mirror of
https://github.com/VincentWei/MiniGUI.git
synced 2026-09-26 12:27:58 +08:00
optimize fallback compositor
This commit is contained in:
Vincent Wei
+169
-51
@@ -104,8 +104,9 @@ static void terminate (CompositorCtxt* ctxt)
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}
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}
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static void subtract_opaque_win_znodes_above (CompositorCtxt* ctxt, int from)
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static int subtract_opaque_win_znodes_above (CompositorCtxt* ctxt, int from)
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{
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int nr_subtracted = 0;
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int prev;
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// subtract opaque window znodes
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@@ -115,16 +116,26 @@ static void subtract_opaque_win_znodes_above (CompositorCtxt* ctxt, int from)
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CLIPRGN* rgn;
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znode_hdr = ServerGetWinZNodeHeader (NULL, prev, (void**)&rgn, FALSE);
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if (znode_hdr && (znode_hdr->flags & ZNIF_VISIBLE) &&
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if (znode_hdr == NULL) {
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_WRN_PRINTF (
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"failed to get znode header for zidx (%d) on layer (%s)\n",
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from, mgTopmostLayer->name);
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}
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else if ((znode_hdr->flags & ZNIF_VISIBLE) &&
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znode_hdr->ct == CT_OPAQUE) {
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assert (rgn);
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SubtractRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, rgn);
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_DBG_PRINTF ("subtract window above: %d, %s\n",
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prev, znode_hdr->caption);
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if (SubtractRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, rgn)) {
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_DBG_PRINTF ("subtract window above: %d, %s\n",
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prev, znode_hdr->caption);
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nr_subtracted++;
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}
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}
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prev = ServerGetPrevZNode (NULL, prev, NULL);
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}
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return nr_subtracted;
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}
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/*
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@@ -321,8 +332,11 @@ static void composite_win_znode (CompositorCtxt* ctxt, int from)
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}
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znode_hdr = ServerGetWinZNodeHeader (NULL, from, (void**)&rgn, TRUE);
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if (znode_hdr == NULL)
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if (znode_hdr == NULL) {
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_WRN_PRINTF ("failed to get znode header for zidx (%d) on layer (%s)\n",
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from, mgTopmostLayer->name);
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return;
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}
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if (znode_hdr->flags & ZNIF_VISIBLE) {
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CLIPRGN inv_rgn;
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@@ -396,26 +410,123 @@ static void composite_win_znode (CompositorCtxt* ctxt, int from)
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ServerReleaseWinZNodeHeader (NULL, from);
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}
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static void composite_on_dirty_region (CompositorCtxt* ctxt)
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static void composite_lucent_win_znode_above (CompositorCtxt* ctxt,
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const CLIPRGN* dirty_rgn, int from)
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{
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int next;
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int prev;
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/* generate the compositing region for windows */
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// subtract opaque window znodes
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prev = ServerGetPrevZNode (NULL, from, NULL);
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while (prev > 0) {
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const ZNODEHEADER* znode_hdr;
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CLIPRGN* rgn;
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znode_hdr = ServerGetWinZNodeHeader (NULL, prev, (void**)&rgn, TRUE);
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if (znode_hdr) {
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assert (rgn);
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if ((znode_hdr->flags & ZNIF_VISIBLE) &&
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znode_hdr->ct != CT_OPAQUE &&
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IntersectRegion (&ctxt->tmp_rgn, dirty_rgn, rgn)) {
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SelectClipRegion (HDC_SCREEN_SYS, &ctxt->tmp_rgn);
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switch (znode_hdr->ct) {
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case CT_COLORKEY:
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SetMemDCColorKey (znode_hdr->mem_dc,
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MEMDC_FLAG_SRCCOLORKEY,
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DWORD2Pixel (znode_hdr->mem_dc, znode_hdr->ct_arg));
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break;
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case CT_ALPHACHANNEL:
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SetMemDCAlpha (znode_hdr->mem_dc,
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MEMDC_FLAG_SRCALPHA, (BYTE)znode_hdr->ct_arg);
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break;
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case CT_ALPHAPIXEL:
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SetMemDCAlpha (znode_hdr->mem_dc,
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MEMDC_FLAG_SRCPIXELALPHA, 0);
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break;
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case CT_BLURRED:
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_WRN_PRINTF("CT_BLURRED is not implemented\n");
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break;
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default:
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assert (0); // never touch here.
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break;
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}
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EmptyClipRgn (&ctxt->tmp_rgn);
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}
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ServerReleaseWinZNodeHeader (NULL, prev);
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}
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else {
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_WRN_PRINTF (
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"failed to get znode header for zidx (%d) on layer (%s)\n",
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prev, mgTopmostLayer->name);
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}
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prev = ServerGetPrevZNode (NULL, prev, NULL);
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}
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}
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static void composite_on_dirty_region (CompositorCtxt* ctxt, int from)
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{
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CLIPRGN tmp_rgn;
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int next;
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BOOL above = FALSE;
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/* tmp_rgn will be used to save the dirty region for lucent window znodes
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above the current znode. */
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InitClipRgn (&tmp_rgn, &ctxt->cliprc_heap);
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/* subtract the opaque window znodes above the current znode from
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the dirty region. */
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if (from > 0 && subtract_opaque_win_znodes_above (ctxt, from) > 0) {
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if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
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return;
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}
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above = TRUE;
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}
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/* generate the effective dirty region for windows */
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IntersectRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, &ctxt->wins_rgn);
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if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
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_DBG_PRINTF ("The dirty region is empty\n");
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return;
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}
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/* compositing the window znodes */
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next = ServerGetNextZNode (NULL, 0, NULL);
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/* save dirty region for compositing the lucent znodes above
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the current znode. */
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if (above) {
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CopyRegion (&tmp_rgn, &ctxt->dirty_rgn);
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}
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/* compositing the current window znode and the znodes below it */
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if (from <= 0)
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next = ServerGetNextZNode (NULL, 0, NULL);
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else
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next = from;
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while (next > 0) {
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composite_win_znode (ctxt, next);
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next = ServerGetNextZNode (NULL, next, NULL);
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}
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/* compositing the wallpaper */
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composite_wallpaper (ctxt);
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/* empty the dirty region to save the memory */
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EmptyClipRgn (&ctxt->dirty_rgn);
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/* composite the lucent znodes above the current znode. */
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if (above) {
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assert (from > 0);
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composite_lucent_win_znode_above (ctxt, &tmp_rgn, from);
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EmptyClipRgn (&tmp_rgn);
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}
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SyncUpdateDC (HDC_SCREEN_SYS);
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}
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@@ -423,7 +534,6 @@ static void on_dirty_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
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{
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const ZNODEHEADER* znode_hdr = NULL;
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CLIPRGN *rgn;
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BOOL rc;
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_DBG_PRINTF("called: %d\n", zidx);
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@@ -433,24 +543,28 @@ static void on_dirty_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
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/* generate the dirty region */
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znode_hdr = ServerGetWinZNodeHeader (NULL, zidx, (void**)&rgn, TRUE);
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rc = generate_dirty_region (ctxt, znode_hdr, rgn);
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if (znode_hdr == NULL) {
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_WRN_PRINTF ("failed to get znode header for zidx (%d) on layer (%s)\n",
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zidx, layer->name);
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return;
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}
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if (generate_dirty_region (ctxt, znode_hdr, rgn)) {
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if (znode_hdr->changes == 0) {
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/* It's the first exposure of the window. */
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_WRN_PRINTF ("It is the first exposure of the window (%d): %u\n",
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zidx, znode_hdr->dirty_age);
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}
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if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
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goto ret;
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}
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composite_on_dirty_region (ctxt, zidx);
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}
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ret:
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ServerReleaseWinZNodeHeader (NULL, zidx);
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if (!rc)
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return;
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/* It's time to play an animation for the first exposure of the window. */
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if (znode_hdr->changes == 0) {
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_DBG_PRINTF ("changes and dirty_age of this znode (%d): %u, %u\n",
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zidx, znode_hdr->changes, znode_hdr->dirty_age);
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}
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if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
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_DBG_PRINTF ("The dirty region is empty\n");
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return;
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}
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composite_on_dirty_region (ctxt);
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}
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static void on_dirty_wpp (CompositorCtxt* ctxt)
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@@ -458,26 +572,25 @@ static void on_dirty_wpp (CompositorCtxt* ctxt)
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const ZNODEHEADER* znode_hdr;
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znode_hdr = ServerGetWinZNodeHeader (NULL, 0, NULL, TRUE);
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if (znode_hdr == NULL) {
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_WRN_PRINTF ("failed to get znode header for wallpaper pattern\n");
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return;
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}
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if (generate_dirty_region (ctxt, znode_hdr, NULL)) {
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tile_dirty_region_for_wallpaper (ctxt);
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subtract_opaque_win_znodes_above (ctxt, 0);
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//subtract_opaque_ppp_znodes (ctxt);
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if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
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_DBG_PRINTF ("No need to composite wallpaper\n");
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goto ret_no_compos;
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goto ret;
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}
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}
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else {
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_DBG_PRINTF ("The dirty region is empty\n");
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goto ret_no_compos;
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composite_on_dirty_region (ctxt, 0);
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}
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composite_on_dirty_region (ctxt);
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ret_no_compos:
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if (znode_hdr)
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ServerReleaseWinZNodeHeader (NULL, 0);
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ret:
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ServerReleaseWinZNodeHeader (NULL, 0);
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}
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static void rebuild_wins_region (CompositorCtxt* ctxt)
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@@ -573,7 +686,6 @@ static void on_hiding_ppp (CompositorCtxt* ctxt, int zidx)
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if (znode_hdr) {
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assert (rgn);
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mg_slice_delete (CLIPRGN, rgn);
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ServerSetPopupMenuZNodePrivateData (zidx, NULL);
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}
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else {
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@@ -622,7 +734,7 @@ static void on_dirty_screen (CompositorCtxt* ctxt,
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composite_ppp_znodes (ctxt);
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}
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composite_on_dirty_region (ctxt);
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composite_on_dirty_region (ctxt, 0);
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}
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static void refresh (CompositorCtxt* ctxt)
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@@ -666,8 +778,8 @@ static void on_showing_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
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rgn->rcBound.right, rgn->rcBound.bottom);
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}
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else {
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_WRN_PRINTF ("failed to get znode header for window: %p (%d)\n",
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layer, zidx);
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_WRN_PRINTF ("failed to get znode header for zidx (%d) on layer (%s)\n",
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zidx, layer->name);
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}
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}
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@@ -688,8 +800,8 @@ static void on_hiding_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
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ServerSetWinZNodePrivateData (layer, zidx, NULL);
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}
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else {
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_WRN_PRINTF ("failed to get znode header for window: %p (%d)\n",
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layer, zidx);
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_WRN_PRINTF ("failed to get znode header for zidx (%d) on layer (%s)\n",
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zidx, layer->name);
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}
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}
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@@ -704,16 +816,22 @@ static void on_raised_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
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return;
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znode_hdr = ServerGetWinZNodeHeader (layer, zidx, (void**)&rgn, FALSE);
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if (znode_hdr == NULL || !(znode_hdr->flags & ZNIF_VISIBLE)) {
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_WRN_PRINTF ("failed to get znode header: %p (%d) or it is invisible\n",
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layer, zidx);
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if (znode_hdr == NULL) {
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_WRN_PRINTF ("failed to get znode header for zidx (%d) on layer (%s)\n",
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zidx, layer->name);
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return;
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}
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if (!(znode_hdr->flags & ZNIF_VISIBLE)) {
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_WRN_PRINTF ("the znode (%d) on layer (%s) is invisible\n",
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zidx, layer->name);
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return;
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}
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assert (rgn);
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CopyRegion (&ctxt->dirty_rgn, rgn);
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if (IntersectClipRect (&ctxt->dirty_rgn, &ctxt->rc_screen))
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composite_on_dirty_region (ctxt);
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composite_on_dirty_region (ctxt, zidx);
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}
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CompositorOps __mg_fallback_compositor = {
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