38 lines
887 B
GLSL
38 lines
887 B
GLSL
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#version 450
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#extension GL_EXT_scalar_block_layout : enable
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#define MAX_WEIGHTS 3
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#define MAX_BONES 50
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layout(binding = 0) uniform Transform
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{
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mat4 viewProj;
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mat4 model;
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mat4 bones[MAX_BONES];
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} transform;
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layout(location = 0) in vec3 vNorm;
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layout(location = 1) in vec3 vPos;
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layout(location = 2) in uvec3 vBoneIndices;
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layout(location = 3) in vec3 vWeights;
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layout(location = 0) out vec3 fNorm;
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layout(location = 1) out vec4 fWorldPos;
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void main()
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{
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vec4 totalLocalPos = vec4(0.0f);
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vec4 totalNormal = vec4(0.0f);
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for (int i = 0; i < MAX_WEIGHTS; ++i)
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{
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totalLocalPos += transform.bones[vBoneIndices[i]] * vec4(vPos, 1.0f) * vWeights[i];
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totalNormal += transform.bones[vBoneIndices[i]] * vec4(vNorm, 0.0f) * vWeights[i];
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}
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fNorm = (transform.model * totalNormal).xyz;
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fWorldPos = transform.model * totalLocalPos;
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gl_Position = transform.viewProj * fWorldPos;
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}
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