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Merge pull request #7375 from vonchenplus/convert_legacy

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Convert all legacy attributes to generic attributes
This commit is contained in:
Fernando S 2021-12-22 17:36:05 +01:00 committed by GitHub
commit 648c7b4ed6
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 109 additions and 293 deletions
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2
src/shader_recompiler/backend/glsl/emit_glsl.cpp
View file

@ -176,7 +176,7 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
}
std::string GlslVersionSpecifier(const EmitContext& ctx) {
if (ctx.uses_y_direction || ctx.info.stores.Legacy() || ctx.info.loads.Legacy()) {
if (ctx.uses_y_direction) {
return " compatibility";
}
return "";

64
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
View file

@ -98,10 +98,6 @@ void GetCbuf16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const
GetCbuf(ctx, ret, binding, offset, 16, cast, bit_offset);
}
}
u32 TexCoordIndex(IR::Attribute attr) {
return (static_cast<u32>(attr) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
}
} // Anonymous namespace
void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
@ -190,18 +186,6 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
ctx.AddF32("{}=in_attr{}{}.{};", inst, index, InputVertexIndex(ctx, vertex), swizzle);
return;
}
// GLSL only exposes 8 legacy texcoords
if (attr >= IR::Attribute::FixedFncTexture8S && attr <= IR::Attribute::FixedFncTexture9Q) {
LOG_WARNING(Shader_GLSL, "GLSL does not allow access to gl_TexCoord[{}]",
TexCoordIndex(attr));
ctx.AddF32("{}=0.f;", inst);
return;
}
if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture7Q) {
const u32 index{TexCoordIndex(attr)};
ctx.AddF32("{}=gl_TexCoord[{}].{};", inst, index, swizzle);
return;
}
switch (attr) {
case IR::Attribute::PrimitiveId:
ctx.AddF32("{}=itof(gl_PrimitiveID);", inst);
@ -215,16 +199,6 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
ctx.AddF32("{}={}{}.{};", inst, input_decorator, ctx.position_name, swizzle);
break;
}
case IR::Attribute::ColorFrontDiffuseR:
case IR::Attribute::ColorFrontDiffuseG:
case IR::Attribute::ColorFrontDiffuseB:
case IR::Attribute::ColorFrontDiffuseA:
if (ctx.stage == Stage::Fragment) {
ctx.AddF32("{}=gl_Color.{};", inst, swizzle);
} else {
ctx.AddF32("{}=gl_FrontColor.{};", inst, swizzle);
}
break;
case IR::Attribute::PointSpriteS:
case IR::Attribute::PointSpriteT:
ctx.AddF32("{}=gl_PointCoord.{};", inst, swizzle);
@ -264,17 +238,6 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
}
const u32 element{static_cast<u32>(attr) % 4};
const char swizzle{"xyzw"[element]};
// GLSL only exposes 8 legacy texcoords
if (attr >= IR::Attribute::FixedFncTexture8S && attr <= IR::Attribute::FixedFncTexture9Q) {
LOG_WARNING(Shader_GLSL, "GLSL does not allow access to gl_TexCoord[{}]",
TexCoordIndex(attr));
return;
}
if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture7Q) {
const u32 index{TexCoordIndex(attr)};
ctx.Add("gl_TexCoord[{}].{}={};", index, swizzle, value);
return;
}
switch (attr) {
case IR::Attribute::Layer:
if (ctx.stage != Stage::Geometry &&
@ -312,33 +275,6 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
case IR::Attribute::PositionW:
ctx.Add("gl_Position.{}={};", swizzle, value);
break;
case IR::Attribute::ColorFrontDiffuseR:
case IR::Attribute::ColorFrontDiffuseG:
case IR::Attribute::ColorFrontDiffuseB:
case IR::Attribute::ColorFrontDiffuseA:
ctx.Add("gl_FrontColor.{}={};", swizzle, value);
break;
case IR::Attribute::ColorFrontSpecularR:
case IR::Attribute::ColorFrontSpecularG:
case IR::Attribute::ColorFrontSpecularB:
case IR::Attribute::ColorFrontSpecularA:
ctx.Add("gl_FrontSecondaryColor.{}={};", swizzle, value);
break;
case IR::Attribute::ColorBackDiffuseR:
case IR::Attribute::ColorBackDiffuseG:
case IR::Attribute::ColorBackDiffuseB:
case IR::Attribute::ColorBackDiffuseA:
ctx.Add("gl_BackColor.{}={};", swizzle, value);
break;
case IR::Attribute::ColorBackSpecularR:
case IR::Attribute::ColorBackSpecularG:
case IR::Attribute::ColorBackSpecularB:
case IR::Attribute::ColorBackSpecularA:
ctx.Add("gl_BackSecondaryColor.{}={};", swizzle, value);
break;
case IR::Attribute::FogCoordinate:
ctx.Add("gl_FogFragCoord={};", value);
break;
case IR::Attribute::ClipDistance0:
case IR::Attribute::ClipDistance1:
case IR::Attribute::ClipDistance2:

38
src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
View file

@ -211,27 +211,6 @@ std::string_view OutputPrimitive(OutputTopology topology) {
throw InvalidArgument("Invalid output topology {}", topology);
}
void SetupLegacyOutPerVertex(EmitContext& ctx, std::string& header) {
if (!ctx.info.stores.Legacy()) {
return;
}
if (ctx.info.stores.FixedFunctionTexture()) {
header += "vec4 gl_TexCoord[8];";
}
if (ctx.info.stores.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
header += "vec4 gl_FrontColor;";
}
if (ctx.info.stores.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
header += "vec4 gl_FrontSecondaryColor;";
}
if (ctx.info.stores.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
header += "vec4 gl_BackColor;";
}
if (ctx.info.stores.AnyComponent(IR::Attribute::ColorBackSpecularR)) {
header += "vec4 gl_BackSecondaryColor;";
}
}
void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
if (!StoresPerVertexAttributes(ctx.stage)) {
return;
@ -250,7 +229,6 @@ void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
ctx.profile.support_viewport_index_layer_non_geometry && ctx.stage != Stage::Geometry) {
header += "int gl_ViewportIndex;";
}
SetupLegacyOutPerVertex(ctx, header);
header += "};";
if (ctx.info.stores[IR::Attribute::ViewportIndex] && ctx.stage == Stage::Geometry) {
header += "out int gl_ViewportIndex;";
@ -282,21 +260,6 @@ void SetupInPerVertex(EmitContext& ctx, std::string& header) {
}
header += "}gl_in[gl_MaxPatchVertices];";
}
void SetupLegacyInPerFragment(EmitContext& ctx, std::string& header) {
if (!ctx.info.loads.Legacy()) {
return;
}
header += "in gl_PerFragment{";
if (ctx.info.loads.FixedFunctionTexture()) {
header += "vec4 gl_TexCoord[8];";
}
if (ctx.info.loads.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
header += "vec4 gl_Color;";
}
header += "};";
}
} // Anonymous namespace
EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
@ -361,7 +324,6 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
}
SetupOutPerVertex(*this, header);
SetupInPerVertex(*this, header);
SetupLegacyInPerFragment(*this, header);
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
if (!info.loads.Generic(index) || !runtime_info.previous_stage_stores.Generic(index)) {

31
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View file

@ -44,14 +44,6 @@ Id AttrPointer(EmitContext& ctx, Id pointer_type, Id vertex, Id base, Args&&...
}
}
bool IsLegacyAttribute(IR::Attribute attribute) {
return (attribute >= IR::Attribute::ColorFrontDiffuseR &&
attribute <= IR::Attribute::ColorBackSpecularA) ||
attribute == IR::Attribute::FogCoordinate ||
(attribute >= IR::Attribute::FixedFncTexture0S &&
attribute <= IR::Attribute::FixedFncTexture9Q);
}
template <typename... Args>
Id OutputAccessChain(EmitContext& ctx, Id result_type, Id base, Args&&... args) {
if (ctx.stage == Stage::TessellationControl) {
@ -83,17 +75,6 @@ std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
return OutputAccessChain(ctx, ctx.output_f32, info.id, index_id);
}
}
if (IsLegacyAttribute(attr)) {
if (attr == IR::Attribute::FogCoordinate) {
return OutputAccessChain(ctx, ctx.output_f32, ctx.OutputLegacyAttribute(attr),
ctx.Const(0u));
} else {
const u32 element{static_cast<u32>(attr) % 4};
const Id element_id{ctx.Const(element)};
return OutputAccessChain(ctx, ctx.output_f32, ctx.OutputLegacyAttribute(attr),
element_id);
}
}
switch (attr) {
case IR::Attribute::PointSize:
return ctx.output_point_size;
@ -327,18 +308,6 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
const Id value{ctx.OpLoad(type->id, pointer)};
return type->needs_cast ? ctx.OpBitcast(ctx.F32[1], value) : value;
}
if (IsLegacyAttribute(attr)) {
if (attr == IR::Attribute::FogCoordinate) {
const Id attr_ptr{AttrPointer(ctx, ctx.input_f32, vertex,
ctx.InputLegacyAttribute(attr), ctx.Const(0u))};
return ctx.OpLoad(ctx.F32[1], attr_ptr);
} else {
const Id element_id{ctx.Const(element)};
const Id attr_ptr{AttrPointer(ctx, ctx.input_f32, vertex,
ctx.InputLegacyAttribute(attr), element_id)};
return ctx.OpLoad(ctx.F32[1], attr_ptr);
}
}
switch (attr) {
case IR::Attribute::PrimitiveId:
return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.primitive_id));

143
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
View file

@ -18,8 +18,6 @@
namespace Shader::Backend::SPIRV {
namespace {
constexpr size_t NUM_FIXEDFNCTEXTURE = 10;
enum class Operation {
Increment,
Decrement,
@ -432,34 +430,6 @@ Id DescType(EmitContext& ctx, Id sampled_type, Id pointer_type, u32 count) {
return pointer_type;
}
}
size_t FindAndSetNextUnusedLocation(std::bitset<IR::NUM_GENERICS>& used_locations,
size_t& start_offset) {
for (size_t location = start_offset; location < used_locations.size(); ++location) {
if (!used_locations.test(location)) {
start_offset = location;
used_locations.set(location);
return location;
}
}
throw RuntimeError("Unable to get an unused location for legacy attribute");
}
Id DefineLegacyInput(EmitContext& ctx, std::bitset<IR::NUM_GENERICS>& used_locations,
size_t& start_offset) {
const Id id{DefineInput(ctx, ctx.F32[4], true)};
const size_t location = FindAndSetNextUnusedLocation(used_locations, start_offset);
ctx.Decorate(id, spv::Decoration::Location, location);
return id;
}
Id DefineLegacyOutput(EmitContext& ctx, std::bitset<IR::NUM_GENERICS>& used_locations,
size_t& start_offset, std::optional<u32> invocations) {
const Id id{DefineOutput(ctx, ctx.F32[4], invocations)};
const size_t location = FindAndSetNextUnusedLocation(used_locations, start_offset);
ctx.Decorate(id, spv::Decoration::Location, location);
return id;
}
} // Anonymous namespace
void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name) {
@ -543,64 +513,6 @@ Id EmitContext::BitOffset16(const IR::Value& offset) {
return OpBitwiseAnd(U32[1], OpShiftLeftLogical(U32[1], Def(offset), Const(3u)), Const(16u));
}
Id EmitContext::InputLegacyAttribute(IR::Attribute attribute) {
if (attribute >= IR::Attribute::ColorFrontDiffuseR &&
attribute <= IR::Attribute::ColorFrontDiffuseA) {
return input_front_color;
}
if (attribute >= IR::Attribute::ColorFrontSpecularR &&
attribute <= IR::Attribute::ColorFrontSpecularA) {
return input_front_secondary_color;
}
if (attribute >= IR::Attribute::ColorBackDiffuseR &&
attribute <= IR::Attribute::ColorBackDiffuseA) {
return input_back_color;
}
if (attribute >= IR::Attribute::ColorBackSpecularR &&
attribute <= IR::Attribute::ColorBackSpecularA) {
return input_back_secondary_color;
}
if (attribute == IR::Attribute::FogCoordinate) {
return input_fog_frag_coord;
}
if (attribute >= IR::Attribute::FixedFncTexture0S &&
attribute <= IR::Attribute::FixedFncTexture9Q) {
u32 index =
(static_cast<u32>(attribute) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
return input_fixed_fnc_textures[index];
}
throw InvalidArgument("Attribute is not legacy attribute {}", attribute);
}
Id EmitContext::OutputLegacyAttribute(IR::Attribute attribute) {
if (attribute >= IR::Attribute::ColorFrontDiffuseR &&
attribute <= IR::Attribute::ColorFrontDiffuseA) {
return output_front_color;
}
if (attribute >= IR::Attribute::ColorFrontSpecularR &&
attribute <= IR::Attribute::ColorFrontSpecularA) {
return output_front_secondary_color;
}
if (attribute >= IR::Attribute::ColorBackDiffuseR &&
attribute <= IR::Attribute::ColorBackDiffuseA) {
return output_back_color;
}
if (attribute >= IR::Attribute::ColorBackSpecularR &&
attribute <= IR::Attribute::ColorBackSpecularA) {
return output_back_secondary_color;
}
if (attribute == IR::Attribute::FogCoordinate) {
return output_fog_frag_coord;
}
if (attribute >= IR::Attribute::FixedFncTexture0S &&
attribute <= IR::Attribute::FixedFncTexture9Q) {
u32 index =
(static_cast<u32>(attribute) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
return output_fixed_fnc_textures[index];
}
throw InvalidArgument("Attribute is not legacy attribute {}", attribute);
}
void EmitContext::DefineCommonTypes(const Info& info) {
void_id = TypeVoid();
@ -1389,7 +1301,6 @@ void EmitContext::DefineInputs(const IR::Program& program) {
loads[IR::Attribute::TessellationEvaluationPointV]) {
tess_coord = DefineInput(*this, F32[3], false, spv::BuiltIn::TessCoord);
}
std::bitset<IR::NUM_GENERICS> used_locations{};
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
const AttributeType input_type{runtime_info.generic_input_types[index]};
if (!runtime_info.previous_stage_stores.Generic(index)) {
@ -1401,7 +1312,6 @@ void EmitContext::DefineInputs(const IR::Program& program) {
if (input_type == AttributeType::Disabled) {
continue;
}
used_locations.set(index);
const Id type{GetAttributeType(*this, input_type)};
const Id id{DefineInput(*this, type, true)};
Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
@ -1427,30 +1337,6 @@ void EmitContext::DefineInputs(const IR::Program& program) {
break;
}
}
size_t previous_unused_location = 0;
if (loads.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
input_front_color = DefineLegacyInput(*this, used_locations, previous_unused_location);
}
if (loads.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
input_front_secondary_color =
DefineLegacyInput(*this, used_locations, previous_unused_location);
}
if (loads.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
input_back_color = DefineLegacyInput(*this, used_locations, previous_unused_location);
}
if (loads.AnyComponent(IR::Attribute::ColorBackSpecularR)) {
input_back_secondary_color =
DefineLegacyInput(*this, used_locations, previous_unused_location);
}
if (loads.AnyComponent(IR::Attribute::FogCoordinate)) {
input_fog_frag_coord = DefineLegacyInput(*this, used_locations, previous_unused_location);
}
for (size_t index = 0; index < NUM_FIXEDFNCTEXTURE; ++index) {
if (loads.AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) {
input_fixed_fnc_textures[index] =
DefineLegacyInput(*this, used_locations, previous_unused_location);
}
}
if (stage == Stage::TessellationEval) {
for (size_t index = 0; index < info.uses_patches.size(); ++index) {
if (!info.uses_patches[index]) {
@ -1501,38 +1387,9 @@ void EmitContext::DefineOutputs(const IR::Program& program) {
viewport_mask = DefineOutput(*this, TypeArray(U32[1], Const(1u)), std::nullopt,
spv::BuiltIn::ViewportMaskNV);
}
std::bitset<IR::NUM_GENERICS> used_locations{};
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
if (info.stores.Generic(index)) {
DefineGenericOutput(*this, index, invocations);
used_locations.set(index);
}
}
size_t previous_unused_location = 0;
if (info.stores.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
output_front_color =
DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
}
if (info.stores.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
output_front_secondary_color =
DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
}
if (info.stores.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
output_back_color =
DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
}
if (info.stores.AnyComponent(IR::Attribute::ColorBackSpecularR)) {
output_back_secondary_color =
DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
}
if (info.stores.AnyComponent(IR::Attribute::FogCoordinate)) {
output_fog_frag_coord =
DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
}
for (size_t index = 0; index < NUM_FIXEDFNCTEXTURE; ++index) {
if (info.stores.AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) {
output_fixed_fnc_textures[index] =
DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
}
}
switch (stage) {

15
src/shader_recompiler/backend/spirv/spirv_emit_context.h
View file

@ -113,9 +113,6 @@ public:
[[nodiscard]] Id BitOffset8(const IR::Value& offset);
[[nodiscard]] Id BitOffset16(const IR::Value& offset);
Id InputLegacyAttribute(IR::Attribute attribute);
Id OutputLegacyAttribute(IR::Attribute attribute);
Id Const(u32 value) {
return Constant(U32[1], value);
}
@ -281,22 +278,10 @@ public:
Id write_global_func_u32x4{};
Id input_position{};
Id input_front_color{};
Id input_front_secondary_color{};
Id input_back_color{};
Id input_back_secondary_color{};
Id input_fog_frag_coord{};
std::array<Id, 10> input_fixed_fnc_textures{};
std::array<Id, 32> input_generics{};
Id output_point_size{};
Id output_position{};
Id output_front_color{};
Id output_front_secondary_color{};
Id output_back_color{};
Id output_back_secondary_color{};
Id output_fog_frag_coord{};
std::array<Id, 10> output_fixed_fnc_textures{};
std::array<std::array<GenericElementInfo, 4>, 32> output_generics{};
Id output_tess_level_outer{};

2
src/shader_recompiler/frontend/ir/attribute.h
View file

@ -224,6 +224,8 @@ enum class Attribute : u64 {
constexpr size_t NUM_GENERICS = 32;
constexpr size_t NUM_FIXEDFNCTEXTURE = 10;
[[nodiscard]] bool IsGeneric(Attribute attribute) noexcept;
[[nodiscard]] u32 GenericAttributeIndex(Attribute attribute);

95
src/shader_recompiler/frontend/maxwell/translate_program.cpp
View file

@ -5,6 +5,7 @@
#include <algorithm>
#include <memory>
#include <vector>
#include <queue>
#include "common/settings.h"
#include "shader_recompiler/exception.h"
@ -127,6 +128,42 @@ void AddNVNStorageBuffers(IR::Program& program) {
});
}
}
bool IsLegacyAttribute(IR::Attribute attribute) {
return (attribute >= IR::Attribute::ColorFrontDiffuseR &&
attribute <= IR::Attribute::ColorBackSpecularA) ||
attribute == IR::Attribute::FogCoordinate ||
(attribute >= IR::Attribute::FixedFncTexture0S &&
attribute <= IR::Attribute::FixedFncTexture9Q);
}
std::map<IR::Attribute, IR::Attribute> GenerateLegacyToGenericMappings(
const VaryingState& state, std::queue<IR::Attribute> ununsed_generics) {
std::map<IR::Attribute, IR::Attribute> mapping;
for (size_t index = 0; index < 4; ++index) {
auto attr = IR::Attribute::ColorFrontDiffuseR + index * 4;
if (state.AnyComponent(attr)) {
for (size_t i = 0; i < 4; ++i) {
mapping.insert({attr + i, ununsed_generics.front() + i});
}
ununsed_generics.pop();
}
}
if (state[IR::Attribute::FogCoordinate]) {
mapping.insert({IR::Attribute::FogCoordinate, ununsed_generics.front()});
ununsed_generics.pop();
}
for (size_t index = 0; index < IR::NUM_FIXEDFNCTEXTURE; ++index) {
auto attr = IR::Attribute::FixedFncTexture0S + index * 4;
if (state.AnyComponent(attr)) {
for (size_t i = 0; i < 4; ++i) {
mapping.insert({attr + i, ununsed_generics.front() + i});
}
ununsed_generics.pop();
}
}
return mapping;
}
} // Anonymous namespace
IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
@ -226,4 +263,62 @@ IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b
return result;
}
void ConvertLegacyToGeneric(IR::Program& program, const Shader::RuntimeInfo& runtime_info) {
auto& stores = program.info.stores;
if (stores.Legacy()) {
std::queue<IR::Attribute> ununsed_output_generics{};
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
if (!stores.Generic(index)) {
ununsed_output_generics.push(IR::Attribute::Generic0X + index * 4);
}
}
auto mappings = GenerateLegacyToGenericMappings(stores, ununsed_output_generics);
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
switch (inst.GetOpcode()) {
case IR::Opcode::SetAttribute: {
const auto attr = inst.Arg(0).Attribute();
if (IsLegacyAttribute(attr)) {
stores.Set(mappings[attr], true);
inst.SetArg(0, Shader::IR::Value(mappings[attr]));
}
break;
}
default:
break;
}
}
}
}
auto& loads = program.info.loads;
if (loads.Legacy()) {
std::queue<IR::Attribute> ununsed_input_generics{};
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
const AttributeType input_type{runtime_info.generic_input_types[index]};
if (!runtime_info.previous_stage_stores.Generic(index) || !loads.Generic(index) ||
input_type == AttributeType::Disabled) {
ununsed_input_generics.push(IR::Attribute::Generic0X + index * 4);
}
}
auto mappings = GenerateLegacyToGenericMappings(loads, ununsed_input_generics);
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
switch (inst.GetOpcode()) {
case IR::Opcode::GetAttribute: {
const auto attr = inst.Arg(0).Attribute();
if (IsLegacyAttribute(attr)) {
loads.Set(mappings[attr], true);
inst.SetArg(0, Shader::IR::Value(mappings[attr]));
}
break;
}
default:
break;
}
}
}
}
}
} // namespace Shader::Maxwell

4
src/shader_recompiler/frontend/maxwell/translate_program.h
View file

@ -10,6 +10,7 @@
#include "shader_recompiler/frontend/maxwell/control_flow.h"
#include "shader_recompiler/host_translate_info.h"
#include "shader_recompiler/object_pool.h"
#include "shader_recompiler/runtime_info.h"
namespace Shader::Maxwell {
@ -20,4 +21,7 @@ namespace Shader::Maxwell {
[[nodiscard]] IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b,
Environment& env_vertex_b);
[[nodiscard]] void ConvertLegacyToGeneric(IR::Program& program,
const Shader::RuntimeInfo& runtime_info);
} // namespace Shader::Maxwell

3
src/shader_recompiler/varying_state.h
View file

@ -53,7 +53,8 @@ struct VaryingState {
return AnyComponent(IR::Attribute::ColorFrontDiffuseR) ||
AnyComponent(IR::Attribute::ColorFrontSpecularR) ||
AnyComponent(IR::Attribute::ColorBackDiffuseR) ||
AnyComponent(IR::Attribute::ColorBackSpecularR) || FixedFunctionTexture();
AnyComponent(IR::Attribute::ColorBackSpecularR) || FixedFunctionTexture() ||
mask[static_cast<size_t>(IR::Attribute::FogCoordinate)];
}
[[nodiscard]] bool FixedFunctionTexture() const noexcept {

3
src/video_core/renderer_opengl/gl_shader_cache.cpp
View file

@ -42,6 +42,7 @@ namespace {
using Shader::Backend::GLASM::EmitGLASM;
using Shader::Backend::GLSL::EmitGLSL;
using Shader::Backend::SPIRV::EmitSPIRV;
using Shader::Maxwell::ConvertLegacyToGeneric;
using Shader::Maxwell::MergeDualVertexPrograms;
using Shader::Maxwell::TranslateProgram;
using VideoCommon::ComputeEnvironment;
@ -462,12 +463,14 @@ std::unique_ptr<GraphicsPipeline> ShaderCache::CreateGraphicsPipeline(
MakeRuntimeInfo(key, program, previous_program, glasm_use_storage_buffers, use_glasm)};
switch (device.GetShaderBackend()) {
case Settings::ShaderBackend::GLSL:
ConvertLegacyToGeneric(program, runtime_info);
sources[stage_index] = EmitGLSL(profile, runtime_info, program, binding);
break;
case Settings::ShaderBackend::GLASM:
sources[stage_index] = EmitGLASM(profile, runtime_info, program, binding);
break;
case Settings::ShaderBackend::SPIRV:
ConvertLegacyToGeneric(program, runtime_info);
sources_spirv[stage_index] = EmitSPIRV(profile, runtime_info, program, binding);
break;
}

2
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
View file

@ -48,6 +48,7 @@ MICROPROFILE_DECLARE(Vulkan_PipelineCache);
namespace {
using Shader::Backend::SPIRV::EmitSPIRV;
using Shader::Maxwell::ConvertLegacyToGeneric;
using Shader::Maxwell::MergeDualVertexPrograms;
using Shader::Maxwell::TranslateProgram;
using VideoCommon::ComputeEnvironment;
@ -543,6 +544,7 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
infos[stage_index] = &program.info;
const auto runtime_info{MakeRuntimeInfo(programs, key, program, previous_stage)};
ConvertLegacyToGeneric(program, runtime_info);
const std::vector<u32> code{EmitSPIRV(profile, runtime_info, program, binding)};
device.SaveShader(code);
modules[stage_index] = BuildShader(device, code);