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Geometrically correct viewport rectangle clamp for D3D

This commit is contained in:
Jack Andersen 2016-02-26 16:02:54 -10:00
parent cf9e9d80eb
commit 94343c645a
2 changed files with 10 additions and 21 deletions
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7
lib/graphicsdev/D3D11.cpp
View File

@ -902,9 +902,10 @@ struct D3D11CommandQueue : IGraphicsCommandQueue
}
else
{
int y = tlOrigin ? rect.location[1] : (tex->m_height - rect.size[1] - rect.location[1]);
D3D11_BOX box = {UINT(std::max(0, rect.location[0])), UINT(std::max(0, y)), 0,
UINT(std::max(0, rect.location[0] + rect.size[0])), UINT(std::max(0, y + rect.size[1])), 1};
SWindowRect intersectRect = rect.intersect(SWindowRect(0, 0, tex->m_width, tex->m_height));
int y = tlOrigin ? intersectRect.location[1] : (tex->m_height - intersectRect.size[1] - intersectRect.location[1]);
D3D11_BOX box = {UINT(intersectRect.location[0]), UINT(y), 0,
UINT(intersectRect.location[0] + intersectRect.size[0]), UINT(y + intersectRect.size[1]), 1};
m_deferredCtx->CopySubresourceRegion1(tex->m_colorBindTex.Get(), 0, box.left, box.top, 0,
tex->m_colorTex.Get(), 0, &box, D3D11_COPY_DISCARD);
}

24
lib/graphicsdev/D3D12.cpp
View File

@ -448,11 +448,11 @@ class D3D12TextureR : public ITextureR
}
ThrowIfFailed(ctx->m_dev->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), D3D12_HEAP_FLAG_NONE,
&rtvresdesc, D3D12_RESOURCE_STATE_COPY_SOURCE, &CD3DX12_CLEAR_VALUE(DXGI_FORMAT_R8G8B8A8_UNORM, BLACK_COLOR),
&rtvresdesc, D3D12_RESOURCE_STATE_RENDER_TARGET, nullptr,
__uuidof(ID3D12Resource), &m_colorTex));
ThrowIfFailed(ctx->m_dev->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), D3D12_HEAP_FLAG_NONE,
&dsvresdesc, D3D12_RESOURCE_STATE_COPY_SOURCE, &CD3DX12_CLEAR_VALUE(DXGI_FORMAT_D24_UNORM_S8_UINT, 1.0, 0),
&dsvresdesc, D3D12_RESOURCE_STATE_DEPTH_WRITE, nullptr,
__uuidof(ID3D12Resource), &m_depthTex));
D3D12_RENDER_TARGET_VIEW_DESC rtvvdesc = {DXGI_FORMAT_R8G8B8A8_UNORM, rtvDim};
@ -1097,22 +1097,9 @@ struct D3D12CommandQueue : IGraphicsCommandQueue
{
D3D12TextureR* ctarget = static_cast<D3D12TextureR*>(target);
if (m_boundTarget)
{
m_cmdList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_boundTarget->m_colorTex.Get(),
D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_COPY_SOURCE));
m_cmdList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_boundTarget->m_depthTex.Get(),
D3D12_RESOURCE_STATE_DEPTH_WRITE, D3D12_RESOURCE_STATE_COPY_SOURCE));
}
m_cmdList->OMSetRenderTargets(1, &ctarget->m_rtvHeap->GetCPUDescriptorHandleForHeapStart(),
false, &ctarget->m_dsvHeap->GetCPUDescriptorHandleForHeapStart());
m_cmdList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(ctarget->m_colorTex.Get(),
D3D12_RESOURCE_STATE_COPY_SOURCE, D3D12_RESOURCE_STATE_RENDER_TARGET));
m_cmdList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(ctarget->m_depthTex.Get(),
D3D12_RESOURCE_STATE_COPY_SOURCE, D3D12_RESOURCE_STATE_DEPTH_WRITE));
m_boundTarget = ctarget;
}
@ -1210,9 +1197,10 @@ struct D3D12CommandQueue : IGraphicsCommandQueue
}
else
{
int y = tlOrigin ? rect.location[1] : (tex->m_height - rect.size[1] - rect.location[1]);
D3D12_BOX box = {UINT(std::max(0, rect.location[0])), UINT(std::max(0, y)), 0,
UINT(std::max(0, rect.location[0] + rect.size[0])), UINT(std::max(0, y + rect.size[1])), 1};
SWindowRect intersectRect = rect.intersect(SWindowRect(0, 0, tex->m_width, tex->m_height));
int y = tlOrigin ? intersectRect.location[1] : (tex->m_height - intersectRect.size[1] - intersectRect.location[1]);
D3D12_BOX box = {UINT(intersectRect.location[0]), UINT(y), 0,
UINT(intersectRect.location[0] + intersectRect.size[0]), UINT(y + intersectRect.size[1]), 1};
D3D12_TEXTURE_COPY_LOCATION dst = {tex->m_colorBindTex.Get(), D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX};
dst.SubresourceIndex = 0;
D3D12_TEXTURE_COPY_LOCATION src = {tex->m_colorTex.Get(), D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX};