自学教程：C++ CR_GET_BUFFERED_POINTER函数代码示例

void PACK_APIENTRYcrPackAreProgramsResidentNV(GLsizei n, const GLuint * programs,                                                        GLboolean *residences, GLboolean *return_val,                                                        int *writeback){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int packet_length;    (void) return_val; /* Caller must compute this from residences!!! */    packet_length = sizeof(int) +   /* packet length */        sizeof(GLenum) +                        /* extend opcode */        sizeof(n) +                                 /* num programs */        n * sizeof(*programs) +         /* programs */        8 + 8;    CR_GET_BUFFERED_POINTER(pc, packet_length);    WRITE_DATA(0, int, packet_length);    WRITE_DATA(4, GLenum, CR_AREPROGRAMSRESIDENTNV_EXTEND_OPCODE);    WRITE_DATA(8, GLsizei, n);    crMemcpy(data_ptr + 12, programs, n * sizeof(*programs));    WRITE_NETWORK_POINTER(12 + n * sizeof(*programs),   (void *) residences);    WRITE_NETWORK_POINTER(20 + n * sizeof(*programs), (void *) writeback);    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_CMDBLOCK_CHECK_FLUSH(pc);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackLoadTransposeMatrixfARB( const GLfloat *m ){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int packet_length = 16*sizeof( *m ) + sizeof(GLint) + sizeof(GLenum);    CR_GET_BUFFERED_POINTER(pc, packet_length );    WRITE_DATA( 0, GLint, packet_length );    WRITE_DATA( 4, GLenum, CR_LOADTRANSPOSEMATRIXFARB_EXTEND_OPCODE );    WRITE_DATA( 8 + 0*sizeof(GLfloat), GLfloat, m[ 0] );    WRITE_DATA( 8 + 1*sizeof(GLfloat), GLfloat, m[ 1] );    WRITE_DATA( 8 + 2*sizeof(GLfloat), GLfloat, m[ 2] );    WRITE_DATA( 8 + 3*sizeof(GLfloat), GLfloat, m[ 3] );    WRITE_DATA( 8 + 4*sizeof(GLfloat), GLfloat, m[ 4] );    WRITE_DATA( 8 + 5*sizeof(GLfloat), GLfloat, m[ 5] );    WRITE_DATA( 8 + 6*sizeof(GLfloat), GLfloat, m[ 6] );    WRITE_DATA( 8 + 7*sizeof(GLfloat), GLfloat, m[ 7] );    WRITE_DATA( 8 + 8*sizeof(GLfloat), GLfloat, m[ 8] );    WRITE_DATA( 8 + 9*sizeof(GLfloat), GLfloat, m[ 9] );    WRITE_DATA( 8 + 10*sizeof(GLfloat), GLfloat, m[10] );    WRITE_DATA( 8 + 11*sizeof(GLfloat), GLfloat, m[11] );    WRITE_DATA( 8 + 12*sizeof(GLfloat), GLfloat, m[12] );    WRITE_DATA( 8 + 13*sizeof(GLfloat), GLfloat, m[13] );    WRITE_DATA( 8 + 14*sizeof(GLfloat), GLfloat, m[14] );    WRITE_DATA( 8 + 15*sizeof(GLfloat), GLfloat, m[15] );    WRITE_OPCODE( pc, CR_EXTEND_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackPolygonStipple( const GLubyte *mask ){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int nodata = crStateIsBufferBound(GL_PIXEL_UNPACK_BUFFER_ARB);    int packet_length = sizeof(int);    if (nodata)        packet_length += sizeof(GLint);    else        packet_length += 32*32/8;    CR_GET_BUFFERED_POINTER(pc, packet_length );    WRITE_DATA_AI(int, nodata);    if (nodata)    {        WRITE_DATA_AI(GLint, (GLint)(uintptr_t)mask);    }    else    {       crMemcpy( data_ptr, mask, 32*32/8 );    }    WRITE_OPCODE( pc, CR_POLYGONSTIPPLE_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackLoadMatrixf( const GLfloat *m ){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int packet_length = 16*sizeof( *m );    CR_GET_BUFFERED_POINTER(pc, packet_length );    WRITE_DATA( 0*sizeof(GLfloat), GLfloat, m[ 0] );    WRITE_DATA( 1*sizeof(GLfloat), GLfloat, m[ 1] );    WRITE_DATA( 2*sizeof(GLfloat), GLfloat, m[ 2] );    WRITE_DATA( 3*sizeof(GLfloat), GLfloat, m[ 3] );    WRITE_DATA( 4*sizeof(GLfloat), GLfloat, m[ 4] );    WRITE_DATA( 5*sizeof(GLfloat), GLfloat, m[ 5] );    WRITE_DATA( 6*sizeof(GLfloat), GLfloat, m[ 6] );    WRITE_DATA( 7*sizeof(GLfloat), GLfloat, m[ 7] );    WRITE_DATA( 8*sizeof(GLfloat), GLfloat, m[ 8] );    WRITE_DATA( 9*sizeof(GLfloat), GLfloat, m[ 9] );    WRITE_DATA( 10*sizeof(GLfloat), GLfloat, m[10] );    WRITE_DATA( 11*sizeof(GLfloat), GLfloat, m[11] );    WRITE_DATA( 12*sizeof(GLfloat), GLfloat, m[12] );    WRITE_DATA( 13*sizeof(GLfloat), GLfloat, m[13] );    WRITE_DATA( 14*sizeof(GLfloat), GLfloat, m[14] );    WRITE_DATA( 15*sizeof(GLfloat), GLfloat, m[15] );    WRITE_OPCODE( pc, CR_LOADMATRIXF_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackMultMatrixd( const GLdouble *m ){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int packet_length = 16*sizeof( *m );    CR_GET_BUFFERED_POINTER(pc, packet_length );    WRITE_DOUBLE( 0*sizeof(double), m[ 0] );    WRITE_DOUBLE( 1*sizeof(double), m[ 1] );    WRITE_DOUBLE( 2*sizeof(double), m[ 2] );    WRITE_DOUBLE( 3*sizeof(double), m[ 3] );    WRITE_DOUBLE( 4*sizeof(double), m[ 4] );    WRITE_DOUBLE( 5*sizeof(double), m[ 5] );    WRITE_DOUBLE( 6*sizeof(double), m[ 6] );    WRITE_DOUBLE( 7*sizeof(double), m[ 7] );    WRITE_DOUBLE( 8*sizeof(double), m[ 8] );    WRITE_DOUBLE( 9*sizeof(double), m[ 9] );    WRITE_DOUBLE( 10*sizeof(double), m[10] );    WRITE_DOUBLE( 11*sizeof(double), m[11] );    WRITE_DOUBLE( 12*sizeof(double), m[12] );    WRITE_DOUBLE( 13*sizeof(double), m[13] );    WRITE_DOUBLE( 14*sizeof(double), m[14] );    WRITE_DOUBLE( 15*sizeof(double), m[15] );    WRITE_OPCODE( pc, CR_MULTMATRIXD_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackWindowVisibleRegion( CR_PACKER_CONTEXT_ARGDECL GLint window, GLint cRects, const GLint * pRects ){    GLint i, size, cnt;    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    (void) pc;    size = 16 + cRects * 4 * sizeof(GLint);    CR_GET_BUFFERED_POINTER( pc, size );    WRITE_DATA( 0, GLint, size );    WRITE_DATA( 4, GLenum, CR_WINDOWVISIBLEREGION_EXTEND_OPCODE );    WRITE_DATA( 8, GLint, window );    WRITE_DATA( 12, GLint, cRects );    cnt = 16;    for (i=0; i<cRects; ++i)    {        WRITE_DATA(cnt, GLint, (GLint) pRects[4*i+0]);        WRITE_DATA(cnt+4, GLint, (GLint) pRects[4*i+1]);        WRITE_DATA(cnt+8, GLint, (GLint) pRects[4*i+2]);        WRITE_DATA(cnt+12, GLint, (GLint) pRects[4*i+3]);        cnt += 16;    }    WRITE_OPCODE( pc, CR_EXTEND_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}

static GLboolean __handleLightModelData( GLenum pname, const GLfloat *params ){    CR_GET_PACKER_CONTEXT(pc);    unsigned int packet_length = sizeof( int ) + sizeof( pname );    unsigned int params_length = 0;    unsigned char *data_ptr;    switch( pname )    {        case GL_LIGHT_MODEL_AMBIENT:            params_length = 4*sizeof( *params );            break;        case GL_LIGHT_MODEL_TWO_SIDE:        case GL_LIGHT_MODEL_LOCAL_VIEWER:            params_length = sizeof( *params );            break;        default:            __PackError( __LINE__, __FILE__, GL_INVALID_ENUM,                                     "crPackLightModelSWAP(bad pname)" );            return GL_FALSE;    }    packet_length += params_length;    CR_GET_BUFFERED_POINTER(pc, packet_length );    WRITE_DATA( 0, int, SWAP32(packet_length) );    WRITE_DATA( sizeof( int ) + 0, GLenum, SWAP32(pname) );    WRITE_DATA( sizeof( int ) + 4, GLuint, SWAPFLOAT(params[0]) );    if (params_length > sizeof( *params ))    {        WRITE_DATA( sizeof( int ) + 8, GLuint, SWAPFLOAT(params[1]) );        WRITE_DATA( sizeof( int ) + 12, GLuint, SWAPFLOAT(params[2]) );        WRITE_DATA( sizeof( int ) + 16, GLuint, SWAPFLOAT(params[3]) );    }    return GL_TRUE;}

void PACK_APIENTRY crPackEndListSWAP( void ){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    (void) pc;    CR_GET_BUFFERED_POINTER( pc, 8 );    WRITE_DATA( 0, GLint, SWAP32(8) );    WRITE_DATA( 4, GLenum, SWAP32(CR_ENDLIST_EXTEND_OPCODE) );    WRITE_OPCODE( pc, CR_EXTEND_OPCODE );    pc->buffer.in_List = GL_FALSE;    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackEdgeFlagPointer( GLsizei stride, const GLvoid *pointer ){	CR_GET_PACKER_CONTEXT(pc);	unsigned char *data_ptr;	int packet_length = 16;	CR_GET_BUFFERED_POINTER( pc, packet_length );	WRITE_DATA( 0, GLint, packet_length );	WRITE_DATA( 4, GLenum, CR_EDGEFLAGPOINTER_EXTEND_OPCODE );	WRITE_DATA( 8, GLsizei, stride );	WRITE_DATA( 12, GLuint, (GLuint) ((uintptr_t) pointer) );	WRITE_OPCODE( pc, CR_EXTEND_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackDrawBuffers(GLsizei n, const GLenum *bufs){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int packet_length = sizeof(int)+sizeof(GLenum)+sizeof(n) + n*sizeof(*bufs);    CR_GET_BUFFERED_POINTER(pc, packet_length);    WRITE_DATA_AI(int, packet_length);    WRITE_DATA_AI(GLenum, CR_DRAWBUFFERS_EXTEND_OPCODE);    WRITE_DATA_AI(GLsizei, n);    crMemcpy(data_ptr, bufs, n*sizeof(*bufs));    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackInterleavedArrays( GLenum format, GLsizei stride, const GLvoid *pointer ){	CR_GET_PACKER_CONTEXT(pc);	unsigned char *data_ptr;	int packet_length = 20;	CR_GET_BUFFERED_POINTER( pc, packet_length );	WRITE_DATA( 0, GLint, packet_length );	WRITE_DATA( 4, GLenum, CR_INTERLEAVEDARRAYS_EXTEND_OPCODE );	WRITE_DATA( 8, GLenum, format );	WRITE_DATA( 12, GLsizei, stride );	WRITE_DATA( 16, GLuint, (GLuint) ((uintptr_t) pointer) );	WRITE_OPCODE( pc, CR_EXTEND_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackFogCoordPointerEXT( GLenum type, GLsizei stride, const GLvoid * pointer ){	CR_GET_PACKER_CONTEXT(pc);	unsigned char *data_ptr;	int packet_length = 20;	CR_GET_BUFFERED_POINTER( pc, packet_length );	WRITE_DATA( 0, GLint, packet_length );	WRITE_DATA( 4, GLenum, CR_FOGCOORDPOINTEREXT_EXTEND_OPCODE );	WRITE_DATA( 8, GLenum, type );	WRITE_DATA( 12, GLsizei, stride );	WRITE_DATA( 16, GLuint, (GLuint) ((uintptr_t) pointer) );	WRITE_OPCODE( pc, CR_EXTEND_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackReadPixels(GLint x, GLint y, GLsizei width,                                     GLsizei height, GLenum format,                                    GLenum type, GLvoid *pixels,                                    const CRPixelPackState *packstate,                                    int *writeback){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    GLint stride = 0;    GLint bytes_per_row;    int bytes_per_pixel;    *writeback = 0;    bytes_per_pixel = crPixelSize(format, type);    if (bytes_per_pixel <= 0) {        char string[80];        sprintf(string, "crPackReadPixels(format 0x%x or type 0x%x)", format, type);        __PackError(__LINE__, __FILE__, GL_INVALID_ENUM, string);        return;    }    /* default bytes_per_row so crserver can allocate memory */    bytes_per_row = width * bytes_per_pixel;    stride = bytes_per_row;    if (packstate->alignment != 1) {         GLint remainder = bytes_per_row % packstate->alignment;         if (remainder)                stride = bytes_per_row + (packstate->alignment - remainder);    }    CR_GET_BUFFERED_POINTER(pc, 48 + sizeof(CRNetworkPointer) );    WRITE_DATA( 0,  GLint,  x );    WRITE_DATA( 4,  GLint,  y );    WRITE_DATA( 8,  GLsizei,  width );    WRITE_DATA( 12, GLsizei,  height );    WRITE_DATA( 16, GLenum, format );    WRITE_DATA( 20, GLenum, type );    WRITE_DATA( 24, GLint,  stride ); /* XXX not really used! */    WRITE_DATA( 28, GLint, packstate->alignment );    WRITE_DATA( 32, GLint, packstate->skipRows );    WRITE_DATA( 36, GLint, packstate->skipPixels );    WRITE_DATA( 40, GLint, bytes_per_row );    WRITE_DATA( 44, GLint, packstate->rowLength );    WRITE_NETWORK_POINTER( 48, (char *) pixels );    WRITE_OPCODE( pc, CR_READPIXELS_OPCODE );    CR_CMDBLOCK_CHECK_FLUSH(pc);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackGetUniformsLocations(GLuint program, GLsizei maxcbData, GLsizei * cbData, GLvoid * pData, int * writeback){	CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    (void) pData;    CR_GET_BUFFERED_POINTER(pc, 32);    WRITE_DATA(0, GLint, 32);    WRITE_DATA(4, GLenum, CR_GETUNIFORMSLOCATIONS_EXTEND_OPCODE);    WRITE_DATA(8, GLuint, program);    WRITE_DATA(12, GLsizei, maxcbData);    WRITE_NETWORK_POINTER(16, (void *) cbData);    WRITE_NETWORK_POINTER(24, (void *) writeback);    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackGetAttachedObjectsARB(GLhandleARB containerObj, GLsizei maxCount, GLsizei * count, GLhandleARB * obj, int * writeback){	CR_GET_PACKER_CONTEXT(pc);	unsigned char *data_ptr;	(void) pc;	CR_GET_BUFFERED_POINTER(pc, 32);	WRITE_DATA(0, GLint, 32);	WRITE_DATA(4, GLenum, CR_GETATTACHEDOBJECTSARB_EXTEND_OPCODE);	WRITE_DATA(8, GLhandleARB, containerObj);	WRITE_DATA(12, GLsizei, maxCount);	WRITE_NETWORK_POINTER(16, (void *) count);	WRITE_NETWORK_POINTER(24, (void *) writeback);	WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackGetInfoLogARB(GLhandleARB obj, GLsizei maxLength, GLsizei * length, GLcharARB * infoLog, int * writeback){	CR_GET_PACKER_CONTEXT(pc);	unsigned char *data_ptr;	(void) pc;	CR_GET_BUFFERED_POINTER(pc, 32);	WRITE_DATA(0, GLint, 32);	WRITE_DATA(4, GLenum, CR_GETINFOLOGARB_EXTEND_OPCODE);	WRITE_DATA(8, GLhandleARB, obj);	WRITE_DATA(12, GLsizei, maxLength);	WRITE_NETWORK_POINTER(16, (void *) length);	WRITE_NETWORK_POINTER(24, (void *) writeback);	WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackSecondaryColorPointerEXT( GLint size, GLenum type, GLsizei stride, const GLvoid *pointer ){	CR_GET_PACKER_CONTEXT(pc);	unsigned char *data_ptr;	int packet_length = 24;	CR_GET_BUFFERED_POINTER( pc, packet_length );	WRITE_DATA( 0, GLint, packet_length );	WRITE_DATA( 4, GLenum, CR_SECONDARYCOLORPOINTEREXT_EXTEND_OPCODE );	WRITE_DATA( 8, GLint, size );	WRITE_DATA( 12, GLenum, type );	WRITE_DATA( 16, GLsizei, stride );	WRITE_DATA( 20, GLuint, (GLuint) ((uintptr_t) pointer) );	WRITE_OPCODE( pc, CR_EXTEND_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackUniform4iv(GLint location, GLsizei count, const GLint *value){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int packet_length = sizeof(int)+sizeof(GLenum)+sizeof(location)+sizeof(count) + 4*count*sizeof(*value);    CR_GET_BUFFERED_POINTER(pc, packet_length);    WRITE_DATA_AI(int, packet_length);    WRITE_DATA_AI(GLenum, CR_UNIFORM4IV_EXTEND_OPCODE);    WRITE_DATA_AI(GLint, location);    WRITE_DATA_AI(GLsizei, count);    crMemcpy(data_ptr, value, 4*count*sizeof(*value));    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackNewListSWAP( GLuint list, GLenum mode ){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    (void) pc;    CR_GET_BUFFERED_POINTER( pc, 16 );    WRITE_DATA( 0, GLint, SWAP32(16) );    WRITE_DATA( 4, GLenum, SWAP32(CR_NEWLIST_EXTEND_OPCODE) );    WRITE_DATA( 8, GLuint, SWAP32(list) );    WRITE_DATA( 12, GLenum, SWAP32(mode) );    WRITE_OPCODE( pc, CR_EXTEND_OPCODE );    pc->buffer.in_List = GL_TRUE;    pc->buffer.holds_List = GL_TRUE;    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackVertexAttrib4ubvARB(GLuint index, const GLubyte * v){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    CR_GET_BUFFERED_POINTER(pc, 8);    pc->current.c.vertexAttrib.ub4[index] = data_ptr + 4;    pc->current.attribsUsedMask |= (1 << index);    WRITE_DATA(0, GLuint, index);    WRITE_DATA(4, GLubyte, v[0]);    WRITE_DATA(5, GLubyte, v[1]);    WRITE_DATA(6, GLubyte, v[2]);    WRITE_DATA(7, GLubyte, v[3]);    WRITE_OPCODE(pc, CR_VERTEXATTRIB4UBVARB_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackGetShaderSource(GLuint shader, GLsizei bufSize, GLsizei * length, char * source, int * writeback){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    (void) pc;    (void) source;    CR_GET_BUFFERED_POINTER(pc, 32);    WRITE_DATA(0, GLint, 32);    WRITE_DATA(4, GLenum, CR_GETSHADERSOURCE_EXTEND_OPCODE);    WRITE_DATA(8, GLuint, shader);    WRITE_DATA(12, GLsizei, bufSize);    WRITE_NETWORK_POINTER(16, (void *) length);    WRITE_NETWORK_POINTER(24, (void *) writeback);    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackGetProgramInfoLog(GLuint program, GLsizei bufSize, GLsizei * length, char * infoLog, int * writeback){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    (void) pc;    (void) infoLog;    CR_GET_BUFFERED_POINTER(pc, 32);    WRITE_DATA(0, GLint, 32);    WRITE_DATA(4, GLenum, CR_GETPROGRAMINFOLOG_EXTEND_OPCODE);    WRITE_DATA(8, GLuint, program);    WRITE_DATA(12, GLsizei, bufSize);    WRITE_NETWORK_POINTER(16, (void *) length);    WRITE_NETWORK_POINTER(24, (void *) writeback);    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackGetAttachedShaders(GLuint program, GLsizei maxCount, GLsizei * count, GLuint * shaders, int * writeback){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    (void) pc;    (void) shaders;    CR_GET_BUFFERED_POINTER(pc, 32);    WRITE_DATA(0, GLint, 32);    WRITE_DATA(4, GLenum, CR_GETATTACHEDSHADERS_EXTEND_OPCODE);    WRITE_DATA(8, GLuint, program);    WRITE_DATA(12, GLsizei, maxCount);    WRITE_NETWORK_POINTER(16, (void *) count);    WRITE_NETWORK_POINTER(24, (void *) writeback);    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackProgramParameters4fvNV(GLenum target, GLuint index, GLuint num, const GLfloat * params){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int packet_length = sizeof(int) + sizeof(target) + sizeof(index) + sizeof(num) + num * 4 * sizeof(GLfloat);    CR_GET_BUFFERED_POINTER(pc, packet_length);    WRITE_DATA(0, int, packet_length);    WRITE_DATA(sizeof(int) + 0, GLenum, target);    WRITE_DATA(sizeof(int) + 4, GLuint, index);    WRITE_DATA(sizeof(int) + 8, GLuint, num);    crMemcpy(data_ptr + sizeof(int) + 12, params, num * 4 * sizeof(GLfloat));    WRITE_OPCODE(pc, CR_PROGRAMPARAMETERS4FVNV_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int packet_length = sizeof(int)+sizeof(GLenum)+sizeof(location)+sizeof(count)+sizeof(transpose) + 3*3*count*sizeof(*value);    CR_GET_BUFFERED_POINTER(pc, packet_length);    WRITE_DATA_AI(int, packet_length);    WRITE_DATA_AI(GLenum, CR_UNIFORMMATRIX3FV_EXTEND_OPCODE);    WRITE_DATA_AI(GLint, location);    WRITE_DATA_AI(GLsizei, count);    WRITE_DATA_AI(GLboolean, transpose);    crMemcpy(data_ptr, value, 3*3*count*sizeof(*value));    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackBindAttribLocation(GLuint program, GLuint index, const char *name){    CR_GET_PACKER_CONTEXT(pc);    unsigned char *data_ptr;    int cbName = crStrlen(name)+1;    int packet_length = sizeof(int)+sizeof(GLenum)+sizeof(program)+sizeof(index) + cbName*sizeof(*name);    CR_GET_BUFFERED_POINTER(pc, packet_length);    WRITE_DATA_AI(int, packet_length);    WRITE_DATA_AI(GLenum, CR_BINDATTRIBLOCATION_EXTEND_OPCODE);    WRITE_DATA_AI(GLuint, program);    WRITE_DATA_AI(GLuint, index);    crMemcpy(data_ptr, name, cbName*sizeof(*name));    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackLoadProgramNV(GLenum target, GLuint id, GLsizei len, const GLubyte *program){    const int packet_length = 20 + len;    unsigned char *data_ptr;    CR_GET_PACKER_CONTEXT(pc);    CR_GET_BUFFERED_POINTER(pc, packet_length);    WRITE_DATA(0, int, packet_length);    WRITE_DATA(4, GLenum, CR_LOADPROGRAMNV_EXTEND_OPCODE);    WRITE_DATA(8, GLenum, target);    WRITE_DATA(12, GLuint, id);    WRITE_DATA(16, GLsizei, len);    crMemcpy((void *) (data_ptr + 20), program, len);    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY  crPackProgramStringARB(GLenum target, GLenum format, GLsizei len, const void *string){    const int packet_length = 20 + len;    unsigned char *data_ptr;    CR_GET_PACKER_CONTEXT(pc);    CR_GET_BUFFERED_POINTER(pc, packet_length);    WRITE_DATA(0, int, packet_length);    WRITE_DATA(4, GLenum, CR_PROGRAMSTRINGARB_EXTEND_OPCODE);    WRITE_DATA(8, GLenum, target);    WRITE_DATA(12, GLuint, format);    WRITE_DATA(16, GLsizei, len);    crMemcpy((void *) (data_ptr + 20), string, len);    WRITE_OPCODE(pc, CR_EXTEND_OPCODE);    CR_UNLOCK_PACKER_CONTEXT(pc);}

void PACK_APIENTRY crPackVertexAttribPointerNV( GLuint index, GLint size, GLenum type, GLsizei stride, const GLvoid *pointer ){	CR_GET_PACKER_CONTEXT(pc);	unsigned char *data_ptr;	int packet_length = 28;	CR_GET_BUFFERED_POINTER( pc, packet_length );	WRITE_DATA( 0, GLint, packet_length );	WRITE_DATA( 4, GLenum, CR_VERTEXATTRIBPOINTERNV_EXTEND_OPCODE );	WRITE_DATA( 8, GLint, index );	WRITE_DATA( 12, GLint, size );	WRITE_DATA( 16, GLenum, type );	WRITE_DATA( 20, GLsizei, stride );	WRITE_DATA( 24, GLuint, (GLuint) ((uintptr_t) pointer) );	WRITE_OPCODE( pc, CR_EXTEND_OPCODE );    CR_UNLOCK_PACKER_CONTEXT(pc);}