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This transform breaks up matNx2<f32> matrices used in uniform buffers into column vectors, which fixes std140 layout rules. Used by the SPIR-V and GLSL backends. Re-enable tests that were disabled for these cases. Bug: tint:1632 Change-Id: I596d016582b4189a0b413d762b3e7eabd3504b22 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/100907 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Commit-Queue: Ben Clayton <bclayton@chromium.org>
35 lines
500 B
GLSL
35 lines
500 B
GLSL
#version 310 es
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precision mediump float;
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struct S {
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mat3x2 matrix;
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vec3 vector;
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};
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struct S_std140 {
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vec2 matrix_0;
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vec2 matrix_1;
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vec2 matrix_2;
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vec3 vector;
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};
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layout(binding = 0) uniform S_std140_1 {
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vec2 matrix_0;
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vec2 matrix_1;
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vec2 matrix_2;
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vec3 vector;
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} data;
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mat3x2 load_data_matrix() {
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return mat3x2(data.matrix_0, data.matrix_1, data.matrix_2);
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}
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void tint_symbol() {
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vec2 x = (load_data_matrix() * data.vector);
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}
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void main() {
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tint_symbol();
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return;
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}
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