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glsl: Implement compound assignment

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Use the ExpandCompoundAssignment transform to convert compound
assignments to regular assignments.

Bug: tint:1325
Change-Id: I0567131aa7c6b4beb6e25c0c6c559795e9c58c19
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/85286
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
This commit is contained in:
James Price
2022-03-31 22:30:10 +00:00
parent 16eeff387c
commit 0e1f57cbc2
33 changed files with 455 additions and 347 deletions
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22
test/tint/statements/compound_assign/function.wgsl.expected.glsl
View File

@@ -1,13 +1,15 @@
SKIP: FAILED
#version 310 es
fn foo() {
var<function> a : i32;
var<function> b : vec4<f32>;
var<function> c : mat2x2<f32>;
a /= 2;
b *= mat4x4<f32>();
c *= 2.0;
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void unused_entry_point() {
return;
}
void foo() {
int a = 0;
vec4 b = vec4(0.0f, 0.0f, 0.0f, 0.0f);
mat2 c = mat2(0.0f, 0.0f, 0.0f, 0.0f);
a = (a / 2);
b = (b * mat4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
c = (c * 2.0f);
}
Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement