quakeforge/libs/video/renderer/vulkan/shader/sprite.frag

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#version 450
layout (set = 1, binding = 1) uniform sampler2DArray Texture;
layout (push_constant) uniform PushConstants {
layout (offset = 64)
int frame;
int spriteind;
// two slots
vec4 fog;
};
layout (location = 0) in vec2 st;
layout (location = 1) in vec4 position;
layout (location = 2) in vec3 normal;
layout(early_fragment_tests) in;
layout (location = 0) out vec4 frag_color;
void
main (void)
{
vec4 pix;
pix = texture (Texture, vec3 (st, frame));
if (pix.a < 0.5) {
discard;
}
frag_color = pix;
}