KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

st/xorg: Add EXA UploadToScreen and DownloadFromScreen hooks.

This commit is contained in:
Michel Dänzer 2009-09-02 15:41:40 +02:00
parent 98a8744e02
commit 385620e5eb
1 changed files with 64 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
src/gallium/state_trackers/xorg/xorg_exa.c
View File

@ -97,6 +97,68 @@ ExaMarkSync(ScreenPtr pScreen)
return 1;
}
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)
{
@ -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;