dolphin/Source/Plugins/Plugin_VideoDX11/Src/VertexShaderCache.h

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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _VERTEXSHADERCACHE_H
#define _VERTEXSHADERCACHE_H
#include <map>
#include "D3DBase.h"
#include "D3DBlob.h"
class VERTEXSHADERUID;
namespace DX11 {
class VertexShaderCache
{
public:
static void Init();
static void Clear();
static void Shutdown();
static bool SetShader(u32 components); // TODO: Should be renamed to LoadShader
static ID3D11VertexShader* GetActiveShader() { return last_entry->shader; }
static D3DBlob* GetActiveShaderBytecode() { return last_entry->bytecode; }
static ID3D11Buffer* &GetConstantBuffer();
static ID3D11VertexShader* GetSimpleVertexShader();
static ID3D11VertexShader* GetClearVertexShader();
static ID3D11InputLayout* GetSimpleInputLayout();
static ID3D11InputLayout* GetClearInputLayout();
static bool VertexShaderCache::InsertByteCode(const VERTEXSHADERUID &uid, D3DBlob* bcodeblob);
private:
struct VSCacheEntry
{
ID3D11VertexShader* shader;
D3DBlob* bytecode; // needed to initialize the input layout
int frameCount;
VSCacheEntry() : shader(NULL), bytecode(NULL), frameCount(0) {}
void SetByteCode(D3DBlob* blob)
{
SAFE_RELEASE(bytecode);
bytecode = blob;
blob->AddRef();
}
void Destroy()
{
SAFE_RELEASE(shader);
SAFE_RELEASE(bytecode);
}
};
typedef std::map<VERTEXSHADERUID, VSCacheEntry> VSCache;
static VSCache vshaders;
static const VSCacheEntry* last_entry;
};
} // namespace DX11
#endif // _VERTEXSHADERCACHE_H