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GL_ALPHA_BITS is the number of bits of the alpha channel of the currently bound frame buffer's color buffer -- which is precisely renderer->current_buffer->rbo . Thus, instead of binding the color buffer and checking its properties, we can query the already bound frame buffer. Note that GL_IMPLEMENTATION_COLOR_READ_{FORMAT,TYPE} are also properties of frame buffer's color buffer. |
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meson.build | ||
pixel_format.c | ||
renderer.c | ||
shaders.c | ||
texture.c |