yuv_sw_c.h"
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/* OpenGL renderer implementation */
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static SDL_Renderer *GL_CreateRenderer(SDL_Window * window, Uint32 flags);
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static int GL_ActivateRenderer(SDL_Renderer * renderer);
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static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int GL_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 GL_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 GL_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 GL_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 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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                            int numrects, const SDL_Rect * rects);
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static int GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect,
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                         Uint32 color);
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static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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                         const SDL_Rect * srcrect, const SDL_Rect * dstrect,
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                         int blendMode, int scaleMode);
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static void GL_RenderPresent(SDL_Renderer * renderer);
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static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static void GL_DestroyRenderer(SDL_Renderer * renderer);
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SDL_RenderDriver GL_RenderDriver = {
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    GL_CreateRenderer,
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    {
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     "opengl",
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     (SDL_Renderer_PresentDiscard | SDL_Renderer_PresentVSync |
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      SDL_Renderer_Accelerated),
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     (SDL_TextureBlendMode_None | SDL_TextureBlendMode_Mask |
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      SDL_TextureBlendMode_Blend | SDL_TextureBlendMode_Add |
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      SDL_TextureBlendMode_Mod),
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     (SDL_TextureScaleMode_None | SDL_TextureScaleMode_Fast |
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      SDL_TextureScaleMode_Slow),
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     16,
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     {
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      SDL_PixelFormat_Index1LSB,
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      SDL_PixelFormat_Index1MSB,
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      SDL_PixelFormat_Index8,
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      SDL_PixelFormat_RGB332,
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      SDL_PixelFormat_RGB444,
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      SDL_PixelFormat_RGB555,
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      SDL_PixelFormat_ARGB4444,
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      SDL_PixelFormat_ARGB1555,
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      SDL_PixelFormat_RGB565,
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      SDL_PixelFormat_RGB24,
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      SDL_PixelFormat_BGR24,
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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_ABGR8888,
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      SDL_PixelFormat_ARGB2101010},
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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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    SDL_GLContext context;
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    SDL_bool GL_ARB_texture_rectangle_supported;
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    int blendMode;
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    int scaleMode;
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    /* OpenGL functions */
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#define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
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#include "SDL_glfuncs.h"
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#undef SDL_PROC
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} GL_RenderData;
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typedef struct
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{
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    GLuint texture;
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    GLenum type;
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    GLfloat texw;
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    GLfloat texh;
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    GLenum format;
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    GLenum formattype;
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    void *pixels;
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    int pitch;
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    SDL_DirtyRectList dirty;
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} GL_TextureData;
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static void
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GL_SetError(const char *prefix, GLenum result)
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{
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    const char *error;
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    switch (result) {
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    case GL_NO_ERROR:
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        error = "GL_NO_ERROR";
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   132
        break;
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   133
    case GL_INVALID_ENUM:
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   134
        error = "GL_INVALID_ENUM";
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   135
        break;
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   136
    case GL_INVALID_VALUE:
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   137
        error = "GL_INVALID_VALUE";
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   138
        break;
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   139
    case GL_INVALID_OPERATION:
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   140
        error = "GL_INVALID_OPERATION";
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   141
        break;
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   142
    case GL_STACK_OVERFLOW:
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   143
        error = "GL_STACK_OVERFLOW";
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   144
        break;
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   145
    case GL_STACK_UNDERFLOW:
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   146
        error = "GL_STACK_UNDERFLOW";
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   147
        break;
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   148
    case GL_OUT_OF_MEMORY:
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   149
        error = "GL_OUT_OF_MEMORY";
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   150
        break;
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   151
    case GL_TABLE_TOO_LARGE:
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   152
        error = "GL_TABLE_TOO_LARGE";
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   153
        break;
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   154
    default:
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   155
        error = "UNKNOWN";
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   156
        break;
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   157
    }
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   158
    SDL_SetError("%s: %s", prefix, error);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
   159
}
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   160
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aeb8263d377a OpenGL renderer is feature complete!
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   161
static int
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   162
GL_LoadFunctions(GL_RenderData * data)
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   163
{
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   164
#if defined(__QNXNTO__) && (_NTO_VERSION < 630)
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   165
#define __SDL_NOGETPROCADDR__
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   166
#elif defined(__MINT__)
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   167
#define __SDL_NOGETPROCADDR__
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   168
#endif
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   169
#ifdef __SDL_NOGETPROCADDR__
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   170
#define SDL_PROC(ret,func,params) data->func=func;
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   171
#else
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   172
#define SDL_PROC(ret,func,params) \
aeb8263d377a OpenGL renderer is feature complete!
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   173
    do { \
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   174
        data->func = SDL_GL_GetProcAddress(#func); \
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   175
        if ( ! data->func ) { \
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   176
            SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \
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diff changeset
   177
            return -1; \
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diff changeset
   178
        } \
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diff changeset
   179
    } while ( 0 );
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   180
#endif /* __SDL_NOGETPROCADDR__ */
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diff changeset
   181
aeb8263d377a OpenGL renderer is feature complete!
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   182
#include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete!
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   183
#undef SDL_PROC
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diff changeset
   184
    return 0;
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
   185
}
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   186
1918
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   187
void
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   188
GL_AddRenderDriver(_THIS)
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diff changeset
   189
{
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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diff changeset
   190
    if (_this->GL_CreateContext) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   191
        SDL_AddRenderDriver(0, &GL_RenderDriver);
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   192
    }
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   193
}
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   194
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   195
SDL_Renderer *
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   196
GL_CreateRenderer(SDL_Window * window, Uint32 flags)
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   197
{
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   198
    SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   199
    GL_RenderData *data;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   200
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   201
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
1928
861bc36f0ab3 Fixed crash with multiple windows
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diff changeset
   202
        if (SDL_RecreateWindow(window, window->flags | SDL_WINDOW_OPENGL) < 0) {
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
   203
            return NULL;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
   204
        }
1918
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   205
    }
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   206
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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diff changeset
   207
    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
1918
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   208
    if (!renderer) {
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   209
        SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   210
        return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   211
    }
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   212
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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diff changeset
   213
    data = (GL_RenderData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   214
    if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   215
        GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   216
        SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   217
        return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   218
    }
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   219
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
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diff changeset
   220
    renderer->ActivateRenderer = GL_ActivateRenderer;
1918
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   221
    renderer->CreateTexture = GL_CreateTexture;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   222
    renderer->SetTexturePalette = GL_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   223
    renderer->GetTexturePalette = GL_GetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   224
    renderer->UpdateTexture = GL_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   225
    renderer->LockTexture = GL_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   226
    renderer->UnlockTexture = GL_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   227
    renderer->DirtyTexture = GL_DirtyTexture;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   228
    renderer->RenderFill = GL_RenderFill;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   229
    renderer->RenderCopy = GL_RenderCopy;
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   230
    renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   231
    renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   232
    renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   233
    renderer->info = GL_RenderDriver.info;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   234
    renderer->window = window->id;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   235
    renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   236
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   237
    renderer->info.flags =
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   238
        (SDL_Renderer_PresentDiscard | SDL_Renderer_Accelerated);
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   239
1927
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
   240
    if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete!
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parents: 1926
diff changeset
   241
        GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
   242
        return NULL;
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
   243
    }
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
   244
1918
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   245
    data->context = SDL_GL_CreateContext(window->id);
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   246
    if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   247
        GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   248
        return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   249
    }
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   250
    if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   251
        GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   252
        return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   253
    }
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   254
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   255
    if (flags & SDL_Renderer_PresentVSync) {
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   256
        SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   257
    } else {
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   258
        SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   259
    }
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   260
    if (SDL_GL_GetSwapInterval() > 0) {
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   261
        renderer->info.flags |= SDL_Renderer_PresentVSync;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   262
    }
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   263
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   264
    data->glGetIntegerv(GL_MAX_TEXTURE_SIZE,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   265
                        &renderer->info.max_texture_width);
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diff changeset
   266
    data->glGetIntegerv(GL_MAX_TEXTURE_SIZE,
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diff changeset
   267
                        &renderer->info.max_texture_height);
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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diff changeset
   268
1926
307355678142 Added SDL_GL_ExtensionSupported()
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diff changeset
   269
    if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
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   270
        || SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
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diff changeset
   271
        data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
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diff changeset
   272
    }
1920
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   273
1918
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   274
    /* Set up parameters for rendering */
1927
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   275
    data->blendMode = -1;
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   276
    data->scaleMode = -1;
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   277
    data->glDisable(GL_DEPTH_TEST);
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   278
    data->glDisable(GL_CULL_FACE);
1926
307355678142 Added SDL_GL_ExtensionSupported()
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diff changeset
   279
    if (data->GL_ARB_texture_rectangle_supported) {
1927
aeb8263d377a OpenGL renderer is feature complete!
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   280
        data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926
307355678142 Added SDL_GL_ExtensionSupported()
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diff changeset
   281
    } else {
1927
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
   282
        data->glEnable(GL_TEXTURE_2D);
1926
307355678142 Added SDL_GL_ExtensionSupported()
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diff changeset
   283
    }
1927
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diff changeset
   284
    data->glMatrixMode(GL_PROJECTION);
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diff changeset
   285
    data->glLoadIdentity();
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diff changeset
   286
    data->glMatrixMode(GL_MODELVIEW);
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diff changeset
   287
    data->glLoadIdentity();
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diff changeset
   288
    data->glViewport(0, 0, window->w, window->h);
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diff changeset
   289
    data->glOrtho(0.0, (GLdouble) window->w, (GLdouble) window->h, 0.0, 0.0,
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diff changeset
   290
                  1.0);
1918
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   291
092bd3a019c5 Starting on the OpenGL renderer...
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   292
    return renderer;
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diff changeset
   293
}
092bd3a019c5 Starting on the OpenGL renderer...
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   294
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
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   295
static int
d4572b97b08f Switch OpenGL contexts when switching render contexts.
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diff changeset
   296
GL_ActivateRenderer(SDL_Renderer * renderer)
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diff changeset
   297
{
d4572b97b08f Switch OpenGL contexts when switching render contexts.
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diff changeset
   298
    GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
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diff changeset
   299
    SDL_Window *window = SDL_GetWindowFromID(renderer->window);
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   300
d4572b97b08f Switch OpenGL contexts when switching render contexts.
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diff changeset
   301
    return SDL_GL_MakeCurrent(window->id, data->context);
d4572b97b08f Switch OpenGL contexts when switching render contexts.
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diff changeset
   302
}
d4572b97b08f Switch OpenGL contexts when switching render contexts.
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diff changeset
   303
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   304
static __inline__ int
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diff changeset
   305
power_of_2(int input)
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diff changeset
   306
{
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   307
    int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   308
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   309
    while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   310
        value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   311
    }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   312
    return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   313
}
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   314
1918
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   315
static int
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
   316
GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   317
{
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   318
    GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   319
    SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   320
    GL_TextureData *data;
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: 1919
diff changeset
   321
    GLint internalFormat;
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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diff changeset
   322
    GLenum format, type;
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
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diff changeset
   323
    int texture_w, texture_h;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
   324
    GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
   325
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: 1919
diff changeset
   326
    switch (texture->format) {
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: 1919
diff changeset
   327
    case SDL_PixelFormat_Index1LSB:
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: 1919
diff changeset
   328
    case SDL_PixelFormat_Index1MSB:
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: 1919
diff changeset
   329
        internalFormat = GL_RGB;
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: 1919
diff changeset
   330
        format = GL_COLOR_INDEX;
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: 1919
diff changeset
   331
        type = GL_BITMAP;
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: 1919
diff changeset
   332
        break;
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: 1919
diff changeset
   333
    case SDL_PixelFormat_Index8:
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: 1919
diff changeset
   334
        internalFormat = GL_RGB;
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: 1919
diff changeset
   335
        format = GL_COLOR_INDEX;
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: 1919
diff changeset
   336
        type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
   337
        break;
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: 1919
diff changeset
   338
    case SDL_PixelFormat_RGB332:
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: 1919
diff changeset
   339
        internalFormat = GL_R3_G3_B2;
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: 1919
diff changeset
   340
        format = GL_RGB;
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: 1919
diff changeset
   341
        type = GL_UNSIGNED_BYTE_3_3_2;
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: 1919
diff changeset
   342
        break;
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: 1919
diff changeset
   343
    case SDL_PixelFormat_RGB444:
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: 1919
diff changeset
   344
        internalFormat = GL_RGB4;
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: 1919
diff changeset
   345
        format = GL_RGB;
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: 1919
diff changeset
   346
        type = GL_UNSIGNED_SHORT_4_4_4_4;
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: 1919
diff changeset
   347
        break;
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: 1919
diff changeset
   348
    case SDL_PixelFormat_RGB555:
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: 1919
diff changeset
   349
        internalFormat = GL_RGB5;
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: 1919
diff changeset
   350
        format = GL_RGB;
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: 1919
diff changeset
   351
        type = GL_UNSIGNED_SHORT_5_5_5_1;
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: 1919
diff changeset
   352
        break;
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: 1919
diff changeset
   353
    case SDL_PixelFormat_ARGB4444:
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: 1919
diff changeset
   354
        internalFormat = GL_RGBA4;
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: 1919
diff changeset
   355
        format = GL_BGRA;
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: 1919
diff changeset
   356
        type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
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: 1919
diff changeset
   357
        break;
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: 1919
diff changeset
   358
    case SDL_PixelFormat_ARGB1555:
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: 1919
diff changeset
   359
        internalFormat = GL_RGB5_A1;
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: 1919
diff changeset
   360
        format = GL_BGRA;
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: 1919
diff changeset
   361
        type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
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: 1919
diff changeset
   362
        break;
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: 1919
diff changeset
   363
    case SDL_PixelFormat_RGB565:
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: 1919
diff changeset
   364
        internalFormat = GL_RGB8;
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: 1919
diff changeset
   365
        format = GL_RGB;
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: 1919
diff changeset
   366
        type = GL_UNSIGNED_SHORT_5_6_5;
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: 1919
diff changeset
   367
        break;
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: 1919
diff changeset
   368
    case SDL_PixelFormat_RGB24:
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: 1919
diff changeset
   369
        internalFormat = GL_RGB8;
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: 1919
diff changeset
   370
        format = GL_RGB;
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: 1919
diff changeset
   371
        type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
   372
        break;
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: 1919
diff changeset
   373
    case SDL_PixelFormat_RGB888:
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: 1919
diff changeset
   374
        internalFormat = GL_RGB8;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   375
        format = GL_BGRA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   376
        type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
   377
        break;
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: 1919
diff changeset
   378
    case SDL_PixelFormat_BGR24:
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: 1919
diff changeset
   379
        internalFormat = GL_RGB8;
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: 1919
diff changeset
   380
        format = GL_BGR;
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: 1919
diff changeset
   381
        type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
   382
        break;
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: 1919
diff changeset
   383
    case SDL_PixelFormat_BGR888:
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: 1919
diff changeset
   384
        internalFormat = GL_RGB8;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   385
        format = GL_RGBA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   386
        type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
   387
        break;
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: 1919
diff changeset
   388
    case SDL_PixelFormat_ARGB8888:
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: 1919
diff changeset
   389
        internalFormat = GL_RGBA8;
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: 1919
diff changeset
   390
        format = GL_BGRA;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   391
        type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
   392
        break;
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: 1919
diff changeset
   393
    case SDL_PixelFormat_ABGR8888:
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: 1919
diff changeset
   394
        internalFormat = GL_RGBA8;
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: 1919
diff changeset
   395
        format = GL_RGBA;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   396
        type = GL_UNSIGNED_BYTE;
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: 1919
diff changeset
   397
        break;
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: 1919
diff changeset
   398
    case SDL_PixelFormat_ARGB2101010:
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: 1919
diff changeset
   399
        internalFormat = GL_RGB10_A2;
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: 1919
diff changeset
   400
        format = GL_BGRA;
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: 1919
diff changeset
   401
        type = GL_UNSIGNED_INT_2_10_10_10_REV;
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: 1919
diff changeset
   402
        break;
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: 1919
diff changeset
   403
    default:
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: 1919
diff changeset
   404
        SDL_SetError("Unsupported texture format");
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: 1919
diff changeset
   405
        return -1;
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: 1919
diff changeset
   406
    }
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: 1919
diff changeset
   407
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: 1919
diff changeset
   408
    data = (GL_TextureData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
    if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
        SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
        return -1;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
    }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
    texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   416
    renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   417
    renderdata->glGenTextures(1, &data->texture);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   418
    if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   419
        data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   420
        texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   421
        texture_h = texture->h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   422
        data->texw = (GLfloat) texture->w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   423
        data->texh = (GLfloat) texture->h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   424
    } else {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   425
        data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   426
        texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   427
        texture_h = power_of_2(texture->h);
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   428
        data->texw = (GLfloat) texture->w / texture_w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   429
        data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
   430
    }
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: 1919
diff changeset
   431
    data->format = format;
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: 1919
diff changeset
   432
    data->formattype = type;
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   433
    renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   434
    renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   435
                             texture_h, 0, format, type, NULL);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   436
    result = renderdata->glGetError();
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   437
    if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   438
        GL_SetError("glTexImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   439
        return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   440
    }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   441
    return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
                     const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
{
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
    GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
    GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   450
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   451
    return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   452
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   456
                     SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   457
{
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
    GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
    return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   463
static void
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   464
SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   465
                   int pitch)
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   466
{
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   467
    if (texture->format == SDL_PixelFormat_Index1LSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   468
        renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   469
    } else if (texture->format == SDL_PixelFormat_Index1MSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   470
        renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   471
    }
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   472
    renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   473
    renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   474
                              pitch / SDL_BYTESPERPIXEL(texture->format));
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   475
}
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   476
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
                 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
{
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   481
    GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
    GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   483
    GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   485
    renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   486
    SetupTextureUpdate(renderdata, texture, pitch);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   487
    renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   488
    renderdata->glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   489
                                rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   490
                                pixels);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   491
    result = renderdata->glGetError();
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   492
    if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   493
        GL_SetError("glTexSubImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   494
        return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
   495
    }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   496
    return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
               const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
               int *pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
{
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
    GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
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: 1919
diff changeset
   506
    if (!data->pixels) {
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: 1919
diff changeset
   507
        data->pitch = texture->w * SDL_BYTESPERPIXEL(texture->format);
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: 1919
diff changeset
   508
        data->pixels = SDL_malloc(texture->h * data->pitch);
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: 1919
diff changeset
   509
        if (!data->pixels) {
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: 1919
diff changeset
   510
            SDL_OutOfMemory();
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: 1919
diff changeset
   511
            return -1;
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: 1919
diff changeset
   512
        }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
    }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
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: 1919
diff changeset
   515
    if (markDirty) {
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: 1919
diff changeset
   516
        SDL_AddDirtyRect(&data->dirty, rect);
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: 1919
diff changeset
   517
    }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
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: 1919
diff changeset
   519
    *pixels =
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: 1919
diff changeset
   520
        (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
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: 1919
diff changeset
   521
                  rect->x * SDL_BYTESPERPIXEL(texture->format));
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: 1919
diff changeset
   522
    *pitch = data->pitch;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   523
    return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   524
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   525
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   526
static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   527
GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   528
{
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   529
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   532
GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   533
                const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   534
{
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
    GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   536
    int i;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   537
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   538
    for (i = 0; i < numrects; ++i) {
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: 1919
diff changeset
   539
        SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
    }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   541
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
{
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
    GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
    SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
    GLclampf r, g, b, a;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
    a = ((GLclampf) ((color >> 24) & 0xFF)) / 255.0f;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
    r = ((GLclampf) ((color >> 16) & 0xFF)) / 255.0f;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   552
    g = ((GLclampf) ((color >> 8) & 0xFF)) / 255.0f;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   553
    b = ((GLclampf) (color & 0xFF)) / 255.0f;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   554
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   555
    data->glClearColor(r, g, b, a);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   556
    data->glViewport(rect->x, window->h - rect->y, rect->w, rect->h);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   557
    data->glClear(GL_COLOR_BUFFER_BIT);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   558
    data->glViewport(0, 0, window->w, window->h);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   559
    return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   560
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   561
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   562
static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
              const SDL_Rect * srcrect, const SDL_Rect * dstrect,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
              int blendMode, int scaleMode)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
{
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
    GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
    GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
    int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
    GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
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: 1919
diff changeset
   572
    if (texturedata->dirty.count > 0) {
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: 1919
diff changeset
   573
        SDL_DirtyRect *dirty;
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: 1919
diff changeset
   574
        void *pixels;
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: 1919
diff changeset
   575
        int bpp = SDL_BYTESPERPIXEL(texture->format);
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: 1919
diff changeset
   576
        int pitch = texturedata->pitch;
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: 1919
diff changeset
   577
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   578
        SetupTextureUpdate(data, texture, pitch);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   579
        data->glBindTexture(texturedata->type, texturedata->texture);
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: 1919
diff changeset
   580
        for (dirty = texturedata->dirty.list; dirty; dirty = dirty->next) {
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: 1919
diff changeset
   581
            SDL_Rect *rect = &dirty->rect;
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: 1919
diff changeset
   582
            pixels =
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: 1919
diff changeset
   583
                (void *) ((Uint8 *) texturedata->pixels + rect->y * pitch +
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: 1919
diff changeset
   584
                          rect->x * bpp);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   585
            data->glTexSubImage2D(texturedata->type, 0, rect->x, rect->y,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   586
                                  rect->w, rect->h, texturedata->format,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   587
                                  texturedata->formattype, pixels);
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: 1919
diff changeset
   588
        }
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: 1919
diff changeset
   589
        SDL_ClearDirtyRects(&texturedata->dirty);
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: 1919
diff changeset
   590
    }
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: 1919
diff changeset
   591
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
    minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   593
    miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   594
    maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
    maxy = dstrect->y + dstrect->h;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
    minu = (GLfloat) srcrect->x / texture->w;
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: 1919
diff changeset
   598
    minu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
    maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
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: 1919
diff changeset
   600
    maxu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
    minv = (GLfloat) srcrect->y / texture->h;
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: 1919
diff changeset
   602
    minv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
    maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
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: 1919
diff changeset
   604
    maxv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   606
    data->glBindTexture(texturedata->type, texturedata->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   608
    if (blendMode != data->blendMode) {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   609
        switch (blendMode) {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   610
        case SDL_TextureBlendMode_None:
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   611
            data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   612
            data->glDisable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   613
            break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   614
        case SDL_TextureBlendMode_Mask:
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   615
        case SDL_TextureBlendMode_Blend:
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   616
            data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   617
            data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   618
            data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   619
            break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   620
        case SDL_TextureBlendMode_Add:
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   621
            data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   622
            data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   623
            data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   624
            break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   625
        case SDL_TextureBlendMode_Mod:
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   626
            data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   627
            data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   628
            data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   629
            break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   630
        }
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   631
        data->blendMode = blendMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   632
    }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   634
    if (scaleMode != data->scaleMode) {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   635
        switch (scaleMode) {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   636
        case SDL_TextureScaleMode_None:
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   637
        case SDL_TextureScaleMode_Fast:
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   638
            data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   639
                                  GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   640
            data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   641
                                  GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   642
            break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   643
        case SDL_TextureScaleMode_Slow:
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   644
        case SDL_TextureScaleMode_Best:
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   645
            data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   646
                                  GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   647
            data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   648
                                  GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   649
            break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   650
        }
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   651
        data->scaleMode = scaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
    }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   653
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   654
    data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   655
    data->glTexCoord2f(minu, minv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   656
    data->glVertex2i(minx, miny);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   657
    data->glTexCoord2f(maxu, minv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   658
    data->glVertex2i(maxx, miny);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   659
    data->glTexCoord2f(minu, maxv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   660
    data->glVertex2i(minx, maxy);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   661
    data->glTexCoord2f(maxu, maxv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   662
    data->glVertex2i(maxx, maxy);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   663
    data->glEnd();
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   664
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   665
    return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   666
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   667
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   668
static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
{
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
    SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   672
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   673
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   674
static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   675
GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   676
{
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   677
    GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   678
    GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   679
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   680
    if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   681
        return;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   682
    }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   683
    if (data->texture) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
   684
        renderdata->glDeleteTextures(1, &data->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   685
    }
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: 1919
diff changeset
   686
    if (data->pixels) {
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: 1919
diff changeset
   687
        SDL_free(data->pixels);
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: 1919
diff changeset
   688
    }
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: 1919
diff changeset
   689
    SDL_FreeDirtyRects(&data->dirty);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   690
    SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   691
    texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   692
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   693
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   694
void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   695
GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   696
{
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   697
    GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   698
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   699
    if (data) {
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: 1919
diff changeset
   700
        if (data->context) {
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: 1919
diff changeset
   701
            SDL_GL_MakeCurrent(0, NULL);
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: 1919
diff changeset
   702
            SDL_GL_DeleteContext(data->context);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   703
        }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   704
        SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   705
    }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   706
    SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   707
}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   708
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   709
#endif /* SDL_VIDEO_OPENGL */
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   710
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   711
/* vi: set ts=4 sw=4 expandtab: */