blob: 54cd4088e2adc16448853558ff82ee27ff492cb5 [file] [log] [blame]
// 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.
#include "VertexProgram.hpp"
#include "SamplerCore.hpp"
#include "Device/Renderer.hpp"
#include "Device/Vertex.hpp"
#include "System/Half.hpp"
#include "Vulkan/VkDebug.hpp"
namespace sw
{
VertexProgram::VertexProgram(const VertexProcessor::State &state, SpirvShader const *spirvShader)
: VertexRoutine(state, spirvShader)
{
ifDepth = 0;
loopRepDepth = 0;
currentLabel = -1;
whileTest = false;
enableStack[0] = Int4(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
auto it = spirvShader->inputBuiltins.find(spv::BuiltInInstanceIndex);
if (it != spirvShader->inputBuiltins.end())
{
// TODO: we could do better here; we know InstanceIndex is uniform across all lanes
assert(it->second.SizeInComponents == 1);
routine.getValue(it->second.Id)[it->second.FirstComponent] =
As<Float4>(Int4((*Pointer<Int>(data + OFFSET(DrawData, instanceID)))));
}
}
VertexProgram::~VertexProgram()
{
}
void VertexProgram::program(UInt &index)
{
// shader->print("VertexShader-%0.8X.txt", state.shaderID);
enableIndex = 0;
auto it = spirvShader->inputBuiltins.find(spv::BuiltInVertexIndex);
if (it != spirvShader->inputBuiltins.end())
{
assert(it->second.SizeInComponents == 1);
routine.getValue(it->second.Id)[it->second.FirstComponent] =
As<Float4>(Int4(index) + Int4(0, 1, 2, 3));
}
spirvShader->emit(&routine);
if(currentLabel != -1)
{
Nucleus::setInsertBlock(returnBlock);
}
}
RValue<Pointer<Byte>> VertexProgram::uniformAddress(int bufferIndex, unsigned int index)
{
if(bufferIndex == -1)
{
return data + OFFSET(DrawData, vs.c[index]);
}
else
{
return *Pointer<Pointer<Byte>>(data + OFFSET(DrawData, vs.u[bufferIndex])) + index;
}
}
RValue<Pointer<Byte>> VertexProgram::uniformAddress(int bufferIndex, unsigned int index, Int &offset)
{
return uniformAddress(bufferIndex, index) + offset * sizeof(float4);
}
Int4 VertexProgram::enableMask()
{
Int4 enable = true ? Int4(enableStack[enableIndex]) : Int4(0xFFFFFFFF);
return enable;
}
}