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-rw-r--r--src/radeon_driver.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index 221c9fb9..786f6c2c 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -158,8 +158,9 @@ typedef enum {
OPTION_MIN_DOTCLOCK,
#ifdef RENDER
OPTION_RENDER_ACCEL,
- OPTION_SUBPIXEL_ORDER
+ OPTION_SUBPIXEL_ORDER,
#endif
+ OPTION_SHOWCACHE
} RADEONOpts;
const OptionInfoRec RADEONOptions[] = {
@@ -202,6 +203,7 @@ const OptionInfoRec RADEONOptions[] = {
{ OPTION_RENDER_ACCEL, "RenderAccel", OPTV_BOOLEAN, {0}, FALSE },
{ OPTION_SUBPIXEL_ORDER, "SubPixelOrder", OPTV_ANYSTR, {0}, FALSE },
#endif
+ { OPTION_SHOWCACHE, "ShowCache", OPTV_BOOLEAN, {0}, FALSE },
{ -1, NULL, OPTV_NONE, {0}, FALSE }
};
@@ -2440,13 +2442,16 @@ static Bool RADEONPreInitConfig(ScrnInfoPtr pScrn)
}
}
#endif
+ xf86GetOptValBool(info->Options, OPTION_SHOWCACHE, &info->showCache);
+ if (info->showCache)
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
+ "Option ShowCache enabled\n");
#ifdef RENDER
info->RenderAccel = xf86ReturnOptValBool (info->Options,
OPTION_RENDER_ACCEL, TRUE);
#endif
-
return TRUE;
}
@@ -7001,11 +7006,21 @@ void RADEONDoAdjustFrame(ScrnInfoPtr pScrn, int x, int y, int clone)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
unsigned char *RADEONMMIO = info->MMIO;
- int reg, Base = y * info->CurrentLayout.displayWidth + x;
+ int reg, Base;
#ifdef XF86DRI
RADEONSAREAPrivPtr pSAREAPriv;
#endif
+ if (info->showCache && y) {
+ int lastline = info->FbMapSize /
+ ((pScrn->displayWidth * pScrn->bitsPerPixel) / 8);
+
+ lastline -= pScrn->currentMode->VDisplay;
+ y += (pScrn->virtualY - 1) * (y / 3 + 1);
+ if (y > lastline) y = lastline;
+ }
+ Base = y * info->CurrentLayout.displayWidth + x;
+
switch (info->CurrentLayout.pixel_code) {
case 15:
case 16: Base *= 2; break;