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gpu: implement polygon offset

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Co-authored-by: Pouare514 <julienaulycee@gmail.com>
This commit is contained in:
nmzik
2026-08-06 22:02:19 +02:00
parent 3052dac82e
commit e9f5da27f8
9 changed files with 169 additions and 49 deletions
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tests/ShaderRecompilerComputeTests.cpp
+37
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@@ -18059,6 +18059,41 @@ void CheckPm4StencilInfoValueLane(RenderContext& renderer) {
std::printf("[host] %-32s ok\n", "Pm4StencilInfoValueLane");
}
void CheckPm4PolygonOffsetRegisters(RenderContext& renderer) {
GraphicsInitJmpTables();
CommandProcessor processor(renderer);
const auto& defaults = processor.GetCtx().GetPolyOffset();
Require("Pm4PolygonOffset", "format defaults",
defaults.neg_num_db_bits == -23 && defaults.db_is_float_fmt,
"polygon offset Z format did not default to D32F");
constexpr std::array<uint32_t, 6> payload {
0x000000f0u, std::bit_cast<uint32_t>(2.5f), std::bit_cast<uint32_t>(16.0f),
std::bit_cast<uint32_t>(-3.25f), std::bit_cast<uint32_t>(32.0f),
std::bit_cast<uint32_t>(4.5f)};
const auto consumed = HwCtxSetPolyOffsetRegisters(
processor, KYTY_PM4(8, Pm4::IT_SET_CONTEXT_REG, Pm4::R_ZERO),
Pm4::PA_SU_POLY_OFFSET_DB_FMT_CNTL, payload.data(), 0);
const auto& direct = processor.GetCtx().GetPolyOffset();
Require("Pm4PolygonOffset", "direct registers",
consumed == payload.size() && direct.neg_num_db_bits == -16 &&
!direct.db_is_float_fmt && direct.clamp == 2.5f && direct.front_scale == 16.0f &&
direct.front_offset == -3.25f && direct.back_scale == 32.0f &&
direct.back_offset == 4.5f,
"direct polygon offset register packet was decoded incorrectly");
g_hw_ctx_indirect_func[Pm4::PA_SU_POLY_OFFSET_DB_FMT_CNTL](
processor, Pm4::PA_SU_POLY_OFFSET_DB_FMT_CNTL, 0x000001e9u);
g_hw_ctx_indirect_func[Pm4::PA_SU_POLY_OFFSET_FRONT_SCALE](
processor, Pm4::PA_SU_POLY_OFFSET_FRONT_SCALE, std::bit_cast<uint32_t>(24.0f));
const auto& indirect = processor.GetCtx().GetPolyOffset();
Require("Pm4PolygonOffset", "indirect registers",
indirect.neg_num_db_bits == -23 && indirect.db_is_float_fmt &&
indirect.front_scale == 24.0f && indirect.front_offset == -3.25f,
"indirect polygon offset register write was decoded incorrectly");
std::printf("[host] %-32s ok\n", "Pm4PolygonOffset");
}
void CheckPm4ContextStateOperations(RenderContext& renderer) {
GraphicsInitJmpTables();
CommandProcessor processor(renderer);
@@ -18327,6 +18362,7 @@ int main(int argc, char** argv) {
}
if (argc == 2 && std::strcmp(argv[1], "--context-state-only") == 0) {
VulkanHarness vulkan;
CheckPm4PolygonOffsetRegisters(vulkan.RuntimeRenderer());
CheckPm4ContextStateOperations(vulkan.RuntimeRenderer());
return 0;
}
@@ -18464,6 +18500,7 @@ int main(int argc, char** argv) {
CheckVulkan13FeatureRequirements();
CheckPm4AcquireMemNoOp(vulkan.RuntimeRenderer());
CheckPm4StencilInfoValueLane(vulkan.RuntimeRenderer());
CheckPm4PolygonOffsetRegisters(vulkan.RuntimeRenderer());
CheckPm4ContextStateOperations(vulkan.RuntimeRenderer());
CheckPm4WaitResume(vulkan.RuntimeRenderer());
CheckPm4CeCompletion(vulkan.RuntimeRenderer());