dolphin/Source/Plugins/Plugin_VideoDX11/Src/GfxState.cpp

365 lines
13 KiB
C++

// Copyright (C) 2003 Dolphin 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.
// 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 SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "VideoConfig.h"
#include "GfxState.h"
namespace D3D
{
EmuGfxState* gfxstate;
StateManager* stateman;
EmuGfxState::EmuGfxState() : vertexshader(NULL), vsbytecode(NULL), pixelshader(NULL), psbytecode(NULL), apply_called(false)
{
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);
if(g_ActiveConfig.iMaxAnisotropy > 1) samplerdesc[k].Filter = D3D11_FILTER_ANISOTROPIC;
}
memset(&blenddesc, 0, sizeof(blenddesc));
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;
memset(&depthdesc, 0, sizeof(depthdesc));
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(unsigned int stage, ID3D11ShaderResourceView* srv)
{
if (shader_resources[stage]) shader_resources[stage]->Release();
shader_resources[stage] = srv;
if (srv) srv->AddRef();
}
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(vsconstants))&(~0xf))+0x10; // 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(psconstants))&(~0xf))+0x10; // 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])
{
if(g_ActiveConfig.iMaxAnisotropy > 1) samplerdesc[stage].Filter = D3D11_FILTER_ANISOTROPIC;
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__);
stateman->PushBlendState(blstate);
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");
stateman->PushRasterizerState(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__);
D3D::stateman->PushDepthState(depth_state);
depth_state->Release();
context->PSSetShader(pixelshader, NULL, 0);
context->VSSetShader(vertexshader, NULL, 0);
context->PSSetShaderResources(0, 8, shader_resources);
stateman->Apply();
apply_called = true;
}
void EmuGfxState::AlphaPass()
{
if (!apply_called) ERROR_LOG(VIDEO, "EmuGfxState::AlphaPass called without having called ApplyState before!")
else stateman->PopBlendState();
// pixel shader for alpha pass is different, so update it
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)");
stateman->PushBlendState(blstate);
blstate->Release();
stateman->Apply();
}
void EmuGfxState::Reset()
{
for (unsigned int k = 0;k < 8;k++)
SAFE_RELEASE(shader_resources[k]);
context->PSSetShaderResources(0, 8, shader_resources); // unbind all textures
if (apply_called)
{
stateman->PopBlendState();
stateman->PopDepthState();
stateman->PopRasterizerState();
apply_called = false;
}
}
void EmuGfxState::SetAlphaBlendEnable(bool enable)
{
blenddesc.RenderTarget[0].BlendEnable = enable;
}
void EmuGfxState::SetRenderTargetWriteMask(UINT8 mask)
{
blenddesc.RenderTarget[0].RenderTargetWriteMask = mask;
}
void EmuGfxState::SetSrcBlend(D3D11_BLEND val)
{
// TODO: Check whether e.g. the dest color check is needed here
blenddesc.RenderTarget[0].SrcBlend = val;
if (val == D3D11_BLEND_SRC_COLOR) blenddesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_SRC_ALPHA;
else if (val == D3D11_BLEND_INV_SRC_COLOR) blenddesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_INV_SRC_ALPHA;
else if (val == D3D11_BLEND_DEST_COLOR) blenddesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_DEST_ALPHA;
else if (val == D3D11_BLEND_INV_DEST_COLOR) blenddesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_INV_DEST_ALPHA;
else blenddesc.RenderTarget[0].SrcBlendAlpha = val;
}
void EmuGfxState::SetDestBlend(D3D11_BLEND val)
{
// TODO: Check whether e.g. the source color check is needed here
blenddesc.RenderTarget[0].DestBlend = val;
if (val == D3D11_BLEND_SRC_COLOR) blenddesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_SRC_ALPHA;
else if (val == D3D11_BLEND_INV_SRC_COLOR) blenddesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_INV_SRC_ALPHA;
else if (val == D3D11_BLEND_DEST_COLOR) blenddesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_DEST_ALPHA;
else if (val == D3D11_BLEND_INV_DEST_COLOR) blenddesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_INV_DEST_ALPHA;
else blenddesc.RenderTarget[0].DestBlendAlpha = val;
}
void EmuGfxState::SetBlendOp(D3D11_BLEND_OP val)
{
blenddesc.RenderTarget[0].BlendOp = val;
blenddesc.RenderTarget[0].BlendOpAlpha = val;
}
void EmuGfxState::SetSamplerFilter(DWORD stage, D3D11_FILTER filter)
{
samplerdesc[stage].Filter = filter;
}
template<typename T> AutoState<T>::AutoState(const T* object) : state(object)
{
((IUnknown*)state)->AddRef();
}
template<typename T> AutoState<T>::AutoState(const AutoState<T> &source)
{
state = source.GetPtr();
((T*)state)->AddRef();
}
template<typename T> AutoState<T>::~AutoState()
{
((IUnknown*)state)->Release();
}
StateManager::StateManager() : cur_blendstate(NULL), cur_depthstate(NULL), cur_raststate(NULL) {}
void StateManager::PushBlendState(const ID3D11BlendState* state) { blendstates.push(AutoBlendState(state)); }
void StateManager::PushDepthState(const ID3D11DepthStencilState* state) { depthstates.push(AutoDepthStencilState(state)); }
void StateManager::PushRasterizerState(const ID3D11RasterizerState* state) { raststates.push(AutoRasterizerState(state)); }
void StateManager::PopBlendState() { blendstates.pop(); }
void StateManager::PopDepthState() { depthstates.pop(); }
void StateManager::PopRasterizerState() { raststates.pop(); }
void StateManager::Apply()
{
if (!blendstates.empty())
{
if (cur_blendstate != blendstates.top().GetPtr())
{
cur_blendstate = (ID3D11BlendState*)blendstates.top().GetPtr();
D3D::context->OMSetBlendState(cur_blendstate, NULL, 0xFFFFFFFF);
}
}
else ERROR_LOG(VIDEO, "Tried to apply without blend state!");
if (!depthstates.empty())
{
if (cur_depthstate != depthstates.top().GetPtr())
{
cur_depthstate = (ID3D11DepthStencilState*)depthstates.top().GetPtr();
D3D::context->OMSetDepthStencilState(cur_depthstate, 0);
}
}
else ERROR_LOG(VIDEO, "Tried to apply without depth state!");
if (!raststates.empty())
{
if (cur_raststate != raststates.top().GetPtr())
{
cur_raststate = (ID3D11RasterizerState*)raststates.top().GetPtr();
D3D::context->RSSetState(cur_raststate);
}
}
else ERROR_LOG(VIDEO, "Tried to apply without rasterizer state!");
}
} // namespace