99 lines
4.1 KiB
C++
99 lines
4.1 KiB
C++
// Copyright 2017 The NXT Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "backend/d3d12/DepthStencilStateD3D12.h"
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#include "common/BitSetIterator.h"
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namespace backend { namespace d3d12 {
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static D3D12_STENCIL_OP StencilOp(nxt::StencilOperation op) {
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switch (op) {
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case nxt::StencilOperation::Keep:
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return D3D12_STENCIL_OP_KEEP;
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case nxt::StencilOperation::Zero:
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return D3D12_STENCIL_OP_ZERO;
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case nxt::StencilOperation::Replace:
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return D3D12_STENCIL_OP_REPLACE;
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case nxt::StencilOperation::IncrementClamp:
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return D3D12_STENCIL_OP_INCR_SAT;
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case nxt::StencilOperation::DecrementClamp:
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return D3D12_STENCIL_OP_DECR_SAT;
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case nxt::StencilOperation::Invert:
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return D3D12_STENCIL_OP_INVERT;
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case nxt::StencilOperation::IncrementWrap:
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return D3D12_STENCIL_OP_INCR;
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case nxt::StencilOperation::DecrementWrap:
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return D3D12_STENCIL_OP_DECR;
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default:
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UNREACHABLE();
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}
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}
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static D3D12_COMPARISON_FUNC ComparisonFunc(nxt::CompareFunction func) {
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switch (func) {
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case nxt::CompareFunction::Always:
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return D3D12_COMPARISON_FUNC_ALWAYS;
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case nxt::CompareFunction::Equal:
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return D3D12_COMPARISON_FUNC_EQUAL;
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case nxt::CompareFunction::Greater:
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return D3D12_COMPARISON_FUNC_GREATER;
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case nxt::CompareFunction::GreaterEqual:
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return D3D12_COMPARISON_FUNC_GREATER_EQUAL;
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case nxt::CompareFunction::Less:
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return D3D12_COMPARISON_FUNC_LESS;
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case nxt::CompareFunction::LessEqual:
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return D3D12_COMPARISON_FUNC_LESS_EQUAL;
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case nxt::CompareFunction::Never:
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return D3D12_COMPARISON_FUNC_NEVER;
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case nxt::CompareFunction::NotEqual:
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return D3D12_COMPARISON_FUNC_NOT_EQUAL;
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default:
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UNREACHABLE();
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}
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}
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static D3D12_DEPTH_STENCILOP_DESC StencilOpDesc(
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backend::DepthStencilStateBase::StencilFaceInfo faceInfo) {
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D3D12_DEPTH_STENCILOP_DESC desc;
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desc.StencilFailOp = StencilOp(faceInfo.stencilFail);
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desc.StencilDepthFailOp = StencilOp(faceInfo.depthFail);
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desc.StencilPassOp = StencilOp(faceInfo.depthStencilPass);
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desc.StencilFunc = ComparisonFunc(faceInfo.compareFunction);
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return desc;
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}
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DepthStencilState::DepthStencilState(Device* device, DepthStencilStateBuilder* builder)
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: DepthStencilStateBase(builder), mDevice(device) {
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mDepthStencilDescriptor.DepthEnable = TRUE;
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mDepthStencilDescriptor.DepthWriteMask =
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GetDepth().depthWriteEnabled ? D3D12_DEPTH_WRITE_MASK_ALL : D3D12_DEPTH_WRITE_MASK_ZERO;
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mDepthStencilDescriptor.DepthFunc = ComparisonFunc(GetDepth().compareFunction);
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mDepthStencilDescriptor.StencilEnable = StencilTestEnabled() ? TRUE : FALSE;
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mDepthStencilDescriptor.StencilReadMask = static_cast<UINT8>(GetStencil().readMask);
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mDepthStencilDescriptor.StencilWriteMask = static_cast<UINT8>(GetStencil().writeMask);
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mDepthStencilDescriptor.FrontFace = StencilOpDesc(GetStencil().front);
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mDepthStencilDescriptor.BackFace = StencilOpDesc(GetStencil().back);
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}
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const D3D12_DEPTH_STENCIL_DESC& DepthStencilState::GetD3D12DepthStencilDescriptor() const {
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return mDepthStencilDescriptor;
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}
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}} // namespace backend::d3d12
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