diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/shaders/shadow_geom.glsl')
| -rw-r--r-- | source/blender/draw/engines/eevee/shaders/shadow_geom.glsl | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/shadow_geom.glsl b/source/blender/draw/engines/eevee/shaders/shadow_geom.glsl new file mode 100644 index 00000000000..ea51fa73a65 --- /dev/null +++ b/source/blender/draw/engines/eevee/shaders/shadow_geom.glsl @@ -0,0 +1,53 @@ + +layout(std140) uniform shadow_render_block { + mat4 ShadowMatrix[6]; + mat4 FaceViewMatrix[6]; + vec4 lampPosition; + float cubeTexelSize; + float storedTexelSize; + float nearClip; + float farClip; + int shadowSampleCount; + float shadowInvSampleCount; +}; + +layout(triangles) in; +layout(triangle_strip, max_vertices=3) out; + +in vec4 vPos[]; +flat in int face[]; + +#ifdef MESH_SHADER +in vec3 vNor[]; +#endif + +out vec3 worldPosition; +#ifdef MESH_SHADER +out vec3 viewPosition; /* Required. otherwise generate linking error. */ +out vec3 worldNormal; /* Required. otherwise generate linking error. */ +out vec3 viewNormal; /* Required. otherwise generate linking error. */ +flat out int shFace; +#else +int shFace; +#endif + +void main() { + shFace = face[0]; + gl_Layer = shFace; + + for (int v = 0; v < 3; ++v) { + gl_Position = ShadowMatrix[shFace] * vPos[v]; + worldPosition = vPos[v].xyz; +#ifdef MESH_SHADER + worldNormal = vNor[v]; + viewPosition = (FaceViewMatrix[shFace] * vec4(worldPosition, 1.0)).xyz; + viewNormal = (FaceViewMatrix[shFace] * vec4(worldNormal, 0.0)).xyz; +#ifdef ATTRIB + pass_attrib(v); +#endif +#endif + EmitVertex(); + } + + EndPrimitive(); +}
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