Merge pull request #3237 from ReinUsesLisp/vk-shader-decompiler
vk_shader_decompiler: Misc changes
This commit is contained in:
commit
3dc585d011
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@ -1 +1 @@
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Subproject commit 12f40a80324d7c154f19f25c448a5ce27d38cd18
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Subproject commit 9f4d057aa28c4e9509bdc767afb27b4aee303b7e
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@ -543,7 +543,7 @@ private:
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}
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}
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for (u32 rt = 0; rt < static_cast<u32>(frag_colors.size()); ++rt) {
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for (u32 rt = 0; rt < static_cast<u32>(frag_colors.size()); ++rt) {
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if (!IsRenderTargetUsed(rt)) {
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if (!specialization.enabled_rendertargets[rt]) {
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continue;
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continue;
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}
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}
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@ -1555,26 +1555,11 @@ private:
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Expression Texture(Operation operation) {
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Expression Texture(Operation operation) {
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const auto& meta = std::get<MetaTexture>(operation.GetMeta());
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const auto& meta = std::get<MetaTexture>(operation.GetMeta());
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UNIMPLEMENTED_IF(!meta.aoffi.empty());
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const bool can_implicit = stage == ShaderType::Fragment;
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const bool can_implicit = stage == ShaderType::Fragment;
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const Id sampler = GetTextureSampler(operation);
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const Id sampler = GetTextureSampler(operation);
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const Id coords = GetCoordinates(operation, Type::Float);
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const Id coords = GetCoordinates(operation, Type::Float);
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if (meta.depth_compare) {
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// Depth sampling
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UNIMPLEMENTED_IF(meta.bias);
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const Id dref = AsFloat(Visit(meta.depth_compare));
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if (can_implicit) {
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return {OpImageSampleDrefImplicitLod(t_float, sampler, coords, dref, {}),
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Type::Float};
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} else {
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return {OpImageSampleDrefExplicitLod(t_float, sampler, coords, dref,
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spv::ImageOperandsMask::Lod, v_float_zero),
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Type::Float};
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}
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}
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std::vector<Id> operands;
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std::vector<Id> operands;
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spv::ImageOperandsMask mask{};
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spv::ImageOperandsMask mask{};
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if (meta.bias) {
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if (meta.bias) {
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@ -1582,13 +1567,36 @@ private:
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operands.push_back(AsFloat(Visit(meta.bias)));
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operands.push_back(AsFloat(Visit(meta.bias)));
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}
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}
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if (!can_implicit) {
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mask = mask | spv::ImageOperandsMask::Lod;
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operands.push_back(v_float_zero);
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}
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if (!meta.aoffi.empty()) {
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mask = mask | spv::ImageOperandsMask::Offset;
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operands.push_back(GetOffsetCoordinates(operation));
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}
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if (meta.depth_compare) {
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// Depth sampling
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UNIMPLEMENTED_IF(meta.bias);
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const Id dref = AsFloat(Visit(meta.depth_compare));
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if (can_implicit) {
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return {
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OpImageSampleDrefImplicitLod(t_float, sampler, coords, dref, mask, operands),
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Type::Float};
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} else {
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return {
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OpImageSampleDrefExplicitLod(t_float, sampler, coords, dref, mask, operands),
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Type::Float};
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}
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}
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Id texture;
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Id texture;
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if (can_implicit) {
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if (can_implicit) {
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texture = OpImageSampleImplicitLod(t_float4, sampler, coords, mask, operands);
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texture = OpImageSampleImplicitLod(t_float4, sampler, coords, mask, operands);
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} else {
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} else {
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texture = OpImageSampleExplicitLod(t_float4, sampler, coords,
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texture = OpImageSampleExplicitLod(t_float4, sampler, coords, mask, operands);
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mask | spv::ImageOperandsMask::Lod, v_float_zero,
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operands);
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}
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}
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return GetTextureElement(operation, texture, Type::Float);
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return GetTextureElement(operation, texture, Type::Float);
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}
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}
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@ -1601,7 +1609,8 @@ private:
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const Id lod = AsFloat(Visit(meta.lod));
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const Id lod = AsFloat(Visit(meta.lod));
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spv::ImageOperandsMask mask = spv::ImageOperandsMask::Lod;
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spv::ImageOperandsMask mask = spv::ImageOperandsMask::Lod;
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std::vector<Id> operands;
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std::vector<Id> operands{lod};
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if (!meta.aoffi.empty()) {
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if (!meta.aoffi.empty()) {
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mask = mask | spv::ImageOperandsMask::Offset;
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mask = mask | spv::ImageOperandsMask::Offset;
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operands.push_back(GetOffsetCoordinates(operation));
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operands.push_back(GetOffsetCoordinates(operation));
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@ -1609,11 +1618,10 @@ private:
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if (meta.sampler.IsShadow()) {
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if (meta.sampler.IsShadow()) {
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const Id dref = AsFloat(Visit(meta.depth_compare));
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const Id dref = AsFloat(Visit(meta.depth_compare));
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return {
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return {OpImageSampleDrefExplicitLod(t_float, sampler, coords, dref, mask, operands),
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OpImageSampleDrefExplicitLod(t_float, sampler, coords, dref, mask, lod, operands),
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Type::Float};
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Type::Float};
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}
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}
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const Id texture = OpImageSampleExplicitLod(t_float4, sampler, coords, mask, lod, operands);
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const Id texture = OpImageSampleExplicitLod(t_float4, sampler, coords, mask, operands);
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return GetTextureElement(operation, texture, Type::Float);
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return GetTextureElement(operation, texture, Type::Float);
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}
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}
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@ -1722,7 +1730,7 @@ private:
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const std::vector grad = {dx, dy};
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const std::vector grad = {dx, dy};
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static constexpr auto mask = spv::ImageOperandsMask::Grad;
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static constexpr auto mask = spv::ImageOperandsMask::Grad;
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const Id texture = OpImageSampleImplicitLod(t_float4, sampler, coords, mask, grad);
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const Id texture = OpImageSampleExplicitLod(t_float4, sampler, coords, mask, grad);
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return GetTextureElement(operation, texture, Type::Float);
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return GetTextureElement(operation, texture, Type::Float);
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}
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}
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@ -1833,7 +1841,7 @@ private:
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}
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}
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void PreExit() {
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void PreExit() {
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if (stage == ShaderType::Vertex) {
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if (stage == ShaderType::Vertex && specialization.ndc_minus_one_to_one) {
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const u32 position_index = out_indices.position.value();
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const u32 position_index = out_indices.position.value();
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const Id z_pointer = AccessElement(t_out_float, out_vertex, position_index, 2U);
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const Id z_pointer = AccessElement(t_out_float, out_vertex, position_index, 2U);
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const Id w_pointer = AccessElement(t_out_float, out_vertex, position_index, 3U);
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const Id w_pointer = AccessElement(t_out_float, out_vertex, position_index, 3U);
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@ -1860,12 +1868,18 @@ private:
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// rendertargets/components are skipped in the register assignment.
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// rendertargets/components are skipped in the register assignment.
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u32 current_reg = 0;
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u32 current_reg = 0;
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for (u32 rt = 0; rt < Maxwell::NumRenderTargets; ++rt) {
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for (u32 rt = 0; rt < Maxwell::NumRenderTargets; ++rt) {
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if (!specialization.enabled_rendertargets[rt]) {
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// Skip rendertargets that are not enabled
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continue;
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}
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// TODO(Subv): Figure out how dual-source blending is configured in the Switch.
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// TODO(Subv): Figure out how dual-source blending is configured in the Switch.
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for (u32 component = 0; component < 4; ++component) {
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for (u32 component = 0; component < 4; ++component) {
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const Id pointer = AccessElement(t_out_float, frag_colors.at(rt), component);
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if (header.ps.IsColorComponentOutputEnabled(rt, component)) {
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if (header.ps.IsColorComponentOutputEnabled(rt, component)) {
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OpStore(AccessElement(t_out_float, frag_colors.at(rt), component),
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OpStore(pointer, SafeGetRegister(current_reg));
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SafeGetRegister(current_reg));
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++current_reg;
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++current_reg;
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} else {
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OpStore(pointer, component == 3 ? v_float_one : v_float_zero);
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}
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}
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}
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}
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}
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}
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@ -1995,15 +2009,6 @@ private:
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return DeclareBuiltIn(builtin, spv::StorageClass::Input, type, std::move(name));
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return DeclareBuiltIn(builtin, spv::StorageClass::Input, type, std::move(name));
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}
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}
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bool IsRenderTargetUsed(u32 rt) const {
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for (u32 component = 0; component < 4; ++component) {
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if (header.ps.IsColorComponentOutputEnabled(rt, component)) {
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return true;
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}
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}
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return false;
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}
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template <typename... Args>
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template <typename... Args>
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Id AccessElement(Id pointer_type, Id composite, Args... elements_) {
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Id AccessElement(Id pointer_type, Id composite, Args... elements_) {
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std::vector<Id> members;
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std::vector<Id> members;
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@ -2567,7 +2572,7 @@ public:
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const Id target = decomp.Constant(decomp.t_uint, expr.value);
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const Id target = decomp.Constant(decomp.t_uint, expr.value);
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Id gpr = decomp.OpLoad(decomp.t_float, decomp.registers.at(expr.gpr));
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Id gpr = decomp.OpLoad(decomp.t_float, decomp.registers.at(expr.gpr));
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gpr = decomp.OpBitcast(decomp.t_uint, gpr);
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gpr = decomp.OpBitcast(decomp.t_uint, gpr);
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return decomp.OpLogicalEqual(decomp.t_uint, gpr, target);
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return decomp.OpIEqual(decomp.t_bool, gpr, target);
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}
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}
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Id Visit(const Expr& node) {
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Id Visit(const Expr& node) {
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@ -2637,11 +2642,11 @@ public:
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const Id loop_label = decomp.OpLabel();
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const Id loop_label = decomp.OpLabel();
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const Id endloop_label = decomp.OpLabel();
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const Id endloop_label = decomp.OpLabel();
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const Id loop_start_block = decomp.OpLabel();
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const Id loop_start_block = decomp.OpLabel();
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const Id loop_end_block = decomp.OpLabel();
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const Id loop_continue_block = decomp.OpLabel();
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current_loop_exit = endloop_label;
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current_loop_exit = endloop_label;
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decomp.OpBranch(loop_label);
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decomp.OpBranch(loop_label);
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decomp.AddLabel(loop_label);
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decomp.AddLabel(loop_label);
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decomp.OpLoopMerge(endloop_label, loop_end_block, spv::LoopControlMask::MaskNone);
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decomp.OpLoopMerge(endloop_label, loop_continue_block, spv::LoopControlMask::MaskNone);
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decomp.OpBranch(loop_start_block);
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decomp.OpBranch(loop_start_block);
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decomp.AddLabel(loop_start_block);
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decomp.AddLabel(loop_start_block);
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ASTNode current = ast.nodes.GetFirst();
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ASTNode current = ast.nodes.GetFirst();
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@ -2649,6 +2654,8 @@ public:
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Visit(current);
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Visit(current);
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current = current->GetNext();
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current = current->GetNext();
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}
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}
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decomp.OpBranch(loop_continue_block);
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decomp.AddLabel(loop_continue_block);
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ExprDecompiler expr_parser{decomp};
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ExprDecompiler expr_parser{decomp};
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const Id condition = expr_parser.Visit(ast.condition);
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const Id condition = expr_parser.Visit(ast.condition);
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decomp.OpBranchConditional(condition, loop_label, endloop_label);
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decomp.OpBranchConditional(condition, loop_label, endloop_label);
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@ -94,6 +94,7 @@ struct Specialization final {
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Maxwell::PrimitiveTopology primitive_topology{};
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Maxwell::PrimitiveTopology primitive_topology{};
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std::optional<float> point_size{};
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std::optional<float> point_size{};
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std::array<Maxwell::VertexAttribute::Type, Maxwell::NumVertexAttributes> attribute_types{};
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std::array<Maxwell::VertexAttribute::Type, Maxwell::NumVertexAttributes> attribute_types{};
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bool ndc_minus_one_to_one{};
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// Tessellation specific
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// Tessellation specific
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struct {
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struct {
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@ -101,6 +102,9 @@ struct Specialization final {
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Maxwell::TessellationSpacing spacing{};
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Maxwell::TessellationSpacing spacing{};
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bool clockwise{};
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bool clockwise{};
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} tessellation;
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} tessellation;
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// Fragment specific
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std::bitset<8> enabled_rendertargets;
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};
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};
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// Old gcc versions don't consider this trivially copyable.
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// Old gcc versions don't consider this trivially copyable.
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// static_assert(std::is_trivially_copyable_v<Specialization>);
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// static_assert(std::is_trivially_copyable_v<Specialization>);
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