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authorEric Anholt <anholt@freebsd.org>2004-07-22 06:58:15 +0000
committerEric Anholt <anholt@freebsd.org>2004-07-22 06:58:15 +0000
commitd78bd665b20eb68e74b9b4c2d04fa177cc4447c6 (patch)
tree4ab0eac8a0344d2cdcbe0e41d257238f0e1def94 /src/radeon_driver.c
parentbea8085e04136b0ef513c17bb65c54069ec531e1 (diff)
DRI trunk-20040721 importDRI-trunk-20040721import-1.1.3
Diffstat (limited to 'src/radeon_driver.c')
-rw-r--r--src/radeon_driver.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index bfc50c4..8a8aae7 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -4474,15 +4474,21 @@ Bool RADEONScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
int bufferSize = ((pScrn->virtualY * width_bytes
+ RADEON_BUFFER_ALIGN)
& ~RADEON_BUFFER_ALIGN);
- int depthSize = ((((pScrn->virtualY+15) & ~15) * width_bytes
- + RADEON_BUFFER_ALIGN)
- & ~RADEON_BUFFER_ALIGN);
+ int depthSize;
int l;
int scanlines;
info->frontOffset = 0;
info->frontPitch = pScrn->displayWidth;
+ /* Due to tiling, the Z buffer pitch must be a multiple of 32 pixels,
+ * and its height a multiple of 16 lines.
+ */
+ info->depthPitch = (pScrn->displayWidth + 31) & ~31;
+ depthSize = ((((pScrn->virtualY+15) & ~15) * info->depthPitch
+ * info->CurrentLayout.pixel_bytes + RADEON_BUFFER_ALIGN)
+ & ~RADEON_BUFFER_ALIGN);
+
switch (info->CPMode) {
case RADEON_DEFAULT_CP_PIO_MODE:
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "CP in PIO mode\n");
@@ -4573,7 +4579,6 @@ Bool RADEONScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
info->depthOffset = ((info->textureOffset - depthSize +
RADEON_BUFFER_ALIGN) &
~(CARD32)RADEON_BUFFER_ALIGN);
- info->depthPitch = pScrn->displayWidth;
/* Reserve space for the shared back buffer */
if (info->noBackBuffer) {