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command_processor: Use std::array for bound_engines. 

subchannel is a 3 bit field. So there must not be more than 8 bound engines.
And using a hashmap for up to 8 values is a bit overpowered.
This commit is contained in:
Markus Wick 2018-09-04 13:54:50 +02:00
parent 1c5636e690
commit 2081ed7db2
2 changed files with 4 additions and 4 deletions
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4
src/video_core/command_processor.cpp
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@ -34,6 +34,8 @@ void GPU::WriteReg(u32 method, u32 subchannel, u32 value, u32 remaining_params)
"{:08X} remaining params {}", "{:08X} remaining params {}",
method, subchannel, value, remaining_params); method, subchannel, value, remaining_params);
ASSERT(subchannel < bound_engines.size());
if (method == static_cast<u32>(BufferMethods::BindObject)) { if (method == static_cast<u32>(BufferMethods::BindObject)) {
// Bind the current subchannel to the desired engine id. // Bind the current subchannel to the desired engine id.
LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {}", subchannel, value); LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {}", subchannel, value);
@ -47,8 +49,6 @@ void GPU::WriteReg(u32 method, u32 subchannel, u32 value, u32 remaining_params)
return; return;
} }
ASSERT(bound_engines.find(subchannel) != bound_engines.end());
const EngineID engine = bound_engines[subchannel]; const EngineID engine = bound_engines[subchannel];
switch (engine) { switch (engine) {

4
src/video_core/gpu.h
View File

@ -4,8 +4,8 @@
#pragma once #pragma once
#include <array>
#include <memory> #include <memory>
#include <unordered_map>
#include "common/common_types.h" #include "common/common_types.h"
#include "core/hle/service/nvflinger/buffer_queue.h" #include "core/hle/service/nvflinger/buffer_queue.h"
#include "video_core/memory_manager.h" #include "video_core/memory_manager.h"
@ -136,7 +136,7 @@ private:
std::unique_ptr<Tegra::MemoryManager> memory_manager; std::unique_ptr<Tegra::MemoryManager> memory_manager;
/// Mapping of command subchannels to their bound engine ids. /// Mapping of command subchannels to their bound engine ids.
std::unordered_map<u32, EngineID> bound_engines; std::array<EngineID, 8> bound_engines = {};
/// 3D engine /// 3D engine
std::unique_ptr<Engines::Maxwell3D> maxwell_3d; std::unique_ptr<Engines::Maxwell3D> maxwell_3d;