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-rw-r--r--src/mesa/drivers/dri/savage/savagestate.c68
1 files changed, 19 insertions, 49 deletions
diff --git a/src/mesa/drivers/dri/savage/savagestate.c b/src/mesa/drivers/dri/savage/savagestate.c
index 2b512c11410..b86586c8b80 100644
--- a/src/mesa/drivers/dri/savage/savagestate.c
+++ b/src/mesa/drivers/dri/savage/savagestate.c
@@ -660,18 +660,14 @@ static void savageDDDrawBuffer(GLcontext *ctx, GLenum mode )
switch ( ctx->Color._DrawDestMask[0] ) {
case DD_FRONT_LEFT_BIT:
imesa->IsDouble = GL_FALSE;
-
- imesa->drawMap = (char *)imesa->apertureBase[TARGET_FRONT];
- imesa->readMap = (char *)imesa->apertureBase[TARGET_FRONT];
imesa->regs.s4.destCtrl.ni.offset = imesa->savageScreen->frontOffset>>11;
+
imesa->NotFirstFrame = GL_FALSE;
savageXMesaSetFrontClipRects( imesa );
FALLBACK( ctx, SAVAGE_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
case DD_BACK_LEFT_BIT:
imesa->IsDouble = GL_TRUE;
- imesa->drawMap = (char *)imesa->apertureBase[TARGET_BACK];
- imesa->readMap = (char *)imesa->apertureBase[TARGET_BACK];
imesa->regs.s4.destCtrl.ni.offset = imesa->savageScreen->backOffset>>11;
imesa->NotFirstFrame = GL_FALSE;
savageXMesaSetBackClipRects( imesa );
@@ -1779,66 +1775,40 @@ void savageDDInitState( savageContextPtr imesa ) {
/*fprintf(stderr,"DBflag:%d\n",imesa->glCtx->Visual->DBflag);*/
/* zbufoffset and destctrl have the same position and layout on
* savage4 and savage3d. */
- imesa->regs.s4.destCtrl.ni.offset = imesa->savageScreen->backOffset>>11;
- if(imesa->savageScreen->cpp == 2)
- {
+ if (imesa->glCtx->Visual.doubleBufferMode) {
+ imesa->IsDouble = GL_TRUE;
+ imesa->toggle = TARGET_BACK;
+ imesa->regs.s4.destCtrl.ni.offset =
+ imesa->savageScreen->backOffset>>11;
+ } else {
+ imesa->IsDouble = GL_FALSE;
+ imesa->toggle = TARGET_FRONT;
+ imesa->regs.s4.destCtrl.ni.offset =
+ imesa->savageScreen->frontOffset>>11;
+ }
+ if(imesa->savageScreen->cpp == 2) {
imesa->regs.s4.destCtrl.ni.dstPixFmt = 0;
imesa->regs.s4.destCtrl.ni.dstWidthInTile =
(imesa->savageScreen->width+63)>>6;
- }
- else
- {
+ } else {
imesa->regs.s4.destCtrl.ni.dstPixFmt = 1;
imesa->regs.s4.destCtrl.ni.dstWidthInTile =
(imesa->savageScreen->width+31)>>5;
}
-
- imesa->IsDouble = GL_TRUE;
-
+ imesa->drawMap = (char *)imesa->apertureBase[imesa->toggle];
+ imesa->readMap = (char *)imesa->apertureBase[imesa->toggle];
imesa->NotFirstFrame = GL_FALSE;
+
imesa->regs.s4.zBufOffset.ni.offset=imesa->savageScreen->depthOffset>>11;
- if(imesa->savageScreen->zpp == 2)
- {
+ if(imesa->savageScreen->zpp == 2) {
imesa->regs.s4.zBufOffset.ni.zBufWidthInTiles =
(imesa->savageScreen->width+63)>>6;
imesa->regs.s4.zBufOffset.ni.zDepthSelect = 0;
- }
- else
- {
+ } else {
imesa->regs.s4.zBufOffset.ni.zBufWidthInTiles =
(imesa->savageScreen->width+31)>>5;
imesa->regs.s4.zBufOffset.ni.zDepthSelect = 1;
}
-
- if (imesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT) {
- if(imesa->IsFullScreen)
- {
- imesa->toggle = TARGET_BACK;
-
- imesa->drawMap = (char *)imesa->apertureBase[imesa->toggle];
- imesa->readMap = (char *)imesa->apertureBase[imesa->toggle];
- }
- else
- {
- imesa->drawMap = (char *)imesa->apertureBase[TARGET_BACK];
- imesa->readMap = (char *)imesa->apertureBase[TARGET_BACK];
- }
-
- } else {
-
- if(imesa->IsFullScreen)
- {
- imesa->toggle = TARGET_BACK;
-
- imesa->drawMap = (char *)imesa->apertureBase[imesa->toggle];
- imesa->readMap = (char *)imesa->apertureBase[imesa->toggle];
- }
- else
- {
- imesa->drawMap = (char *)imesa->apertureBase[TARGET_BACK];
- imesa->readMap = (char *)imesa->apertureBase[TARGET_BACK];
- }
- }
memcpy (imesa->oldRegs.ui, imesa->regs.ui, SAVAGE_NR_REGS*sizeof(u_int32_t));