forked from 0ad/0ad
65 lines
1.4 KiB
GLSL
65 lines
1.4 KiB
GLSL
#if USE_GPU_SKINNING
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// Skinning requires GLSL 1.30 for ivec4 vertex attributes
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#version 130
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#else
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#version 120
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#endif
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uniform mat4 transform;
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uniform vec3 cameraPos;
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uniform vec3 sunDir;
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uniform vec3 sunColor;
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uniform vec2 losTransform;
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uniform mat4 shadowTransform;
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uniform mat4 instancingTransform;
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uniform float sim_time;
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uniform vec2 translation;
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#if USE_SHADOW_SAMPLER && USE_SHADOW_PCF
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uniform vec4 shadowScale;
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#endif
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attribute vec3 a_vertex;
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attribute vec3 a_normal;
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attribute vec2 a_uv0;
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varying vec4 worldPos;
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varying vec4 v_tex;
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varying vec4 v_shadow;
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varying vec2 v_los;
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varying vec3 v_half;
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varying vec3 v_normal;
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varying vec3 v_lighting;
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void main()
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{
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worldPos = instancingTransform * vec4(a_vertex, 1.0);
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v_tex.xy = a_uv0 + sim_time * translation;
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#if USE_SHADOW
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v_shadow = shadowTransform * worldPos;
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#if USE_SHADOW_SAMPLER && USE_SHADOW_PCF
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v_shadow.xy *= shadowScale.xy;
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#endif
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#endif
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v_los = worldPos.xz * losTransform.x + losTransform.y;
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vec3 eyeVec = cameraPos.xyz - worldPos.xyz;
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vec3 sunVec = -sunDir;
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v_half = normalize(sunVec + normalize(eyeVec));
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mat3 normalMatrix = mat3(instancingTransform[0].xyz, instancingTransform[1].xyz, instancingTransform[2].xyz);
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v_normal = normalMatrix * a_normal;
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v_lighting = max(0.0, dot(v_normal, -sunDir)) * sunColor;
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gl_Position = transform * worldPos;
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}
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