File xf86-video-ati-kms-don-t-rotate-if-acceleration... of Package xorg-x11-driver-video

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File xf86-video-ati-kms-don-t-rotate-if-acceleration-is-not-enabled.patch of Package xorg-x11-driver-video (Revision 9b45b8d701b5c3054daa08aca40dd202)

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From 88304fe9c0ce69012d44a77a5368c35236511dac Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 28 Feb 2011 11:29:19 -0500
Subject: [PATCH] kms: don't rotate if acceleration is not enabled

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
---
 src/drmmode_display.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index a972389..7873d57 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -445,6 +445,8 @@ drmmode_show_cursor (xf86CrtcPtr crtc)
 static void *
 drmmode_crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
 {
+	ScrnInfoPtr pScrn = crtc->scrn;
+	RADEONInfoPtr info = RADEONPTR(pScrn);
 	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
 	drmmode_ptr drmmode = drmmode_crtc->drmmode;
 	int size;
@@ -453,6 +455,13 @@ drmmode_crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
 	unsigned long rotate_pitch;
 	int base_align;
 
+	/* rotation requires acceleration */
+	if (info->r600_shadow_fb) {
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "Rotation requires acceleration!\n");
+		return NULL;
+	}
+
 	rotate_pitch =
 		RADEON_ALIGN(width, drmmode_get_pitch_align(crtc->scrn, drmmode->cpp, 0)) * drmmode->cpp;
 	height = RADEON_ALIGN(height, drmmode_get_height_align(crtc->scrn, 0));
-- 
1.7.4.1

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File xf86-video-ati-kms-don-t-rotate-if-acceleration-is-not-enabled.patch of Package xorg-x11-driver-video (Revision 9b45b8d701b5c3054daa08aca40dd202)

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