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GLSL: fix countOneBits().

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This change essentially relands 10c554ecf4,
aka https://dawn-review.googlesource.com/c/tint/+/82140.

(Somehow, I managed to revert most of that in the subsequent CL for
reverseBits. I suspect a bad upstream and/or rebase.)

Bug: tint:1430
Change-Id: Iba2688294dcd7d3008ee9da78957a7a464ca1c0f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/82220
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Stephen White <senorblanco@chromium.org>
This commit is contained in:
Stephen White
2022-03-01 14:25:42 +00:00
committed by Tint LUCI CQ
parent bee5fa6881
commit 4acf466ff9
24 changed files with 64 additions and 343 deletions
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11
test/tint/unittest/reader/spirv/SpvUnaryBitTest_BitCount_Int_Uint.spvasm.expected.glsl
View File

@@ -1,5 +1,3 @@
SKIP: FAILED
#version 310 es
void main_1() {
@@ -7,7 +5,7 @@ void main_1() {
int i1 = 30;
uvec2 v2u1 = uvec2(10u, 20u);
ivec2 v2i1 = ivec2(30, 40);
int x_1 = int(countbits(u1));
int x_1 = int(uint(bitCount(u1)));
return;
}
@@ -20,10 +18,3 @@ void main() {
tint_symbol();
return;
}
Error parsing GLSL shader:
ERROR: 0:8: 'countbits' : no matching overloaded function found
ERROR: 0:8: '' : compilation terminated
ERROR: 2 compilation errors. No code generated.