/*==========================================================================; * * Copyright (C) 1997 Microsoft Corporation. All Rights Reserved. * * File: d3dfe.hpp * Content: Direct3D internal include file * for geometry pipeline implementations * ***************************************************************************/ // DX8 Copy the whole file to DX8 #ifndef _D3DFE_H #define _D3DFE_H #include "d3dtypesp.h" #include "d3d8p.h" #include "lists.hpp" #include "d3ditype.h" class RTDebugMonitor; class CD3DDDI; class ID3DFE_PVFUNCS; struct CVStream; const DWORD __MAX_VERTEX_SIZE = 180; // Max size of FVF vertex in bytes //----------------------------------------------------------------------------- // "link" member should be the last, because we copy the structure using // offsetof(D3DMATRIXI, link) // #define D3DMATRIXI D3DMATRIX #define LPD3DMATRIXI LPD3DMATRIX // Bits for m_dwOutRegs const DWORD CPSGPShader_SPECULAR = 1 << 0; const DWORD CPSGPShader_DIFFUSE = 1 << 1; const DWORD CPSGPShader_POSITION = 1 << 2; const DWORD CPSGPShader_PSIZE = 1 << 3; const DWORD CPSGPShader_FOG = 1 << 4; //----------------------------------------------------------------------------- // Base class for PSGP vertex shader // PSGP should derive its internal shader object from the class and return it // in CreateShader call. // Desctructor should be implemented. // class CPSGPShader { public: virtual ~CPSGPShader() {} // The following data is initialized by Microsoft after CPSGPShader is // created // Defines output registers (except texture) written by the shader // This member is filled by Microsoft's pipeline. PSGP reads it. DWORD m_dwOutRegs; // Output FVF for this shaders DWORD m_dwOutFVF; // Diffuse color offset in the output vertex in bytes DWORD m_dwPointSizeOffset; // Diffuse color offset in the output vertex in bytes DWORD m_dwDiffuseOffset; // Specular color offset in the output vertex in bytes DWORD m_dwSpecularOffset; // Fog factor offset in the output vertex in bytes DWORD m_dwFogOffset; // Texture offset in the output vertex in bytes DWORD m_dwTextureOffset; // Output vertex size in bytes DWORD m_dwOutVerSize; // Number of output texture coordinate sets DWORD m_nOutTexCoord; // Size of each texture set in bytes DWORD m_dwOutTexCoordSize[D3DDP_MAXTEXCOORD]; }; //----------------------------------------------------------------------------- // // Software pipeline constants // //----------------------------------------------------------------------------- // Default color values that should be used when ther is no lighting and // color in vertices provided const DWORD __DEFAULT_DIFFUSE = 0xFFFFFFFF; const DWORD __DEFAULT_SPECULAR = 0; const DWORD __MAXUSERCLIPPLANES = 6; const DWORD __NUMELEMENTS = 17; const DWORD __NUMSTREAMS = __NUMELEMENTS; //----------------------------------------------------------------------------- // The CSetD3DFPstate is used to facilitate the changing of FPU settings. // In the constructor the optimal FPU state is set. In the destructor the // old state is restored. // class CD3DFPstate { public: CD3DFPstate() { #ifdef _X86_ WORD wTemp, wSave; wSavedFP = FALSE; // Disable floating point exceptions and go to single mode __asm fstcw wSave if (wSave & 0x300 || // Not single mode 0x3f != (wSave & 0x3f) || // Exceptions enabled wSave & 0xC00) // Not round to nearest mode { __asm { mov ax, wSave and ax, not 300h ;; single mode or ax, 3fh ;; disable all exceptions and ax, not 0xC00 ;; round to nearest mode mov wTemp, ax fldcw wTemp } wSavedFP = TRUE; } wSaveFP = wSave; #endif } ~CD3DFPstate() { #ifdef _X86_ WORD wSave = wSaveFP; if (wSavedFP) __asm { fnclex fldcw wSave } #endif } protected: #ifdef _X86_ WORD wSaveFP; WORD wSavedFP; // WORD-sized to make the data an even DWORD #endif }; #define RESPATH_D3D "Software\\Microsoft\\Direct3D" // this is not available for alpha or IA64 #ifndef LONG_MAX #define LONG_MAX 2147483647L /* maximum (signed) long value */ #endif //----------------------------------------------------------------------------- // Base definitions // // Size of Microsoft's internal clip vertex batch const DWORD VER_IN_BATCH = 8; typedef WORD D3DFE_CLIPCODE; struct BATCHBUFFER; //----------------------------------------------------------------------------- struct _D3DFE_LIGHTING; typedef struct _D3DFE_LIGHTING D3DFE_LIGHTING; struct _D3DI_LIGHT; typedef struct _D3DI_LIGHT D3DI_LIGHT; class D3DFE_PROCESSVERTICES; typedef class D3DFE_PROCESSVERTICES* LPD3DFE_PROCESSVERTICES; extern "C" { typedef void (*LIGHT_VERTEX_FUNC)(LPD3DFE_PROCESSVERTICES pv, D3DI_LIGHT *light, D3DVERTEX *pInpCoord, D3DVALUE* pWeights, BYTE* pMatrixIndices, D3DVECTOR *pInpNormal, D3DLIGHTINGELEMENT *pEyeSpaceData); typedef void (*PFN_LIGHTLOOP)(LPD3DFE_PROCESSVERTICES pv, DWORD dwVerCount, BATCHBUFFER *pBatchBuffer, D3DI_LIGHT *light, D3DVERTEX *in, D3DVALUE* pWeights, BYTE* pMatrixIndices, D3DVECTOR *pNormal, DWORD *pDiffuse, DWORD *pSpecular); } //----------------------------------------------------------------------------- // This is per texture stage data // typedef struct _D3DFE_TEXTURESTAGE { // Original value of the texture stage - input index DWORD dwInpCoordIndex; // Texture coord offset in the FVF vertex DWORD dwInpOffset; // Input index of the texture set is mapped to this output index DWORD dwOutCoordIndex; DWORD dwOrgStage; // Original texture stage DWORD dwOrgWrapMode; // Original WRAP mode // NULL if texture transform is disabled for the stage D3DMATRIXI *pmTextureTransform; // This is index to a table of functions which perform texture transform. // Index is computed as follow: // bits 0-1 - (number of input texture coordinates - 1) // bits 2-3 - (number of output texture coordinates - 1) DWORD dwTexTransformFuncIndex; // Mode of texture generation. This is the same value, passed with // D3DTSS_TEXCOORDINDEX, but with texture index stripped out. DWORD dwTexGenMode; // Set to TRUE, when we need to divide texture coordinates by the last // element of a texture coordinate set BOOL bDoTextureProjection; } D3DFE_TEXTURESTAGE, *LPD3DFE_TEXTURESTAGE; //----------------------------------------------------------------------------- typedef struct _RECTV { union { D3DVALUE x1; D3DVALUE dvX1; }; union { D3DVALUE y1; D3DVALUE dvY1; }; union { D3DVALUE x2; D3DVALUE dvX2; }; union { D3DVALUE y2; D3DVALUE dvY2; }; } D3DRECTV, *LPD3DRECTV; //----------------------------------------------------------------------------- /* * Lighting defines */ typedef struct _SpecularTable { LIST_MEMBER(_SpecularTable) list; float power; /* shininess power */ float table[260]; /* space for overflows */ } SpecularTable; typedef struct {D3DVALUE r,g,b;} D3DFE_COLOR; //----------------------------------------------------------------------------- // Internal version of lightdata and constants for "flags" member of D3DI_LIGHT // const DWORD D3DLIGHTI_ATT0_IS_NONZERO = 1 << 0; const DWORD D3DLIGHTI_ATT1_IS_NONZERO = 1 << 1; const DWORD D3DLIGHTI_ATT2_IS_NONZERO = 1 << 2; const DWORD D3DLIGHTI_LINEAR_FALLOFF = 1 << 3; // Set when light data is changed const DWORD D3DLIGHTI_DIRTY = 1 << 4; // This flag depends on D3DRS_SPACULARENABLE and light specular color const DWORD D3DLIGHTI_COMPUTE_SPECULAR = 1 << 5; // Set when the light is enabled const DWORD D3DLIGHTI_ENABLED = 1 << 7; const DWORD D3DLIGHTI_SPECULAR_IS_ZERO = 1 << 8; const DWORD D3DLIGHTI_AMBIENT_IS_ZERO = 1 << 9; // Set when we need to send the light to the driver when switching to the // hardware vertex processing mode. const DWORD D3DLIGHTI_UPDATEDDI = 1 << 10; // Set when we need to send "enable" state of the light to the driver when // switching to the hardware vertex processing mode const DWORD D3DLIGHTI_UPDATE_ENABLE_DDI = 1 << 11; const DWORD D3DLIGHTI_OPTIMIZATIONFLAGS = D3DLIGHTI_SPECULAR_IS_ZERO | D3DLIGHTI_AMBIENT_IS_ZERO | D3DLIGHTI_ATT0_IS_NONZERO | D3DLIGHTI_ATT1_IS_NONZERO | D3DLIGHTI_ATT2_IS_NONZERO | D3DLIGHTI_LINEAR_FALLOFF; //----------------------------------------------------------------------------- // Members of this structure should be aligned as stated typedef struct _D3DI_LIGHT { // Should be QWORD aligned D3DVECTOR model_position; // In the camera or model space D3DLIGHTTYPE type; // Should be QWORD aligned D3DVECTOR model_direction;// In the camera or model space D3DVALUE falloff; // Should be QWORD aligned DWORD flags; // Should be QWORD aligned. R,G,B should be adjacent D3DFE_COLOR diffuseMat; // Material diffuse times light color // Should be QWORD aligned. R,G,B should be adjacent D3DFE_COLOR specularMat; // Material specular times light color // Should be QWORD aligned. R,G,B should be adjacent D3DFE_COLOR ambientMat; // Material specular times light color D3DVALUE inv_theta_minus_phi; // Should be QWORD aligned D3DVECTOR halfway; // Used by directional, parallel-point and // spot lights when camera is in infinity struct _D3DI_LIGHT *next; // Next in the active light list // Should be QWORD aligned D3DFE_COLOR diffuse; // Original color scaled to 0 - 255 D3DFE_COLOR specular; // Original color scaled to 0 - 255 D3DFE_COLOR ambient; // Original color scaled to 0 - 255 LIGHT_VERTEX_FUNC lightVertexFunc; // Function to light a D3DVERTEX D3DVALUE range_squared; D3DVALUE attenuation0; D3DVALUE attenuation1; D3DVALUE attenuation2; D3DVALUE cos_theta_by_2; D3DVALUE cos_phi_by_2; D3DVECTOR position; // In the world space D3DVECTOR direction; // In the world space D3DVALUE range; // Pointer to a PSGP specific "per light" data LPVOID pPSGPData; // Microsoft's pipeline specific data // Used in multi-loop pipeline for first lights PFN_LIGHTLOOP pfnLightFirst; // Used in multi-loop pipeline for not first lights PFN_LIGHTLOOP pfnLightNext; } D3DI_LIGHT, *LPD3DI_LIGHT; //----------------------------------------------------------------------------- // Bits for lighting flags (dwLightingFlags // const DWORD __LIGHT_VERTEXTRANSFORMED = 1; // Vertex is in the camera space const DWORD __LIGHT_NORMALTRANSFORMED = 2; // Normal is in the camera space const DWORD __LIGHT_SPECULARCOMPUTED = 4; const DWORD __LIGHT_DIFFUSECOMPUTED = 8; //----------------------------------------------------------------------------- // Members of this structure should be aligned as stated // typedef struct _D3DFE_LIGHTING { // Temporary data used when computing lighting // Should be QWORD aligned D3DFE_COLOR diffuse; DWORD alpha; // Alpha to use for output vertex color // (could be overriden by vertex difuse // color) (0-255) shifted left by 24 bits // Should be QWORD aligned D3DFE_COLOR diffuse0; // Ca*Cma + Cme float *currentSpecTable; // Should be QWORD aligned D3DFE_COLOR specular; DWORD outDiffuse; // Result of lighting // Should be QWORD aligned D3DVECTOR model_eye; // camera position in model (camera) space DWORD vertexAmbient; // Provided with a vertex // Should be QWORD aligned D3DFE_COLOR ambientSceneScaled; // Scene ambient color (scaled 0-255) DWORD vertexDiffuse; // Provided with a vertex // Should be QWORD aligned D3DFE_COLOR ambientScene; // Scene ambient color (0.0-1.0) DWORD outSpecular; // Result of lighting // Should be QWORD aligned // Direction to camera in the model space. Used in model space lighting D3DVECTOR directionToCamera; DWORD vertexSpecular; // Provided with a vertex // Should be QWORD aligned D3DMATERIAL8 material; DWORD dwLightingFlags; // Alpha to use for output specular vertex color // (could be overriden by vertex specular color) // (0-255) shifted left by 24 bits DWORD alphaSpecular; // End of temporary data D3DI_LIGHT *activeLights; int fog_mode; D3DVALUE fog_density; D3DVALUE fog_start; D3DVALUE fog_end; D3DVALUE fog_factor; // 255 / (fog_end - fog_start) D3DVALUE specThreshold; // If a dot product less than this value, // specular factor is zero DWORD ambient_save; // Original unscaled color int materialAlpha; // Current material diffuse alpha (0-255) // shifted left by 24 bits int materialAlphaS; // Current material specular alpha (0-255) // shifted left by 24 bits DWORD dwDiffuse0; // Packed diffuse0 DWORD dwAmbientSrcIndex; // 0 - diffuse, 1 - specular DWORD dwDiffuseSrcIndex; // 0 - diffuse, 1 - specular DWORD dwSpecularSrcIndex; // 0 - diffuse, 1 - specular DWORD dwEmissiveSrcIndex; // 0 - diffuse, 1 - specular } D3DFE_LIGHTING; //----------------------------------------------------------------------------- // Some data precomputed for a current viewport // ATTENTION: If you want to add or re-arrange data, contact IOURIT or ANUJG // typedef struct _D3DFE_VIEWPORTCACHE { // Coefficients to compute screen coordinates from normalized window // coordinates D3DVALUE scaleX; // dvWidth D3DVALUE scaleY; // -dvHeight D3DVALUE offsetX; // dvX D3DVALUE offsetY; // dvY + dvHeight D3DVALUE scaleZ; // dvMaxZ - dvMinZ D3DVALUE offsetZ; // dvY + dvHeight // Min and max window values with gaurd band in pixels D3DVALUE minXgb; D3DVALUE minYgb; D3DVALUE maxXgb; D3DVALUE maxYgb; // Min and max values for viewport window in pixels D3DVALUE minX; // offsetX - scaleX D3DVALUE minY; // offsetY - scaleY D3DVALUE maxX; // offsetX + scaleX D3DVALUE maxY; // offsetY + scaleY // Coefficients to transform a vertex to perform the guard band clipping // x*gb11 + w*gb41 // y*gb22 + w*gb42 // D3DVALUE gb11; D3DVALUE gb22; D3DVALUE gb41; D3DVALUE gb42; // Coefficients to apply clipping rules for the guard band clipping // They are used by clipping routins // w*Kgbx1 < x < w*Kgbx2 // w*Kgby1 < y < w*Kgby2 // D3DVALUE Kgbx1; D3DVALUE Kgby1; D3DVALUE Kgbx2; D3DVALUE Kgby2; D3DVALUE dvX; // dwX D3DVALUE dvY; // dwY D3DVALUE dvWidth; // dwWidth D3DVALUE dvHeight; // dwHeight // Coefficients to compute screen coordinates from normalized window // coordinates D3DVALUE scaleXi; // Inverse of scaleX D3DVALUE scaleYi; // Inverse of scaleY D3DVALUE scaleZi; // Inverse of scaleZ // Min and max values for viewport window in pixels (integer version) int minXi; // offsetX - scaleX int minYi; // offsetY - scaleY int maxXi; // offsetX + scaleX int maxYi; // offsetY + scaleY } D3DFE_VIEWPORTCACHE; //----------------------------------------------------------------------------- // Process vertices interface // // Bits for process vertices flags // // D3DDEV_STRIDE D3DPV_SOA // 0 1 position.dwStride = number of vertices in SOA // 0 0 position.dwStride = contiguous vertex size // 1 0 vertex is not contiguous, all dwStride fields are used // 1 1 reserved // 1 1 reserved // // Do position tweening. Guaranties that position2 pointer is not NULL const DWORD D3DPV_POSITION_TWEENING = 1 << 6; // Do normal tweening. Guaranties that normal2 pointer is not NULL const DWORD D3DPV_NORMAL_TWEENING= 1 << 7; const DWORD D3DPV_FOG = 1 << 8; // Need to apply fog const DWORD D3DPV_DOCOLORVERTEX = 1 << 9; // Need to apply color vertex const DWORD D3DPV_LIGHTING = 1 << 10; // Need to apply lighting const DWORD D3DPV_SOA = 1 << 12; // SOA structure is used // Need to replace emissive material color const DWORD D3DPV_COLORVERTEX_E = 1 << 13; // Need to replace diffuse material color const DWORD D3DPV_COLORVERTEX_D = 1 << 14; // Need to replace specular material color const DWORD D3DPV_COLORVERTEX_S = 1 << 15; // Need to replace ambient material color const DWORD D3DPV_COLORVERTEX_A = 1 << 16; // Set by ProcessVertices call with D3DPV_DONOTCOPYDATA flag set // Specular color should not be copied to the output vertex const DWORD D3DPV_DONOTCOPYSPECULAR = 1 << 20; // Set when one pass clipping and vertex processing is used const DWORD D3DPV_ONEPASSCLIPPING= 1 << 21; // This indicates that the primitive is non clipped, but we pretend that it is // clipped to generate DP2HAL inline primitive. Can only be set by tri fan. const DWORD D3DPV_NONCLIPPED = 1 << 25; // Propagated from dwFEFlags const DWORD D3DPV_FRUSTUMPLANES_DIRTY = 1 << 26; // Set if the geometry loop is called from VertexBuffer::ProcessVertices. // Processing is different because the output buffer FVF format is defined by // user, not by SetupFVFData function. const DWORD D3DPV_VBCALL = 1 << 27; // Set by ProcessVertices call with D3DPV_DONOTCOPYDATA flag set // Texture coordinates should not be copied to the output vertex const DWORD D3DPV_DONOTCOPYTEXTURE = 1 << 28; // To mark whether we are doing TLVERTEX clipping or not const DWORD D3DPV_TLVCLIP = 1 << 29; // Mictosoft internal !!! Set when only transformation is required // (no lightng or texture copy) const DWORD D3DPV_TRANSFORMONLY = 1 << 30; // Set by ProcessVertices call with D3DPV_DONOTCOPYDATA flag set // Diffuse color should not be copied to the output vertex const DWORD D3DPV_DONOTCOPYDIFFUSE = 1 << 31; // These flags persist from call to call till something causes them to change const DWORD D3DPV_PERSIST = D3DPV_FOG | D3DPV_LIGHTING | D3DPV_DONOTCOPYDIFFUSE | D3DPV_DONOTCOPYSPECULAR | D3DPV_DONOTCOPYTEXTURE | D3DPV_POSITION_TWEENING | D3DPV_NORMAL_TWEENING | D3DPV_TRANSFORMONLY ; // Bits for dwDeviceFlags // const DWORD D3DDEV_GUARDBAND = 1 << 1; // Use guard band clipping const DWORD D3DDEV_RANGEBASEDFOG = 1 << 2; // Set if range based fog is enabled // This bit is set if fog mode is not FOG_NONE and fog is enabled const DWORD D3DDEV_FOG = 1 << 3; // Set when there is no need to compute clip codes, because there are already // computed const DWORD D3DDEV_DONOTCOMPUTECLIPCODES = 1 << 4; // Set when stream source or a shader have been changed // PSGP should clear the bit const DWORD D3DDEV_SHADERDIRTY = 1 << 5; // Copy of D3DFVFCAPS_DONOTSTRIPELEMENTS const DWORD D3DDEV_DONOTSTRIPELEMENTS = 1 << 6; // Vertex shaders are used. If this bit is not set, fixed function pipeline is // used const DWORD D3DDEV_VERTEXSHADERS = 1 << 7; // Set, when a vertex buffer, which was a destination for ProcessVerticess, // is used as a stream source const DWORD D3DDEV_VBPROCVER = 1 << 8; // Set when we need to do emulation of point sprites (Microsoft specific) const D3DDEV_DOPOINTSPRITEEMULATION = 1 << 9; // These are bits in dwDeviceFlags that could be changed, but not // necessary per every primitive. // // Set when D3DRS_SHADEMODE is D3DSHADE_FLAT const DWORD D3DDEV_FLATSHADEMODE = 1 << 10; // Set when D3DRS_SPECULARENABLE is TRUE const DWORD D3DDEV_SPECULARENABLE = 1 << 11; // Set when transformed vertices are passed to the front-end const DWORD D3DDEV_TRANSFORMEDFVF = 1 << 12; // Set when D3DRS_INDEXEDVERTEXBLENDENABLE is true const DWORD D3DDEV_INDEXEDVERTEXBLENDENABLE = 1 << 13; // This flag is for PSGP only. PSGP implementation should clear the flag const DWORD D3DDEV_FRUSTUMPLANES_DIRTY = 1 << 14; // This flag is for PSGP only. PSGP implementation should clear the flag // Need to re-evaluate texture transforms const DWORD D3DDEV_TEXTRANSFORMDIRTY = 1 << 15; // The flag is set when the number of output texture coord is greater then the // number of the input ones. This could happen when the same texture transform // matrix is used with the same input texture coord set. In this case we save // texture indices from the texture stages in the textureStages and map all // indices sequentially. const DWORD D3DDEV_REMAPTEXTUREINDICES = 1 << 16; // These two flags are for PSGP only. PSGP implementation should clear the flags // Transform matrix has been changed const DWORD D3DDEV_TRANSFORMDIRTY = 1 << 17; // Lights have been changed const DWORD D3DDEV_LIGHTSDIRTY = 1 << 18; // Clipping is disabled const DWORD D3DDEV_DONOTCLIP = 1 << 19; // World-view matrix does not have scale, so we can do lighting // in the model space const DWORD D3DDEV_MODELSPACELIGHTING = 1 << 23; // Set if viewer is local (used for lighting) const DWORD D3DDEV_LOCALVIEWER = 1 << 24; // Set if we wave to normalize normals after transforming them to the // camera space const DWORD D3DDEV_NORMALIZENORMALS = 1 << 25; // Set if we wave to do texture transform const DWORD D3DDEV_TEXTURETRANSFORM = 1 << 26; // Set if the last draw primitive call was strided const DWORD D3DDEV_STRIDE = 1 << 27; // Set if D3DRS_COLORVERTEX is TRUE const DWORD D3DDEV_COLORVERTEX = 1 << 28; // Set if position in camera space is always needed const DWORD D3DDEV_POSITIONINCAMERASPACE= 1 << 29; // Set if normal in camera space is always needed const DWORD D3DDEV_NORMALINCAMERASPACE = 1 << 30; // Set if D3DRS_LIGHTING is set const DWORD D3DDEV_LIGHTING = 1 << 31; //----------------------------------------------------------------------------- // Clipper defines // // Six standard clipping planes plus six user defined clipping planes. // See rl\d3d\d3d\d3dtypes.h. // #define MAX_CLIPPING_PLANES 12 // Space for vertices generated/copied while clipping one triangle #define MAX_CLIP_VERTICES (( 2 * MAX_CLIPPING_PLANES ) + 3 ) // 3 verts. -> 1 tri, 4 v -> 2 t, N vertices -> (N - 2) triangles #define MAX_CLIP_TRIANGLES ( MAX_CLIP_VERTICES - 2 ) const DWORD MAX_FVF_TEXCOORD = 8; class ClipVertex { public: D3DVALUE hx; // Clipping space coordinates. Must be in this order D3DVALUE hy; D3DVALUE hz; D3DVALUE hw; int clip; D3DCOLOR color; D3DCOLOR specular; D3DVALUE sx; // Screen space coordinates. Must be in this order D3DVALUE sy; D3DVALUE sz; D3DVALUE rhw; ClipVertex *next; D3DVALUE tex[MAX_FVF_TEXCOORD*4]; }; typedef struct _ClipTriangle { ClipVertex *v[3]; } ClipTriangle; typedef struct _D3DI_CLIPSTATE { ClipVertex *clip_vbuf1[MAX_CLIP_VERTICES]; ClipVertex *clip_vbuf2[MAX_CLIP_VERTICES]; ClipVertex **current_vbuf; // clip_vbuf1 or clip_vbuf2 ClipVertex clip_vertices[MAX_CLIP_VERTICES]; BYTE *clipBuf; // Used for TL vertices, generated by the clipper int clip_vertices_used; DWORD clip_color; DWORD clip_specular; } D3DI_CLIPSTATE, *LPD3DI_CLIPSTATE; // These bit are set when a vertex is clipped by a frustum plane #define CLIPPED_LEFT (D3DCS_PLANE5 << 1) #define CLIPPED_RIGHT (D3DCS_PLANE5 << 2) #define CLIPPED_TOP (D3DCS_PLANE5 << 3) #define CLIPPED_BOTTOM (D3DCS_PLANE5 << 4) #define CLIPPED_FRONT (D3DCS_PLANE5 << 5) #define CLIPPED_BACK (D3DCS_PLANE5 << 6) #define CLIPPED_ENABLE (D3DCS_PLANE5 << 7) /* wireframe enable flag */ // These bit are set when a vertex is clipped by a user clipping plane const DWORD CLIPPED_PLANE0 = D3DCS_PLANE5 << 8; const DWORD CLIPPED_PLANE1 = D3DCS_PLANE5 << 9; const DWORD CLIPPED_PLANE2 = D3DCS_PLANE5 << 10; const DWORD CLIPPED_PLANE3 = D3DCS_PLANE5 << 11; const DWORD CLIPPED_PLANE4 = D3DCS_PLANE5 << 12; const DWORD CLIPPED_PLANE5 = D3DCS_PLANE5 << 13; // Guard band clipping bits // // A guard bit is set when a point is out of guard band // Guard bits should be cleared before a call to clip a triangle, because // they are the same as CLIPPED_... bits // // Example of clipping bits setting for X coordinate: // // if -w < x < w no clipping bit is set // if -w*ax1 < x <= -w D3DCS_LEFT bit is set // if x < -w*ax1 __D3DCLIPGB_LEFT bit is set // #define __D3DCLIPGB_LEFT (D3DCS_PLANE5 << 1) #define __D3DCLIPGB_RIGHT (D3DCS_PLANE5 << 2) #define __D3DCLIPGB_TOP (D3DCS_PLANE5 << 3) #define __D3DCLIPGB_BOTTOM (D3DCS_PLANE5 << 4) #define __D3DCLIPGB_ALL (__D3DCLIPGB_LEFT | __D3DCLIPGB_RIGHT | \ __D3DCLIPGB_TOP | __D3DCLIPGB_BOTTOM) const DWORD __D3DCS_USERPLANES = D3DCS_PLANE0 | D3DCS_PLANE1 | D3DCS_PLANE2 | D3DCS_PLANE3 | D3DCS_PLANE4 | D3DCS_PLANE5; // If only these bits are set, then this point is inside the guard band // #define __D3DCS_INGUARDBAND (D3DCS_LEFT | D3DCS_RIGHT | \ D3DCS_TOP | D3DCS_BOTTOM) //--------------------------------------------------------------------- // Bits in the dwFlags2 // // The bit is set when the texture transform is enabled const DWORD __FLAGS2_TEXTRANSFORM0 = 1 << 0; const DWORD __FLAGS2_TEXTRANSFORM1 = 1 << 1; const DWORD __FLAGS2_TEXTRANSFORM2 = 1 << 2; const DWORD __FLAGS2_TEXTRANSFORM3 = 1 << 3; const DWORD __FLAGS2_TEXTRANSFORM4 = 1 << 4; const DWORD __FLAGS2_TEXTRANSFORM5 = 1 << 5; const DWORD __FLAGS2_TEXTRANSFORM6 = 1 << 6; const DWORD __FLAGS2_TEXTRANSFORM7 = 1 << 7; const DWORD __FLAGS2_TEXTRANSFORM = __FLAGS2_TEXTRANSFORM0 | __FLAGS2_TEXTRANSFORM1 | __FLAGS2_TEXTRANSFORM2 | __FLAGS2_TEXTRANSFORM3 | __FLAGS2_TEXTRANSFORM4 | __FLAGS2_TEXTRANSFORM5 | __FLAGS2_TEXTRANSFORM6 | __FLAGS2_TEXTRANSFORM7; // The bit is set when texture projection is enabled for the stage and we need // to do emulation, because device does not support projected textures. const DWORD __FLAGS2_TEXPROJ0 = 1 << 8; const DWORD __FLAGS2_TEXPROJ1 = 1 << 9; const DWORD __FLAGS2_TEXPROJ2 = 1 << 10; const DWORD __FLAGS2_TEXPROJ3 = 1 << 11; const DWORD __FLAGS2_TEXPROJ4 = 1 << 12; const DWORD __FLAGS2_TEXPROJ5 = 1 << 13; const DWORD __FLAGS2_TEXPROJ6 = 1 << 14; const DWORD __FLAGS2_TEXPROJ7 = 1 << 15; const DWORD __FLAGS2_TEXPROJ = __FLAGS2_TEXPROJ0 | __FLAGS2_TEXPROJ1 | __FLAGS2_TEXPROJ2 | __FLAGS2_TEXPROJ3 | __FLAGS2_TEXPROJ4 | __FLAGS2_TEXPROJ5 | __FLAGS2_TEXPROJ6 | __FLAGS2_TEXPROJ7; // The bit is set when the texture coordinate set is taken from the vertex data // (position or normal) const DWORD __FLAGS2_TEXGEN0 = 1 << 16; const DWORD __FLAGS2_TEXGEN1 = 1 << 17; const DWORD __FLAGS2_TEXGEN2 = 1 << 18; const DWORD __FLAGS2_TEXGEN3 = 1 << 19; const DWORD __FLAGS2_TEXGEN4 = 1 << 20; const DWORD __FLAGS2_TEXGEN5 = 1 << 21; const DWORD __FLAGS2_TEXGEN6 = 1 << 22; const DWORD __FLAGS2_TEXGEN7 = 1 << 23; const DWORD __FLAGS2_TEXGEN = __FLAGS2_TEXGEN0 | __FLAGS2_TEXGEN1 | __FLAGS2_TEXGEN2 | __FLAGS2_TEXGEN3 | __FLAGS2_TEXGEN4 | __FLAGS2_TEXGEN5 | __FLAGS2_TEXGEN6 | __FLAGS2_TEXGEN7; //--------------------------------------------------------------------- #define __TEXTURETRANSFORMENABLED(pv) (pv->dwFlags2 & __FLAGS2_TEXTRANSFORM) //--------------------------------------------------------------------- // // CVElement: Describes a vertex element // Array of this type is passed to PSGP to create a vertex shader // //--------------------------------------------------------------------- class CVElement { public: DWORD m_dwRegister; // Input register index DWORD m_dwDataType; // Data type and dimension // -------- Private Microsoft Data --------- // Pointer to a function to convert input vertex element data type to // the VVM_WORD LPVOID m_pfnCopy; // API stream index DWORD m_dwStreamIndex; // Offset in the input stream in bytes DWORD m_dwOffset; }; //----------------------------------------------------------------------------- // Data structure used to initialize vertex pointers // struct CVertexDesc { // Element memory pointer. Used in vertex loop. Start vertex is used // to compute it LPVOID pMemory; // Element stride in bytes DWORD dwStride; //------------ Private Microsoft data ------------- union { // Input vertex register index DWORD dwRegister; // Used to initilize fixed-function pipeline vertex pointers D3DDP_PTRSTRIDE *pElement; }; // Copies vertex element data to an input register LPVOID pfnCopy; // Stream memory pointer CVStream* pStream; // Offset of the element in the vertex in bytes DWORD dwVertexOffset; }; //----------------------------------------------------------------------------- const DWORD __MAXWORLDMATRICES = 256; const DWORD __WORLDMATRIXBASE = 256; //----------------------------------------------------------------------------- // Visible states, input and output data // class D3DFE_PROCESSVERTICES { public: D3DFE_PROCESSVERTICES(); ~D3DFE_PROCESSVERTICES(); // Returns current transformation matrix. Computes it if necessary inline D3DMATRIXI* GetMatrixCTM(UINT index) { D3DMATRIXI* m = &mCTM[index]; if (CTMCount[index] < MatrixStateCount) { MatrixProduct(m, &world[index], &mVPC); CTMCount[index] = MatrixStateCount; } return m; } // Returns current matrix to transform to the camera space. // Computes it if necessary inline D3DMATRIXI* GetMatrixWV(UINT index) { D3DMATRIXI* m = &mWV[index]; if (WVCount[index] < MatrixStateCount) { MatrixProduct(m, &world[index], &view); WVCount[index] = MatrixStateCount; } return m; } // Returns current matrix to transform normals to the camera space. // This is inverse view-world matrix. // Computes it if necessary inline D3DMATRIXI* GetMatrixWVI(UINT index) { D3DMATRIXI* m = &mWVI[index]; if (WVICount[index] < MatrixStateCount) { D3DMATRIXI* world_view = GetMatrixWV(index); Inverse4x4((D3DMATRIX*)world_view, (D3DMATRIX*)m); WVICount[index] = MatrixStateCount; } return m; } // State // Should be 16 byte aligned D3DMATRIXI view; // View matrix (Mview) D3DMATRIXI mVPC; // Mview * Mprojection * Mclip D3DMATRIXI mTexture[D3DDP_MAXTEXCOORD]; // Texture transform; D3DMATRIXI world[__MAXWORLDMATRICES]; // User set world matrices D3DMATRIXI mCTM[__MAXWORLDMATRICES]; // Matrices used for vertex blending D3DMATRIXI mWV[__MAXWORLDMATRICES]; D3DMATRIXI mWVI[__MAXWORLDMATRICES]; // Every time we need a matrix (CTM2, WV2, WVI2) we compare its count with // the MatrixStateCount and if it is less than it we compute the required // matrix. ULONGLONG CTMCount[__MAXWORLDMATRICES]; ULONGLONG WVCount[__MAXWORLDMATRICES]; ULONGLONG WVICount[__MAXWORLDMATRICES]; // Every time world, view or projection matrix is changed, the // MatrixStateCount is incremented. ULONGLONG MatrixStateCount; // Current set of matrix indices used for the vertex blending. // If there are no matrix indices in vertices, it is set to (0,1,2,3) BYTE MatrixIndices[4]; // Weights in a vertex. There could be up to 3 weights in a vertex. The // last element is assigned as sum(1.0 - weights(i)) float VertexWeights[4]; // Should be QWORD aligned D3DFE_LIGHTING lighting; // Lighting state // Should be QWORD aligned D3DFE_VIEWPORTCACHE vcache; // Data, computed fromto viewport settings DWORD dwClipUnion; // OR of all vertex clip flags DWORD dwClipIntersection; // AND of all vertex clip flags // Current texture stage vector LPVOID *pD3DMappedTexI; D3DI_CLIPSTATE ClipperState; // State for triangle/line clipper // Cache line should start here D3DPRIMITIVETYPE primType; DWORD dwNumVertices; // Number of vertices to process DWORD dwFlags; // Flags word describing what to do // Location of the first vertex in the vertex buffer (DP2 DDI) // ATTENTION May be we can get rid of it? DWORD dwNumIndices; // 0 for non-indexed primitive LPWORD lpwIndices; DWORD dwNumPrimitives; // Cache line should start here DWORD dwVIDIn; // Vertex ID of input vertices DWORD dwDeviceFlags; // Flags that are constant per device // D3DPV_.. and primitive flags are combined DWORD dwOutputSize; // Output vertex size DWORD dwVIDOut; // Vertex ID of output vertices LPVOID lpvOut; // Output pointer (output always packed) D3DFE_CLIPCODE* lpClipFlags; // Clip flags to output DWORD nTexCoord; // Number of the input texture coordinate sets // Number of the output texture coordinate sets to process. // WARNING. It could be different from the texture count in dwVIDOut // (it could be zero for example when dwVIDOut has 1 texture coord set). // If D3DDEV_REMAPTEXTUREINDICES is set this is equal // to the number of active texture stages DWORD nOutTexCoord; // Total size of all output texture coordinates in bytes DWORD dwTextureCoordSizeTotal; union { struct { // Order of the fields is very important. // It is the same as the order of input registers in the virtual // vertex machine union { D3DDP_PTRSTRIDE position; // dwStride should always be set !!! D3DDP_PTRSTRIDE SOA; }; D3DDP_PTRSTRIDE weights; D3DDP_PTRSTRIDE matrixIndices; // Blend matrix indices union { D3DDP_PTRSTRIDE normal; DWORD dwSOAStartVertex; }; D3DDP_PTRSTRIDE psize; D3DDP_PTRSTRIDE diffuse; D3DDP_PTRSTRIDE specular; D3DDP_PTRSTRIDE textures[D3DDP_MAXTEXCOORD]; D3DDP_PTRSTRIDE position2; D3DDP_PTRSTRIDE normal2; }; D3DDP_PTRSTRIDE elements[__NUMELEMENTS]; }; // Used to offset indices during processing an indexed primitive DWORD dwIndexOffset; // Size of output texture coordinate sets in bytes DWORD dwTextureCoordSize[D3DDP_MAXTEXCOORD]; // Size of input texture coordinate sets in bytes DWORD dwInpTextureCoordSize[D3DDP_MAXTEXCOORD]; // Output LPDWORD lpdwRStates; // Current render state vector D3DFE_TEXTURESTAGE textureStage[D3DDP_MAXTEXCOORD]; // Texture state stages // Used when we have to re-map texture indices DWORD dwNumTextureStages; // This array is used when we do not do re-mapping of texture coordinates D3DMATRIXI *pmTexture[D3DDP_MAXTEXCOORD]; D3DVECTORH userClipPlane[__MAXUSERCLIPPLANES]; // Low 8 bits are texture transform enable: // bit 0 corresponds to the texture stage 0 // Bits 8-15 are used to detect if we need to do emulation of texture // projection for the stage (when no stage re-mapping is needed). // Bits 16-23 are set if corresponding texture coord set // is taken from the vertex data (position or normal) DWORD dwFlags2; // Blend factor used in vertex tweening float tweenFactor; // Number of matrices to apply for vertex blending. Number of weights in a // vertex is (dwNumVerBlends-1). The last weight is 1-sum(VertexWeight[i]). DWORD dwNumVerBlends; // Number of weights in a vertex. It is dwNumVerBlends - 1 DWORD dwNumWeights; DWORD dwMaxUserClipPlanes; // Internal data for Microsoft implementation // Offsets in the input FVF vertex. Recomputed when FVF is changed. DWORD texOffset; DWORD normalOffset; DWORD diffuseOffset; DWORD specularOffset; DWORD pointSizeOffset; // Offsets in the output FVF vertex. Recomputed when FVF is changed. DWORD texOffsetOut; DWORD diffuseOffsetOut; DWORD specularOffsetOut; DWORD pointSizeOffsetOut; DWORD fogOffsetOut; // When and this mask with the clip code we have bits that are outside the // guard band DWORD dwClipMaskOffScreen; // Clip vertices. Used in processing and clipping in the one loop ClipVertex clipVer[VER_IN_BATCH]; // Index of the first vertex with non-zero clip code DWORD dwFirstClippedVertex; DWORD dwMaxTextureIndices; // Max number of texture coord sets DWORD dwIndexSize; // Index size (2 or 4 bytes) CD3DDDI* pDDI; // Copy from the device m_pDDI float PointSizeMax; // Current max point size ID3DFE_PVFUNCS* pGeometryFuncs; // Copy from the CD3DHal device //-------------- Vertex Shader data ----------------- // Store information to initialize virtual machine registers // The elements of this array match the elements of pElements array, passed // with CreateShader call. CVertexDesc VertexDesc[__NUMSTREAMS]; // How many VertexDescs are used // It is equal to the number of vertex elements (dwNumElements), in the // current active shader. dwNumElements is passed during CreateShader calls DWORD dwNumUsedVertexDescs; #if DBG RTDebugMonitor* pDbgMon; // Copy from the device m_pDbgMon #endif }; //----------------------------------------------------------------------------- // Prototype for the function to be written for a given processor implementation // class ID3DFE_PVFUNCS { public: virtual ~ID3DFE_PVFUNCS() {}; virtual DWORD ProcessVertices(LPD3DFE_PROCESSVERTICES)=0; virtual HRESULT ProcessPrimitive(LPD3DFE_PROCESSVERTICES)=0; virtual HRESULT ProcessIndexedPrimitive(LPD3DFE_PROCESSVERTICES)=0; virtual HRESULT OptimizeVertexBuffer (DWORD dwFVFID, // Vertex type. XYZ position is allowed DWORD dwNumVertices, // Number of vertices DWORD dwVertexSize, // Vertex size in bytes LPVOID lpSrcBuffer, // Source buffer. LPVOID lpDstBuffer, // Output buffer. DWORD dwFlags) // Should be zero for now {return E_NOTIMPL;} // Returns number of bytes to allocate for an optimized vertex buffer // This function is called before OptimizeVertexBuffer virtual DWORD ComputeOptimizedVertexBufferSize (DWORD dwFVF, // Vertex type DWORD dwVertexSize, // Vertex size in bytes DWORD dwNumVertices) // Number of vertices {return 0;} // This function could be used if PSGP doesn't want to implement complete // clipping pipeline // Parameters: // pv - state data // tri - triangle to clip // clipVertexPointer - pointer to an array of pointers to // generated vertices // Returns: // Number of vertices in clipped triangle // 0, if the triangle is off screen virtual int ClipSingleTriangle(D3DFE_PROCESSVERTICES *pv, ClipTriangle *tri, ClipVertex ***clipVertexPointer) = 0; virtual HRESULT ProcessTriangleList(LPD3DFE_PROCESSVERTICES)=0; virtual HRESULT ProcessTriangleFan(LPD3DFE_PROCESSVERTICES)=0; virtual HRESULT ProcessTriangleStrip(LPD3DFE_PROCESSVERTICES)=0; // Create a vertex shader // // D3D run-time: // - parses shader declaration and shader code and does all validation // - computes output FVF for non-fixed pipeline // - creates a shader handle // - calls ID3DFE_PVFUNCS::CreateShader() // PSGP: // - compiles shader code using the vertex element descriptions // // For fixed function pipeline pdwShaderCode is NULL, dwOutputFVF should be // ignored (dwVIDOut should be used in Draw calls). // virtual HRESULT CreateShader( // Describes input vertex elements and mapping them to vertex registers CVElement* pElements, // Number of elements DWORD dwNumElements, // Binary shader code (NULL for fixed function pipeline) DWORD* pdwShaderCode, // Describes output vertex format. Ignored by fixed function pipeline DWORD dwOutputFVF, // PSGP-created shader object. D3D does not have access to it. CPSGPShader** ppPSGPShader ) = 0; virtual HRESULT SetActiveShader(CPSGPShader *pPSGPShader) = 0; // Load vertex shader constants virtual HRESULT LoadShaderConstants( DWORD start, // Constant register address DWORD count, // Number of 4-float vectors to load LPVOID buffer) = 0; // Memory to load from // This function is called when output vertex format is changed, but the // active shader remains the same. It is guaranteed that the new FVF is // a superset of the FVF, passed to CreateShader. PSGP implementation // could re-compute output vertex offsets or it could use updated // output offsets and dwOutputSize from PROCESSVERTICES structure. virtual HRESULT SetOutputFVF(DWORD dwFVF) = 0; virtual HRESULT GetShaderConstants( DWORD start, // Constant register address DWORD count, // Number of 4-float vectors to load LPVOID buffer) = 0; }; typedef ID3DFE_PVFUNCS *LPD3DFE_PVFUNCS; //----------------------------------------------------------------------------- // GeometrySetup function takes a DWORD describing the dirty bits and the new // state vector and passes back the 3 new leaf routines to use. // typedef HRESULT (D3DAPI *LPD3DFE_CONTEXTCREATE)( // dwDeviceFlags are passed DWORD dwFlags, // A pointer to the Microsoft object is passed to call when there is no // PSGP implementation available. PSGP returns its object hear. LPD3DFE_PVFUNCS *ppMicrosoftFuncs ); //----------------------------------------------------------------------------- // Global pointer to Processor specific PV setup routine // This is defined in dlld3d.cpp extern LPD3DFE_CONTEXTCREATE pfnFEContextCreate; //----------------------------------------------------------------------------- // Check if we need to do emulation of texture projection for the stage // inline BOOL NeedTextureProjection(D3DFE_PROCESSVERTICES* pv, UINT stage) { return pv->dwFlags2 & (__FLAGS2_TEXPROJ0 << stage); } #endif // _D3DFE_H