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author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2019-09-23 20:02:02 +0200 |
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committer | FernandoS27 <fsahmkow27@gmail.com> | 2019-10-25 15:01:29 +0200 |
commit | 1a58f45d76fe7756dd365e099d1536da769c1eab (patch) | |
tree | 668a61e870c57249edf94ba2e2002d3ace18b118 /src/video_core/shader | |
parent | Shader_IR: Implement BRX tracking. (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/shader/const_buffer_locker.cpp | 72 | ||||
-rw-r--r-- | src/video_core/shader/const_buffer_locker.h | 50 | ||||
-rw-r--r-- | src/video_core/shader/shader_ir.h | 1 |
3 files changed, 123 insertions, 0 deletions
diff --git a/src/video_core/shader/const_buffer_locker.cpp b/src/video_core/shader/const_buffer_locker.cpp new file mode 100644 index 000000000..6a9e0ed5e --- /dev/null +++ b/src/video_core/shader/const_buffer_locker.cpp @@ -0,0 +1,72 @@ +// 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 diff --git a/src/video_core/shader/const_buffer_locker.h b/src/video_core/shader/const_buffer_locker.h new file mode 100644 index 000000000..39e62584d --- /dev/null +++ b/src/video_core/shader/const_buffer_locker.h @@ -0,0 +1,50 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <unordered_map> +#include "common/common_types.h" +#include "common/hash.h" +#include "video_core/engines/const_buffer_engine_interface.h" + +namespace VideoCommon::Shader { + +class ConstBufferLocker { +public: + explicit ConstBufferLocker(Tegra::Engines::ShaderType shader_stage); + + explicit ConstBufferLocker(Tegra::Engines::ShaderType shader_stage, + Tegra::Engines::ConstBufferEngineInterface* engine); + + // Checks if an engine is setup, it may be possible that during disk shader + // cache run, the engines have not been created yet. + bool IsEngineSet() const; + + // Use this to set/change the engine used for this shader. + void SetEngine(Tegra::Engines::ConstBufferEngineInterface* engine); + + // Retrieves a key from the locker, if it's registered, it will give the + // registered value, if not it will obtain it from maxwell3d and register it. + std::optional<u32> ObtainKey(u32 buffer, u32 offset); + + // Manually inserts a key. + void InsertKey(u32 buffer, u32 offset, u32 value); + + // Retrieves the number of keys registered. + u32 NumKeys() const; + + // Gives an accessor to the key's database. + const std::unordered_map<std::pair<u32, u32>, u32, Common::PairHash>& AccessKeys() const; + + // Checks keys against maxwell3d's current const buffers. Returns true if they + // are the same value, false otherwise; + bool AreKeysConsistant() const; + +private: + Tegra::Engines::ConstBufferEngineInterface* engine; + Tegra::Engines::ShaderType shader_stage; + std::unordered_map<std::pair<u32, u32>, u32, Common::PairHash> keys{}; +}; +} // namespace VideoCommon::Shader diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h index 91cd0a534..68818643c 100644 --- a/src/video_core/shader/shader_ir.h +++ b/src/video_core/shader/shader_ir.h @@ -17,6 +17,7 @@ #include "video_core/engines/shader_header.h" #include "video_core/shader/ast.h" #include "video_core/shader/compiler_settings.h" +#include "video_core/shader/const_buffer_locker.h" #include "video_core/shader/node.h" namespace VideoCommon::Shader { |