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dxvk/src/dxbc/dxbc_analysis.h
Philip Rebohle 102591369e
[dxbc] Add DxbcModuleInfo struct
This will be required in the future to pass data from the
application to the shader compiler.
2018-06-23 17:14:35 +02:00

84 lines
1.8 KiB
C++

#pragma once
#include "dxbc_chunk_isgn.h"
#include "dxbc_decoder.h"
#include "dxbc_defs.h"
#include "dxbc_names.h"
#include "dxbc_modinfo.h"
#include "dxbc_util.h"
namespace dxvk {
/**
* \brief Info about unordered access views
*
* Stores whether an UAV is accessed with typed
* read or atomic instructions. This information
* will be used to generate image types.
*/
struct DxbcUavInfo {
bool accessTypedLoad = false;
bool accessAtomicOp = false;
};
/**
* \brief Counts cull and clip distances
*/
struct DxbcClipCullInfo {
uint32_t numClipPlanes = 0;
uint32_t numCullPlanes = 0;
};
/**
* \brief Shader analysis info
*/
struct DxbcAnalysisInfo {
std::array<DxbcUavInfo, 64> uavInfos;
DxbcClipCullInfo clipCullIn;
DxbcClipCullInfo clipCullOut;
bool usesDerivatives = false;
bool usesKill = false;
};
/**
* \brief DXBC shader analysis pass
*
* Collects information about the shader itself
* and the resources used by the shader, which
* will later be used by the actual compiler.
*/
class DxbcAnalyzer {
public:
DxbcAnalyzer(
const DxbcModuleInfo& moduleInfo,
const DxbcProgramVersion& version,
const Rc<DxbcIsgn>& isgn,
const Rc<DxbcIsgn>& osgn,
DxbcAnalysisInfo& analysis);
~DxbcAnalyzer();
/**
* \brief Processes a single instruction
* \param [in] ins The instruction
*/
void processInstruction(
const DxbcShaderInstruction& ins);
private:
Rc<DxbcIsgn> m_isgn;
Rc<DxbcIsgn> m_osgn;
DxbcAnalysisInfo* m_analysis = nullptr;
DxbcClipCullInfo getClipCullInfo(
const Rc<DxbcIsgn>& sgn) const;
};
}