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Re-implement get unused location

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This commit is contained in:
Feng Chen 2021-09-07 13:21:17 +08:00
parent 9cdf2383e9
commit e5ca733722
1 changed files with 30 additions and 30 deletions
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60
src/shader_recompiler/backend/spirv/emit_context.cpp
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@ -6,7 +6,6 @@
#include <array>
#include <climits>
#include <string_view>
#include <queue>
#include <fmt/format.h>
@ -430,6 +429,16 @@ Id DescType(EmitContext& ctx, Id sampled_type, Id pointer_type, u32 count) {
}
constexpr size_t NUM_FIXEDFNCTEXTURE = 10;
size_t FindFistUnUsedLocation(const auto& used_location) {
if (used_location.all()) {
throw RuntimeError("Unable to get an unused location");
}
size_t location = 0;
while (location < used_location.size() && used_location.test(location))
++location;
return location;
}
} // Anonymous namespace
void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name) {
@ -1230,15 +1239,19 @@ void EmitContext::DefineInputs(const IR::Program& program) {
loads[IR::Attribute::TessellationEvaluationPointV]) {
tess_coord = DefineInput(*this, F32[3], false, spv::BuiltIn::TessCoord);
}
std::queue<u32> ununsed_location;
std::bitset<IR::NUM_GENERICS> used_location;
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_location.push(static_cast<u32>(index));
if (!runtime_info.previous_stage_stores.Generic(index)) {
continue;
}
if (!loads.Generic(index)) {
continue;
}
if (input_type == AttributeType::Disabled) {
continue;
}
used_location.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));
@ -1265,22 +1278,16 @@ void EmitContext::DefineInputs(const IR::Program& program) {
}
}
if (loads.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
if (ununsed_location.empty()) {
throw RuntimeError("Unable to get an unused location");
}
u32 location = ununsed_location.front();
ununsed_location.pop();
size_t location = FindFistUnUsedLocation(used_location);
used_location.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)) {
if (ununsed_location.empty()) {
throw RuntimeError("Unable to get an unused location");
}
u32 location = ununsed_location.front();
ununsed_location.pop();
size_t location = FindFistUnUsedLocation(used_location);
used_location.set(location);
const Id id{DefineInput(*this, F32[4], true)};
Decorate(id, spv::Decoration::Location, location);
input_fixed_fnc_textures[index] = id;
@ -1336,31 +1343,24 @@ void EmitContext::DefineOutputs(const IR::Program& program) {
viewport_mask = DefineOutput(*this, TypeArray(U32[1], Const(1u)), std::nullopt,
spv::BuiltIn::ViewportMaskNV);
}
std::queue<u32> ununsed_location;
std::bitset<IR::NUM_GENERICS> used_location;
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
if (info.stores.Generic(index)) {
DefineGenericOutput(*this, index, invocations);
} else {
ununsed_location.push(static_cast<u32>(index));
used_location.set(index);
}
}
if (info.stores.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
if (ununsed_location.empty()) {
throw RuntimeError("Unable to get an unused location");
}
u32 location = ununsed_location.front();
ununsed_location.pop();
size_t location = FindFistUnUsedLocation(used_location);
used_location.set(location);
const Id id{DefineOutput(*this, F32[4], invocations)};
Decorate(id, spv::Decoration::Location, location);
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)) {
if (ununsed_location.empty()) {
throw RuntimeError("Unable to get an unused location");
}
u32 location = ununsed_location.front();
ununsed_location.pop();
size_t location = FindFistUnUsedLocation(used_location);
used_location.set(location);
const Id id{DefineOutput(*this, F32[4], invocations)};
Decorate(id, spv::Decoration::Location, location);
output_fixed_fnc_textures[index] = id;