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https://github.com/TES3MP/openmw-tes3mp.git
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50 lines
1.3 KiB
GLSL
50 lines
1.3 KiB
GLSL
#version 120
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#define SHADOWS @shadows_enabled
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varying vec2 uv;
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varying float depth;
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#define PER_PIXEL_LIGHTING (@normalMap || @forcePPL)
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#if !PER_PIXEL_LIGHTING
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varying vec4 lighting;
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varying vec3 shadowDiffuseLighting;
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#else
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varying vec4 passColor;
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#endif
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varying vec3 passViewPos;
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varying vec3 passNormal;
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#if SHADOWS
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@shadow_texture_unit_declarations
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@shadow_space_coordinate_declarations
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#endif // SHADOWS
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#include "lighting.glsl"
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void main(void)
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{
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gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
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depth = gl_Position.z;
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vec4 viewPos = (gl_ModelViewMatrix * gl_Vertex);
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gl_ClipVertex = viewPos;
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#if !PER_PIXEL_LIGHTING
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vec3 viewNormal = normalize((gl_NormalMatrix * gl_Normal).xyz);
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lighting = doLighting(viewPos.xyz, viewNormal, gl_Color, shadowDiffuseLighting);
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#else
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passColor = gl_Color;
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#endif
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passNormal = gl_Normal.xyz;
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passViewPos = viewPos.xyz;
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uv = gl_MultiTexCoord0.xy;
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#if SHADOWS
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// This matrix has the opposite handedness to the others used here, so multiplication must have the vector to the left. Alternatively it could be transposed after construction, but that's extra work for the GPU just to make the code look a tiny bit cleaner.
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mat4 eyePlaneMat;
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@shadow_space_coordinate_calculations
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#endif // SHADOWS
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}
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