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DX11: Introduce a StateManager class, might improve performance a little.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5740 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
NeoBrainX
2010-06-18 23:33:07 +00:00
parent b4f5a4d89e
commit 5cfdb2d0c8
9 changed files with 54 additions and 334 deletions
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230
Source/Plugins/Plugin_VideoDX11/Src/D3DBase.cpp
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@ -49,232 +49,6 @@ unsigned int xres, yres;
bool bFrameInProgress = false;
EmuGfxState::EmuGfxState() : vertexshader(NULL), vsbytecode(NULL), pixelshader(NULL), psbytecode(NULL)
{
for (unsigned int k = 0;k < 8;k++)
{
float border[4] = {0.f, 0.f, 0.f, 0.f};
shader_resources[k] = NULL;
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);
}
blenddesc.AlphaToCoverageEnable = FALSE;
blenddesc.IndependentBlendEnable = FALSE;
blenddesc.RenderTarget[0].BlendEnable = FALSE;
blenddesc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
blenddesc.RenderTarget[0].SrcBlend = D3D11_BLEND_ONE;
blenddesc.RenderTarget[0].DestBlend = D3D11_BLEND_ZERO;
blenddesc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
blenddesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
blenddesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
blenddesc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
depthdesc.DepthEnable = TRUE;
depthdesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
depthdesc.DepthFunc = D3D11_COMPARISON_LESS;
depthdesc.StencilEnable = FALSE;
depthdesc.StencilReadMask = D3D11_DEFAULT_STENCIL_READ_MASK;
depthdesc.StencilWriteMask = D3D11_DEFAULT_STENCIL_WRITE_MASK;
// this probably must be changed once multisampling support gets added
rastdesc = CD3D11_RASTERIZER_DESC(D3D11_FILL_SOLID, D3D11_CULL_NONE, false, 0, 0.f, 0, false, true, false, false);
pscbuf = NULL;
vscbuf = NULL;
vshaderchanged = false;
inp_layout = NULL;
num_inp_elems = 0;
pscbufchanged = false;
vscbufchanged = false;
}
EmuGfxState::~EmuGfxState()
{
for (unsigned int k = 0;k < 8;k++)
SAFE_RELEASE(shader_resources[k])
SAFE_RELEASE(vsbytecode);
SAFE_RELEASE(psbytecode);
SAFE_RELEASE(vertexshader);
SAFE_RELEASE(pixelshader);
SAFE_RELEASE(pscbuf);
SAFE_RELEASE(vscbuf);
SAFE_RELEASE(inp_layout);
}
// TODO: No need to store the whole bytecode, signature might be enough (?)
void EmuGfxState::SetVShader(ID3D11VertexShader* shader, D3DBlob* bcode)
{
// TODO: vshaderchanged actually just needs to be true if the signature changed
if (bcode && vsbytecode != bcode) vshaderchanged = true;
SAFE_RELEASE(vsbytecode);
SAFE_RELEASE(vertexshader);
if (shader && bcode)
{
vertexshader = shader;
shader->AddRef();
vsbytecode = bcode;
bcode->AddRef();
}
else if (shader || bcode)
{
PanicAlert("Invalid parameters!\n");
}
}
void EmuGfxState::SetPShader(ID3D11PixelShader* shader)
{
if (pixelshader) pixelshader->Release();
pixelshader = shader;
if (shader) shader->AddRef();
}
void EmuGfxState::SetInputElements(const D3D11_INPUT_ELEMENT_DESC* elems, UINT num)
{
num_inp_elems = num;
memcpy(inp_elems, elems, num*sizeof(D3D11_INPUT_ELEMENT_DESC));
}
void EmuGfxState::SetShaderResource(int stage, ID3D11ShaderResourceView* srv)
{
if (shader_resources[stage]) shader_resources[stage]->Release();
shader_resources[stage] = srv;
if (srv) srv->AddRef();
}
void EmuGfxState::SetAlphaBlendEnable(bool enable)
{
blenddesc.RenderTarget[0].BlendEnable = enable;
}
void EmuGfxState::SetRenderTargetWriteMask(UINT8 mask)
{
blenddesc.RenderTarget[0].RenderTargetWriteMask = mask;
}
void EmuGfxState::ApplyState()
{
HRESULT hr;
// input layout (only needs to be updated if the vertex shader signature changed)
if (vshaderchanged)
{
if (inp_layout) inp_layout->Release();
hr = D3D::device->CreateInputLayout(inp_elems, num_inp_elems, vsbytecode->Data(), vsbytecode->Size(), &inp_layout);
if (FAILED(hr)) PanicAlert("Failed to create input layout, %s %d\n", __FILE__, __LINE__);
SetDebugObjectName((ID3D11DeviceChild*)inp_layout, "an input layout of EmuGfxState");
vshaderchanged = false;
}
D3D::context->IASetInputLayout(inp_layout);
// vertex shader
// TODO: divide the global variables of the generated shaders into about 5 constant buffers
// TODO: improve interaction between EmuGfxState and global state management, so that we don't need to set the constant buffers every time
if (!vscbuf)
{
unsigned int size = ((sizeof(float)*952)&(~0xffff))+0x10000; // must be a multiple of 16
D3D11_BUFFER_DESC cbdesc = CD3D11_BUFFER_DESC(size, D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
hr = device->CreateBuffer(&cbdesc, NULL, &vscbuf);
CHECK(hr==S_OK, "Create vertex shader constant buffer (size=%u)", size);
SetDebugObjectName((ID3D11DeviceChild*)vscbuf, "a vertex shader constant buffer of EmuGfxState");
}
if (vscbufchanged)
{
D3D11_MAPPED_SUBRESOURCE map;
context->Map(vscbuf, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
memcpy(map.pData, vsconstants, sizeof(vsconstants));
context->Unmap(vscbuf, 0);
}
D3D::context->VSSetConstantBuffers(0, 1, &vscbuf);
// pixel shader
if (!pscbuf)
{
unsigned int size = ((sizeof(float)*116)&(~0xffff))+0x10000; // must be a multiple of 16
D3D11_BUFFER_DESC cbdesc = CD3D11_BUFFER_DESC(size, D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
device->CreateBuffer(&cbdesc, NULL, &pscbuf);
CHECK(hr==S_OK, "Create pixel shader constant buffer (size=%u)", size);
SetDebugObjectName((ID3D11DeviceChild*)pscbuf, "a pixel shader constant buffer of EmuGfxState");
}
if (pscbufchanged)
{
D3D11_MAPPED_SUBRESOURCE map;
context->Map(pscbuf, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
memcpy(map.pData, psconstants, sizeof(psconstants));
context->Unmap(pscbuf, 0);
pscbufchanged = false;
}
D3D::context->PSSetConstantBuffers(0, 1, &pscbuf);
ID3D11SamplerState* samplerstate[8];
for (unsigned int stage = 0; stage < 8; stage++)
{
if (shader_resources[stage])
{
hr = D3D::device->CreateSamplerState(&samplerdesc[stage], &samplerstate[stage]);
if (FAILED(hr)) PanicAlert("Fail %s %d, stage=%d\n", __FILE__, __LINE__, stage);
else SetDebugObjectName((ID3D11DeviceChild*)samplerstate[stage], "a sampler state of EmuGfxState");
}
else samplerstate[stage] = NULL;
}
D3D::context->PSSetSamplers(0, 8, samplerstate);
for (unsigned int stage = 0; stage < 8; stage++)
SAFE_RELEASE(samplerstate[stage]);
ID3D11BlendState* blstate;
hr = device->CreateBlendState(&blenddesc, &blstate);
if (FAILED(hr)) PanicAlert("Failed to create blend state at %s %d\n", __FILE__, __LINE__);
context->OMSetBlendState(blstate, NULL, 0xFFFFFFFF);
SetDebugObjectName((ID3D11DeviceChild*)blstate, "a blend state of EmuGfxState");
blstate->Release();
rastdesc.FillMode = (g_ActiveConfig.bWireFrame) ? D3D11_FILL_WIREFRAME : D3D11_FILL_SOLID;
ID3D11RasterizerState* raststate;
hr = device->CreateRasterizerState(&rastdesc, &raststate);
if (FAILED(hr)) PanicAlert("Failed to create rasterizer state at %s %d\n", __FILE__, __LINE__);
SetDebugObjectName((ID3D11DeviceChild*)raststate, "a rasterizer state of EmuGfxState");
context->RSSetState(raststate);
raststate->Release();
ID3D11DepthStencilState* depth_state;
hr = device->CreateDepthStencilState(&depthdesc, &depth_state);
if (SUCCEEDED(hr)) SetDebugObjectName((ID3D11DeviceChild*)depth_state, "a depth-stencil state of EmuGfxState");
else PanicAlert("Failed to create depth state at %s %d\n", __FILE__, __LINE__);
context->OMSetDepthStencilState(depth_state, 0);
depth_state->Release();
context->PSSetShader(pixelshader, NULL, 0);
context->VSSetShader(vertexshader, NULL, 0);
context->PSSetShaderResources(0, 8, shader_resources);
}
void EmuGfxState::AlphaPass()
{
context->PSSetShader(pixelshader, NULL, 0);
ID3D11BlendState* blstate;
D3D11_BLEND_DESC desc = blenddesc;
desc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALPHA;
desc.RenderTarget[0].BlendEnable = FALSE;
HRESULT hr = device->CreateBlendState(&desc, &blstate);
if (FAILED(hr)) PanicAlert("Failed to create blend state at %s %d\n", __FILE__, __LINE__);
SetDebugObjectName((ID3D11DeviceChild*)blstate, "a blend state of EmuGfxState (created during alpha pass)");
context->OMSetBlendState(blstate, NULL, 0xFFFFFFFF);
blstate->Release();
}
void EmuGfxState::ResetShaderResources()
{
for (unsigned int k = 0;k < 8;k++)
SAFE_RELEASE(shader_resources[k]);
}
EmuGfxState* gfxstate = NULL;
HRESULT Create(HWND wnd)
{
hWnd = wnd;
@ -372,6 +146,7 @@ HRESULT Create(HWND wnd)
context->OMSetRenderTargets(1, &backbuf->GetRTV(), NULL);
gfxstate = new EmuGfxState;
stateman = new StateManager;
return S_OK;
}
@ -380,8 +155,9 @@ void Close()
// release all bound resources
context->ClearState();
SAFE_RELEASE(backbuf);
if (gfxstate) delete gfxstate;
SAFE_RELEASE(swapchain);
SAFE_DELETE(gfxstate);
SAFE_DELETE(stateman);
context->Flush(); // immediately destroy device objects
SAFE_RELEASE(context);