void fdct_int32( short *const In ) { short *pIn; int i; pIn = In; for(i=8; i>0; --i) { int mm0, mm1, mm2, mm3, mm4, mm5, mm6, mm7, Spill; // even LOAD_BUTF(mm1,mm6, 1, 6, mm0, pIn); LOAD_BUTF(mm2,mm5, 2, 5, mm0, pIn); LOAD_BUTF(mm3,mm4, 3, 4, mm0, pIn); LOAD_BUTF(mm0,mm7, 0, 7, Spill, pIn); BUTF(mm1, mm2, Spill); BUTF(mm0, mm3, Spill); ROTATE(mm3, mm2, ROT6_C, ROT6_SmC, -ROT6_SpC, Spill, FIX-FPASS, HALF(FIX-FPASS)); pIn[2] = mm3; pIn[6] = mm2; BUTF(mm0, mm1, Spill); pIn[0] = SHIFTL(mm0, FPASS); pIn[4] = SHIFTL(mm1, FPASS); // odd mm3 = mm5 + mm7; mm2 = mm4 + mm6; ROTATE(mm2, mm3, ROT17_C, -ROT17_SpC, -ROT17_SmC, mm0, FIX-FPASS, HALF(FIX-FPASS)); ROTATE(mm4, mm7, -ROT37_C, ROT37_SpC, ROT37_SmC, mm0, FIX-FPASS, HALF(FIX-FPASS)); mm7 += mm3; mm4 += mm2; pIn[1] = mm7; pIn[7] = mm4; ROTATE(mm5, mm6, -ROT13_C, ROT13_SmC, ROT13_SpC, mm0, FIX-FPASS, HALF(FIX-FPASS)); mm5 += mm3; mm6 += mm2; pIn[3] = mm6; pIn[5] = mm5; pIn += 8; } pIn = In; for(i=8; i>0; --i) { int mm0, mm1, mm2, mm3, mm4, mm5, mm6, mm7, Spill; // even LOAD_BUTF(mm1,mm6, 1*8, 6*8, mm0, pIn); LOAD_BUTF(mm2,mm5, 2*8, 5*8, mm0, pIn); BUTF(mm1, mm2, mm0); LOAD_BUTF(mm3,mm4, 3*8, 4*8, mm0, pIn); LOAD_BUTF(mm0,mm7, 0*8, 7*8, Spill, pIn); BUTF(mm0, mm3, Spill); ROTATE(mm3, mm2, ROT6_C, ROT6_SmC, -ROT6_SpC, Spill, 0, HALF(FIX+FPASS+3)); pIn[2*8] = (int16_t)SHIFTR(mm3,FIX+FPASS+3); pIn[6*8] = (int16_t)SHIFTR(mm2,FIX+FPASS+3); mm0 += HALF(FPASS+3) - 1; BUTF(mm0, mm1, Spill); pIn[0*8] = (int16_t)SHIFTR(mm0, FPASS+3); pIn[4*8] = (int16_t)SHIFTR(mm1, FPASS+3); // odd mm3 = mm5 + mm7; mm2 = mm4 + mm6; ROTATE(mm2, mm3, ROT17_C, -ROT17_SpC, -ROT17_SmC, mm0, 0, HALF(FIX+FPASS+3)); ROTATE2(mm4, mm7, -ROT37_C, ROT37_SpC, ROT37_SmC, mm0); mm7 += mm3; mm4 += mm2; pIn[7*8] = (int16_t)SHIFTR(mm4,FIX+FPASS+3); pIn[1*8] = (int16_t)SHIFTR(mm7,FIX+FPASS+3); ROTATE2(mm5, mm6, -ROT13_C, ROT13_SmC, ROT13_SpC, mm0); mm5 += mm3; mm6 += mm2; pIn[5*8] = (int16_t)SHIFTR(mm5,FIX+FPASS+3); pIn[3*8] = (int16_t)SHIFTR(mm6,FIX+FPASS+3); pIn++; } }
// // Initialization of the info structure per instruction // void microblazeGenInstructionInfo (microblazeInstructionInfoP info, Uns64 instruction) { info->opcode = opcode[info->type]; switch (info->type) { case MICROBLAZE_IT_ADD_TYPEA1: case MICROBLAZE_IT_ADDC_TYPEA1: case MICROBLAZE_IT_ADDK_TYPEA1: case MICROBLAZE_IT_ADDKC_TYPEA1: case MICROBLAZE_IT_AND_TYPEA1: case MICROBLAZE_IT_ANDN_TYPEA1: case MICROBLAZE_IT_FADD_TYPEA1: case MICROBLAZE_IT_FCMPEQ_TYPEA1: case MICROBLAZE_IT_FCMPGE_TYPEA1: case MICROBLAZE_IT_FCMPGT_TYPEA1: case MICROBLAZE_IT_FCMPLE_TYPEA1: case MICROBLAZE_IT_FCMPLT_TYPEA1: case MICROBLAZE_IT_FCMPNE_TYPEA1: case MICROBLAZE_IT_FCMPUN_TYPEA1: case MICROBLAZE_IT_FDIV_TYPEA1: case MICROBLAZE_IT_FMUL_TYPEA1: case MICROBLAZE_IT_FRSUB_TYPEA1: case MICROBLAZE_IT_LWX_TYPEA1: case MICROBLAZE_IT_MUL_TYPEA1: case MICROBLAZE_IT_MULH_TYPEA1: case MICROBLAZE_IT_MULHSU_TYPEA1: case MICROBLAZE_IT_MULHU_TYPEA1: case MICROBLAZE_IT_OR_TYPEA1: case MICROBLAZE_IT_PCMPBF_TYPEA1: case MICROBLAZE_IT_PCMPEQ_TYPEA1: case MICROBLAZE_IT_PCMPNE_TYPEA1: case MICROBLAZE_IT_RSUB_TYPEA1: case MICROBLAZE_IT_RSUBC_TYPEA1: case MICROBLAZE_IT_RSUBK_TYPEA1: case MICROBLAZE_IT_RSUBKC_TYPEA1: case MICROBLAZE_IT_SWX_TYPEA1: case MICROBLAZE_IT_XOR_TYPEA1: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rB = VECINDEX(instruction,15,11,0); // 15:11 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_BEQ_TYPEA2: case MICROBLAZE_IT_BEQD_TYPEA2: case MICROBLAZE_IT_BGE_TYPEA2: case MICROBLAZE_IT_BGED_TYPEA2: case MICROBLAZE_IT_BGT_TYPEA2: case MICROBLAZE_IT_BGTD_TYPEA2: case MICROBLAZE_IT_BLE_TYPEA2: case MICROBLAZE_IT_BLED_TYPEA2: case MICROBLAZE_IT_BLT_TYPEA2: case MICROBLAZE_IT_BLTD_TYPEA2: case MICROBLAZE_IT_BNE_TYPEA2: case MICROBLAZE_IT_BNED_TYPEA2: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rB = VECINDEX(instruction,15,11,0); // 15:11 break; case MICROBLAZE_IT_BR_TYPEA3: case MICROBLAZE_IT_BRA_TYPEA3: case MICROBLAZE_IT_BRAD_TYPEA3: case MICROBLAZE_IT_BRD_TYPEA3: info->rB = VECINDEX(instruction,15,11,0); // 15:11 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_BRALD_TYPEA4: case MICROBLAZE_IT_BRLD_TYPEA4: info->rB = VECINDEX(instruction,15,11,0); // 15:11 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_BRK_TYPEA5: info->rB = VECINDEX(instruction,15,11,0); // 15:11 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_BSLL_TYPEA6: case MICROBLAZE_IT_BSRA_TYPEA6: case MICROBLAZE_IT_BSRL_TYPEA6: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rB = VECINDEX(instruction,15,11,0); // 15:11 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_CMP_TYPEA7: case MICROBLAZE_IT_CMPU_TYPEA7: case MICROBLAZE_IT_IDIV_TYPEA7: case MICROBLAZE_IT_IDIVU_TYPEA7: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rB = VECINDEX(instruction,15,11,0); // 15:11 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_LBU_TYPEA8: case MICROBLAZE_IT_LBUR_TYPEA8: case MICROBLAZE_IT_LHU_TYPEA8: case MICROBLAZE_IT_LHUR_TYPEA8: case MICROBLAZE_IT_LW_TYPEA8: case MICROBLAZE_IT_LWR_TYPEA8: case MICROBLAZE_IT_SB_TYPEA8: case MICROBLAZE_IT_SBR_TYPEA8: case MICROBLAZE_IT_SH_TYPEA8: case MICROBLAZE_IT_SHR_TYPEA8: case MICROBLAZE_IT_SW_TYPEA8: case MICROBLAZE_IT_SWR_TYPEA8: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rB = VECINDEX(instruction,15,11,0); // 15:11 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_MFS_TYPEA9: info->rD = VECINDEX(instruction,25,21,0); // 25:21 info->rS = VECINDEX(instruction,13,0,0); // 13:0 break; case MICROBLAZE_IT_MTS_TYPEAA: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rS = VECINDEX(instruction,13,0,0); // 13:0 break; case MICROBLAZE_IT_CLZ_TYPEAB: case MICROBLAZE_IT_FINT_TYPEAB: case MICROBLAZE_IT_FLT_TYPEAB: case MICROBLAZE_IT_FSQRT_TYPEAB: case MICROBLAZE_IT_SEXT16_TYPEAB: case MICROBLAZE_IT_SEXT8_TYPEAB: case MICROBLAZE_IT_SRA_TYPEAB: case MICROBLAZE_IT_SRC_TYPEAB: case MICROBLAZE_IT_SRL_TYPEAB: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_WDC_TYPEAC: case MICROBLAZE_IT_WDCCLR_TYPEAC: case MICROBLAZE_IT_WDCFL_TYPEAC: case MICROBLAZE_IT_WIC_TYPEAC: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rB = VECINDEX(instruction,15,11,0); // 15:11 break; case MICROBLAZE_IT_ADDI_TYPEB1: case MICROBLAZE_IT_ADDIC_TYPEB1: case MICROBLAZE_IT_ADDIK_TYPEB1: case MICROBLAZE_IT_ADDIKC_TYPEB1: case MICROBLAZE_IT_ANDI_TYPEB1: case MICROBLAZE_IT_ANDNI_TYPEB1: case MICROBLAZE_IT_LBUI_TYPEB1: case MICROBLAZE_IT_LHUI_TYPEB1: case MICROBLAZE_IT_LWI_TYPEB1: case MICROBLAZE_IT_MULI_TYPEB1: case MICROBLAZE_IT_ORI_TYPEB1: case MICROBLAZE_IT_RSUBI_TYPEB1: case MICROBLAZE_IT_RSUBIC_TYPEB1: case MICROBLAZE_IT_RSUBIK_TYPEB1: case MICROBLAZE_IT_RSUBIKC_TYPEB1: case MICROBLAZE_IT_SBI_TYPEB1: case MICROBLAZE_IT_SHI_TYPEB1: case MICROBLAZE_IT_SWI_TYPEB1: case MICROBLAZE_IT_XORI_TYPEB1: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rD = VECINDEX(instruction,25,21,0); // 25:21 info->simm = VECINDEX(instruction,15,0,0); // 15:0 info->simm = SEXTEND(info->simm,15); break; case MICROBLAZE_IT_BEQI_TYPEB2: case MICROBLAZE_IT_BEQID_TYPEB2: case MICROBLAZE_IT_BGEI_TYPEB2: case MICROBLAZE_IT_BGEID_TYPEB2: case MICROBLAZE_IT_BGTI_TYPEB2: case MICROBLAZE_IT_BGTID_TYPEB2: case MICROBLAZE_IT_BLEI_TYPEB2: case MICROBLAZE_IT_BLEID_TYPEB2: case MICROBLAZE_IT_BLTI_TYPEB2: case MICROBLAZE_IT_BLTID_TYPEB2: case MICROBLAZE_IT_BNEI_TYPEB2: case MICROBLAZE_IT_BNEID_TYPEB2: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->simm = VECINDEX(instruction,15,0,0); // 15:0 info->simm = SEXTEND(info->simm,15); break; case MICROBLAZE_IT_BRAI_TYPEB3: case MICROBLAZE_IT_BRAID_TYPEB3: case MICROBLAZE_IT_BRI_TYPEB3: case MICROBLAZE_IT_BRID_TYPEB3: info->rD = VECINDEX(instruction,25,21,0); // 25:21 info->simm = VECINDEX(instruction,15,0,0); // 15:0 info->simm = SEXTEND(info->simm,15); break; case MICROBLAZE_IT_BRALID_TYPEB4: case MICROBLAZE_IT_BRLID_TYPEB4: info->rD = VECINDEX(instruction,25,21,0); // 25:21 info->simm = VECINDEX(instruction,15,0,0); // 15:0 info->simm = SEXTEND(info->simm,15); break; case MICROBLAZE_IT_BRKI_TYPEB5: info->rD = VECINDEX(instruction,25,21,0); // 25:21 info->simm = VECINDEX(instruction,15,0,0); // 15:0 info->simm = SEXTEND(info->simm,15); break; case MICROBLAZE_IT_BSLLI_TYPEB6: case MICROBLAZE_IT_BSRAI_TYPEB6: case MICROBLAZE_IT_BSRLI_TYPEB6: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rD = VECINDEX(instruction,25,21,0); // 25:21 info->uimm = VECINDEX(instruction,4,0,0); // 4:0 break; case MICROBLAZE_IT_MBAR_TYPEB8: info->simm = VECINDEX(instruction,25,21,0); // 25:21 info->simm = SEXTEND(info->simm,4); break; case MICROBLAZE_IT_MSRCLR_TYPEB9: case MICROBLAZE_IT_MSRSET_TYPEB9: info->rD = VECINDEX(instruction,25,21,0); // 25:21 info->uimm = VECINDEX(instruction,14,0,0); // 14:0 break; case MICROBLAZE_IT_RTBD_TYPEBA: case MICROBLAZE_IT_RTED_TYPEBA: case MICROBLAZE_IT_RTID_TYPEBA: case MICROBLAZE_IT_RTSD_TYPEBA: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->simm = VECINDEX(instruction,15,0,0); // 15:0 info->simm = SEXTEND(info->simm,15); break; case MICROBLAZE_IT_AGET_TYPEC1: case MICROBLAZE_IT_CAGET_TYPEC1: case MICROBLAZE_IT_CGET_TYPEC1: case MICROBLAZE_IT_EAGET_TYPEC1: case MICROBLAZE_IT_ECAGET_TYPEC1: case MICROBLAZE_IT_ECGET_TYPEC1: case MICROBLAZE_IT_EGET_TYPEC1: case MICROBLAZE_IT_GET_TYPEC1: case MICROBLAZE_IT_NAGET_TYPEC1: case MICROBLAZE_IT_NCAGET_TYPEC1: case MICROBLAZE_IT_NCGET_TYPEC1: case MICROBLAZE_IT_NEAGET_TYPEC1: case MICROBLAZE_IT_NECAGET_TYPEC1: case MICROBLAZE_IT_NECGET_TYPEC1: case MICROBLAZE_IT_NEGET_TYPEC1: case MICROBLAZE_IT_NGET_TYPEC1: case MICROBLAZE_IT_TAGET_TYPEC1: case MICROBLAZE_IT_TCAGET_TYPEC1: case MICROBLAZE_IT_TCGET_TYPEC1: case MICROBLAZE_IT_TEAGET_TYPEC1: case MICROBLAZE_IT_TECAGET_TYPEC1: case MICROBLAZE_IT_TECGET_TYPEC1: case MICROBLAZE_IT_TEGET_TYPEC1: case MICROBLAZE_IT_TGET_TYPEC1: case MICROBLAZE_IT_TNAGET_TYPEC1: case MICROBLAZE_IT_TNCAGET_TYPEC1: case MICROBLAZE_IT_TNCGET_TYPEC1: case MICROBLAZE_IT_TNEAGET_TYPEC1: case MICROBLAZE_IT_TNECAGET_TYPEC1: case MICROBLAZE_IT_TNECGET_TYPEC1: case MICROBLAZE_IT_TNEGET_TYPEC1: case MICROBLAZE_IT_TNGET_TYPEC1: info->FSLx = VECINDEX(instruction,3,0,0); // 3:0 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_AGETD_TYPEC2: case MICROBLAZE_IT_CAGETD_TYPEC2: case MICROBLAZE_IT_CGETD_TYPEC2: case MICROBLAZE_IT_EAGETD_TYPEC2: case MICROBLAZE_IT_ECAGETD_TYPEC2: case MICROBLAZE_IT_ECGETD_TYPEC2: case MICROBLAZE_IT_EGETD_TYPEC2: case MICROBLAZE_IT_GETD_TYPEC2: case MICROBLAZE_IT_NAGETD_TYPEC2: case MICROBLAZE_IT_NCAGETD_TYPEC2: case MICROBLAZE_IT_NCGETD_TYPEC2: case MICROBLAZE_IT_NEAGETD_TYPEC2: case MICROBLAZE_IT_NECAGETD_TYPEC2: case MICROBLAZE_IT_NECGETD_TYPEC2: case MICROBLAZE_IT_NEGETD_TYPEC2: case MICROBLAZE_IT_NGETD_TYPEC2: case MICROBLAZE_IT_TAGETD_TYPEC2: case MICROBLAZE_IT_TCAGETD_TYPEC2: case MICROBLAZE_IT_TCGETD_TYPEC2: case MICROBLAZE_IT_TEAGETD_TYPEC2: case MICROBLAZE_IT_TECAGETD_TYPEC2: case MICROBLAZE_IT_TECGETD_TYPEC2: case MICROBLAZE_IT_TEGETD_TYPEC2: case MICROBLAZE_IT_TGETD_TYPEC2: case MICROBLAZE_IT_TNAGETD_TYPEC2: case MICROBLAZE_IT_TNCAGETD_TYPEC2: case MICROBLAZE_IT_TNCGETD_TYPEC2: case MICROBLAZE_IT_TNEAGETD_TYPEC2: case MICROBLAZE_IT_TNECAGETD_TYPEC2: case MICROBLAZE_IT_TNECGETD_TYPEC2: case MICROBLAZE_IT_TNEGETD_TYPEC2: case MICROBLAZE_IT_TNGETD_TYPEC2: info->rB = VECINDEX(instruction,15,11,0); // 15:11 info->rD = VECINDEX(instruction,25,21,0); // 25:21 break; case MICROBLAZE_IT_APUT_TYPEC3: case MICROBLAZE_IT_CAPUT_TYPEC3: case MICROBLAZE_IT_CPUT_TYPEC3: case MICROBLAZE_IT_NAPUT_TYPEC3: case MICROBLAZE_IT_NCAPUT_TYPEC3: case MICROBLAZE_IT_NCPUT_TYPEC3: case MICROBLAZE_IT_NPUT_TYPEC3: case MICROBLAZE_IT_PUT_TYPEC3: info->FSLx = VECINDEX(instruction,3,0,0); // 3:0 info->rA = VECINDEX(instruction,20,16,0); // 20:16 break; case MICROBLAZE_IT_APUTD_TYPEC3D: case MICROBLAZE_IT_CAPUTD_TYPEC3D: case MICROBLAZE_IT_CPUTD_TYPEC3D: case MICROBLAZE_IT_NAPUTD_TYPEC3D: case MICROBLAZE_IT_NCAPUTD_TYPEC3D: case MICROBLAZE_IT_NCPUTD_TYPEC3D: case MICROBLAZE_IT_NPUTD_TYPEC3D: case MICROBLAZE_IT_PUTD_TYPEC3D: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rB = VECINDEX(instruction,15,11,0); // 15:11 break; case MICROBLAZE_IT_TAPUT_TYPEC4: case MICROBLAZE_IT_TCAPUT_TYPEC4: case MICROBLAZE_IT_TCPUT_TYPEC4: case MICROBLAZE_IT_TNAPUT_TYPEC4: case MICROBLAZE_IT_TNCAPUT_TYPEC4: case MICROBLAZE_IT_TNCPUT_TYPEC4: case MICROBLAZE_IT_TNPUT_TYPEC4: case MICROBLAZE_IT_TPUT_TYPEC4: info->FSLx = VECINDEX(instruction,3,0,0); // 3:0 info->rA = VECINDEX(instruction,20,16,0); // 20:16 break; case MICROBLAZE_IT_TAPUTD_TYPEC4D: case MICROBLAZE_IT_TCAPUTD_TYPEC4D: case MICROBLAZE_IT_TCPUTD_TYPEC4D: case MICROBLAZE_IT_TNAPUTD_TYPEC4D: case MICROBLAZE_IT_TNCAPUTD_TYPEC4D: case MICROBLAZE_IT_TNCPUTD_TYPEC4D: case MICROBLAZE_IT_TNPUTD_TYPEC4D: case MICROBLAZE_IT_TPUTD_TYPEC4D: info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rB = VECINDEX(instruction,15,11,0); // 15:11 break; case MICROBLAZE_IT_IMM_TYPEI1: info->simmhi = VECINDEX(instruction,15,0,0); // 15:0 info->simmhi = SHIFTL(info->simmhi,16); info->simmhi = SEXTEND(info->simmhi,31); break; case MICROBLAZE_IT_NOP_TYPEX: break; case MICROBLAZE_IT_INSTR32: case MICROBLAZE_IT_LAST: // Default to get the indices info->rA = VECINDEX(instruction,20,16,0); // 20:16 info->rB = VECINDEX(instruction,15,11,0); // 15:11 info->rD = VECINDEX(instruction,25,21,0); // 25:21 info->simm = VECINDEX(instruction,15,0,0); // 15:0 info->simm = SEXTEND(info->simm,15); break; } return; }
// ###################################################################### Image<PixRGB<byte> > AutomateXWin::getImage() { DeleteImage(); #ifdef USE_SHM if(!itsImage) { itsImage = XShmCreateImage(itsDisplay, itsVInfo.visual, itsDepth, ZPixmap, NULL, &itsShminfo, itsWidth, itsHeight); if(!itsImage) { LERROR("XShmCreateImage"); return Image<PixRGB<byte> >(); } itsShminfo.shmid = shmget(IPC_PRIVATE, itsImage->bytes_per_line * itsImage->height, IPC_CREAT | 0777); if(itsShminfo.shmid < 0) { LERROR("shmget"); XDestroyImage(itsImage); itsImage=NULL; return Image<PixRGB<byte> >(); } itsShminfo.shmaddr = (char *) shmat(itsShminfo.shmid, 0, 0); if(itsShminfo.shmaddr == (char *)-1) { LERROR("shmat"); XDestroyImage(itsImage); return Image<PixRGB<byte> >(); } shmctl(itsShminfo.shmid, IPC_RMID, 0), itsImage->data = itsShminfo.shmaddr; itsShminfo.readOnly = False; XShmAttach(itsDisplay, &itsShminfo); XSync(itsDisplay, False); } #endif /* If SHM failed or was disabled, try non-SHM way */ if(!itsImage) { itsImage = XGetImage(itsDisplay, itsWindow, 0, 0, itsWidth, itsHeight, AllPlanes, XYPixmap); if(!itsImage) LERROR("XGetImage\n"); } #ifdef USE_SHM if(!XShmGetImage(itsDisplay, itsWindow, itsImage, 0, 0, AllPlanes)) LERROR("XSHMGetImage"); #endif Image<PixRGB<byte> > img(itsWidth,itsHeight,NO_INIT); int rshift = 7 - getHighBitIndex (itsImage->red_mask); int gshift = 7 - getHighBitIndex (itsImage->green_mask); int bshift = 7 - getHighBitIndex (itsImage->blue_mask); for (int y=0; y<itsImage->height; y++) { for (int x=0; x<itsImage->width; x++) { unsigned long pixel = XGetPixel (itsImage,x,y); PixRGB<byte> pixVal( SHIFTL(pixel & itsImage->red_mask,rshift), SHIFTL(pixel & itsImage->green_mask,gshift), SHIFTL(pixel & itsImage->blue_mask,bshift) ); img.setVal(x,y, pixVal); } } return img; }