snes9x/win32/CDirect3D.h

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/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
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#ifndef W9XDIRECT3D_H
#define W9XDIRECT3D_H
#define MAX_SHADER_TEXTURES 8
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#include <d3d9.h>
#include <windows.h>
#include "cgFunctions.h"
#include "CD3DCG.h"
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#include "render.h"
#include "wsnes9x.h"
#include "IS9xDisplayOutput.h"
#define FVF_COORDS_TEX D3DFVF_XYZ | D3DFVF_TEX1
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typedef struct _VERTEX {
float x, y, z;
float tx, ty;
float lutx, luty;
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_VERTEX() {}
_VERTEX(float x,float y,float z,float tx,float ty,float lutx, float luty) {
this->x=x;this->y=y;this->z=z;this->tx=tx;this->ty=ty;this->lutx=lutx;this->luty=luty;
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}
} VERTEX; //our custom vertex with a constuctor for easier assignment
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enum current_d3d_shader_type { D3D_SHADER_NONE, D3D_SHADER_CG };
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class CDirect3D: public IS9xDisplayOutput
{
private:
bool init_done; //has initialize been called?
LPDIRECT3D9 pD3D;
LPDIRECT3DDEVICE9 pDevice;
LPDIRECT3DTEXTURE9 drawSurface; //the texture used for all drawing operations
LPDIRECT3DVERTEXBUFFER9 vertexBuffer;
D3DPRESENT_PARAMETERS dPresentParams;
unsigned int filterScale; //the current maximum filter scale (at least 2)
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unsigned int afterRenderWidth, afterRenderHeight; //dimensions after filter has been applied
unsigned int quadTextureSize; //size of the texture (only multiples of 2)
bool fullscreen; //are we currently displaying in fullscreen mode
VERTEX vertexStream[4]; //the 4 vertices that make up our display rectangle
static const D3DVERTEXELEMENT9 vertexElems[4];
LPDIRECT3DVERTEXDECLARATION9 vertexDeclaration;
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LPDIRECT3DTEXTURE9 rubyLUT[MAX_SHADER_TEXTURES];
CGcontext cgContext;
current_d3d_shader_type shader_type;
bool cgAvailable;
CD3DCG *cgShader;
float shaderTimer;
int shaderTimeStart;
int shaderTimeElapsed;
int frameCount;
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bool BlankTexture(LPDIRECT3DTEXTURE9 texture);
void CreateDrawSurface();
void DestroyDrawSurface();
bool ChangeDrawSurfaceSize(unsigned int scale);
void SetViewport();
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void SetupVertices();
bool ResetDevice();
void SetFiltering();
bool SetShader(const TCHAR *file);
void checkForCgError(const char *situation);
bool SetShaderCG(const TCHAR *file);
void Clear();
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public:
CDirect3D();
~CDirect3D();
bool Initialize(HWND hWnd) override;
void DeInitialize() override;
void Render(SSurface Src) override;
bool ChangeRenderSize(unsigned int newWidth, unsigned int newHeight) override;
bool ApplyDisplayChanges(void) override;
bool SetFullscreen(bool fullscreen) override;
void SetSnes9xColorFormat() override;
void EnumModes(std::vector<dMode> *modeVector) override;
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};
#endif