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#pragma once
#include "D3D11Includes.h"
#include "Runtime/GfxDevice/GfxDeviceTypes.h"
#define DEBUG_D3D11_CONSTANT_BUFFER_STATS 0
#if DEBUG_D3D11_CONSTANT_BUFFER_STATS
#include <map>
#endif
class ConstantBuffersD3D11
{
public:
ConstantBuffersD3D11();
~ConstantBuffersD3D11() { Clear(); }
void Clear();
void InvalidateState();
struct ConstBuffer {
int bindIndex[kShaderTypeCount];
unsigned bindStages;
bool dirty;
UInt8* data;
ID3D11Buffer* buffer;
#if DEBUG_D3D11_CONSTANT_BUFFER_STATS
int statsDirty;
int stats[kShaderTypeCount]
int* tryCounts;
int* changeCounts;
#endif
};
void SetCBInfo (int id, int size);
int FindAndBindCB (int id, ShaderType shaderType, int bind, int size);
void ResetBinds (ShaderType shaderType);
void SetBuiltinCBConstant (int id, int offset, const void* data, int size);
void SetCBConstant (int index, int offset, const void* data, int size);
void UpdateBuffers();
void NewFrame();
private:
inline int GetCBIndexByID (int id) const
{
UInt32 key = id;
int n = m_BufferKeys.size();
for (int i = 0; i < n; ++i)
{
if ((m_BufferKeys[i]&0xFFFF) == key)
return i;
}
Assert (false);
return -1;
}
private:
typedef std::vector<UInt32> ConstBufferKeys;
typedef std::vector<ConstBuffer> ConstBuffers;
ConstBufferKeys m_BufferKeys;
ConstBuffers m_Buffers;
ID3D11Buffer* m_ActiveBuffers[kShaderTypeCount][16];
};
#if !DEBUG_D3D11_CONSTANT_BUFFER_STATS
inline void ConstantBuffersD3D11::NewFrame() { }
#endif
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