j3oss
56 lines
1.3 KiB
GLSL
56 lines
1.3 KiB
GLSL
#version 450
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#extension GL_EXT_nonuniform_qualifier : require
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struct Vertex {
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vec4 position;
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vec4 normal;
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vec2 uv[2];
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vec4 tangent;
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vec4 bitangent; // No longer needed. // TODO remove
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};
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struct Light {
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mat4 tranform;
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vec4 color;
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float intensity;
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};
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layout( push_constant ) uniform constants
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{
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mat4 transform;
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uint indexBufferIndex;
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uint vertexBufferIndex;
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} PushConstants;
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layout(set = 0, binding = 1) buffer VertexBuffer {
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layout(align = 16) Vertex vertices[];
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} VertexBuffers[];
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layout(set = 0, binding = 2) buffer IndexBuffer {
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uint indices[];
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} IndexBuffers[];
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const int MAX_LIGHT_COUNT = 128;
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layout(set = 1, binding = 0) uniform LightBuffer {
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layout(align = 16) Light lights[MAX_LIGHT_COUNT];
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} LightsBuffer;
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float near = 10;
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float far = 0.1;
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void main()
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{
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uint index = IndexBuffers[ PushConstants.indexBufferIndex ].indices[gl_VertexIndex];
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Vertex vertex = VertexBuffers[ PushConstants.vertexBufferIndex ].vertices[ index ];
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mat4 lightView = transpose(inverse( LightsBuffer.lights[0].tranform));
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mat4 lightProjection = mat4(1.0);
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lightProjection[3][2] = -(far+near)/(far-near);
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lightProjection[2][2] = -2/(far-near);
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mat4 lightSpaceMatrix = lightProjection * lightView;
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gl_Position = lightSpaceMatrix * PushConstants.transform * vec4(vertex.position.xyz, 1.0);
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}
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