ppsspp/libretro/LibretroD3D11Context.cpp
2018-03-26 17:37:34 +01:00

96 lines
2.9 KiB
C++

#include "libretro/LibretroD3D11Context.h"
#include "thin3d/d3d11_loader.h"
#include <d3d11_1.h>
#ifdef __MINGW32__
#undef __uuidof
#define __uuidof(type) IID_##type
#endif
bool LibretroD3D11Context::Init() {
if (!LibretroHWRenderContext::Init(true))
return false;
g_Config.iGPUBackend = (int)GPUBackend::DIRECT3D11;
return true;
}
void LibretroD3D11Context::CreateDrawContext() {
if (!Libretro::environ_cb(RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE, (void **)&d3d11_) || !d3d11_) {
ERROR_LOG(G3D, "Failed to get HW rendering interface!\n");
return;
}
if (d3d11_->interface_version != RETRO_HW_RENDER_INTERFACE_D3D11_VERSION) {
ERROR_LOG(G3D, "HW render interface mismatch, expected %u, got %u!\n", RETRO_HW_RENDER_INTERFACE_D3D11_VERSION, d3d11_->interface_version);
return;
}
ptr_D3DCompile = d3d11_->D3DCompile;
ID3D11Device1 *device1 = nullptr;
d3d11_->device->QueryInterface(__uuidof(ID3D11Device1), (void **)&device1);
ID3D11DeviceContext1 *context1 = nullptr;
d3d11_->context->QueryInterface(__uuidof(ID3D11DeviceContext1), (void **)&context1);
draw_ = Draw::T3DCreateD3D11Context(d3d11_->device, d3d11_->context, device1, context1, d3d11_->featureLevel, NULL);
}
void LibretroD3D11Context::DestroyDrawContext() {
LibretroHWRenderContext::DestroyDrawContext();
d3d11_ = nullptr;
}
void LibretroD3D11Context::GotBackbuffer() {
D3D11_TEXTURE2D_DESC desc{};
desc.Width = PSP_CoreParameter().pixelWidth;
desc.Height = PSP_CoreParameter().pixelHeight;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.Format = format_;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
desc.CPUAccessFlags = 0;
desc.MiscFlags = 0;
if (SUCCEEDED(d3d11_->device->CreateTexture2D(&desc, nullptr, &texture_))) {
if (SUCCEEDED(d3d11_->device->CreateRenderTargetView(texture_, nullptr, &RTView_))) {
if (SUCCEEDED(d3d11_->device->CreateShaderResourceView(texture_, nullptr, &SRView_))) {
draw_->HandleEvent(Draw::Event::GOT_BACKBUFFER, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight, RTView_, texture_);
return;
}
RTView_->Release();
RTView_ = nullptr;
}
texture_->Release();
texture_ = nullptr;
}
}
void LibretroD3D11Context::LostBackbuffer() {
LibretroGraphicsContext::LostBackbuffer();
SRView_->Release();
SRView_ = nullptr;
RTView_->Release();
RTView_ = nullptr;
texture_->Release();
texture_ = nullptr;
}
void LibretroD3D11Context::SwapBuffers() {
ID3D11RenderTargetView *nullView = nullptr;
d3d11_->context->OMSetRenderTargets(1, &nullView, nullptr);
d3d11_->context->PSSetShaderResources(0, 1, &SRView_);
LibretroHWRenderContext::SwapBuffers();
ID3D11ShaderResourceView *nullSRV = nullptr;
d3d11_->context->PSSetShaderResources(0, 1, &nullSRV);
draw_->HandleEvent(Draw::Event::PRESENTED, 0, 0, nullptr, nullptr);
}