forked from suyu/suyu
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
|
// Copyright 2019 yuzu Emulator Project
|
||
|
// Licensed under GPLv2 or any later version
|
||
|
// Refer to the license.txt file included.
|
||
|
|
||
|
#pragma once
|
||
|
|
||
|
#include "common/assert.h"
|
||
|
#include "common/common_types.h"
|
||
|
#include "video_core/engines/maxwell_3d.h"
|
||
|
#include "video_core/shader/const_buffer_locker.h"
|
||
|
|
||
|
namespace VideoCommon::Shader {
|
||
|
|
||
|
ConstBufferLocker::ConstBufferLocker(Tegra::Engines::ShaderType shader_stage)
|
||
|
: engine{nullptr}, shader_stage{shader_stage} {}
|
||
|
|
||
|
ConstBufferLocker::ConstBufferLocker(Tegra::Engines::ShaderType shader_stage,
|
||
|
Tegra::Engines::ConstBufferEngineInterface* engine)
|
||
|
: engine{engine}, shader_stage{shader_stage} {}
|
||
|
|
||
|
bool ConstBufferLocker::IsEngineSet() const {
|
||
|
return engine != nullptr;
|
||
|
}
|
||
|
|
||
|
void ConstBufferLocker::SetEngine(Tegra::Engines::ConstBufferEngineInterface* engine_) {
|
||
|
engine = engine_;
|
||
|
}
|
||
|
|
||
|
std::optional<u32> ConstBufferLocker::ObtainKey(u32 buffer, u32 offset) {
|
||
|
const std::pair<u32, u32> key = {buffer, offset};
|
||
|
const auto iter = keys.find(key);
|
||
|
if (iter != keys.end()) {
|
||
|
return {iter->second};
|
||
|
}
|
||
|
if (!IsEngineSet()) {
|
||
|
return {};
|
||
|
}
|
||
|
const u32 value = engine->AccessConstBuffer32(shader_stage, buffer, offset);
|
||
|
keys.emplace(key, value);
|
||
|
return {value};
|
||
|
}
|
||
|
|
||
|
void ConstBufferLocker::InsertKey(u32 buffer, u32 offset, u32 value) {
|
||
|
const std::pair<u32, u32> key = {buffer, offset};
|
||
|
keys[key] = value;
|
||
|
}
|
||
|
|
||
|
u32 ConstBufferLocker::NumKeys() const {
|
||
|
return keys.size();
|
||
|
}
|
||
|
|
||
|
const std::unordered_map<std::pair<u32, u32>, u32, Common::PairHash>&
|
||
|
ConstBufferLocker::AccessKeys() const {
|
||
|
return keys;
|
||
|
}
|
||
|
|
||
|
bool ConstBufferLocker::AreKeysConsistant() const {
|
||
|
if (!IsEngineSet()) {
|
||
|
return false;
|
||
|
}
|
||
|
for (const auto& key_val : keys) {
|
||
|
const std::pair<u32, u32> key = key_val.first;
|
||
|
const u32 value = key_val.second;
|
||
|
const u32 other_value = engine->AccessConstBuffer32(shader_stage, key.first, key.second);
|
||
|
if (other_value != value) {
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
} // namespace VideoCommon::Shader
|