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// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// 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 sw_VertexProgram_hpp
#define sw_VertexProgram_hpp
#include "VertexRoutine.hpp"
#include "ShaderCore.hpp"
#include "SamplerCore.hpp"
#include "Device/Stream.hpp"
#include "System/Types.hpp"
namespace sw
{
struct Stream;
class VertexProgram : public VertexRoutine, public ShaderCore
{
public:
VertexProgram(
const VertexProcessor::State &state,
vk::PipelineLayout const *pipelineLayout,
SpirvShader const *spirvShader);
virtual ~VertexProgram();
private:
Int enableIndex;
Array<Int4, 1 + 24> enableStack;
void program(UInt &index) override;
RValue<Pointer<Byte>> uniformAddress(int bufferIndex, unsigned int index);
RValue<Pointer<Byte>> uniformAddress(int bufferIndex, unsigned int index, Int &offset);
Int4 enableMask();
int ifDepth;
int loopRepDepth;
int currentLabel;
bool whileTest;
BasicBlock *ifFalseBlock[24 + 24];
BasicBlock *loopRepTestBlock[4];
BasicBlock *loopRepEndBlock[4];
BasicBlock *labelBlock[2048];
std::vector<BasicBlock*> callRetBlock[2048];
BasicBlock *returnBlock;
bool isConditionalIf[24 + 24];
};
}
#endif // sw_VertexProgram_hpp