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Diffstat (limited to 'xorg-server/glamor/glamor_compositerects.c')
-rw-r--r--xorg-server/glamor/glamor_compositerects.c458
1 files changed, 228 insertions, 230 deletions
diff --git a/xorg-server/glamor/glamor_compositerects.c b/xorg-server/glamor/glamor_compositerects.c
index 1a5769958..3b6b2ed07 100644
--- a/xorg-server/glamor/glamor_compositerects.c
+++ b/xorg-server/glamor/glamor_compositerects.c
@@ -36,243 +36,241 @@
* compositeRects acceleration implementation
*/
-static int16_t bound(int16_t a, uint16_t b)
+static int16_t
+bound(int16_t a, uint16_t b)
{
- int v = (int)a + (int)b;
- if (v > MAXSHORT)
- return MAXSHORT;
- return v;
+ int v = (int) a + (int) b;
+
+ if (v > MAXSHORT)
+ return MAXSHORT;
+ return v;
}
static Bool
-_pixman_region_init_clipped_rectangles(pixman_region16_t *region,
- unsigned int num_rects,
- xRectangle *rects,
- int tx, int ty,
- BoxPtr extents)
+_pixman_region_init_clipped_rectangles(pixman_region16_t * region,
+ unsigned int num_rects,
+ xRectangle *rects,
+ int tx, int ty, BoxPtr extents)
{
- pixman_box16_t stack_boxes[64], *boxes = stack_boxes;
- pixman_bool_t ret;
- unsigned int i, j;
-
- if (num_rects > ARRAY_SIZE(stack_boxes)) {
- boxes = malloc(sizeof(pixman_box16_t) * num_rects);
- if (boxes == NULL)
- return FALSE;
- }
-
- for (i = j = 0; i < num_rects; i++) {
- boxes[j].x1 = rects[i].x + tx;
- if (boxes[j].x1 < extents->x1)
- boxes[j].x1 = extents->x1;
-
- boxes[j].y1 = rects[i].y + ty;
- if (boxes[j].y1 < extents->y1)
- boxes[j].y1 = extents->y1;
-
- boxes[j].x2 = bound(rects[i].x + tx, rects[i].width);
- if (boxes[j].x2 > extents->x2)
- boxes[j].x2 = extents->x2;
-
- boxes[j].y2 = bound(rects[i].y + ty, rects[i].height);
- if (boxes[j].y2 > extents->y2)
- boxes[j].y2 = extents->y2;
-
- if (boxes[j].x2 > boxes[j].x1 && boxes[j].y2 > boxes[j].y1)
- j++;
- }
-
- ret = FALSE;
- if (j)
- ret = pixman_region_init_rects(region, boxes, j);
-
- if (boxes != stack_boxes)
- free(boxes);
-
- DEBUGF("%s: nrects=%d, region=(%d, %d), (%d, %d) x %d\n",
- __FUNCTION__, num_rects,
- region->extents.x1, region->extents.y1,
- region->extents.x2, region->extents.y2,
- j);
- return ret;
+ pixman_box16_t stack_boxes[64], *boxes = stack_boxes;
+ pixman_bool_t ret;
+ unsigned int i, j;
+
+ if (num_rects > ARRAY_SIZE(stack_boxes)) {
+ boxes = malloc(sizeof(pixman_box16_t) * num_rects);
+ if (boxes == NULL)
+ return FALSE;
+ }
+
+ for (i = j = 0; i < num_rects; i++) {
+ boxes[j].x1 = rects[i].x + tx;
+ if (boxes[j].x1 < extents->x1)
+ boxes[j].x1 = extents->x1;
+
+ boxes[j].y1 = rects[i].y + ty;
+ if (boxes[j].y1 < extents->y1)
+ boxes[j].y1 = extents->y1;
+
+ boxes[j].x2 = bound(rects[i].x + tx, rects[i].width);
+ if (boxes[j].x2 > extents->x2)
+ boxes[j].x2 = extents->x2;
+
+ boxes[j].y2 = bound(rects[i].y + ty, rects[i].height);
+ if (boxes[j].y2 > extents->y2)
+ boxes[j].y2 = extents->y2;
+
+ if (boxes[j].x2 > boxes[j].x1 && boxes[j].y2 > boxes[j].y1)
+ j++;
+ }
+
+ ret = FALSE;
+ if (j)
+ ret = pixman_region_init_rects(region, boxes, j);
+
+ if (boxes != stack_boxes)
+ free(boxes);
+
+ DEBUGF("%s: nrects=%d, region=(%d, %d), (%d, %d) x %d\n",
+ __FUNCTION__, num_rects,
+ region->extents.x1, region->extents.y1,
+ region->extents.x2, region->extents.y2, j);
+ return ret;
}
-
void
-glamor_composite_rectangles(CARD8 op,
- PicturePtr dst,
- xRenderColor *color,
- int num_rects,
- xRectangle *rects)
+glamor_composite_rectangles(CARD8 op,
+ PicturePtr dst,
+ xRenderColor * color,
+ int num_rects, xRectangle *rects)
{
- PixmapPtr pixmap;
- struct glamor_pixmap_private *priv;
- pixman_region16_t region;
- pixman_box16_t *boxes;
- int dst_x, dst_y;
- int num_boxes;
- PicturePtr source = NULL;
- Bool need_free_region = FALSE;
-
- DEBUGF("%s(op=%d, %08x x %d [(%d, %d)x(%d, %d) ...])\n",
- __FUNCTION__, op,
- (color->alpha >> 8 << 24) |
- (color->red >> 8 << 16) |
- (color->green >> 8 << 8) |
- (color->blue >> 8 << 0),
- num_rects,
- rects[0].x, rects[0].y, rects[0].width, rects[0].height);
-
- if (!num_rects)
- return;
-
- if (region_is_empty(dst->pCompositeClip)) {
- DEBUGF("%s: empty clip, skipping\n", __FUNCTION__);
- return;
- }
-
- if ((color->red|color->green|color->blue|color->alpha) <= 0x00ff) {
- switch (op) {
- case PictOpOver:
- case PictOpOutReverse:
- case PictOpAdd:
- return;
- case PictOpInReverse:
- case PictOpSrc:
- op = PictOpClear;
- break;
- case PictOpAtopReverse:
- op = PictOpOut;
- break;
- case PictOpXor:
- op = PictOpOverReverse;
- break;
- }
- }
- if (color->alpha <= 0x00ff) {
- switch (op) {
- case PictOpOver:
- case PictOpOutReverse:
- return;
- case PictOpInReverse:
- op = PictOpClear;
- break;
- case PictOpAtopReverse:
- op = PictOpOut;
- break;
- case PictOpXor:
- op = PictOpOverReverse;
- break;
- }
- } else if (color->alpha >= 0xff00) {
- switch (op) {
- case PictOpOver:
- op = PictOpSrc;
- break;
- case PictOpInReverse:
- return;
- case PictOpOutReverse:
- op = PictOpClear;
- break;
- case PictOpAtopReverse:
- op = PictOpOverReverse;
- break;
- case PictOpXor:
- op = PictOpOut;
- break;
- }
- }
- DEBUGF("%s: converted to op %d\n", __FUNCTION__, op);
-
- if (!_pixman_region_init_clipped_rectangles(&region,
- num_rects, rects,
- dst->pDrawable->x,
- dst->pDrawable->y,
- &dst->pCompositeClip->extents))
- {
- DEBUGF("%s: allocation failed for region\n", __FUNCTION__);
- return;
- }
-
- pixmap = glamor_get_drawable_pixmap(dst->pDrawable);
- priv = glamor_get_pixmap_private(pixmap);
-
- if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(priv))
- goto fallback;
- if (dst->alphaMap) {
- DEBUGF("%s: fallback, dst has an alpha-map\n", __FUNCTION__);
- goto fallback;
- }
-
- need_free_region = TRUE;
-
- DEBUGF("%s: drawable extents (%d, %d),(%d, %d) x %d\n",
- __FUNCTION__,
- RegionExtents(&region)->x1, RegionExtents(&region)->y1,
- RegionExtents(&region)->x2, RegionExtents(&region)->y2,
- RegionNumRects(&region));
-
- if (dst->pCompositeClip->data &&
- (!pixman_region_intersect(&region, &region, dst->pCompositeClip) ||
- region_is_empty(&region))) {
- DEBUGF("%s: zero-intersection between rectangles and clip\n",
- __FUNCTION__);
- pixman_region_fini(&region);
- return;
- }
-
- DEBUGF("%s: clipped extents (%d, %d),(%d, %d) x %d\n",
- __FUNCTION__,
- RegionExtents(&region)->x1, RegionExtents(&region)->y1,
- RegionExtents(&region)->x2, RegionExtents(&region)->y2,
- RegionNumRects(&region));
-
- glamor_get_drawable_deltas(dst->pDrawable, pixmap, &dst_x, &dst_y);
- pixman_region_translate(&region, dst_x, dst_y);
-
- DEBUGF("%s: pixmap +(%d, %d) extents (%d, %d),(%d, %d)\n",
- __FUNCTION__, dst_x, dst_y,
- RegionExtents(&region)->x1, RegionExtents(&region)->y1,
- RegionExtents(&region)->x2, RegionExtents(&region)->y2);
-
-
- boxes = pixman_region_rectangles(&region, &num_boxes);
- if (op == PictOpSrc || op == PictOpClear) {
- CARD32 pixel;
- if (op == PictOpClear)
- pixel = 0;
- else
- miRenderColorToPixel(dst->pFormat, color, &pixel);
- glamor_solid_boxes(pixmap, boxes, num_boxes, pixel);
-
- goto done;
- } else {
- if (likely(priv->type != GLAMOR_TEXTURE_LARGE)) {
- int error;
-
- source = CreateSolidPicture(0, color, &error);
- if (!source)
- goto done;
- if (glamor_composite_clipped_region(op, source,
- NULL, dst,
- NULL, NULL, priv,
- &region,
- 0,0,0,0,0,0))
- goto done;
- }
- }
-fallback:
- miCompositeRects(op, dst, color, num_rects, rects);
-done:
- /* XXX xserver-1.8: CompositeRects is not tracked by Damage, so we must
- * manually append the damaged regions ourselves.
- */
- DamageRegionAppend(&pixmap->drawable, &region);
- DamageRegionProcessPending(&pixmap->drawable);
-
- if (need_free_region)
- pixman_region_fini(&region);
- if (source)
- FreePicture(source, 0);
- return;
+ PixmapPtr pixmap;
+ struct glamor_pixmap_private *priv;
+ pixman_region16_t region;
+ pixman_box16_t *boxes;
+ int dst_x, dst_y;
+ int num_boxes;
+ PicturePtr source = NULL;
+ Bool need_free_region = FALSE;
+
+ DEBUGF("%s(op=%d, %08x x %d [(%d, %d)x(%d, %d) ...])\n",
+ __FUNCTION__, op,
+ (color->alpha >> 8 << 24) |
+ (color->red >> 8 << 16) |
+ (color->green >> 8 << 8) |
+ (color->blue >> 8 << 0),
+ num_rects, rects[0].x, rects[0].y, rects[0].width, rects[0].height);
+
+ if (!num_rects)
+ return;
+
+ if (RegionNil(dst->pCompositeClip)) {
+ DEBUGF("%s: empty clip, skipping\n", __FUNCTION__);
+ return;
+ }
+
+ if ((color->red | color->green | color->blue | color->alpha) <= 0x00ff) {
+ switch (op) {
+ case PictOpOver:
+ case PictOpOutReverse:
+ case PictOpAdd:
+ return;
+ case PictOpInReverse:
+ case PictOpSrc:
+ op = PictOpClear;
+ break;
+ case PictOpAtopReverse:
+ op = PictOpOut;
+ break;
+ case PictOpXor:
+ op = PictOpOverReverse;
+ break;
+ }
+ }
+ if (color->alpha <= 0x00ff) {
+ switch (op) {
+ case PictOpOver:
+ case PictOpOutReverse:
+ return;
+ case PictOpInReverse:
+ op = PictOpClear;
+ break;
+ case PictOpAtopReverse:
+ op = PictOpOut;
+ break;
+ case PictOpXor:
+ op = PictOpOverReverse;
+ break;
+ }
+ }
+ else if (color->alpha >= 0xff00) {
+ switch (op) {
+ case PictOpOver:
+ op = PictOpSrc;
+ break;
+ case PictOpInReverse:
+ return;
+ case PictOpOutReverse:
+ op = PictOpClear;
+ break;
+ case PictOpAtopReverse:
+ op = PictOpOverReverse;
+ break;
+ case PictOpXor:
+ op = PictOpOut;
+ break;
+ }
+ }
+ DEBUGF("%s: converted to op %d\n", __FUNCTION__, op);
+
+ if (!_pixman_region_init_clipped_rectangles(&region,
+ num_rects, rects,
+ dst->pDrawable->x,
+ dst->pDrawable->y,
+ &dst->pCompositeClip->extents))
+ {
+ DEBUGF("%s: allocation failed for region\n", __FUNCTION__);
+ return;
+ }
+
+ pixmap = glamor_get_drawable_pixmap(dst->pDrawable);
+ priv = glamor_get_pixmap_private(pixmap);
+
+ if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(priv))
+ goto fallback;
+ if (dst->alphaMap) {
+ DEBUGF("%s: fallback, dst has an alpha-map\n", __FUNCTION__);
+ goto fallback;
+ }
+
+ need_free_region = TRUE;
+
+ DEBUGF("%s: drawable extents (%d, %d),(%d, %d) x %d\n",
+ __FUNCTION__,
+ RegionExtents(&region)->x1, RegionExtents(&region)->y1,
+ RegionExtents(&region)->x2, RegionExtents(&region)->y2,
+ RegionNumRects(&region));
+
+ if (dst->pCompositeClip->data &&
+ (!pixman_region_intersect(&region, &region, dst->pCompositeClip) ||
+ RegionNil(&region))) {
+ DEBUGF("%s: zero-intersection between rectangles and clip\n",
+ __FUNCTION__);
+ pixman_region_fini(&region);
+ return;
+ }
+
+ DEBUGF("%s: clipped extents (%d, %d),(%d, %d) x %d\n",
+ __FUNCTION__,
+ RegionExtents(&region)->x1, RegionExtents(&region)->y1,
+ RegionExtents(&region)->x2, RegionExtents(&region)->y2,
+ RegionNumRects(&region));
+
+ glamor_get_drawable_deltas(dst->pDrawable, pixmap, &dst_x, &dst_y);
+ pixman_region_translate(&region, dst_x, dst_y);
+
+ DEBUGF("%s: pixmap +(%d, %d) extents (%d, %d),(%d, %d)\n",
+ __FUNCTION__, dst_x, dst_y,
+ RegionExtents(&region)->x1, RegionExtents(&region)->y1,
+ RegionExtents(&region)->x2, RegionExtents(&region)->y2);
+
+ boxes = pixman_region_rectangles(&region, &num_boxes);
+ if (op == PictOpSrc || op == PictOpClear) {
+ CARD32 pixel;
+
+ if (op == PictOpClear)
+ pixel = 0;
+ else
+ miRenderColorToPixel(dst->pFormat, color, &pixel);
+ glamor_solid_boxes(pixmap, boxes, num_boxes, pixel);
+
+ goto done;
+ }
+ else {
+ if (_X_LIKELY(priv->type != GLAMOR_TEXTURE_LARGE)) {
+ int error;
+
+ source = CreateSolidPicture(0, color, &error);
+ if (!source)
+ goto done;
+ if (glamor_composite_clipped_region(op, source,
+ NULL, dst,
+ NULL, NULL, priv,
+ &region, 0, 0, 0, 0, 0, 0))
+ goto done;
+ }
+ }
+ fallback:
+ miCompositeRects(op, dst, color, num_rects, rects);
+ done:
+ /* XXX xserver-1.8: CompositeRects is not tracked by Damage, so we must
+ * manually append the damaged regions ourselves.
+ */
+ DamageRegionAppend(&pixmap->drawable, &region);
+ DamageRegionProcessPending(&pixmap->drawable);
+
+ if (need_free_region)
+ pixman_region_fini(&region);
+ if (source)
+ FreePicture(source, 0);
+ return;
}
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