37 lines
No EOL
1.1 KiB
GLSL
37 lines
No EOL
1.1 KiB
GLSL
#version 450
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layout (binding = 0) uniform UBO
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{
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mat4 projection;
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mat4 modelview;
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vec4 lightPos;
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float tessAlpha;
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float tessStrength;
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float tessLevel;
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} ubo;
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layout (binding = 1) uniform sampler2D displacementMap;
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layout(triangles, equal_spacing, cw) in;
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layout (location = 0) in vec3 inNormal[];
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layout (location = 1) in vec2 inUV[];
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layout (location = 0) out vec3 outNormal;
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layout (location = 1) out vec2 outUV;
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layout (location = 2) out vec3 outEyesPos;
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layout (location = 3) out vec3 outLightVec;
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void main()
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{
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gl_Position = (gl_TessCoord.x * gl_in[0].gl_Position) + (gl_TessCoord.y * gl_in[1].gl_Position) + (gl_TessCoord.z * gl_in[2].gl_Position);
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outUV = gl_TessCoord.x * inUV[0] + gl_TessCoord.y * inUV[1] + gl_TessCoord.z * inUV[2];
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outNormal = gl_TessCoord.x * inNormal[0] + gl_TessCoord.y * inNormal[1] + gl_TessCoord.z * inNormal[2];
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gl_Position.xyz += normalize(outNormal) * (max(textureLod(displacementMap, outUV.st, 0.0).a, 0.0) * ubo.tessStrength);
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outEyesPos = (gl_Position).xyz;
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outLightVec = normalize(ubo.lightPos.xyz - outEyesPos);
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gl_Position = ubo.projection * ubo.modelview * gl_Position;
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} |