mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-29 23:52:22 +00:00
00cade072c
It's a bit flaky for particles, especially at higher frame rates, but that's due to supporting only 64 overlapping pixels. A reasonable solution is probably switching to a priority heap for the "sort" and upping the limit.
47 lines
1.1 KiB
GLSL
47 lines
1.1 KiB
GLSL
#version 450
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layout (set = 3, binding = 0) uniform sampler2DArray Texture;
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layout (push_constant) uniform PushConstants {
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vec4 fog;
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float time;
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float alpha;
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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 = 4) in vec4 color;
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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 e_st = vec3 (tl_st.xy, 1);
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vec2 l_st = vec2 (tl_st.zw);
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c = texture (Texture, t_st) * color;
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e = texture (Texture, e_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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