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https://github.com/dolphin-emu/dolphin.git
synced 2025-07-23 06:09:50 -06:00
DX11: Introduce a StateManager class, might improve performance a little.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5740 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
@ -49,232 +49,6 @@ unsigned int xres, yres;
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bool bFrameInProgress = false;
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EmuGfxState::EmuGfxState() : vertexshader(NULL), vsbytecode(NULL), pixelshader(NULL), psbytecode(NULL)
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{
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for (unsigned int k = 0;k < 8;k++)
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{
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float border[4] = {0.f, 0.f, 0.f, 0.f};
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shader_resources[k] = NULL;
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samplerdesc[k] = CD3D11_SAMPLER_DESC(D3D11_FILTER_MIN_MAG_MIP_LINEAR, D3D11_TEXTURE_ADDRESS_CLAMP, D3D11_TEXTURE_ADDRESS_CLAMP, D3D11_TEXTURE_ADDRESS_CLAMP, 0.f, 16, D3D11_COMPARISON_ALWAYS, border, -D3D11_FLOAT32_MAX, D3D11_FLOAT32_MAX);
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}
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blenddesc.AlphaToCoverageEnable = FALSE;
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blenddesc.IndependentBlendEnable = FALSE;
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blenddesc.RenderTarget[0].BlendEnable = FALSE;
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blenddesc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
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blenddesc.RenderTarget[0].SrcBlend = D3D11_BLEND_ONE;
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blenddesc.RenderTarget[0].DestBlend = D3D11_BLEND_ZERO;
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blenddesc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
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blenddesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
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blenddesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
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blenddesc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
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depthdesc.DepthEnable = TRUE;
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depthdesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
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depthdesc.DepthFunc = D3D11_COMPARISON_LESS;
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depthdesc.StencilEnable = FALSE;
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depthdesc.StencilReadMask = D3D11_DEFAULT_STENCIL_READ_MASK;
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depthdesc.StencilWriteMask = D3D11_DEFAULT_STENCIL_WRITE_MASK;
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// this probably must be changed once multisampling support gets added
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rastdesc = CD3D11_RASTERIZER_DESC(D3D11_FILL_SOLID, D3D11_CULL_NONE, false, 0, 0.f, 0, false, true, false, false);
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pscbuf = NULL;
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vscbuf = NULL;
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vshaderchanged = false;
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inp_layout = NULL;
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num_inp_elems = 0;
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pscbufchanged = false;
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vscbufchanged = false;
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}
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EmuGfxState::~EmuGfxState()
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{
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for (unsigned int k = 0;k < 8;k++)
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SAFE_RELEASE(shader_resources[k])
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SAFE_RELEASE(vsbytecode);
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SAFE_RELEASE(psbytecode);
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SAFE_RELEASE(vertexshader);
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SAFE_RELEASE(pixelshader);
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SAFE_RELEASE(pscbuf);
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SAFE_RELEASE(vscbuf);
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SAFE_RELEASE(inp_layout);
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}
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// TODO: No need to store the whole bytecode, signature might be enough (?)
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void EmuGfxState::SetVShader(ID3D11VertexShader* shader, D3DBlob* bcode)
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{
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// TODO: vshaderchanged actually just needs to be true if the signature changed
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if (bcode && vsbytecode != bcode) vshaderchanged = true;
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SAFE_RELEASE(vsbytecode);
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SAFE_RELEASE(vertexshader);
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if (shader && bcode)
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{
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vertexshader = shader;
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shader->AddRef();
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vsbytecode = bcode;
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bcode->AddRef();
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}
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else if (shader || bcode)
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{
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PanicAlert("Invalid parameters!\n");
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}
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}
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void EmuGfxState::SetPShader(ID3D11PixelShader* shader)
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{
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if (pixelshader) pixelshader->Release();
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pixelshader = shader;
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if (shader) shader->AddRef();
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}
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void EmuGfxState::SetInputElements(const D3D11_INPUT_ELEMENT_DESC* elems, UINT num)
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{
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num_inp_elems = num;
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memcpy(inp_elems, elems, num*sizeof(D3D11_INPUT_ELEMENT_DESC));
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}
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void EmuGfxState::SetShaderResource(int stage, ID3D11ShaderResourceView* srv)
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{
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if (shader_resources[stage]) shader_resources[stage]->Release();
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shader_resources[stage] = srv;
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if (srv) srv->AddRef();
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}
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void EmuGfxState::SetAlphaBlendEnable(bool enable)
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{
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blenddesc.RenderTarget[0].BlendEnable = enable;
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}
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void EmuGfxState::SetRenderTargetWriteMask(UINT8 mask)
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{
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blenddesc.RenderTarget[0].RenderTargetWriteMask = mask;
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}
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void EmuGfxState::ApplyState()
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{
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HRESULT hr;
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// input layout (only needs to be updated if the vertex shader signature changed)
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if (vshaderchanged)
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{
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if (inp_layout) inp_layout->Release();
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hr = D3D::device->CreateInputLayout(inp_elems, num_inp_elems, vsbytecode->Data(), vsbytecode->Size(), &inp_layout);
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if (FAILED(hr)) PanicAlert("Failed to create input layout, %s %d\n", __FILE__, __LINE__);
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SetDebugObjectName((ID3D11DeviceChild*)inp_layout, "an input layout of EmuGfxState");
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vshaderchanged = false;
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}
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D3D::context->IASetInputLayout(inp_layout);
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// vertex shader
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// TODO: divide the global variables of the generated shaders into about 5 constant buffers
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// TODO: improve interaction between EmuGfxState and global state management, so that we don't need to set the constant buffers every time
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if (!vscbuf)
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{
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unsigned int size = ((sizeof(float)*952)&(~0xffff))+0x10000; // must be a multiple of 16
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D3D11_BUFFER_DESC cbdesc = CD3D11_BUFFER_DESC(size, D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
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hr = device->CreateBuffer(&cbdesc, NULL, &vscbuf);
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CHECK(hr==S_OK, "Create vertex shader constant buffer (size=%u)", size);
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SetDebugObjectName((ID3D11DeviceChild*)vscbuf, "a vertex shader constant buffer of EmuGfxState");
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}
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if (vscbufchanged)
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{
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D3D11_MAPPED_SUBRESOURCE map;
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context->Map(vscbuf, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
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memcpy(map.pData, vsconstants, sizeof(vsconstants));
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context->Unmap(vscbuf, 0);
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}
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D3D::context->VSSetConstantBuffers(0, 1, &vscbuf);
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// pixel shader
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if (!pscbuf)
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{
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unsigned int size = ((sizeof(float)*116)&(~0xffff))+0x10000; // must be a multiple of 16
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D3D11_BUFFER_DESC cbdesc = CD3D11_BUFFER_DESC(size, D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
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device->CreateBuffer(&cbdesc, NULL, &pscbuf);
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CHECK(hr==S_OK, "Create pixel shader constant buffer (size=%u)", size);
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SetDebugObjectName((ID3D11DeviceChild*)pscbuf, "a pixel shader constant buffer of EmuGfxState");
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}
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if (pscbufchanged)
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{
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D3D11_MAPPED_SUBRESOURCE map;
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context->Map(pscbuf, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
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memcpy(map.pData, psconstants, sizeof(psconstants));
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context->Unmap(pscbuf, 0);
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pscbufchanged = false;
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}
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D3D::context->PSSetConstantBuffers(0, 1, &pscbuf);
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ID3D11SamplerState* samplerstate[8];
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for (unsigned int stage = 0; stage < 8; stage++)
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{
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if (shader_resources[stage])
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{
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hr = D3D::device->CreateSamplerState(&samplerdesc[stage], &samplerstate[stage]);
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if (FAILED(hr)) PanicAlert("Fail %s %d, stage=%d\n", __FILE__, __LINE__, stage);
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else SetDebugObjectName((ID3D11DeviceChild*)samplerstate[stage], "a sampler state of EmuGfxState");
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}
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else samplerstate[stage] = NULL;
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}
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D3D::context->PSSetSamplers(0, 8, samplerstate);
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for (unsigned int stage = 0; stage < 8; stage++)
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SAFE_RELEASE(samplerstate[stage]);
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ID3D11BlendState* blstate;
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hr = device->CreateBlendState(&blenddesc, &blstate);
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if (FAILED(hr)) PanicAlert("Failed to create blend state at %s %d\n", __FILE__, __LINE__);
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context->OMSetBlendState(blstate, NULL, 0xFFFFFFFF);
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SetDebugObjectName((ID3D11DeviceChild*)blstate, "a blend state of EmuGfxState");
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blstate->Release();
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rastdesc.FillMode = (g_ActiveConfig.bWireFrame) ? D3D11_FILL_WIREFRAME : D3D11_FILL_SOLID;
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ID3D11RasterizerState* raststate;
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hr = device->CreateRasterizerState(&rastdesc, &raststate);
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if (FAILED(hr)) PanicAlert("Failed to create rasterizer state at %s %d\n", __FILE__, __LINE__);
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SetDebugObjectName((ID3D11DeviceChild*)raststate, "a rasterizer state of EmuGfxState");
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context->RSSetState(raststate);
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raststate->Release();
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ID3D11DepthStencilState* depth_state;
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hr = device->CreateDepthStencilState(&depthdesc, &depth_state);
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if (SUCCEEDED(hr)) SetDebugObjectName((ID3D11DeviceChild*)depth_state, "a depth-stencil state of EmuGfxState");
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else PanicAlert("Failed to create depth state at %s %d\n", __FILE__, __LINE__);
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context->OMSetDepthStencilState(depth_state, 0);
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depth_state->Release();
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context->PSSetShader(pixelshader, NULL, 0);
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context->VSSetShader(vertexshader, NULL, 0);
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context->PSSetShaderResources(0, 8, shader_resources);
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}
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void EmuGfxState::AlphaPass()
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{
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context->PSSetShader(pixelshader, NULL, 0);
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ID3D11BlendState* blstate;
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D3D11_BLEND_DESC desc = blenddesc;
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desc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALPHA;
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desc.RenderTarget[0].BlendEnable = FALSE;
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HRESULT hr = device->CreateBlendState(&desc, &blstate);
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if (FAILED(hr)) PanicAlert("Failed to create blend state at %s %d\n", __FILE__, __LINE__);
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SetDebugObjectName((ID3D11DeviceChild*)blstate, "a blend state of EmuGfxState (created during alpha pass)");
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context->OMSetBlendState(blstate, NULL, 0xFFFFFFFF);
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blstate->Release();
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}
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void EmuGfxState::ResetShaderResources()
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{
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for (unsigned int k = 0;k < 8;k++)
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SAFE_RELEASE(shader_resources[k]);
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}
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EmuGfxState* gfxstate = NULL;
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HRESULT Create(HWND wnd)
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{
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hWnd = wnd;
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@ -372,6 +146,7 @@ HRESULT Create(HWND wnd)
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context->OMSetRenderTargets(1, &backbuf->GetRTV(), NULL);
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gfxstate = new EmuGfxState;
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stateman = new StateManager;
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return S_OK;
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}
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@ -380,8 +155,9 @@ void Close()
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// release all bound resources
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context->ClearState();
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SAFE_RELEASE(backbuf);
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if (gfxstate) delete gfxstate;
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SAFE_RELEASE(swapchain);
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SAFE_DELETE(gfxstate);
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SAFE_DELETE(stateman);
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context->Flush(); // immediately destroy device objects
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SAFE_RELEASE(context);
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