mirror of
https://github.com/hrydgard/ppsspp.git
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5ee9cfef0d
Can always fall back to D3D9, which is not going away anytime soon and still needs to be there. One less HLSL variant to care about.
106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
#include "Common/Log.h"
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#include "Core/ConfigValues.h"
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#include "libretro/LibretroD3D11Context.h"
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#include "Common/GPU/D3D11/D3D11Loader.h"
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#include <d3d11_1.h>
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#ifdef __MINGW32__
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#undef __uuidof
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#define __uuidof(type) IID_##type
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#endif
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bool LibretroD3D11Context::Init() {
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if (!LibretroHWRenderContext::Init(true))
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return false;
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g_Config.iGPUBackend = (int)GPUBackend::DIRECT3D11;
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return true;
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}
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void LibretroD3D11Context::CreateDrawContext() {
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std::vector<std::string> adapterNames;
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if (!Libretro::environ_cb(RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE, (void **)&d3d11_) || !d3d11_) {
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ERROR_LOG(G3D, "Failed to get HW rendering interface!\n");
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return;
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}
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if (d3d11_->interface_version != RETRO_HW_RENDER_INTERFACE_D3D11_VERSION) {
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ERROR_LOG(G3D, "HW render interface mismatch, expected %u, got %u!\n", RETRO_HW_RENDER_INTERFACE_D3D11_VERSION, d3d11_->interface_version);
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return;
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}
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// Reject lower feature levels. We have D3D9 for these ancient GPUs.
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if (d3d11_->featureLevel < D3D_FEATURE_LEVEL_10_0) {
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ERROR_LOG(G3D, "D3D11 featureLevel not high enough - rejecting!\n");
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return;
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}
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ptr_D3DCompile = d3d11_->D3DCompile;
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ID3D11Device1 *device1 = nullptr;
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d3d11_->device->QueryInterface(__uuidof(ID3D11Device1), (void **)&device1);
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ID3D11DeviceContext1 *context1 = nullptr;
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d3d11_->context->QueryInterface(__uuidof(ID3D11DeviceContext1), (void **)&context1);
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draw_ = Draw::T3DCreateD3D11Context(d3d11_->device, d3d11_->context, device1, context1, d3d11_->featureLevel, NULL, adapterNames);
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}
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void LibretroD3D11Context::DestroyDrawContext() {
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LibretroHWRenderContext::DestroyDrawContext();
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d3d11_ = nullptr;
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}
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void LibretroD3D11Context::GotBackbuffer() {
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D3D11_TEXTURE2D_DESC desc{};
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desc.Width = PSP_CoreParameter().pixelWidth;
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desc.Height = PSP_CoreParameter().pixelHeight;
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desc.MipLevels = 1;
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desc.ArraySize = 1;
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desc.Format = format_;
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desc.SampleDesc.Count = 1;
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desc.SampleDesc.Quality = 0;
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desc.Usage = D3D11_USAGE_DEFAULT;
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desc.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
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desc.CPUAccessFlags = 0;
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desc.MiscFlags = 0;
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if (SUCCEEDED(d3d11_->device->CreateTexture2D(&desc, nullptr, &texture_))) {
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if (SUCCEEDED(d3d11_->device->CreateRenderTargetView(texture_, nullptr, &RTView_))) {
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if (SUCCEEDED(d3d11_->device->CreateShaderResourceView(texture_, nullptr, &SRView_))) {
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draw_->HandleEvent(Draw::Event::GOT_BACKBUFFER, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight, RTView_, texture_);
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return;
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}
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RTView_->Release();
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RTView_ = nullptr;
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}
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texture_->Release();
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texture_ = nullptr;
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}
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}
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void LibretroD3D11Context::LostBackbuffer() {
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LibretroGraphicsContext::LostBackbuffer();
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SRView_->Release();
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SRView_ = nullptr;
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RTView_->Release();
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RTView_ = nullptr;
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texture_->Release();
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texture_ = nullptr;
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}
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void LibretroD3D11Context::SwapBuffers() {
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ID3D11RenderTargetView *nullView = nullptr;
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d3d11_->context->OMSetRenderTargets(1, &nullView, nullptr);
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d3d11_->context->PSSetShaderResources(0, 1, &SRView_);
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LibretroHWRenderContext::SwapBuffers();
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ID3D11ShaderResourceView *nullSRV = nullptr;
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d3d11_->context->PSSetShaderResources(0, 1, &nullSRV);
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draw_->HandleEvent(Draw::Event::PRESENTED, 0, 0, nullptr, nullptr);
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}
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