mirror of
https://github.com/yuzu-emu/yuzu-android
synced 2024-12-28 03:21:21 -08:00
7dafa96ab5
Put all varyings into a single std::bitset with helpers to access it. Implement passthrough geometry shaders using host's.
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
// Copyright 2021 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <bitset>
|
|
#include <cstddef>
|
|
|
|
#include "shader_recompiler/frontend/ir/attribute.h"
|
|
|
|
namespace Shader {
|
|
|
|
struct VaryingState {
|
|
std::bitset<256> mask{};
|
|
|
|
void Set(IR::Attribute attribute, bool state = true) {
|
|
mask[static_cast<size_t>(attribute)] = state;
|
|
}
|
|
|
|
[[nodiscard]] bool operator[](IR::Attribute attribute) const noexcept {
|
|
return mask[static_cast<size_t>(attribute)];
|
|
}
|
|
|
|
[[nodiscard]] bool AnyComponent(IR::Attribute base) const noexcept {
|
|
return mask[static_cast<size_t>(base) + 0] || mask[static_cast<size_t>(base) + 1] ||
|
|
mask[static_cast<size_t>(base) + 2] || mask[static_cast<size_t>(base) + 3];
|
|
}
|
|
|
|
[[nodiscard]] bool AllComponents(IR::Attribute base) const noexcept {
|
|
return mask[static_cast<size_t>(base) + 0] && mask[static_cast<size_t>(base) + 1] &&
|
|
mask[static_cast<size_t>(base) + 2] && mask[static_cast<size_t>(base) + 3];
|
|
}
|
|
|
|
[[nodiscard]] bool IsUniform(IR::Attribute base) const noexcept {
|
|
return AnyComponent(base) == AllComponents(base);
|
|
}
|
|
|
|
[[nodiscard]] bool Generic(size_t index, size_t component) const noexcept {
|
|
return mask[static_cast<size_t>(IR::Attribute::Generic0X) + index * 4 + component];
|
|
}
|
|
|
|
[[nodiscard]] bool Generic(size_t index) const noexcept {
|
|
return Generic(index, 0) || Generic(index, 1) || Generic(index, 2) || Generic(index, 3);
|
|
}
|
|
|
|
[[nodiscard]] bool ClipDistances() const noexcept {
|
|
return AnyComponent(IR::Attribute::ClipDistance0) ||
|
|
AnyComponent(IR::Attribute::ClipDistance4);
|
|
}
|
|
|
|
[[nodiscard]] bool Legacy() const noexcept {
|
|
return AnyComponent(IR::Attribute::ColorFrontDiffuseR) ||
|
|
AnyComponent(IR::Attribute::ColorFrontSpecularR) ||
|
|
AnyComponent(IR::Attribute::ColorBackDiffuseR) ||
|
|
AnyComponent(IR::Attribute::ColorBackSpecularR) || FixedFunctionTexture();
|
|
}
|
|
|
|
[[nodiscard]] bool FixedFunctionTexture() const noexcept {
|
|
for (size_t index = 0; index < 10; ++index) {
|
|
if (AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
} // namespace Shader
|