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Work in progress on OpenGL ReadPixels/WritePixels interface

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404169
This commit is contained in:
Sam Lantinga 2009-11-15 04:58:03 +00:00
parent 143563c826
commit 960459ec63
1 changed files with 19 additions and 1 deletions
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20
src/video/SDL_renderer_gl.c
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@ -102,7 +102,10 @@ static int GL_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2,
static int GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect);
static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect);
static int GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
void * pixels, int pitch);
static int GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
const void * pixels, int pitch);
static void GL_RenderPresent(SDL_Renderer * renderer);
static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void GL_DestroyRenderer(SDL_Renderer * renderer);
@ -312,6 +315,8 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->RenderLine = GL_RenderLine;
renderer->RenderFill = GL_RenderFill;
renderer->RenderCopy = GL_RenderCopy;
renderer->RenderReadPixels = GL_RenderReadPixels;
renderer->RenderWritePixels = GL_RenderWritePixels;
renderer->RenderPresent = GL_RenderPresent;
renderer->DestroyTexture = GL_DestroyTexture;
renderer->DestroyRenderer = GL_DestroyRenderer;
@ -1235,6 +1240,19 @@ GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
return 0;
}
static int
GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
void * pixels, int pitch)
{
//glReadPixels(rect->x, rect->y+rect->h-1, rect->w, rect->h,
}
static int
GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
const void * pixels, int pitch)
{
}
static void
GL_RenderPresent(SDL_Renderer * renderer)
{