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test(agc): check the MRT0 export formats alpha-to-coverage accepts 

Formats 4, 5, 6 and 9 (FP16, UNORM16, SNORM16 and 32-bit float ABGR) decode with alpha-to-coverage; formats 1, 2 and 3, which carry no floating-point alpha, still throw.
This commit is contained in:
Gustavo Ariel Gamarra Rojas 2026-10-11 08:00:05 -03:00
parent 9a9bd3fb3c
commit 109eb81d62
1 changed files with 8 additions and 2 deletions
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10
core/libs/prx/libSceAgcDriver/tests/Graphics.cpp
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@ -1685,8 +1685,14 @@ void AlphaToCoverageTests() {
}
queue.context[0x2dc] = 0xaa01;
const auto exportFormat = queue.context.at(0x1c5);
queue.context[0x1c5] = (exportFormat & ~0xfu) | 1u;
expectFailure([&] { AgcDriver::Graphics::DecodeState(queue); }, "floating-point alpha");
for (const auto format : {4u, 5u, 6u, 9u}) {
queue.context[0x1c5] = (exportFormat & ~0xfu) | format;
Require(AgcDriver::Graphics::DecodeState(queue).alphaToCoverage, "alpha-to-coverage rejected an MRT0 export format with a floating-point alpha");
}
for (const auto format : {1u, 2u, 3u}) {
queue.context[0x1c5] = (exportFormat & ~0xfu) | format;
expectFailure([&] { AgcDriver::Graphics::DecodeState(queue); }, "floating-point alpha");
}
queue.context[0x1c5] = exportFormat;
}