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Allocate rotate shadow buffers using the usual framebuffer allocator. 

This means we can get tiling on them, which should significantly boost
performance, and also allow for FBC.
This commit is contained in:
Eric Anholt 2010-06-07 11:18:09 -07:00
parent b5c9de10ba
commit d41684d545
1 changed files with 5 additions and 10 deletions
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15
src/drmmode_display.c
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@ -470,18 +470,15 @@ static void *
drmmode_crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
{
ScrnInfoPtr scrn = crtc->scrn;
intel_screen_private *intel = intel_get_screen_private(scrn);
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
int size, ret;
int ret;
unsigned long rotate_pitch;
width = i830_pad_drawable_width(width);
rotate_pitch = width * drmmode->cpp;
size = rotate_pitch * height;
drmmode_crtc->rotate_bo =
drm_intel_bo_alloc(intel->bufmgr, "rotate", size, 4096);
drmmode_crtc->rotate_bo = i830_allocate_framebuffer(scrn,
width, height,
drmmode->cpp,
&rotate_pitch);
if (!drmmode_crtc->rotate_bo) {
xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
@ -489,8 +486,6 @@ drmmode_crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
return NULL;
}
drm_intel_bo_disable_reuse(drmmode_crtc->rotate_bo);
ret = drmModeAddFB(drmmode->fd, width, height, crtc->scrn->depth,
crtc->scrn->bitsPerPixel, rotate_pitch,
drmmode_crtc->rotate_bo->handle,