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When validating IR, verify that all `Binding`s for vertex shader outputs and fragment shader inputs, whether directly in the argument or result, or applied to a struct member, has specified an interpolation and sampling, not `None`. This ensures that front ends explicitly state their policies, rather than coasting through on back ends' default behavior. In practice, all our front ends have very similar defaults, so provide a utility function on `Module` to apply these rules. Use this utility function in the SPIR-V and WGSL front ends; GLSL seems to already fill in interpolation as required.
25 lines
462 B
GLSL
25 lines
462 B
GLSL
#version 310 es
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precision highp float;
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struct VertexOutput {
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vec2 uv;
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vec4 position;
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};
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uniform highp sampler2D _group_0_binding_0;
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smooth layout(location = 0) in vec2 _vs2fs_location0;
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layout(location = 0) out vec4 _fs2p_location0;
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void main() {
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vec2 uv2 = _vs2fs_location0;
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vec4 _expr4 = texture(_group_0_binding_0, vec2(uv2));
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if((_expr4[3] == 0.0)) {
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discard;
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}
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_fs2p_location0 = (_expr4[3] * _expr4);
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return;
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}
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