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Merge pull request #5013 from ReinUsesLisp/vk-early-z

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vk_shader_decompiler: Implement force early fragment tests
This commit is contained in:
bunnei 2020-11-30 11:11:07 -08:00 committed by GitHub
commit 7b4a213603
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 19 additions and 11 deletions
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7
src/video_core/engines/maxwell_3d.h
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@ -755,7 +755,11 @@ public:
u32 data_upload;
INSERT_UNION_PADDING_WORDS(0x44);
INSERT_UNION_PADDING_WORDS(0x16);
u32 force_early_fragment_tests;
INSERT_UNION_PADDING_WORDS(0x2D);
struct {
union {
@ -1572,6 +1576,7 @@ ASSERT_REG_POSITION(shadow_ram_control, 0x49);
ASSERT_REG_POSITION(upload, 0x60);
ASSERT_REG_POSITION(exec_upload, 0x6C);
ASSERT_REG_POSITION(data_upload, 0x6D);
ASSERT_REG_POSITION(force_early_fragment_tests, 0x84);
ASSERT_REG_POSITION(sync_info, 0xB2);
ASSERT_REG_POSITION(tess_mode, 0xC8);
ASSERT_REG_POSITION(tess_level_outer, 0xC9);

7
src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
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@ -46,7 +46,7 @@ void FixedPipelineState::Fill(const Maxwell& regs, bool has_extended_dynamic_sta
regs.polygon_offset_fill_enable};
const u32 topology_index = static_cast<u32>(regs.draw.topology.Value());
raw = 0;
raw1 = 0;
primitive_restart_enable.Assign(regs.primitive_restart.enabled != 0 ? 1 : 0);
depth_bias_enable.Assign(enabled_lut[POLYGON_OFFSET_ENABLE_LUT[topology_index]] != 0 ? 1 : 0);
depth_clamp_disabled.Assign(regs.view_volume_clip_control.depth_clamp_disabled.Value());
@ -61,12 +61,13 @@ void FixedPipelineState::Fill(const Maxwell& regs, bool has_extended_dynamic_sta
rasterize_enable.Assign(regs.rasterize_enable != 0 ? 1 : 0);
topology.Assign(regs.draw.topology);
alpha_raw = 0;
raw2 = 0;
const auto test_func =
regs.alpha_test_enabled == 1 ? regs.alpha_test_func : Maxwell::ComparisonOp::Always;
alpha_test_func.Assign(PackComparisonOp(test_func));
alpha_test_ref = Common::BitCast<u32>(regs.alpha_test_ref);
early_z.Assign(regs.force_early_fragment_tests != 0 ? 1 : 0);
alpha_test_ref = Common::BitCast<u32>(regs.alpha_test_ref);
point_size = Common::BitCast<u32>(regs.point_size);
for (std::size_t index = 0; index < Maxwell::NumVertexArrays; ++index) {

8
src/video_core/renderer_vulkan/fixed_pipeline_state.h
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@ -171,7 +171,7 @@ struct FixedPipelineState {
};
union {
u32 raw;
u32 raw1;
BitField<0, 1, u32> no_extended_dynamic_state;
BitField<2, 1, u32> primitive_restart_enable;
BitField<3, 1, u32> depth_bias_enable;
@ -187,13 +187,13 @@ struct FixedPipelineState {
BitField<23, 1, u32> rasterize_enable;
BitField<24, 4, Maxwell::PrimitiveTopology> topology;
};
u32 alpha_test_ref; ///< Alpha test reference value
union {
u32 alpha_raw;
u32 raw2;
BitField<0, 3, u32> alpha_test_func;
BitField<3, 1, u32> early_z;
};
u32 alpha_test_ref;
u32 point_size;
std::array<u32, Maxwell::NumVertexArrays> binding_divisors;
std::array<VertexAttribute, Maxwell::NumVertexAttributes> attributes;

1
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
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@ -344,6 +344,7 @@ VKPipelineCache::DecompileShaders(const FixedPipelineState& fixed_state) {
specialization.attribute_types[i] = attribute.Type();
}
specialization.ndc_minus_one_to_one = fixed_state.ndc_minus_one_to_one;
specialization.early_fragment_tests = fixed_state.early_z;
// Alpha test
specialization.alpha_test_func =

6
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
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@ -315,7 +315,6 @@ public:
"supported on this device");
}
}
if (ir.UsesLayer() || ir.UsesViewportIndex()) {
if (ir.UsesViewportIndex()) {
AddCapability(spv::Capability::MultiViewport);
@ -325,11 +324,9 @@ public:
AddCapability(spv::Capability::ShaderViewportIndexLayerEXT);
}
}
if (device.IsFormatlessImageLoadSupported()) {
AddCapability(spv::Capability::StorageImageReadWithoutFormat);
}
if (device.IsFloat16Supported()) {
AddCapability(spv::Capability::Float16);
}
@ -377,6 +374,9 @@ public:
if (header.ps.omap.depth) {
AddExecutionMode(main, spv::ExecutionMode::DepthReplacing);
}
if (specialization.early_fragment_tests) {
AddExecutionMode(main, spv::ExecutionMode::EarlyFragmentTests);
}
break;
case ShaderType::Compute:
const auto workgroup_size = specialization.workgroup_size;

1
src/video_core/renderer_vulkan/vk_shader_decompiler.h
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@ -95,6 +95,7 @@ struct Specialization final {
std::bitset<Maxwell::NumVertexAttributes> enabled_attributes;
std::array<Maxwell::VertexAttribute::Type, Maxwell::NumVertexAttributes> attribute_types{};
bool ndc_minus_one_to_one{};
bool early_fragment_tests{};
float alpha_test_ref{};
Maxwell::ComparisonOp alpha_test_func{};
};