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f1f56b2d3c
WGSL states that `f32` is a IEEE-754 binary32. mediump precision guarantees are much smaller than highp, and using mediump can break code generated by tint. Change-Id: I8a129c4c8ac078c785e0d5d7d21f19ed6b3620b5 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/123400 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Stephen White <senorblanco@chromium.org>
29 lines
638 B
GLSL
29 lines
638 B
GLSL
#version 310 es
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vec4 vtx_main(uint VertexIndex) {
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vec2 tint_symbol[3] = vec2[3](vec2(0.0f, 0.5f), vec2(-0.5f), vec2(0.5f, -0.5f));
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return vec4(tint_symbol[VertexIndex], 0.0f, 1.0f);
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}
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void main() {
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gl_PointSize = 1.0;
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vec4 inner_result = vtx_main(uint(gl_VertexID));
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gl_Position = inner_result;
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gl_Position.y = -(gl_Position.y);
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gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
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return;
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}
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#version 310 es
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precision highp float;
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layout(location = 0) out vec4 value;
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vec4 frag_main() {
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return vec4(1.0f, 0.0f, 0.0f, 1.0f);
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}
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void main() {
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vec4 inner_result = frag_main();
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value = inner_result;
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return;
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}
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