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https://github.com/baldurk/renderdoc.git
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First pass of pixel history impl (not complete)
* Uses occlusion queries to determine which events touch a given pixel (by replaying with all tests disabled except scissor, and scissoring to the pixel).
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baldurk
@@ -2708,6 +2708,208 @@ ResourceId D3D11DebugManager::RenderOverlay(ResourceId texid, TextureDisplayOver
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vector<PixelModification> D3D11DebugManager::PixelHistory(uint32_t frameID, vector<uint32_t> events, ResourceId target, uint32_t x, uint32_t y)
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{
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RDCUNIMPLEMENTED("D3D11DebugManager::PixelHistory");
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return vector<PixelModification>();
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vector<PixelModification> history;
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if(events.empty())
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return history;
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SCOPED_TIMER("D3D11DebugManager::PixelHistory");
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// needed for comparison with viewports
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float xf = (float)x;
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float yf = (float)y;
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RDCDEBUG("Checking Pixel History on %llx (%u, %u) with %u possible events", target, x, y, (uint32_t)events.size());
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vector<ID3D11Query*> occl;
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occl.reserve(events.size());
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#if 1
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BOOL occlData = 0;
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const D3D11_QUERY_DESC occlDesc = { D3D11_QUERY_OCCLUSION_PREDICATE, 0 };
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#else
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UINT64 occlData = 0;
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const D3D11_QUERY_DESC occlDesc = { D3D11_QUERY_OCCLUSION, 0 };
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#endif
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HRESULT hr = S_OK;
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for(size_t i=0; i < events.size(); i++)
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{
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ID3D11Query *q = NULL;
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m_pDevice->CreateQuery(&occlDesc, &q);
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occl.push_back(q);
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}
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D3D11_BLEND_DESC nopBlendStateDesc = {0}; // no blending enabled anywhere, 0 write mask
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ID3D11BlendState *nopBlendState = NULL;
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m_pDevice->CreateBlendState(&nopBlendStateDesc, &nopBlendState);
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D3D11_DEPTH_STENCIL_DESC nopDSStateDesc = { // no tests enabled, no writing enabled
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FALSE, // DepthEnable;
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D3D11_DEPTH_WRITE_MASK_ZERO, // DepthWriteMask;
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D3D11_COMPARISON_ALWAYS, // DepthFunc;
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FALSE, // StencilEnable;
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0, // StencilReadMask;
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0, // StencilWriteMask;
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{ D3D11_STENCIL_OP_KEEP, D3D11_STENCIL_OP_KEEP, D3D11_STENCIL_OP_KEEP, D3D11_COMPARISON_ALWAYS }, // FrontFace;
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{ D3D11_STENCIL_OP_KEEP, D3D11_STENCIL_OP_KEEP, D3D11_STENCIL_OP_KEEP, D3D11_COMPARISON_ALWAYS }, // BackFace;
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};
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ID3D11DepthStencilState *nopDSState = NULL;
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m_pDevice->CreateDepthStencilState(&nopDSStateDesc, &nopDSState);
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m_WrappedDevice->ReplayLog(frameID, 0, events[0], eReplay_WithoutDraw);
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D3D11_VIEWPORT viewport = { (float)x, (float)y, 10.0f, 10.0f, 0.0f, 1.0f }; // 1x1 viewport of our destination pixel
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ID3D11RasterizerState *curRS = NULL;
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ID3D11RasterizerState *newRS = NULL;
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ID3D11PixelShader *curPS = NULL;
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ID3D11ClassInstance *curInst[D3D11_SHADER_MAX_INTERFACES] = { NULL };
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UINT curNumInst = 0;
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UINT curNumViews = 0;
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UINT curNumScissors = 0;
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D3D11_VIEWPORT curViewports[16] = {0};
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D3D11_RECT curScissors[16] = {0};
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D3D11_RECT newScissors[16] = {0};
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ID3D11BlendState *curBS = NULL;
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float blendFactor[4] = {0};
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UINT curSample = 0;
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ID3D11DepthStencilState *curDS = NULL;
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UINT stencilRef = 0;
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for(size_t ev=0; ev < events.size(); ev++)
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{
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curNumInst = D3D11_SHADER_MAX_INTERFACES;
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curNumScissors = curNumViews = 16;
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m_pImmediateContext->RSGetState(&curRS);
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m_pImmediateContext->OMGetBlendState(&curBS, blendFactor, &curSample);
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m_pImmediateContext->OMGetDepthStencilState(&curDS, &stencilRef);
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m_pImmediateContext->PSGetShader(&curPS, curInst, &curNumInst);
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m_pImmediateContext->RSGetViewports(&curNumViews, curViewports);
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m_pImmediateContext->RSGetScissorRects(&curNumScissors, curScissors);
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// defaults (mostly)
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// disable tests/clips and enable scissor as we need it to clip visibility to just our pixel
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// TODO determine if a pixel would have been scissor clipped.
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D3D11_RASTERIZER_DESC rd = {
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/*FillMode =*/ D3D11_FILL_SOLID,
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/*CullMode =*/ D3D11_CULL_NONE,
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/*FrontCounterClockwise =*/ FALSE,
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/*DepthBias =*/ D3D11_DEFAULT_DEPTH_BIAS,
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/*DepthBiasClamp =*/ D3D11_DEFAULT_DEPTH_BIAS_CLAMP,
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/*SlopeScaledDepthBias =*/ D3D11_DEFAULT_SLOPE_SCALED_DEPTH_BIAS,
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/*DepthClipEnable =*/ FALSE,
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/*ScissorEnable =*/ TRUE,
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/*MultisampleEnable =*/ FALSE,
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/*AntialiasedLineEnable =*/ FALSE,
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};
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if(curRS)
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{
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curRS->GetDesc(&rd);
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rd.CullMode = D3D11_CULL_NONE;
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rd.DepthClipEnable = FALSE;
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rd.ScissorEnable = TRUE;
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}
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m_pDevice->CreateRasterizerState(&rd, &newRS);
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m_pImmediateContext->RSSetState(newRS);
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m_pImmediateContext->PSSetShader(m_DebugRender.OverlayPS, NULL, 0);
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m_pImmediateContext->OMSetBlendState(nopBlendState, blendFactor, curSample);
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m_pImmediateContext->OMSetDepthStencilState(nopDSState, stencilRef);
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for(UINT i=0; i < curNumViews; i++)
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{
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// calculate scissor, relative to this viewport, that encloses only (x,y) pixel
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// if (x,y) pixel isn't in viewport, make empty rect)
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if(xf < curViewports[i].TopLeftX ||
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yf < curViewports[i].TopLeftY ||
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xf >= curViewports[i].TopLeftX + curViewports[i].Width ||
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yf >= curViewports[i].TopLeftY + curViewports[i].Height)
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{
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newScissors[i].left = newScissors[i].top = newScissors[i].bottom = newScissors[i].right = 0;
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}
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else
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{
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newScissors[i].left = LONG(xf - curViewports[i].TopLeftX);
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newScissors[i].top = LONG(yf - curViewports[i].TopLeftY);
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newScissors[i].right = newScissors[i].left+1;
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newScissors[i].bottom = newScissors[i].top+1;
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}
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}
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// scissor every viewport
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m_pImmediateContext->RSSetScissorRects(curNumViews, newScissors);
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m_pImmediateContext->Begin(occl[ev]);
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m_WrappedDevice->ReplayLog(frameID, 0, events[ev], eReplay_OnlyDraw);
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m_pImmediateContext->End(occl[ev]);
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m_pImmediateContext->PSSetShader(curPS, curInst, curNumInst);
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m_pImmediateContext->RSSetState(curRS);
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m_pImmediateContext->RSSetScissorRects(curNumScissors, curScissors);
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m_pImmediateContext->OMSetBlendState(curBS, blendFactor, curSample);
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m_pImmediateContext->OMSetDepthStencilState(curDS, stencilRef);
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for(UINT i=0; i < curNumInst; i++)
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SAFE_RELEASE(curInst[i]);
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SAFE_RELEASE(curPS);
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SAFE_RELEASE(curRS);
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SAFE_RELEASE(newRS);
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SAFE_RELEASE(curBS);
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SAFE_RELEASE(curDS);
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// deliberately include drawcall in this range so that it gets replayed with correct
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// state (otherwise this draw e.g. wouldn't write depth when it should)
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if(ev < events.size()-1)
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m_WrappedDevice->ReplayLog(frameID, events[ev], events[ev+1], eReplay_WithoutDraw);
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}
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for(size_t i=0; i < occl.size(); i++)
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{
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do
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{
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hr = m_pImmediateContext->GetData(occl[i], &occlData, sizeof(occlData), 0);
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} while(hr == S_FALSE);
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RDCASSERT(hr == S_OK);
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if(occlData > 0)
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{
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PixelModification mod;
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RDCEraseEl(mod);
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mod.eventID = events[i];
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mod.preMod.value_f[0] = 1.0f;
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mod.preMod.value_f[1] = 2.0f;
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mod.preMod.value_f[2] = 3.0f;
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mod.preMod.value_f[3] = 4.0f;
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mod.postMod.value_f[0] = mod.shaderOut.value_f[0] = 4.0f;
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mod.postMod.value_f[1] = mod.shaderOut.value_f[1] = 1.0f;
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mod.postMod.value_f[2] = mod.shaderOut.value_f[2] = 3.0f;
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mod.postMod.value_f[3] = mod.shaderOut.value_f[3] = 2.0f;
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history.push_back(mod);
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RDCDEBUG("Event %u is visible", events[i]);
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if(sizeof(occlData) == sizeof(UINT64)) // if we've changed from OCCLUSION_PREDICATE to OCCLUSION for debugging
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RDCDEBUG(" %llu samples visible", occlData);
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}
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SAFE_RELEASE(occl[i]);
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}
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SAFE_RELEASE(nopBlendState);
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SAFE_RELEASE(nopDSState);
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return history;
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}
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