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Merge pull request #6962 from vonchenplus/spirv_support_legacy_attribute

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renderer_vulkan: Spirv support glsl  legacy attribute
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bunnei 2021-09-08 14:04:44 -07:00 committed by GitHub
commit 7e9163779d
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 107 additions and 0 deletions
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56
src/shader_recompiler/backend/spirv/emit_context.cpp
View file

@ -15,6 +15,8 @@
namespace Shader::Backend::SPIRV {
namespace {
constexpr size_t NUM_FIXEDFNCTEXTURE = 10;
enum class Operation {
Increment,
Decrement,
@ -427,6 +429,16 @@ Id DescType(EmitContext& ctx, Id sampled_type, Id pointer_type, u32 count) {
return pointer_type;
}
}
size_t FindNextUnusedLocation(const 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)) {
return location;
}
}
throw RuntimeError("Unable to get an unused location for legacy attribute");
}
} // Anonymous namespace
void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name) {
@ -1227,6 +1239,7 @@ 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)) {
@ -1238,6 +1251,7 @@ 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));
@ -1263,6 +1277,26 @@ void EmitContext::DefineInputs(const IR::Program& program) {
break;
}
}
size_t previous_unused_location = 0;
if (loads.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
const size_t location = FindNextUnusedLocation(used_locations, previous_unused_location);
previous_unused_location = location;
used_locations.set(location);
const Id id{DefineInput(*this, F32[4], true)};
Decorate(id, spv::Decoration::Location, location);
input_front_color = id;
}
for (size_t index = 0; index < NUM_FIXEDFNCTEXTURE; ++index) {
if (loads.AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) {
const size_t location =
FindNextUnusedLocation(used_locations, previous_unused_location);
previous_unused_location = location;
used_locations.set(location);
const Id id{DefineInput(*this, F32[4], true)};
Decorate(id, spv::Decoration::Location, location);
input_fixed_fnc_textures[index] = id;
}
}
if (stage == Stage::TessellationEval) {
for (size_t index = 0; index < info.uses_patches.size(); ++index) {
if (!info.uses_patches[index]) {
@ -1313,9 +1347,31 @@ 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)) {
const size_t location = FindNextUnusedLocation(used_locations, previous_unused_location);
previous_unused_location = location;
used_locations.set(location);
const Id id{DefineOutput(*this, F32[4], invocations)};
Decorate(id, spv::Decoration::Location, static_cast<u32>(location));
output_front_color = id;
}
for (size_t index = 0; index < NUM_FIXEDFNCTEXTURE; ++index) {
if (info.stores.AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) {
const size_t location =
FindNextUnusedLocation(used_locations, previous_unused_location);
previous_unused_location = location;
used_locations.set(location);
const Id id{DefineOutput(*this, F32[4], invocations)};
Decorate(id, spv::Decoration::Location, location);
output_fixed_fnc_textures[index] = id;
}
}
switch (stage) {

4
src/shader_recompiler/backend/spirv/emit_context.h
View file

@ -268,10 +268,14 @@ public:
Id write_global_func_u32x4{};
Id input_position{};
Id input_front_color{};
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{};
std::array<Id, 10> output_fixed_fnc_textures{};
std::array<std::array<GenericElementInfo, 4>, 32> output_generics{};
Id output_tess_level_outer{};

47
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View file

@ -43,6 +43,25 @@ Id AttrPointer(EmitContext& ctx, Id pointer_type, Id vertex, Id base, Args&&...
}
}
bool IsFixedFncTexture(IR::Attribute attribute) {
return attribute >= IR::Attribute::FixedFncTexture0S &&
attribute <= IR::Attribute::FixedFncTexture9Q;
}
u32 FixedFncTextureAttributeIndex(IR::Attribute attribute) {
if (!IsFixedFncTexture(attribute)) {
throw InvalidArgument("Attribute {} is not a FixedFncTexture", attribute);
}
return (static_cast<u32>(attribute) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4u;
}
u32 FixedFncTextureAttributeElement(IR::Attribute attribute) {
if (!IsFixedFncTexture(attribute)) {
throw InvalidArgument("Attribute {} is not a FixedFncTexture", attribute);
}
return static_cast<u32>(attribute) % 4u;
}
template <typename... Args>
Id OutputAccessChain(EmitContext& ctx, Id result_type, Id base, Args&&... args) {
if (ctx.stage == Stage::TessellationControl) {
@ -74,6 +93,13 @@ std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
return OutputAccessChain(ctx, ctx.output_f32, info.id, index_id);
}
}
if (IsFixedFncTexture(attr)) {
const u32 index{FixedFncTextureAttributeIndex(attr)};
const u32 element{FixedFncTextureAttributeElement(attr)};
const Id element_id{ctx.Const(element)};
return OutputAccessChain(ctx, ctx.output_f32, ctx.output_fixed_fnc_textures[index],
element_id);
}
switch (attr) {
case IR::Attribute::PointSize:
return ctx.output_point_size;
@ -85,6 +111,14 @@ std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
const Id element_id{ctx.Const(element)};
return OutputAccessChain(ctx, ctx.output_f32, ctx.output_position, element_id);
}
case IR::Attribute::ColorFrontDiffuseR:
case IR::Attribute::ColorFrontDiffuseG:
case IR::Attribute::ColorFrontDiffuseB:
case IR::Attribute::ColorFrontDiffuseA: {
const u32 element{static_cast<u32>(attr) % 4};
const Id element_id{ctx.Const(element)};
return OutputAccessChain(ctx, ctx.output_f32, ctx.output_front_color, element_id);
}
case IR::Attribute::ClipDistance0:
case IR::Attribute::ClipDistance1:
case IR::Attribute::ClipDistance2:
@ -307,6 +341,12 @@ 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 (IsFixedFncTexture(attr)) {
const u32 index{FixedFncTextureAttributeIndex(attr)};
const Id attr_id{ctx.input_fixed_fnc_textures[index]};
const Id attr_ptr{AttrPointer(ctx, ctx.input_f32, vertex, attr_id, ctx.Const(element))};
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));
@ -316,6 +356,13 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
case IR::Attribute::PositionW:
return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position,
ctx.Const(element)));
case IR::Attribute::ColorFrontDiffuseR:
case IR::Attribute::ColorFrontDiffuseG:
case IR::Attribute::ColorFrontDiffuseB:
case IR::Attribute::ColorFrontDiffuseA: {
return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_front_color,
ctx.Const(element)));
}
case IR::Attribute::InstanceId:
if (ctx.profile.support_vertex_instance_id) {
return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.instance_id));