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gpu: handle partial guard-band register ranges

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This commit is contained in:
nmzik
2026-08-20 22:07:17 +02:00
parent 494467406a
commit f119e4baca
4 changed files with 44 additions and 16 deletions
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tests/ShaderRecompilerComputeTests.cpp
+44
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@@ -22103,6 +22103,49 @@ void CheckPm4DirectShaderRegisterFallback(RenderContext &renderer) {
std::printf("[host] %-32s ok\n", "Pm4DirectShaderRegisterFallback");
}
void CheckPm4GuardBandRegisterRanges(RenderContext &renderer) {
GraphicsInitJmpTables();
CommandProcessor processor(renderer);
processor.GetCtx().SetGuardBands(2.0f, 3.0f, 4.0f, 5.0f);
std::array<uint32_t, 3> single{
KYTY_PM4(3, Pm4::IT_SET_CONTEXT_REG, Pm4::R_ZERO),
Pm4::PA_CL_GB_VERT_CLIP_ADJ,
std::bit_cast<uint32_t>(6.0f),
};
Pm4Execution single_execution;
const auto single_result =
processor.Process(single_execution, single.data(), single.size());
const auto &single_viewport = processor.GetCtx().GetScreenViewport();
Require("Pm4GuardBandRegisterRanges", "single register",
single_result == Pm4ProcessResult::Complete &&
single_viewport.guard_band_horz_clip == 2.0f &&
single_viewport.guard_band_vert_clip == 6.0f &&
single_viewport.guard_band_horz_discard == 4.0f &&
single_viewport.guard_band_vert_discard == 5.0f,
"single guard-band write changed the wrong context state");
std::array<uint32_t, 6> range{
KYTY_PM4(6, Pm4::IT_SET_CONTEXT_REG, Pm4::R_ZERO),
Pm4::PA_CL_GB_VERT_CLIP_ADJ,
std::bit_cast<uint32_t>(7.0f),
std::bit_cast<uint32_t>(8.0f),
std::bit_cast<uint32_t>(9.0f),
std::bit_cast<uint32_t>(10.0f),
};
Pm4Execution range_execution;
const auto range_result = processor.Process(range_execution, range.data(), range.size());
const auto &range_viewport = processor.GetCtx().GetScreenViewport();
Require("Pm4GuardBandRegisterRanges", "full range",
range_result == Pm4ProcessResult::Complete &&
range_viewport.guard_band_horz_clip == 9.0f &&
range_viewport.guard_band_vert_clip == 7.0f &&
range_viewport.guard_band_horz_discard == 10.0f &&
range_viewport.guard_band_vert_discard == 8.0f,
"full guard-band range did not preserve hardware register order");
std::printf("[host] %-32s ok\n", "Pm4GuardBandRegisterRanges");
}
void CheckPm4PolygonOffsetRegisters(RenderContext &renderer) {
GraphicsInitJmpTables();
CommandProcessor processor(renderer);
@@ -22696,6 +22739,7 @@ int main(int argc, char **argv) {
CheckPm4AcquireMemNoOp(vulkan.RuntimeRenderer());
CheckPm4StencilInfoValueLane(vulkan.RuntimeRenderer());
CheckPm4DirectShaderRegisterFallback(vulkan.RuntimeRenderer());
CheckPm4GuardBandRegisterRanges(vulkan.RuntimeRenderer());
CheckPm4PolygonOffsetRegisters(vulkan.RuntimeRenderer());
CheckPm4ContextStateOperations(vulkan.RuntimeRenderer());
CheckPm4WaitResume(vulkan.RuntimeRenderer());