static int
GLES2_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture)
{
GLES2_DriverContext *data = (GLES2_DriverContext *) renderer->driverdata;
GLES2_TextureData *texturedata = NULL;
GLenum status;
if (texture == NULL) {
data->glBindFramebuffer(GL_FRAMEBUFFER, 0);
} else {
texturedata = (GLES2_TextureData *) texture->driverdata;
data->glBindFramebuffer(GL_FRAMEBUFFER, texturedata->fbo->FBO);
/* TODO: check if texture pixel format allows this operation */
data->glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, texturedata->texture_type, texturedata->texture, 0);
/* Check FBO status */
status = data->glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
SDL_SetError("glFramebufferTexture2D() failed");
return -1;
}
}
if (data->current_program) {
GLES2_SetOrthographicProjection(renderer);
}
return 0;
}
static int
GLES2_UpdateViewport(SDL_Renderer * renderer)
{
GLES2_DriverContext *rdata = (GLES2_DriverContext *)renderer->driverdata;
if (SDL_CurrentContext != rdata->context) {
/* We'll update the viewport after we rebind the context */
return 0;
}
rdata->glViewport(renderer->viewport.x, renderer->viewport.y,
renderer->viewport.w, renderer->viewport.h);
if (rdata->current_program) {
GLES2_SetOrthographicProjection(renderer);
}
return 0;
}
