Clément Foucault
90efcd6df7
Filter size is constant in world space and not dependant of shadow resolution. The filter size is limited to the number of precomputed samples.
53 lines
1.1 KiB
GLSL
53 lines
1.1 KiB
GLSL
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layout(std140) uniform shadow_render_block {
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mat4 ShadowMatrix[6];
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mat4 FaceViewMatrix[6];
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vec4 lampPosition;
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float cubeTexelSize;
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float storedTexelSize;
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float nearClip;
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float farClip;
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int shadowSampleCount;
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float shadowInvSampleCount;
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};
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layout(triangles) in;
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layout(triangle_strip, max_vertices=3) out;
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in vec4 vPos[];
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flat in int face[];
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#ifdef MESH_SHADER
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in vec3 vNor[];
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#endif
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out vec3 worldPosition;
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#ifdef MESH_SHADER
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out vec3 viewPosition; /* Required. otherwise generate linking error. */
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out vec3 worldNormal; /* Required. otherwise generate linking error. */
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out vec3 viewNormal; /* Required. otherwise generate linking error. */
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flat out int shFace;
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#else
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int shFace;
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#endif
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void main() {
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shFace = face[0];
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gl_Layer = shFace;
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for (int v = 0; v < 3; ++v) {
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gl_Position = ShadowMatrix[shFace] * vPos[v];
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worldPosition = vPos[v].xyz;
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#ifdef MESH_SHADER
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worldNormal = vNor[v];
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viewPosition = (FaceViewMatrix[shFace] * vec4(worldPosition, 1.0)).xyz;
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viewNormal = (FaceViewMatrix[shFace] * vec4(worldNormal, 0.0)).xyz;
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#ifdef ATTRIB
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pass_attrib(v);
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#endif
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#endif
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EmitVertex();
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}
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EndPrimitive();
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} |