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[Test] (DirectVulkan): pin the image-uniform numeric domain the unbound placeholder is chosen from

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swung0x48
2026-08-25 03:44:36 -04:00
parent 59f7059bf4
commit 724755d9df
1 changed files with 24 additions and 0 deletions
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MobileGL/MG_Test/SanityTest.cpp
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@@ -1550,6 +1550,30 @@ TEST(DirectVulkanSanity, SamplerUniformTypesPreserveTheirNumericDomain) {
SamplerNumericDomain::Unknown);
}
// The image half of the same question, which the sampler form above deliberately answers
// Unknown. It decides the format of the placeholder descriptor an UNBOUND image unit gets, and a
// `writeonly` declaration carries no format qualifier for it to fall back on - so an Unknown here
// is a lost draw, not a cosmetic gap.
TEST(DirectVulkanSanity, ImageUniformTypesPreserveTheirNumericDomain) {
using namespace MobileGL::MG_Backend::DirectVulkan;
EXPECT_EQ(ProgramFactory::UniformTypeToImageNumericDomain(GL_IMAGE_2D), SamplerNumericDomain::Float);
EXPECT_EQ(ProgramFactory::UniformTypeToImageNumericDomain(GL_IMAGE_BUFFER), SamplerNumericDomain::Float);
EXPECT_EQ(ProgramFactory::UniformTypeToImageNumericDomain(GL_IMAGE_CUBE_MAP_ARRAY),
SamplerNumericDomain::Float);
EXPECT_EQ(ProgramFactory::UniformTypeToImageNumericDomain(GL_INT_IMAGE_2D_ARRAY),
SamplerNumericDomain::SignedInteger);
EXPECT_EQ(ProgramFactory::UniformTypeToImageNumericDomain(GL_INT_IMAGE_BUFFER),
SamplerNumericDomain::SignedInteger);
EXPECT_EQ(ProgramFactory::UniformTypeToImageNumericDomain(GL_UNSIGNED_INT_IMAGE_3D),
SamplerNumericDomain::UnsignedInteger);
EXPECT_EQ(ProgramFactory::UniformTypeToImageNumericDomain(GL_UNSIGNED_INT_IMAGE_BUFFER),
SamplerNumericDomain::UnsignedInteger);
// Samplers are the other function's business, and answering for them here would let a
// sampler binding silently take an image binding's placeholder rules.
EXPECT_EQ(ProgramFactory::UniformTypeToImageNumericDomain(GL_SAMPLER_2D), SamplerNumericDomain::Unknown);
}
TEST(DirectVulkanSanity, SampledViewFormatMatchesSamplerNumericDomainWithoutChangingComponentLayout) {
using namespace MobileGL::MG_Backend::DirectVulkan;