34 lines
840 B
GLSL
34 lines
840 B
GLSL
#version 450
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layout(location = 0) in vec3 position;
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layout(location = 1) in vec3 normal;
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layout(location = 2) in uvec4 bone_indices;
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layout(location = 3) in vec4 weights;
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layout(location = 0) out vec3 frag_normal;
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layout(push_constant) uniform vp_t {
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mat4 view;
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mat4 proj;
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} vp;
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layout(binding = 0) uniform transform_t {
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mat4 model;
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} transform;
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layout(binding = 1) uniform skeleton_t {
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mat4 matrices[32];
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} bones;
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void main() {
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const mat4 skinning_matrix
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= weights.x * bones.matrices[bone_indices.x]
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+ weights.y * bones.matrices[bone_indices.y]
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+ weights.z * bones.matrices[bone_indices.z]
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+ weights.w * bones.matrices[bone_indices.w];
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gl_Position = vp.proj * vp.view * transform.model * skinning_matrix
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* vec4(position, 1.0);
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frag_normal = transpose(
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inverse(mat3(transform.model * skinning_matrix))) * normal;
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}
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