dawn-cmake/src/backend/common/DepthStencilState.h

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// Copyright 2017 The NXT Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef BACKEND_COMMON_DEPTHSTENCILSTATE_H_
#define BACKEND_COMMON_DEPTHSTENCILSTATE_H_
#include "Forward.h"
#include "Builder.h"
#include "RefCounted.h"
#include "nxt/nxtcpp.h"
namespace backend {
class DepthStencilStateBase : public RefCounted {
public:
DepthStencilStateBase(DepthStencilStateBuilder* builder);
struct DepthInfo {
nxt::CompareFunction compareFunction = nxt::CompareFunction::Always;
bool depthWriteEnabled = false;
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};
struct StencilFaceInfo {
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nxt::CompareFunction compareFunction = nxt::CompareFunction::Always;
nxt::StencilOperation stencilFail = nxt::StencilOperation::Keep;
nxt::StencilOperation depthFail = nxt::StencilOperation::Keep;
nxt::StencilOperation depthStencilPass = nxt::StencilOperation::Keep;
};
struct StencilInfo {
StencilFaceInfo back;
StencilFaceInfo front;
uint32_t readMask = 0xff;
uint32_t writeMask = 0xff;
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};
bool DepthTestEnabled() const;
bool StencilTestEnabled() const;
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const DepthInfo& GetDepth() const;
const StencilInfo& GetStencil() const;
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private:
DepthInfo depthInfo;
StencilInfo stencilInfo;
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};
class DepthStencilStateBuilder : public Builder<DepthStencilStateBase> {
public:
DepthStencilStateBuilder(DeviceBase* device);
// NXT API
void SetDepthCompareFunction(nxt::CompareFunction depthCompareFunction);
void SetDepthWriteEnabled(bool enabled);
void SetStencilFunction(nxt::Face face, nxt::CompareFunction stencilCompareFunction,
nxt::StencilOperation stencilFail, nxt::StencilOperation depthFail, nxt::StencilOperation depthStencilPass);
void SetStencilMask(uint32_t readMask, uint32_t writeMask);
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private:
friend class DepthStencilStateBase;
DepthStencilStateBase* GetResultImpl() override;
int propertiesSet = 0;
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DepthStencilStateBase::DepthInfo depthInfo;
DepthStencilStateBase::StencilInfo stencilInfo;
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};
}
#endif // BACKEND_COMMON_DEPTHSTENCILSTATE_H_