ppsspp/GPU/GPU.cpp
2023-01-01 06:59:14 -08:00

139 lines
3.0 KiB
C++

// Copyright (c) 2015- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "ppsspp_config.h"
#include "Common/TimeUtil.h"
#include "Common/GraphicsContext.h"
#include "Core/Core.h"
#include "GPU/GPU.h"
#include "GPU/GPUInterface.h"
#if PPSSPP_API(ANY_GL)
#include "GPU/GLES/GPU_GLES.h"
#endif
#include "GPU/Vulkan/GPU_Vulkan.h"
#include "GPU/Software/SoftGpu.h"
#if PPSSPP_API(D3D9)
#include "GPU/Directx9/GPU_DX9.h"
#endif
#if PPSSPP_API(D3D11)
#include "GPU/D3D11/GPU_D3D11.h"
#endif
GPUStatistics gpuStats;
GPUInterface *gpu;
GPUDebugInterface *gpuDebug;
template <typename T>
static void SetGPU(T *obj) {
gpu = obj;
gpuDebug = obj;
}
#ifdef USE_CRT_DBG
#undef new
#endif
bool GPU_IsReady() {
if (gpu)
return gpu->IsReady();
return false;
}
bool GPU_IsStarted() {
if (gpu)
return gpu->IsReady() && gpu->IsStarted();
return false;
}
bool GPU_Init(GraphicsContext *ctx, Draw::DrawContext *draw) {
const auto &gpuCore = PSP_CoreParameter().gpuCore;
_assert_(draw || gpuCore == GPUCORE_SOFTWARE);
#if PPSSPP_PLATFORM(UWP)
if (gpuCore == GPUCORE_SOFTWARE) {
SetGPU(new SoftGPU(ctx, draw));
} else {
SetGPU(new GPU_D3D11(ctx, draw));
}
return true;
#else
switch (gpuCore) {
case GPUCORE_GLES:
// Disable GLES on ARM Windows (but leave it enabled on other ARM platforms).
#if PPSSPP_API(ANY_GL)
SetGPU(new GPU_GLES(ctx, draw));
break;
#else
return false;
#endif
case GPUCORE_SOFTWARE:
SetGPU(new SoftGPU(ctx, draw));
break;
case GPUCORE_DIRECTX9:
#if PPSSPP_API(D3D9)
SetGPU(new GPU_DX9(ctx, draw));
break;
#else
return false;
#endif
case GPUCORE_DIRECTX11:
#if PPSSPP_API(D3D11)
SetGPU(new GPU_D3D11(ctx, draw));
break;
#else
return false;
#endif
#if !PPSSPP_PLATFORM(SWITCH)
case GPUCORE_VULKAN:
if (!ctx) {
ERROR_LOG(G3D, "Unable to init Vulkan GPU backend, no context");
break;
}
SetGPU(new GPU_Vulkan(ctx, draw));
break;
#endif
}
if (gpu && gpu->IsReady() && !gpu->IsStarted())
SetGPU<SoftGPU>(nullptr);
return gpu != nullptr;
#endif
}
#ifdef USE_CRT_DBG
#define new DBG_NEW
#endif
void GPU_Shutdown() {
// Reduce the risk for weird races with the Windows GE debugger.
gpuDebug = nullptr;
// Wait for IsReady, since it might be running on a thread.
if (gpu) {
gpu->CancelReady();
while (!gpu->IsReady()) {
sleep_ms(10);
}
}
delete gpu;
gpu = nullptr;
}