mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2025-02-25 13:11:00 +00:00
8bf688748c
Both alias and iqm (yay unified fragment shader). It's meh, but that's 1996 tech for you (hey, it was full-on 3d and we liked it!).
39 lines
1 KiB
GLSL
39 lines
1 KiB
GLSL
#version 450
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layout (set = 1, binding = 0) uniform sampler2D Palette;
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layout (set = 2, binding = 0) uniform sampler2DArray Skin;
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layout (push_constant) uniform PushConstants {
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layout (offset = 68)
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uint colors;
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float ambient;
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float shadelight;
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vec4 lightvec;
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vec4 base_color;
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vec4 fog;
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};
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layout (location = 0) in vec2 st;
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layout (location = 1) in vec4 position;
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layout (location = 2) in vec3 normal;
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layout (location = 0) out vec4 frag_color;
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void
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main (void)
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{
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vec4 c = texture (Skin, vec3 (st, 0)) * base_color;
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vec4 e = texture (Skin, vec3 (st, 1));
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vec4 rows = unpackUnorm4x8(colors);
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vec4 cmap = texture (Skin, vec3 (st, 2));
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c += texture (Palette, vec2 (cmap.x, rows.x)) * cmap.y;
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c += texture (Palette, vec2 (cmap.z, rows.y)) * cmap.w;
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float light = ambient;
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float d = dot (normal, lightvec.xyz);
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d = min (d, 0.0);
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light -= d * shadelight;
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light = max (light, 0.0) / 255;
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frag_color = light * c + e;//fogBlend (c);
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}
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