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R6xx/r7xx: implement memcpy buffer swaps

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This allows double buffered apps to run, but perfomance
will be awful until we implement something faster.

You must update to the latest kernel modules.
This commit is contained in:
Alex Deucher
2009-07-14 21:19:32 -04:00
parent 9385e4e1ff
commit 10b3e64bca
1 changed files with 18 additions and 0 deletions
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src/mesa/drivers/dri/radeon/radeon_common.c
+18
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@@ -475,6 +475,24 @@ void radeonCopyBuffer( __DRIdrawablePrivate *dPriv,
if (!n)
continue;
if (IS_R600_CLASS(rmesa->radeonScreen)) {
int src_pitch = rmesa->radeonScreen->backPitch * rmesa->radeonScreen->cpp;
int dst_pitch = rmesa->radeonScreen->frontPitch * rmesa->radeonScreen->cpp;
char *src = (char *)rmesa->radeonScreen->driScreen->pFB + rmesa->radeonScreen->backOffset;
char *dst = (char *)rmesa->radeonScreen->driScreen->pFB + rmesa->radeonScreen->frontOffset;
int j;
drm_clip_rect_t *pb = rmesa->sarea->boxes;
for (j = 0; j < n; j++) {
int x = pb[j].x1;
int y = pb[j].y1;
int w = pb[j].x2 - x;
int h = pb[j].y2 - y;
r600_sw_blit(src, src_pitch, dst, dst_pitch, x, y, w, h, rmesa->radeonScreen->cpp);
}
}
ret = drmCommandNone( rmesa->dri.fd, DRM_RADEON_SWAP );
if ( ret ) {