mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-01 00:21:50 +00:00
49 lines
1.3 KiB
GLSL
49 lines
1.3 KiB
GLSL
#version 450
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layout (constant_id = 0) const int MaxTextures = 256;
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layout (set = 1, binding = 0) uniform sampler samp;
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layout (set = 1, binding = 1) uniform texture2DArray textures[MaxTextures];
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layout (push_constant) uniform PushConstants {
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layout (offset = 64)
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vec4 fog;
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float time;
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int texind;
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};
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layout (location = 0) in vec4 tl_st;
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layout (location = 1) in vec3 direction;
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layout (location = 2) in vec3 normal;
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layout (location = 3) in vec4 position;
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layout (location = 0) out vec4 frag_color;
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layout (location = 1) out vec4 frag_emission;
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layout (location = 2) out vec4 frag_normal;
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layout (location = 3) out vec4 frag_position;
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vec4
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fogBlend (vec4 color)
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{
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float az = fog.a * gl_FragCoord.z / gl_FragCoord.w;
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vec3 fog_color = fog.rgb;
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float fog_factor = exp (-az * az);
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return vec4 (mix (fog_color.rgb, color.rgb, fog_factor), color.a);
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}
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void
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main (void)
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{
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vec4 c = vec4 (0);
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vec4 e;
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vec3 t_st = vec3 (tl_st.xy, 0);
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vec3 l_st = vec3 (tl_st.zw, 1);
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c = texture (sampler2DArray (textures[texind], samp), t_st);
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e = texture (sampler2DArray (textures[texind], samp), t_st);
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frag_color = c;//fogBlend (c);
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frag_emission = e;
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frag_normal = vec4 (normal, 0);
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frag_position = position;
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}
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