3092063ebb
This shader is only used when the user doesn't specify anything that could affect depth rendering. As such it must not attemp to read material inputs.
36 lines
1.3 KiB
GLSL
36 lines
1.3 KiB
GLSL
// The sole purpose of this no-op function is to improve parity between the depth vertex shader
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// and color vertex shader, thus working around a variance issue seen with NVIDIA drivers.
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void materialVertex(inout MaterialVertexInputs m) { }
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// NOTE: This shader is only used when the user's material does not have custom vertex code.
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// There is no need to check anything related to material inputs in this file.
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void main() {
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// World position is used to compute gl_Position, except for vertices already in the device domain.
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// Regardless of vertex domain, if VSM is turned on, then we need to compute world position to pass
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// to the fragment shader.
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#if !defined(VERTEX_DOMAIN_DEVICE) || defined(HAS_VSM)
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// Run initMaterialVertex to compute material.worldPosition.
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MaterialVertexInputs material;
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initMaterialVertex(material);
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materialVertex(material);
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#endif
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#if defined(VERTEX_DOMAIN_DEVICE)
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gl_Position = getPosition();
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#else
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gl_Position = getClipFromWorldMatrix() * getWorldPosition(material);
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#endif
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#if defined(HAS_VSM)
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vertex_worldPosition = material.worldPosition.xyz;
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#endif
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#if defined(TARGET_VULKAN_ENVIRONMENT)
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// In Vulkan, clip space is Y-down. In OpenGL and Metal, clip space is Y-up.
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gl_Position.y = -gl_Position.y;
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#endif
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gl_Position.z = dot(gl_Position.zw, frameUniforms.clipControl.xy);
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}
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