summaryrefslogtreecommitdiff
path: root/src/ast_2dtool.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/ast_2dtool.c')
-rw-r--r--src/ast_2dtool.c463
1 files changed, 42 insertions, 421 deletions
diff --git a/src/ast_2dtool.c b/src/ast_2dtool.c
index b539ea5..22f0b5b 100644
--- a/src/ast_2dtool.c
+++ b/src/ast_2dtool.c
@@ -64,12 +64,13 @@ void vDisable2D(ScrnInfoPtr pScrn, ASTRecPtr pAST);
void vWaitEngIdle(ScrnInfoPtr pScrn, ASTRecPtr pAST);
UCHAR *pjRequestCMDQ(ASTRecPtr pAST, ULONG ulDataLen);
Bool bGetLineTerm(_LINEInfo *LineInfo, LINEPARAM *dsLineParam);
-LONG lGetDiaRg(LONG GFracX, LONG GFracY);
Bool
bInitCMDQInfo(ScrnInfoPtr pScrn, ASTRecPtr pAST)
{
+ ScreenPtr pScreen;
+
pAST->CMDQInfo.pjCmdQBasePort = pAST->MMIOVirtualAddr+ 0x8044;
pAST->CMDQInfo.pjWritePort = pAST->MMIOVirtualAddr+ 0x8048;
pAST->CMDQInfo.pjReadPort = pAST->MMIOVirtualAddr+ 0x804C;
@@ -78,23 +79,35 @@ bInitCMDQInfo(ScrnInfoPtr pScrn, ASTRecPtr pAST)
/* CMDQ mode Init */
if (!pAST->MMIO2D) {
pAST->CMDQInfo.ulCMDQType = VM_CMD_QUEUE;
-
- ScreenPtr pScreen;
pScreen = screenInfo.screens[pScrn->scrnIndex];
- pAST->pCMDQPtr = xf86AllocateOffscreenLinear (pScreen, 1024*1024, 8, NULL, NULL, NULL);
-
- if (!pAST->pCMDQPtr) {
+ do {
+ pAST->pCMDQPtr = xf86AllocateOffscreenLinear (pScreen, pAST->CMDQInfo.ulCMDQSize, 8, NULL, NULL, NULL);
+
+ if (pAST->pCMDQPtr) break;
+
+ pAST->CMDQInfo.ulCMDQSize >>= 1;
+
+ } while (pAST->CMDQInfo.ulCMDQSize >= MIN_CMDQ_SIZE);
+
+ if (pAST->pCMDQPtr)
+ {
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,"Allocate CMDQ size is %ld kbyte \n", (unsigned long) (pAST->CMDQInfo.ulCMDQSize/1024));
+
+ pAST->CMDQInfo.ulCMDQOffsetAddr = pAST->pCMDQPtr->offset*((pScrn->bitsPerPixel + 1) / 8);
+ pAST->CMDQInfo.pjCMDQVirtualAddr = pAST->FBVirtualAddr + pAST->CMDQInfo.ulCMDQOffsetAddr;
+
+ pAST->CMDQInfo.ulCurCMDQueueLen = pAST->CMDQInfo.ulCMDQSize - CMD_QUEUE_GUARD_BAND;
+ pAST->CMDQInfo.ulCMDQMask = pAST->CMDQInfo.ulCMDQSize - 1 ;
+
+ }
+ else
+ {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"Allocate CMDQ failed \n");
pAST->MMIO2D = TRUE; /* set to MMIO mode if CMDQ allocate failed */
}
- pAST->CMDQInfo.ulCMDQOffsetAddr = pAST->pCMDQPtr->offset*((pScrn->bitsPerPixel + 1) / 8);
- pAST->CMDQInfo.pjCMDQVirtualAddr = pAST->FBVirtualAddr + pAST->CMDQInfo.ulCMDQOffsetAddr;
-
- pAST->CMDQInfo.ulCurCMDQueueLen = pAST->CMDQInfo.ulCMDQSize - CMD_QUEUE_GUARD_BAND;
- pAST->CMDQInfo.ulCMDQMask = pAST->CMDQInfo.ulCMDQSize - 1 ;
}
/* MMIO mode init */
@@ -348,16 +361,9 @@ ASTRecPtr pAST, ULONG ulDataLen)
Bool bGetLineTerm(_LINEInfo *LineInfo, LINEPARAM *dsLineParam)
{
LONG GAbsX, GAbsY, GXInc, GYInc, GSlopeOne, GXMajor;
- Bool tmpFlipH=0, tmpFlipV=0, tmpFlipD=0;
- LONG tmpStartX, tmpStartY, tmpFStartX, tmpFStartY;
- LONG GFAbsX, GFAbsY, GFStartX, GFStartY, GFFracX[2], GFFracY[2];
- LONG flag, GXRoundDown, GYRoundDown, GFlipH, GFlipV, GFlipD;
- LONG tmpx, tmpy, GFGamma;
- LONG i, region, tmpDiaRg[2], tmpGFX1, GFAdd, GNTWidth;
- LONG tmp1GFX, tmp1GFY, tmp2GFX, tmp2GFY, tmpGK1Term, tmpGK2Term, tmpGNTErr;
- LONG GFX, GFY, GK1Term, GK2Term, GNTErr;
+ LONG MM, mm, Error0, K1, K2;
- /*Init Calucate */
+ /* Init */
#ifdef LONG64
GAbsX = abs (LineInfo->X1 - LineInfo->X2);
GAbsY = abs (LineInfo->Y1 - LineInfo->Y2);
@@ -371,173 +377,30 @@ Bool bGetLineTerm(_LINEInfo *LineInfo, LINEPARAM *dsLineParam)
GSlopeOne = (GAbsX ==GAbsY) ? 1:0;
GXMajor = (GAbsX >= GAbsY) ? 1:0;
- /*Flip */
- tmpStartX = LineInfo->X1;
- tmpStartY = LineInfo->Y1;
- if (!GXInc)
- {
- tmpStartX = ~LineInfo->X1+ 1;
- tmpFlipH = 1;
- }
-
- if (!GYInc)
- {
- tmpStartY = ~LineInfo->Y1 + 1;
- tmpFlipV = 1;
- }
-
- if (GXMajor ==0)
+ /* Calculate */
+ if (GXMajor)
{
- tmpFlipD = 1;
- tmpFStartX = tmpStartY;
- tmpFStartY = tmpStartX;
- GFAbsX = GAbsY;
- GFAbsY = GAbsX;
+ MM = GAbsX;
+ mm = GAbsY;
}
else
{
- tmpFlipD = 0;
- tmpFStartX = tmpStartX;
- tmpFStartY = tmpStartY;
- GFAbsX = GAbsX;
- GFAbsY = GAbsY;
- }
-
- GFStartX = tmpFStartX >> 4;
- GFStartY = tmpFStartY >> 4;
- GFFracX[0] = tmpFStartX & 0xF;
- GFFracY[0] = tmpFStartY & 0xF;
-
- /* Flag = GSlopeOne & tmpFlipH & tmpFlipV & tmpFlipD */
- flag = (GSlopeOne<<3) + (tmpFlipH<<2) + (tmpFlipV<<1) + tmpFlipD;
- switch(flag) /* GSlopeOne tmpFlipH tmpFlipV tmpFlipD */
- {
- case 0: /* 0 0 0 0 */
- case 1: /* 0 0 0 1 */
- GXRoundDown = 1;
- GYRoundDown = 1;
- GFlipH = tmpFlipH;
- GFlipV = tmpFlipV;
- GFlipD = tmpFlipD;
- break;
- case 2: /* 0 0 1 0 */
- case 5: /* 0 1 0 1 */
- case 10: /* 1 0 1 0 */
- case 14: /* 1 1 1 0 */
- GXRoundDown = 1;
- GYRoundDown = 0;
- GFlipH = tmpFlipH;
- GFlipV = tmpFlipV;
- GFlipD = tmpFlipD;
- break;
- case 3: /* 0 0 1 1 */
- case 4: /* 0 1 0 0 */
- case 8: /* 1 0 0 0 */
- case 12: /* 1 1 0 0 */
- GXRoundDown = 0;
- GYRoundDown = 1;
- GFlipH = tmpFlipH;
- GFlipV = tmpFlipV;
- GFlipD = tmpFlipD;
- break;
- case 6: /* 0 1 1 0 */
- case 7: /* 0 1 1 1 */
- GXRoundDown = 0;
- GYRoundDown = 0;
- GFlipH = tmpFlipH;
- GFlipV = tmpFlipV;
- GFlipD = tmpFlipD;
- break;
- /* case 9, 11, 13, 15 */
- default:
- GXRoundDown = 1; /* 1 0 0 1 */
- GYRoundDown = 1; /* 1 0 1 1 */
- GFlipH = 1; /* 1 1 0 1 */
- GFlipV = 1; /* 1 1 1 1 */
- GFlipD = 1;
- }
-
- /*Err */
- tmpx = (GFFracY[0] +8) * GFAbsX;
- tmpy = GFFracX[0] * GFAbsY;
- if(GYRoundDown==1)
- GFGamma=(signed)(tmpx - tmpy - 1) >> 4;
- else
- GFGamma=(signed)(tmpx - tmpy) >> 4;
-
- /*GIQ */
- GFFracX[1] = (GFFracX[0] + GFAbsX) & 0xF;
- GFFracY[1] = (GFFracY[0] + GFAbsY) & 0xF;
-
- for (i=0; i<2; i++)
- {
- tmpDiaRg[i] = 0;
- region = lGetDiaRg(GFFracX[i], GFFracY[i]);
-
- if(region==1 && GXRoundDown==0)
- tmpDiaRg[i] |= 1;
-
- if(region==2 && (GSlopeOne==0 || GXRoundDown==0))
- tmpDiaRg[i] |= 1;
-
- if(region==3)
- tmpDiaRg[i] |= 1;
-
- }
-
- tmpGFX1 =((signed)(GFFracX[0]+GFAbsX)>>4)-1+tmpDiaRg[1]; /* signed left shifter!! */
- GFAdd = tmpDiaRg[0];
- GNTWidth = tmpGFX1 - tmpDiaRg[0] + 1;
-
- /* FXY */
- tmpGK1Term = GFAbsY;
- tmpGK2Term = GFAbsY - GFAbsX;
-
- if(GFAdd==1){
- tmpGNTErr = GFGamma - GFAbsX + GFAbsY;
- }else{
- tmpGNTErr = GFGamma - GFAbsX;
- }
-
- tmp1GFX = GFStartX + GFAdd;
- if((signed)tmpGNTErr >= 0){
- tmp1GFY = GFStartY+1;
- GNTErr = tmpGNTErr + tmpGK2Term;
- }else{
- tmp1GFY = GFStartY;
- GNTErr = tmpGNTErr + tmpGK1Term;
- }
-
- if(GFlipD == 1){
- tmp2GFX = tmp1GFY;
- tmp2GFY = tmp1GFX;
- }else{
- tmp2GFX = tmp1GFX;
- tmp2GFY = tmp1GFY;
- }
-
- if(GFlipV == 1){
- GFY = ~tmp2GFY+1;
- }else{
- GFY = tmp2GFY;
- }
-
- if(GFlipH == 1){
- GFX = ~tmp2GFX+1;
- }else{
- GFX = tmp2GFX;
+ MM = GAbsY;
+ mm = GAbsX;
}
- GK1Term = tmpGK1Term;
- GK2Term = tmpGK2Term;
+ Error0 = (signed) (2*mm - MM);
+
+ K1 = 2* mm;
+ K2 = (signed) (2*mm - 2*MM);
/*save the Param to dsLineParam */
- dsLineParam->dsLineX = (USHORT) GFX;
- dsLineParam->dsLineY = (USHORT) GFY;
- dsLineParam->dsLineWidth = (USHORT) GNTWidth;
- dsLineParam->dwErrorTerm = (ULONG) GNTErr;
- dsLineParam->dwK1Term = GK1Term;
- dsLineParam->dwK2Term = GK2Term;
+ dsLineParam->dsLineX = (USHORT) LineInfo->X1;
+ dsLineParam->dsLineY = (USHORT) LineInfo->Y1;
+ dsLineParam->dsLineWidth = (USHORT) MM;
+ dsLineParam->dwErrorTerm = (ULONG) Error0;
+ dsLineParam->dwK1Term = K1;
+ dsLineParam->dwK2Term = K2;
dsLineParam->dwLineAttributes = 0;
if (GXMajor) dsLineParam->dwLineAttributes |= LINEPARAM_XM;
@@ -548,248 +411,6 @@ Bool bGetLineTerm(_LINEInfo *LineInfo, LINEPARAM *dsLineParam)
}
-LONG lGetDiaRg(LONG GFracX, LONG GFracY)
-{
- LONG region;
-
- switch(GFracY)
- {
- case 0x0:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- case 0x3:
- case 0x4:
- case 0x5:
- case 0x6:
- case 0x7:
- region=0;
- break;
- case 0x8:
- region=1;
- break;
- default:
- region=3;
- }
- break;
- case 0x1:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- case 0x3:
- case 0x4:
- case 0x5:
- case 0x6:
- region=0;
- break;
- default:
- region=3;
- }
- break;
- case 0x2:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- case 0x3:
- case 0x4:
- case 0x5:
- region=0; break;
- default:
- region=3;
- }
- break;
- case 0x3:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- case 0x3:
- case 0x4:
- region=0;
- break;
- default:
- region=3;
- }
- break;
- case 0x4:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- case 0x3:
- region=0;
- break;
- default:
- region=3;
- }
- break;
- case 0x5:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- region=0; break;
- default:
- region=3;
- }
- break;
- case 0x6:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- region=0;
- break;
- default:
- region=3;
- }
- break;
- case 0x7:
- switch(GFracX)
- {
- case 0x0:
- region=0;
- break;
- default:
- region=3;
- }
- break;
- case 0x8:
- switch(GFracX)
- {
- case 0x0:
- region=0;
- break;
- default:
- region=3;
- }
- break;
- case 0x9:
- switch(GFracX)
- {
- case 0x0:
- region=0;
- break;
- case 0x1:
- region=2;
- break;
- default:
- region=3;
- }
- break;
- case 0xa:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- region=0;
- break;
- case 0x2:
- region=2;
- break;
- default:
- region=3;
- }
- break;
- case 0xb:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- region=0;
- break;
- case 0x3:
- region=2;
- break;
- default:
- region=3;
- }
- break;
- case 0xc:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- case 0x3:
- region=0;
- break;
- case 0x4:
- region=2;
- break;
- default:
- region=3;
- }
- break;
- case 0xd:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- case 0x3:
- case 0x4:
- region=0;
- break;
- case 0x5:
- region=2;
- break;
- default:
- region=3;
- }
- break;
- case 0xe:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- case 0x3:
- case 0x4:
- case 0x5:
- region=0;
- break;
- case 0x6:
- region=2;
- break;
- default:
- region=3;
- }
- break;
- default:
- switch(GFracX)
- {
- case 0x0:
- case 0x1:
- case 0x2:
- case 0x3:
- case 0x4:
- case 0x5:
- case 0x6:
- region=0;
- break;
- case 0x7:
- region=2;
- break;
- default:
- region=3;
- }
- }
-
- return (region);
-
-}
-
#endif /* end of Accel_2D */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 17:26:07 +0000