pandory500/SDL-mirror
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Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck

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This compiles, but it untested.
This commit is contained in:
Sam Lantinga 2011-02-06 00:00:13 -08:00
parent a51c332dfe
commit f2c40726b6
8 changed files with 1889 additions and 14 deletions
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16
src/render/opengles/SDL_render_gles.c
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@ -71,7 +71,7 @@ static void GLES_DestroyTexture(SDL_Renderer * renderer,
static void GLES_DestroyRenderer(SDL_Renderer * renderer);
SDL_RenderDriver GL_ES_RenderDriver = {
SDL_RenderDriver GLES_RenderDriver = {
GLES_CreateRenderer,
{
"opengl_es",
@ -201,7 +201,7 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->RenderPresent = GLES_RenderPresent;
renderer->DestroyTexture = GLES_DestroyTexture;
renderer->DestroyRenderer = GLES_DestroyRenderer;
renderer->info = GL_ES_RenderDriver.info;
renderer->info = GLES_RenderDriver.info;
renderer->driverdata = data;
renderer->info.flags = SDL_RENDERER_ACCELERATED;
@ -265,7 +265,6 @@ static SDL_GLContext SDL_CurrentContext = NULL;
static int
GLES_ActivateRenderer(SDL_Renderer * renderer)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
@ -390,13 +389,6 @@ GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
return 0;
}
static void
SetupTextureUpdate(GLES_RenderData * renderdata, SDL_Texture * texture,
int pitch)
{
renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
}
static int
GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
@ -412,7 +404,7 @@ GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
GLES_ActivateRenderer(renderer);
renderdata->glGetError();
SetupTextureUpdate(renderdata, texture, pitch);
renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
renderdata->glEnable(data->type);
renderdata->glBindTexture(data->type, data->texture);
@ -467,7 +459,7 @@ GLES_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
GLES_ActivateRenderer(renderer);
SetupTextureUpdate(renderdata, texture, data->pitch);
renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
renderdata->glEnable(data->type);
renderdata->glBindTexture(data->type, data->texture);
renderdata->glTexSubImage2D(data->type, 0, 0, 0, texture->w,