Module: Mesa
Branch: r6xx-rewrite
Commit: 10b3e64bcada2e68144cc6ed40f7d760aff873e2
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=10b3e64bcada2e68144cc6ed40f7d760aff873e2
Author: Alex Deucher <alexdeuc...@gmail.com>
Date: Tue Jul 14 21:19:32 2009 -0400
R6xx/r7xx: implement memcpy buffer swaps
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.
---
src/mesa/drivers/dri/radeon/radeon_common.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c
b/src/mesa/drivers/dri/radeon/radeon_common.c
index 60d6bbb..e75e6a3 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common.c
@@ -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 ) {
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