8f58743405
Five custom variables (varyings) are now available on the condition that the `color` attribute is not requested. FIXES=[404930099]
49 lines
1.6 KiB
GLSL
49 lines
1.6 KiB
GLSL
void main() {
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// Initialize the vertex shader inputs to sensible default values.
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PostProcessVertexInputs inputs;
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initPostProcessMaterialVertex(inputs);
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inputs.normalizedUV = position.xy * 0.5 + 0.5;
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inputs.position = getPosition();
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// Invoke user code
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postProcessVertex(inputs);
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// (vertex domain) GL convention to inverted DX convention
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inputs.position.z = inputs.position.z * -0.5 + 0.5;
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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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inputs.position.y = -inputs.position.y;
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#endif
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// Adjust clip-space
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#if !defined(TARGET_VULKAN_ENVIRONMENT) && !defined(TARGET_METAL_ENVIRONMENT)
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// This is not needed in Vulkan or Metal because clipControl is always (1, 0)
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// (We don't use a dot() here because it works around a spirv-opt optimization that in turn
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// causes a crash on PowerVR, see #5118)
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inputs.position.z = inputs.position.z * frameUniforms.clipControl.x + inputs.position.w * frameUniforms.clipControl.y;
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#endif
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// Handle user-defined interpolated attributes
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#if defined(VARIABLE_CUSTOM0)
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VARIABLE_CUSTOM_AT0 = inputs.VARIABLE_CUSTOM0;
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#endif
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#if defined(VARIABLE_CUSTOM1)
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VARIABLE_CUSTOM_AT1 = inputs.VARIABLE_CUSTOM1;
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#endif
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#if defined(VARIABLE_CUSTOM2)
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VARIABLE_CUSTOM_AT2 = inputs.VARIABLE_CUSTOM2;
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#endif
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#if defined(VARIABLE_CUSTOM3)
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VARIABLE_CUSTOM_AT3 = inputs.VARIABLE_CUSTOM3;
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#endif
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#if defined(VARIABLE_CUSTOM4)
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VARIABLE_CUSTOM_AT4 = inputs.VARIABLE_CUSTOM4;
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#endif
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// some PowerVR drivers crash when gl_Position is written more than once
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gl_Position = inputs.position;
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}
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