wined3d_private.h

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

    /* IUnknown  Information */
    const IWineD3DVertexDeclarationVtbl *lpVtbl;
    LONG                    ref;

    IUnknown                *parent;
    IWineD3DDeviceImpl      *wineD3DDevice;

    WINED3DVERTEXELEMENT    *pDeclarationWine;
    UINT                    declarationWNumElements;

    DWORD                   streams[MAX_STREAMS];
    UINT                    num_streams;
    BOOL                    position_transformed;
} IWineD3DVertexDeclarationImpl;

extern const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl;

/*****************************************************************************
 * IWineD3DStateBlock implementation structure
 */

/* Internal state Block for Begin/End/Capture/Create/Apply info  */
/*   Note: Very long winded but gl Lists are not flexible enough */
/*   to resolve everything we need, so doing it manually for now */
typedef struct SAVEDSTATES {
        BOOL                      indices;
        BOOL                      material;
        BOOL                      fvf;
        BOOL                      streamSource[MAX_STREAMS];
        BOOL                      streamFreq[MAX_STREAMS];
        BOOL                      textures[MAX_COMBINED_SAMPLERS];
        BOOL                      transform[HIGHEST_TRANSFORMSTATE + 1];
        BOOL                      viewport;
        BOOL                      renderState[WINEHIGHEST_RENDER_STATE + 1];
        BOOL                      textureState[MAX_TEXTURES][WINED3D_HIGHEST_TEXTURE_STATE + 1];
        BOOL                      samplerState[MAX_COMBINED_SAMPLERS][WINED3D_HIGHEST_SAMPLER_STATE + 1];
        BOOL                      clipplane[MAX_CLIPPLANES];
        BOOL                      vertexDecl;
        BOOL                      pixelShader;
        BOOL                      pixelShaderConstantsB[MAX_CONST_B];
        BOOL                      pixelShaderConstantsI[MAX_CONST_I];
        BOOL                     *pixelShaderConstantsF;
        BOOL                      vertexShader;
        BOOL                      vertexShaderConstantsB[MAX_CONST_B];
        BOOL                      vertexShaderConstantsI[MAX_CONST_I];
        BOOL                     *vertexShaderConstantsF;
        BOOL                      scissorRect;
} SAVEDSTATES;

typedef struct {
    struct  list entry;
    DWORD   count;
    DWORD   idx[13];
} constants_entry;

struct StageState {
    DWORD stage;
    DWORD state;
};

struct IWineD3DStateBlockImpl
{
    /* IUnknown fields */
    const IWineD3DStateBlockVtbl *lpVtbl;
    LONG                      ref;     /* Note: Ref counting not required */

    /* IWineD3DStateBlock information */
    IUnknown                 *parent;
    IWineD3DDeviceImpl       *wineD3DDevice;
    WINED3DSTATEBLOCKTYPE     blockType;

    /* Array indicating whether things have been set or changed */
    SAVEDSTATES               changed;
    struct list               set_vconstantsF;
    struct list               set_pconstantsF;

    /* Drawing - Vertex Shader or FVF related */
    DWORD                     fvf;
    /* Vertex Shader Declaration */
    IWineD3DVertexDeclaration *vertexDecl;

    IWineD3DVertexShader      *vertexShader;

    /* Vertex Shader Constants */
    BOOL                       vertexShaderConstantB[MAX_CONST_B];
    INT                        vertexShaderConstantI[MAX_CONST_I * 4];
    float                     *vertexShaderConstantF;

    /* Stream Source */
    BOOL                      streamIsUP;
    UINT                      streamStride[MAX_STREAMS];
    UINT                      streamOffset[MAX_STREAMS + 1 /* tesselated pseudo-stream */ ];
    IWineD3DVertexBuffer     *streamSource[MAX_STREAMS];
    UINT                      streamFreq[MAX_STREAMS + 1];
    UINT                      streamFlags[MAX_STREAMS + 1];     /*0 | WINED3DSTREAMSOURCE_INSTANCEDATA | WINED3DSTREAMSOURCE_INDEXEDDATA  */

    /* Indices */
    IWineD3DIndexBuffer*      pIndexData;
    UINT                      baseVertexIndex;
    UINT                      loadBaseVertexIndex; /* non-indexed drawing needs 0 here, indexed baseVertexIndex */

    /* Transform */
    WINED3DMATRIX             transforms[HIGHEST_TRANSFORMSTATE + 1];

    /* Light hashmap . Collisions are handled using standard wine double linked lists */
#define LIGHTMAP_SIZE 43 /* Use of a prime number recommended. Set to 1 for a linked list! */
#define LIGHTMAP_HASHFUNC(x) ((x) % LIGHTMAP_SIZE) /* Primitive and simple function */
    struct list               lightMap[LIGHTMAP_SIZE]; /* Mashmap containing the lights */
    PLIGHTINFOEL             *activeLights[MAX_ACTIVE_LIGHTS]; /* Map of opengl lights to d3d lights */

    /* Clipping */
    double                    clipplane[MAX_CLIPPLANES][4];
    WINED3DCLIPSTATUS         clip_status;

    /* ViewPort */
    WINED3DVIEWPORT           viewport;

    /* Material */
    WINED3DMATERIAL           material;

    /* Pixel Shader */
    IWineD3DPixelShader      *pixelShader;

    /* Pixel Shader Constants */
    BOOL                       pixelShaderConstantB[MAX_CONST_B];
    INT                        pixelShaderConstantI[MAX_CONST_I * 4];
    float                     *pixelShaderConstantF;

    /* RenderState */
    DWORD                     renderState[WINEHIGHEST_RENDER_STATE + 1];

    /* Texture */
    IWineD3DBaseTexture      *textures[MAX_COMBINED_SAMPLERS];
    int                       textureDimensions[MAX_COMBINED_SAMPLERS];

    /* Texture State Stage */
    DWORD                     textureState[MAX_TEXTURES][WINED3D_HIGHEST_TEXTURE_STATE + 1];
    DWORD                     lowest_disabled_stage;
    /* Sampler States */
    DWORD                     samplerState[MAX_COMBINED_SAMPLERS][WINED3D_HIGHEST_SAMPLER_STATE + 1];

    /* Current GLSL Shader Program */
    struct glsl_shader_prog_link *glsl_program;

    /* Scissor test rectangle */
    RECT                      scissorRect;

    /* Contained state management */
    DWORD                     contained_render_states[WINEHIGHEST_RENDER_STATE + 1];
    unsigned int              num_contained_render_states;
    DWORD                     contained_transform_states[HIGHEST_TRANSFORMSTATE + 1];
    unsigned int              num_contained_transform_states;
    DWORD                     contained_vs_consts_i[MAX_CONST_I];
    unsigned int              num_contained_vs_consts_i;
    DWORD                     contained_vs_consts_b[MAX_CONST_B];
    unsigned int              num_contained_vs_consts_b;
    DWORD                     *contained_vs_consts_f;
    unsigned int              num_contained_vs_consts_f;
    DWORD                     contained_ps_consts_i[MAX_CONST_I];
    unsigned int              num_contained_ps_consts_i;
    DWORD                     contained_ps_consts_b[MAX_CONST_B];
    unsigned int              num_contained_ps_consts_b;
    DWORD                     *contained_ps_consts_f;
    unsigned int              num_contained_ps_consts_f;
    struct StageState         contained_tss_states[MAX_TEXTURES * (WINED3D_HIGHEST_TEXTURE_STATE)];
    unsigned int              num_contained_tss_states;
    struct StageState         contained_sampler_states[MAX_COMBINED_SAMPLERS * WINED3D_HIGHEST_SAMPLER_STATE];
    unsigned int              num_contained_sampler_states;
};

extern void stateblock_savedstates_set(
    IWineD3DStateBlock* iface,
    SAVEDSTATES* states,
    BOOL value);

extern void stateblock_savedstates_copy(
    IWineD3DStateBlock* iface,
    SAVEDSTATES* dest,
    SAVEDSTATES* source);

extern void stateblock_copy(
    IWineD3DStateBlock* destination,
    IWineD3DStateBlock* source);

extern const IWineD3DStateBlockVtbl IWineD3DStateBlock_Vtbl;

/*****************************************************************************
 * IWineD3DQueryImpl implementation structure (extends IUnknown)
 */
typedef struct IWineD3DQueryImpl
{
    const IWineD3DQueryVtbl  *lpVtbl;
    LONG                      ref;     /* Note: Ref counting not required */
    
    IUnknown                 *parent;
    /*TODO: replace with iface usage */
#if 0
    IWineD3DDevice         *wineD3DDevice;
#else
    IWineD3DDeviceImpl       *wineD3DDevice;
#endif

    /* IWineD3DQuery fields */
    WINED3DQUERYTYPE         type;
    /* TODO: Think about using a IUnknown instead of a void* */
    void                     *extendedData;
    
  
} IWineD3DQueryImpl;

extern const IWineD3DQueryVtbl IWineD3DQuery_Vtbl;

/* Datastructures for IWineD3DQueryImpl.extendedData */
typedef struct  WineQueryOcclusionData {
    GLuint  queryId;
} WineQueryOcclusionData;

typedef struct  WineQueryEventData {
    GLuint  fenceId;
} WineQueryEventData;

/*****************************************************************************
 * IWineD3DSwapChainImpl implementation structure (extends IUnknown)
 */

typedef struct IWineD3DSwapChainImpl
{
    /*IUnknown part*/
    const IWineD3DSwapChainVtbl *lpVtbl;
    LONG                      ref;     /* Note: Ref counting not required */

    IUnknown                 *parent;
    IWineD3DDeviceImpl       *wineD3DDevice;

    /* IWineD3DSwapChain fields */
    IWineD3DSurface         **backBuffer;
    IWineD3DSurface          *frontBuffer;
    BOOL                      wantsDepthStencilBuffer;
    WINED3DPRESENT_PARAMETERS presentParms;
    DWORD                     orig_width, orig_height;
    WINED3DFORMAT             orig_fmt;

    long prev_time, frames;   /* Performance tracking */
    unsigned int vSyncCounter;

    WineD3DContext        **context; /* Later a array for multithreading */
    unsigned int            num_contexts;

    HWND                    win_handle;
} IWineD3DSwapChainImpl;

extern const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl;

WineD3DContext *IWineD3DSwapChainImpl_CreateContextForThread(IWineD3DSwapChain *iface);

/*****************************************************************************
 * Utility function prototypes 
 */

/* Trace routines */
const char* debug_d3dformat(WINED3DFORMAT fmt);
const char* debug_d3ddevicetype(WINED3DDEVTYPE devtype);
const char* debug_d3dresourcetype(WINED3DRESOURCETYPE res);
const char* debug_d3dusage(DWORD usage);
const char* debug_d3dusagequery(DWORD usagequery);
const char* debug_d3ddeclmethod(WINED3DDECLMETHOD method);
const char* debug_d3ddecltype(WINED3DDECLTYPE type);
const char* debug_d3ddeclusage(BYTE usage);
const char* debug_d3dprimitivetype(WINED3DPRIMITIVETYPE PrimitiveType);
const char* debug_d3drenderstate(DWORD state);
const char* debug_d3dsamplerstate(DWORD state);
const char* debug_d3dtexturefiltertype(WINED3DTEXTUREFILTERTYPE filter_type);
const char* debug_d3dtexturestate(DWORD state);
const char* debug_d3dtstype(WINED3DTRANSFORMSTATETYPE tstype);
const char* debug_d3dpool(WINED3DPOOL pool);
const char *debug_fbostatus(GLenum status);
const char *debug_glerror(GLenum error);
const char *debug_d3dbasis(WINED3DBASISTYPE basis);
const char *debug_d3ddegree(WINED3DDEGREETYPE order);

/* Routines for GL <-> D3D values */
GLenum StencilOp(DWORD op);
GLenum CompareFunc(DWORD func);
void   set_tex_op(IWineD3DDevice *iface, BOOL isAlpha, int Stage, WINED3DTEXTUREOP op, DWORD arg1, DWORD arg2, DWORD arg3);
void   set_tex_op_nvrc(IWineD3DDevice *iface, BOOL is_alpha, int stage, WINED3DTEXTUREOP op, DWORD arg1, DWORD arg2, DWORD arg3, INT texture_idx);
void   set_texture_matrix(const float *smat, DWORD flags, BOOL calculatedCoords);

void surface_set_compatible_renderbuffer(IWineD3DSurface *iface, unsigned int width, unsigned int height);
GLenum surface_get_gl_buffer(IWineD3DSurface *iface, IWineD3DSwapChain *swapchain);

BOOL getColorBits(WINED3DFORMAT fmt, short *redSize, short *greenSize, short *blueSize, short *alphaSize, short *totalSize);
BOOL getDepthStencilBits(WINED3DFORMAT fmt, short *depthSize, short *stencilSize);

/* Math utils */
void multiply_matrix(WINED3DMATRIX *dest, const WINED3DMATRIX *src1, const WINED3DMATRIX *src2);

/*****************************************************************************
 * To enable calling of inherited functions, requires prototypes 
 *
 * Note: Only require classes which are subclassed, ie resource, basetexture, 
 */
    /*** IUnknown methods ***/
    extern HRESULT WINAPI IWineD3DResourceImpl_QueryInterface(IWineD3DResource *iface, REFIID riid, void** ppvObject);
    extern ULONG WINAPI IWineD3DResourceImpl_AddRef(IWineD3DResource *iface);
    extern ULONG WINAPI IWineD3DResourceImpl_Release(IWineD3DResource *iface);
    /*** IWineD3DResource methods ***/
    extern HRESULT WINAPI IWineD3DResourceImpl_GetParent(IWineD3DResource *iface, IUnknown **pParent);
    extern HRESULT WINAPI IWineD3DResourceImpl_GetDevice(IWineD3DResource *iface, IWineD3DDevice ** ppDevice);
    extern HRESULT WINAPI IWineD3DResourceImpl_SetPrivateData(IWineD3DResource *iface, REFGUID  refguid, CONST void * pData, DWORD  SizeOfData, DWORD  Flags);
    extern HRESULT WINAPI IWineD3DResourceImpl_GetPrivateData(IWineD3DResource *iface, REFGUID  refguid, void * pData