pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implements SDL_GL_BindTexture and SDL_GL_UnbindTexture (#1576)

Browse source
This commit is contained in:
Gabriel Jacobo 2012-09-03 11:16:12 -03:00
parent bd6eef53b6
commit bd7b381374
6 changed files with 163 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

48
src/render/opengl/SDL_render_gl.c
View file

@ -73,7 +73,8 @@ static int GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
static void GL_RenderPresent(SDL_Renderer * renderer);
static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void GL_DestroyRenderer(SDL_Renderer * renderer);
static int GL_BindTexture (SDL_Renderer * renderer, SDL_Texture *texture, float *texw, float *texh);
static int GL_UnbindTexture (SDL_Renderer * renderer, SDL_Texture *texture);
SDL_RenderDriver GL_RenderDriver = {
GL_CreateRenderer,
@ -322,6 +323,8 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->RenderPresent = GL_RenderPresent;
renderer->DestroyTexture = GL_DestroyTexture;
renderer->DestroyRenderer = GL_DestroyRenderer;
renderer->GL_BindTexture = GL_BindTexture;
renderer->GL_UnbindTexture = GL_UnbindTexture;
renderer->info = GL_RenderDriver.info;
renderer->info.flags = SDL_RENDERER_ACCELERATED;
renderer->driverdata = data;
@ -1228,6 +1231,49 @@ GL_DestroyRenderer(SDL_Renderer * renderer)
SDL_free(renderer);
}
static int GL_BindTexture (SDL_Renderer * renderer, SDL_Texture *texture, float *texw, float *texh) {
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
GL_ActivateRenderer(renderer);
data->glEnable(texturedata->type);
if (texturedata->yuv) {
data->glActiveTextureARB(GL_TEXTURE2_ARB);
data->glBindTexture(texturedata->type, texturedata->vtexture);
data->glActiveTextureARB(GL_TEXTURE1_ARB);
data->glBindTexture(texturedata->type, texturedata->utexture);
data->glActiveTextureARB(GL_TEXTURE0_ARB);
}
data->glBindTexture(texturedata->type, texturedata->texture);
if(texw) *texw = (float)texturedata->texw;
if(texh) *texh = (float)texturedata->texh;
return 0;
}
static int GL_UnbindTexture (SDL_Renderer * renderer, SDL_Texture *texture) {
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
GL_ActivateRenderer(renderer);
if (texturedata->yuv) {
data->glActiveTextureARB(GL_TEXTURE2_ARB);
data->glDisable(texturedata->type);
data->glActiveTextureARB(GL_TEXTURE1_ARB);
data->glDisable(texturedata->type);
data->glActiveTextureARB(GL_TEXTURE0_ARB);
}
data->glDisable(texturedata->type);
return 0;
}
#endif /* SDL_VIDEO_RENDER_OGL && !SDL_RENDER_DISABLED */
/* vi: set ts=4 sw=4 expandtab: */