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intrinsics: Add missing select() overload

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WGSL supports select() with vectors, where the condition is a
scalar. To support this in SPIR-V versions older than 1.4, we need to
splat the condition operand to a vector of the same size as the
objects.

Fixed: tint:933
Change-Id: I571af46e74cd7bb24093524ccfed25a3ed612676
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56340
Auto-Submit: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
James Price
2021-06-29 08:45:34 +00:00
committed by Tint LUCI CQ
parent c7aa21e265
commit 077fe64b11
64 changed files with 4789 additions and 2463 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/resolver/intrinsic_test.cc
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@@ -468,8 +468,9 @@ TEST_F(ResolverIntrinsicTest, Select_Error_NoParams) {
EXPECT_EQ(r()->error(),
R"(error: no matching call to select()
2 candidate functions:
3 candidate functions:
select(T, T, bool) -> T where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, bool) -> vecN<T> where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, vecN<bool>) -> vecN<T> where: T is f32, i32, u32 or bool
)");
}
@@ -483,8 +484,9 @@ TEST_F(ResolverIntrinsicTest, Select_Error_SelectorInt) {
EXPECT_EQ(r()->error(),
R"(error: no matching call to select(i32, i32, i32)
2 candidate functions:
3 candidate functions:
select(T, T, bool) -> T where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, bool) -> vecN<T> where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, vecN<bool>) -> vecN<T> where: T is f32, i32, u32 or bool
)");
}
@@ -500,8 +502,9 @@ TEST_F(ResolverIntrinsicTest, Select_Error_Matrix) {
EXPECT_EQ(r()->error(),
R"(error: no matching call to select(mat2x2<f32>, mat2x2<f32>, bool)
2 candidate functions:
3 candidate functions:
select(T, T, bool) -> T where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, bool) -> vecN<T> where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, vecN<bool>) -> vecN<T> where: T is f32, i32, u32 or bool
)");
}
@@ -515,8 +518,9 @@ TEST_F(ResolverIntrinsicTest, Select_Error_MismatchTypes) {
EXPECT_EQ(r()->error(),
R"(error: no matching call to select(f32, vec2<f32>, bool)
2 candidate functions:
3 candidate functions:
select(T, T, bool) -> T where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, bool) -> vecN<T> where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, vecN<bool>) -> vecN<T> where: T is f32, i32, u32 or bool
)");
}
@@ -531,8 +535,9 @@ TEST_F(ResolverIntrinsicTest, Select_Error_MismatchVectorSize) {
EXPECT_EQ(r()->error(),
R"(error: no matching call to select(vec2<f32>, vec3<f32>, bool)
2 candidate functions:
3 candidate functions:
select(T, T, bool) -> T where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, bool) -> vecN<T> where: T is f32, i32, u32 or bool
select(vecN<T>, vecN<T>, vecN<bool>) -> vecN<T> where: T is f32, i32, u32 or bool
)");
}