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authorMichel Dänzer <daenzer@vmware.com>2009-09-02 15:41:40 +0200
committerMichel Dänzer <daenzer@vmware.com>2009-09-02 15:41:40 +0200
commit385620e5ebcbd5ee1fb4eaf75083ea540ac53955 (patch)
treeb507896125eacbc8e69e54852d939331c65fa5e2 /src/gallium
parent98a8744e02c5c1aa0c97c0265680f09f92a68818 (diff)
st/xorg: Add EXA UploadToScreen and DownloadFromScreen hooks.
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/state_trackers/xorg/xorg_exa.c64
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;