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//
// Copyright 2019 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// FrameCapture.h:
// ANGLE Frame capture inteface.
//
#ifndef LIBANGLE_FRAME_CAPTURE_H_
#define LIBANGLE_FRAME_CAPTURE_H_
#include "common/PackedEnums.h"
#include "libANGLE/Context.h"
#include "libANGLE/angletypes.h"
#include "libANGLE/frame_capture_utils_autogen.h"
#include <tuple>
namespace angle
{
struct ParamCapture : angle::NonCopyable
{
ParamCapture();
ParamCapture(const char *nameIn, ParamType typeIn);
~ParamCapture();
ParamCapture(ParamCapture &&other);
ParamCapture &operator=(ParamCapture &&other);
std::string name;
ParamType type;
ParamValue value;
std::vector<std::vector<uint8_t>> data;
int arrayClientPointerIndex = -1;
size_t readBufferSize = 0;
};
class ParamBuffer final : angle::NonCopyable
{
public:
ParamBuffer();
~ParamBuffer();
ParamBuffer(ParamBuffer &&other);
ParamBuffer &operator=(ParamBuffer &&other);
template <typename T>
void addValueParam(const char *paramName, ParamType paramType, T paramValue);
ParamCapture &getParam(const char *paramName, ParamType paramType, int index);
void addParam(ParamCapture &¶m);
bool hasClientArrayData() const { return mClientArrayDataParam != -1; }
ParamCapture &getClientArrayPointerParameter();
size_t getReadBufferSize() const { return mReadBufferSize; }
const std::vector<ParamCapture> &getParamCaptures() const { return mParamCaptures; }
private:
std::vector<ParamCapture> mParamCaptures;
int mClientArrayDataParam = -1;
size_t mReadBufferSize = 0;
};
struct CallCapture
{
CallCapture(const char *nameIn, ParamBuffer &¶msIn);
~CallCapture();
CallCapture(CallCapture &&other);
CallCapture &operator=(CallCapture &&other);
std::string name;
ParamBuffer params;
};
class FrameCapture final : angle::NonCopyable
{
public:
FrameCapture();
~FrameCapture();
void captureCall(const gl::Context *context, CallCapture &&call);
void onEndFrame();
bool enabled() const;
private:
// <CallName, ParamName>
using Counter = std::tuple<std::string, std::string>;
void captureClientArraySnapshot(const gl::Context *context,
size_t vertexCount,
size_t instanceCount);
void writeCallReplay(const CallCapture &call,
std::ostream &out,
std::ostream &header,
std::vector<uint8_t> *binaryData);
void reset();
int getAndIncrementCounter(const std::string &callName, const std::string ¶mName);
bool anyClientArray() const;
void saveCapturedFrameAsCpp();
std::vector<CallCapture> mCalls;
gl::AttribArray<int> mClientVertexArrayMap;
size_t mFrameIndex;
gl::AttribArray<size_t> mClientArraySizes;
std::map<Counter, int> mDataCounters;
size_t mReadBufferSize;
};
template <typename CaptureFuncT, typename ValidationFuncT, typename... ArgsT>
void CaptureCallToFrameCapture(const char *entryPointName,
CaptureFuncT captureFunc,
ValidationFuncT validationFunc,
gl::Context *context,
ArgsT... captureParams)
{
FrameCapture *frameCapture = context->getFrameCapture();
if (!frameCapture->enabled())
return;
bool isCallValid = validationFunc(context, captureParams...);
CallCapture call = captureFunc(context, isCallValid, captureParams...);
frameCapture->captureCall(context, std::move(call));
}
template <typename T>
void ParamBuffer::addValueParam(const char *paramName, ParamType paramType, T paramValue)
{
ParamCapture capture(paramName, paramType);
InitParamValue(paramType, paramValue, &capture.value);
mParamCaptures.emplace_back(std::move(capture));
}
std::ostream &operator<<(std::ostream &os, const ParamCapture &capture);
// Pointer capture helpers.
void CaptureMemory(const void *source, size_t size, ParamCapture *paramCapture);
void CaptureString(const GLchar *str, ParamCapture *paramCapture);
template <ParamType ParamT, typename T>
void WriteParamValueToStream(std::ostream &os, T value);
template <>
void WriteParamValueToStream<ParamType::TGLboolean>(std::ostream &os, GLboolean value);
template <>
void WriteParamValueToStream<ParamType::TvoidConstPointer>(std::ostream &os, const void *value);
template <>
void WriteParamValueToStream<ParamType::TGLDEBUGPROCKHR>(std::ostream &os, GLDEBUGPROCKHR value);
template <>
void WriteParamValueToStream<ParamType::TGLDEBUGPROC>(std::ostream &os, GLDEBUGPROC value);
// General fallback for any unspecific type.
template <ParamType ParamT, typename T>
void WriteParamValueToStream(std::ostream &os, T value)
{
os << value;
}
} // namespace angle
#endif // LIBANGLE_FRAME_CAPTURE_H_
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