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-rw-r--r--uxa/uxa-render.c206
1 files changed, 183 insertions, 23 deletions
diff --git a/uxa/uxa-render.c b/uxa/uxa-render.c
index 30934d0d..b2e88c47 100644
--- a/uxa/uxa-render.c
+++ b/uxa/uxa-render.c
@@ -577,17 +577,142 @@ uxa_acquire_pattern(ScreenPtr pScreen,
}
}
+static Bool
+transform_is_integer_translation(PictTransformPtr t, int *tx, int *ty)
+{
+ if (t == NULL) {
+ *tx = *ty = 0;
+ return TRUE;
+ }
+
+ if (t->matrix[0][0] != IntToxFixed(1) ||
+ t->matrix[0][1] != 0 ||
+ t->matrix[1][0] != 0 ||
+ t->matrix[1][1] != IntToxFixed(1) ||
+ t->matrix[2][0] != 0 ||
+ t->matrix[2][1] != 0)
+ return FALSE;
+
+ if (xFixedFrac(t->matrix[0][2]) != 0 ||
+ xFixedFrac(t->matrix[1][2]) != 0)
+ return FALSE;
+
+ *tx = xFixedToInt(t->matrix[0][2]);
+ *ty = xFixedToInt(t->matrix[1][2]);
+ return TRUE;
+}
+
+static PicturePtr
+uxa_render_picture(ScreenPtr screen,
+ PicturePtr src,
+ INT16 x, INT16 y,
+ CARD16 width, CARD16 height)
+{
+ PicturePtr picture;
+ pixman_format_code_t format;
+ int ret = 0;
+
+ format = src->format |
+ (BitsPerPixel(src->pDrawable->depth) << 24);
+
+ picture = uxa_picture_for_pixman_format(screen, format, width, height);
+ if (!picture)
+ return 0;
+
+ if (uxa_prepare_access(picture->pDrawable, UXA_ACCESS_RW)) {
+ if (uxa_prepare_access(src->pDrawable, UXA_ACCESS_RO)) {
+ ret = 1;
+ fbComposite(PictOpSrc, src, NULL, picture,
+ x, y, 0, 0, 0, 0, width, height);
+ uxa_finish_access(src->pDrawable);
+ }
+ uxa_finish_access(picture->pDrawable);
+ }
+
+ if (!ret) {
+ FreePicture(picture, 0);
+ return 0;
+ }
+
+ return picture;
+}
+
+static PicturePtr
+uxa_acquire_drawable(ScreenPtr pScreen,
+ PicturePtr pSrc,
+ INT16 x, INT16 y,
+ CARD16 width, CARD16 height,
+ INT16 * out_x, INT16 * out_y,
+ Bool force)
+{
+ PixmapPtr pPixmap;
+ PicturePtr pDst;
+ GCPtr pGC;
+ int depth, error;
+ int tx, ty;
+
+ if (!force && uxa_drawable_is_offscreen(pSrc->pDrawable)) {
+ *out_x = x + pSrc->pDrawable->x;
+ *out_y = y + pSrc->pDrawable->y;
+ return pSrc;
+ }
+
+ depth = pSrc->pDrawable->depth;
+ if (depth == 1 || !transform_is_integer_translation(pSrc->transform, &tx, &ty)) {
+ /* XXX extract the sample extents and do the transformation on the GPU */
+ pDst = uxa_render_picture(pScreen, pSrc, x, y, width, height);
+ goto done;
+ }
+
+ pPixmap = pScreen->CreatePixmap(pScreen, width, height, depth, 0);
+ if (!pPixmap)
+ return 0;
+
+ /* Skip the copy if the result remains in memory and not a bo */
+ if (!uxa_drawable_is_offscreen(&pPixmap->drawable)) {
+ pScreen->DestroyPixmap(pPixmap);
+ *out_x = x + pSrc->pDrawable->x;
+ *out_y = y + pSrc->pDrawable->y;
+ return pSrc;
+ }
+
+ pGC = GetScratchGC(depth, pScreen);
+ if (!pGC) {
+ pScreen->DestroyPixmap(pPixmap);
+ return 0;
+ }
+
+ ValidateGC(&pPixmap->drawable, pGC);
+ pGC->ops->CopyArea(pSrc->pDrawable, &pPixmap->drawable, pGC,
+ x + tx, y + ty, width, height, 0, 0);
+ FreeScratchGC(pGC);
+
+ pDst = CreatePicture(0, &pPixmap->drawable,
+ PictureMatchFormat(pScreen, depth, pSrc->format),
+ 0, 0, serverClient, &error);
+ pScreen->DestroyPixmap(pPixmap);
+ ValidatePicture(pDst);
+
+done:
+ pDst->componentAlpha = pSrc->componentAlpha;
+ *out_x = x;
+ *out_y = y;
+ return pDst;
+}
+
static PicturePtr
uxa_acquire_source(ScreenPtr pScreen,
PicturePtr pPict,
INT16 x, INT16 y,
- CARD16 width, CARD16 height, INT16 * out_x, INT16 * out_y)
+ CARD16 width, CARD16 height,
+ INT16 * out_x, INT16 * out_y,
+ Bool force)
{
- if (pPict->pDrawable) {
- *out_x = x + pPict->pDrawable->x;
- *out_y = y + pPict->pDrawable->y;
- return pPict;
- }
+ if (pPict->pDrawable)
+ return uxa_acquire_drawable(pScreen, pPict,
+ x, y, width, height,
+ out_x, out_y,
+ force);
*out_x = 0;
*out_y = 0;
@@ -599,13 +724,15 @@ static PicturePtr
uxa_acquire_mask(ScreenPtr pScreen,
PicturePtr pPict,
INT16 x, INT16 y,
- INT16 width, INT16 height, INT16 * out_x, INT16 * out_y)
+ INT16 width, INT16 height,
+ INT16 * out_x, INT16 * out_y,
+ Bool force)
{
- if (pPict->pDrawable) {
- *out_x = x + pPict->pDrawable->x;
- *out_y = y + pPict->pDrawable->y;
- return pPict;
- }
+ if (pPict->pDrawable)
+ return uxa_acquire_drawable(pScreen, pPict,
+ x, y, width, height,
+ out_x, out_y,
+ force);
*out_x = 0;
*out_y = 0;
@@ -736,33 +863,41 @@ uxa_try_driver_composite(CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
+ INT16 xSrc, INT16 ySrc,
+ INT16 xMask, INT16 yMask,
+ INT16 xDst, INT16 yDst,
+ CARD16 width, CARD16 height)
{
uxa_screen_t *uxa_screen = uxa_get_screen(pDst->pDrawable->pScreen);
RegionRec region;
BoxPtr pbox;
int nbox;
+ INT16 _xSrc = xSrc, _ySrc = ySrc;
+ INT16 _xMask = xMask, _yMask = yMask;
int src_off_x, src_off_y, mask_off_x, mask_off_y, dst_off_x, dst_off_y;
PixmapPtr pSrcPix, pMaskPix = NULL, pDstPix;
PicturePtr localSrc, localMask = NULL;
+ pDstPix =
+ uxa_get_offscreen_pixmap(pDst->pDrawable, &dst_off_x, &dst_off_y);
+ if (!pDstPix)
+ return -1;
+
xDst += pDst->pDrawable->x;
yDst += pDst->pDrawable->y;
localSrc = uxa_acquire_source(pDst->pDrawable->pScreen,
pSrc, xSrc, ySrc, width, height,
- &xSrc, &ySrc);
+ &xSrc, &ySrc,
+ FALSE);
if (!localSrc)
return 0;
if (pMask) {
localMask = uxa_acquire_mask(pDst->pDrawable->pScreen,
pMask, xMask, yMask, width, height,
- &xMask, &yMask);
+ &xMask, &yMask,
+ FALSE);
if (!localMask) {
if (localSrc != pSrc)
FreePicture(localSrc, 0);
@@ -771,9 +906,37 @@ uxa_try_driver_composite(CARD8 op,
}
}
+recheck:
if (uxa_screen->info->check_composite &&
!(*uxa_screen->info->check_composite) (op, localSrc, localMask,
pDst)) {
+ if (localSrc == pSrc || (localMask && localMask == pMask)) {
+ if (localSrc == pSrc) {
+ localSrc = uxa_acquire_source(pDst->pDrawable->pScreen,
+ pSrc, _xSrc, _ySrc, width, height,
+ &xSrc, &ySrc, TRUE);
+ if (!localSrc || localSrc == pSrc) {
+ if (localMask && localMask != pMask)
+ FreePicture(localMask, 0);
+ return -(localSrc == pSrc);
+ }
+ }
+
+ if (localMask && localMask == pMask) {
+ localMask = uxa_acquire_mask(pDst->pDrawable->pScreen,
+ pMask, _xMask, _yMask, width, height,
+ &xMask, &yMask, TRUE);
+ if (!localMask || localMask == pMask) {
+ if (localSrc != pSrc)
+ FreePicture(localSrc, 0);
+
+ return -(localMask == pMask);
+ }
+ }
+
+ goto recheck;
+ }
+
if (localSrc != pSrc)
FreePicture(localSrc, 0);
if (localMask && localMask != pMask)
@@ -793,9 +956,6 @@ uxa_try_driver_composite(CARD8 op,
return 1;
}
- pDstPix =
- uxa_get_offscreen_pixmap(pDst->pDrawable, &dst_off_x, &dst_off_y);
-
pSrcPix = uxa_get_offscreen_pixmap(localSrc->pDrawable,
&src_off_x, &src_off_y);
@@ -803,7 +963,7 @@ uxa_try_driver_composite(CARD8 op,
pMaskPix = uxa_get_offscreen_pixmap(localMask->pDrawable,
&mask_off_x, &mask_off_y);
- if (!pDstPix || !pSrcPix || (localMask && !pMaskPix)) {
+ if (!pSrcPix || (localMask && !pMaskPix)) {
REGION_UNINIT(pDst->pDrawable->pScreen, &region);
if (localSrc != pSrc)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 02:40:09 +0000