int SDL_UpdateTexture(SDL_Texture * texture, const SDL_Rect * rect, const void *pixels, int pitch) { SDL_Renderer *renderer; SDL_Rect full_rect; CHECK_TEXTURE_MAGIC(texture, -1); if (!rect) { full_rect.x = 0; full_rect.y = 0; full_rect.w = texture->w; full_rect.h = texture->h; rect = &full_rect; } if (texture->yuv) { return SDL_UpdateTextureYUV(texture, rect, pixels, pitch); } else if (texture->native) { return SDL_UpdateTextureNative(texture, rect, pixels, pitch); } else { renderer = texture->renderer; return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch); } }