defd90b6f6
This fixes an issue where an empty cliprect is treated the same as a NULL
cliprect, causing the render backends to disable clipping.
Also adds a new API, SDL_RenderIsClipEnabled(render) that allows you to
differentiate between:
- SDL_RenderSetClipRect(render, NULL)
- SDL_Rect r = {0,0,0,0}; SDL_RenderSetClipRect(render, &r);
Fixes https://bugzilla.libsdl.org/show_bug.cgi?id=2504
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| .. | ||
| SDL_glfuncs.h | ||
| SDL_render_gl.c | ||
| SDL_shaders_gl.c | ||
| SDL_shaders_gl.h | ||