diff options
author | Michel Dänzer <daenzer@vmware.com> | 2009-09-02 15:41:40 +0200 |
---|---|---|
committer | Michel Dänzer <daenzer@vmware.com> | 2009-09-02 15:41:40 +0200 |
commit | 385620e5ebcbd5ee1fb4eaf75083ea540ac53955 (patch) | |
tree | b507896125eacbc8e69e54852d939331c65fa5e2 /src/gallium/state_trackers/xorg | |
parent | 98a8744e02c5c1aa0c97c0265680f09f92a68818 (diff) |
st/xorg: Add EXA UploadToScreen and DownloadFromScreen hooks.
Diffstat (limited to 'src/gallium/state_trackers/xorg')
-rw-r--r-- | src/gallium/state_trackers/xorg/xorg_exa.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_exa.c b/src/gallium/state_trackers/xorg/xorg_exa.c index 1ed807de93..a17a71f23a 100644 --- a/src/gallium/state_trackers/xorg/xorg_exa.c +++ b/src/gallium/state_trackers/xorg/xorg_exa.c @@ -98,6 +98,68 @@ ExaMarkSync(ScreenPtr pScreen) } static Bool +ExaDownloadFromScreen(PixmapPtr pPix, int x, int y, int w, int h, char *dst, + int dst_pitch) +{ + ScreenPtr pScreen = pPix->drawable.pScreen; + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + modesettingPtr ms = modesettingPTR(pScrn); + struct exa_context *exa = ms->exa; + struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix); + struct pipe_transfer *transfer; + + if (!priv || !priv->tex) + return FALSE; + + if (exa->ctx->is_texture_referenced(exa->ctx, priv->tex, 0, 0) & + PIPE_REFERENCED_FOR_WRITE) + exa->ctx->flush(exa->ctx, 0, NULL); + + transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0, + PIPE_TRANSFER_READ, x, y, w, h); + if (!transfer) + return FALSE; + + util_copy_rect((unsigned char*)dst, &priv->tex->block, dst_pitch, 0, 0, + w, h, exa->scrn->transfer_map(exa->scrn, transfer), + transfer->stride, 0, 0); + + exa->scrn->transfer_unmap(exa->scrn, transfer); + exa->scrn->tex_transfer_destroy(transfer); + + return TRUE; +} + +static Bool +ExaUploadToScreen(PixmapPtr pPix, int x, int y, int w, int h, char *src, + int src_pitch) +{ + ScreenPtr pScreen = pPix->drawable.pScreen; + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + modesettingPtr ms = modesettingPTR(pScrn); + struct exa_context *exa = ms->exa; + struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix); + struct pipe_transfer *transfer; + + if (!priv || !priv->tex) + return FALSE; + + transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0, + PIPE_TRANSFER_WRITE, x, y, w, h); + if (!transfer) + return FALSE; + + util_copy_rect(exa->scrn->transfer_map(exa->scrn, transfer), + &priv->tex->block, transfer->stride, 0, 0, w, h, + (unsigned char*)src, src_pitch, 0, 0); + + exa->scrn->transfer_unmap(exa->scrn, transfer); + exa->scrn->tex_transfer_destroy(transfer); + + return TRUE; +} + +static Bool ExaPrepareAccess(PixmapPtr pPix, int index) { ScreenPtr pScreen = pPix->drawable.pScreen; @@ -599,6 +661,8 @@ xorg_exa_init(ScrnInfoPtr pScrn) pExa->Composite = ExaComposite; pExa->DoneComposite = ExaDoneComposite; pExa->PixmapIsOffscreen = ExaPixmapIsOffscreen; + pExa->DownloadFromScreen = ExaDownloadFromScreen; + pExa->UploadToScreen = ExaUploadToScreen; pExa->PrepareAccess = ExaPrepareAccess; pExa->FinishAccess = ExaFinishAccess; pExa->CreatePixmap = ExaCreatePixmap; |