842cd7eb43
When creating a window with recordmydesktop running, the following may happen: create picture 0x1cd457e0, with drawable 0x1327d1f0 (SetWindowPixmap is called) destroy picture 0x1cd457e0, with drawable 0x1cd65820 Obtaining format for pixmap 0x1327d1f0 and picture 0x1cd457e0 ==7989== Invalid read of size 4 ==7989== at 0x8CAA0CA: glamor_get_tex_format_type_from_pixmap (glamor_utils.h:1252) ==7989== by 0x8CAD1B7: glamor_download_sub_pixmap_to_cpu (glamor_pixmap.c:1074) ==7989== by 0x8CA8BB7: _glamor_get_image (glamor_getimage.c:66) ==7989== by 0x8CA8D2F: glamor_get_image (glamor_getimage.c:92) ==7989== by 0x29AEF2: miSpriteGetImage (misprite.c:413) ==7989== by 0x1E7674: compGetImage (compinit.c:148) ==7989== by 0x1F5E5B: ProcShmGetImage (shm.c:684) ==7989== by 0x1F686F: ProcShmDispatch (shm.c:1121) ==7989== by 0x15D00D: Dispatch (dispatch.c:432) ==7989== by 0x14C569: main (main.c:298) ==7989== Address 0x1cd457f0 is 16 bytes inside a block of size 120 free'd ==7989== at 0x4C2B60C: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==7989== by 0x228897: FreePicture (picture.c:1477) ==7989== by 0x228B23: PictureDestroyWindow (picture.c:73) ==7989== by 0x234C19: damageDestroyWindow (damage.c:1646) ==7989== by 0x1E92C0: compDestroyWindow (compwindow.c:590) ==7989== by 0x20FF85: DbeDestroyWindow (dbe.c:1389) ==7989== by 0x185D46: FreeWindowResources (window.c:907) ==7989== by 0x1889A7: DeleteWindow (window.c:975) ==7989== by 0x17EBF1: doFreeResource (resource.c:873) ==7989== by 0x17FC1B: FreeClientResources (resource.c:1139) ==7989== by 0x15C4DE: CloseDownClient (dispatch.c:3402) ==7989== by 0x2AB843: CheckConnections (connection.c:1008) ==7989== (II) fail to get matched format for dfdfdfdf The fix is to update the picture pointer when the window pixmap is changed, so it moves the picture around with the window rather than the pixmap. This makes FreePicture work correctly. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71088 Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
555 lines
16 KiB
C
555 lines
16 KiB
C
/*
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* Copyright © 2008 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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* Zhigang Gong <zhigang.gong@linux.intel.com>
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*
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*/
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/** @file glamor.c
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* This file covers the initialization and teardown of glamor, and has various
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* functions not responsible for performing rendering.
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*/
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#include <stdlib.h>
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#include "glamor_priv.h"
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static DevPrivateKeyRec glamor_screen_private_key_index;
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DevPrivateKey glamor_screen_private_key = &glamor_screen_private_key_index;
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static DevPrivateKeyRec glamor_pixmap_private_key_index;
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DevPrivateKey glamor_pixmap_private_key = &glamor_pixmap_private_key_index;
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/**
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* glamor_get_drawable_pixmap() returns a backing pixmap for a given drawable.
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*
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* @param drawable the drawable being requested.
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*
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* This function returns the backing pixmap for a drawable, whether it is a
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* redirected window, unredirected window, or already a pixmap. Note that
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* coordinate translation is needed when drawing to the backing pixmap of a
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* redirected window, and the translation coordinates are provided by calling
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* exaGetOffscreenPixmap() on the drawable.
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*/
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PixmapPtr
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glamor_get_drawable_pixmap(DrawablePtr drawable)
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{
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if (drawable->type == DRAWABLE_WINDOW)
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return drawable->
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pScreen->GetWindowPixmap((WindowPtr) drawable);
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else
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return (PixmapPtr) drawable;
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}
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_X_EXPORT void
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glamor_set_pixmap_type(PixmapPtr pixmap, glamor_pixmap_type_t type)
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{
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glamor_pixmap_private *pixmap_priv;
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glamor_screen_private *glamor_priv =
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glamor_get_screen_private(pixmap->drawable.pScreen);
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pixmap_priv = dixLookupPrivate(&pixmap->devPrivates,
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glamor_pixmap_private_key);
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if (pixmap_priv == NULL) {
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pixmap_priv = calloc(sizeof(*pixmap_priv), 1);
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glamor_set_pixmap_private(pixmap, pixmap_priv);
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pixmap_priv->base.pixmap = pixmap;
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pixmap_priv->base.glamor_priv = glamor_priv;
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}
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pixmap_priv->type = type;
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}
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_X_EXPORT void
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glamor_set_pixmap_texture(PixmapPtr pixmap, unsigned int tex)
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{
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ScreenPtr screen = pixmap->drawable.pScreen;
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glamor_pixmap_private *pixmap_priv;
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glamor_screen_private *glamor_priv;
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glamor_pixmap_fbo *fbo;
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GLenum format;
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glamor_priv = glamor_get_screen_private(screen);
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pixmap_priv = glamor_get_pixmap_private(pixmap);
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if (pixmap_priv->base.fbo) {
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fbo = glamor_pixmap_detach_fbo(pixmap_priv);
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glamor_destroy_fbo(fbo);
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}
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gl_iformat_for_depth(pixmap->drawable.depth, &format);
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fbo = glamor_create_fbo_from_tex(glamor_priv, pixmap->drawable.width,
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pixmap->drawable.height,
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format, tex, 0);
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if (fbo == NULL) {
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ErrorF("XXX fail to create fbo.\n");
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return;
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}
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glamor_pixmap_attach_fbo(pixmap, fbo);
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}
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void
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glamor_set_screen_pixmap(PixmapPtr screen_pixmap, PixmapPtr *back_pixmap)
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{
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glamor_pixmap_private *pixmap_priv;
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glamor_screen_private *glamor_priv;
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glamor_priv = glamor_get_screen_private(screen_pixmap->drawable.pScreen);
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pixmap_priv = glamor_get_pixmap_private(screen_pixmap);
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glamor_priv->screen_fbo = pixmap_priv->base.fbo->fb;
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pixmap_priv->base.fbo->width = screen_pixmap->drawable.width;
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pixmap_priv->base.fbo->height = screen_pixmap->drawable.height;
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glamor_priv->back_pixmap = back_pixmap;
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}
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PixmapPtr
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glamor_create_pixmap(ScreenPtr screen, int w, int h, int depth,
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unsigned int usage)
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{
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PixmapPtr pixmap;
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glamor_pixmap_type_t type = GLAMOR_TEXTURE_ONLY;
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glamor_pixmap_private *pixmap_priv;
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glamor_screen_private *glamor_priv =
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glamor_get_screen_private(screen);
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glamor_pixmap_fbo *fbo;
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int pitch;
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GLenum format;
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if (w > 32767 || h > 32767)
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return NullPixmap;
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if ((usage == GLAMOR_CREATE_PIXMAP_CPU
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|| (usage == CREATE_PIXMAP_USAGE_GLYPH_PICTURE && w <= 64 && h <= 64)
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|| (w == 0 && h == 0)
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|| !glamor_check_pixmap_fbo_depth(depth))
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|| (!GLAMOR_TEXTURED_LARGE_PIXMAP &&
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!glamor_check_fbo_size(glamor_priv, w, h)))
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return fbCreatePixmap(screen, w, h, depth, usage);
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else
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pixmap = fbCreatePixmap(screen, 0, 0, depth, usage);
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pixmap_priv = calloc(1, sizeof(*pixmap_priv));
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if (!pixmap_priv) {
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fbDestroyPixmap(pixmap);
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return fbCreatePixmap(screen, w, h, depth, usage);
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}
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glamor_set_pixmap_private(pixmap, pixmap_priv);
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if (usage == GLAMOR_CREATE_PIXMAP_MAP)
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type = GLAMOR_MEMORY_MAP;
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pixmap_priv->base.pixmap = pixmap;
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pixmap_priv->base.glamor_priv = glamor_priv;
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gl_iformat_for_depth(depth, &format);
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pitch = (((w * pixmap->drawable.bitsPerPixel + 7) / 8) + 3) & ~3;
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screen->ModifyPixmapHeader(pixmap, w, h, 0, 0, pitch, NULL);
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if (type == GLAMOR_MEMORY_MAP || glamor_check_fbo_size(glamor_priv, w, h)) {
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pixmap_priv->type = type;
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fbo = glamor_create_fbo(glamor_priv, w, h, format, usage);
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}
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else {
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DEBUGF("Create LARGE pixmap %p width %d height %d\n", pixmap, w, h);
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pixmap_priv->type = GLAMOR_TEXTURE_LARGE;
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fbo = glamor_create_fbo_array(glamor_priv, w, h, format, usage,
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glamor_priv->max_fbo_size,
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glamor_priv->max_fbo_size,
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pixmap_priv);
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}
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if (fbo == NULL) {
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fbDestroyPixmap(pixmap);
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free(pixmap_priv);
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return fbCreatePixmap(screen, w, h, depth, usage);
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}
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glamor_pixmap_attach_fbo(pixmap, fbo);
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return pixmap;
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}
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void
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glamor_destroy_textured_pixmap(PixmapPtr pixmap)
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{
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if (pixmap->refcnt == 1) {
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glamor_pixmap_private *pixmap_priv;
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pixmap_priv = glamor_get_pixmap_private(pixmap);
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if (pixmap_priv != NULL)
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glamor_pixmap_destroy_fbo(pixmap_priv);
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}
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}
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Bool
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glamor_destroy_pixmap(PixmapPtr pixmap)
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{
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glamor_destroy_textured_pixmap(pixmap);
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return fbDestroyPixmap(pixmap);
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}
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void
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glamor_block_handler(ScreenPtr screen)
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{
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glamor_screen_private *glamor_priv =
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glamor_get_screen_private(screen);
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glamor_gl_dispatch *dispatch;
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dispatch = glamor_get_dispatch(glamor_priv);
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glamor_priv->tick++;
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dispatch->glFlush();
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glamor_fbo_expire(glamor_priv);
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glamor_put_dispatch(glamor_priv);
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if (glamor_priv->state == RENDER_STATE
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&& glamor_priv->render_idle_cnt++ > RENDER_IDEL_MAX) {
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glamor_priv->state = IDLE_STATE;
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glamor_priv->render_idle_cnt = 0;
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}
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}
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static void
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_glamor_block_handler(void *data, OSTimePtr timeout,
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void *last_select_mask)
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{
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glamor_screen_private *glamor_priv = data;
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glamor_gl_dispatch *dispatch = glamor_get_dispatch(glamor_priv);
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dispatch->glFlush();
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glamor_put_dispatch(glamor_priv);
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}
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static void
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_glamor_wakeup_handler(void *data, int result, void *last_select_mask)
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{
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}
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static void
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glamor_set_debug_level(int *debug_level)
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{
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char *debug_level_string;
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debug_level_string = getenv("GLAMOR_DEBUG");
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if (debug_level_string
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&& sscanf(debug_level_string, "%d", debug_level) == 1)
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return;
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*debug_level = 0;
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}
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int glamor_debug_level;
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/** Set up glamor for an already-configured GL context. */
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Bool
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glamor_init(ScreenPtr screen, unsigned int flags)
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{
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glamor_screen_private *glamor_priv;
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int gl_version;
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#ifdef RENDER
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PictureScreenPtr ps = GetPictureScreenIfSet(screen);
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#endif
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if (flags & ~GLAMOR_VALID_FLAGS) {
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ErrorF("glamor_init: Invalid flags %x\n", flags);
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return FALSE;
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}
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glamor_priv = calloc(1, sizeof(*glamor_priv));
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if (glamor_priv == NULL)
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return FALSE;
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if (flags & GLAMOR_INVERTED_Y_AXIS) {
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glamor_priv->yInverted = 1;
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} else
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glamor_priv->yInverted = 0;
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if (!dixRegisterPrivateKey
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(glamor_screen_private_key, PRIVATE_SCREEN, 0)) {
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LogMessage(X_WARNING,
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"glamor%d: Failed to allocate screen private\n",
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screen->myNum);
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goto fail;
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}
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glamor_set_screen_private(screen, glamor_priv);
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if (!dixRegisterPrivateKey
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(glamor_pixmap_private_key, PRIVATE_PIXMAP, 0)) {
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LogMessage(X_WARNING,
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"glamor%d: Failed to allocate pixmap private\n",
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screen->myNum);
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goto fail;;
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}
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gl_version = glamor_gl_get_version();
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#ifndef GLAMOR_GLES2
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if (gl_version < GLAMOR_GL_VERSION_ENCODE(1, 3)) {
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ErrorF("Require OpenGL version 1.3 or latter.\n");
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goto fail;
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}
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#else
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if (gl_version < GLAMOR_GL_VERSION_ENCODE(2, 0)) {
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ErrorF("Require Open GLES2.0 or latter.\n");
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goto fail;
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}
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#endif
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glamor_gl_dispatch_init(screen, &glamor_priv->_dispatch, gl_version);
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#ifdef GLAMOR_GLES2
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if (!glamor_gl_has_extension("GL_EXT_texture_format_BGRA8888")) {
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ErrorF("GL_EXT_texture_format_BGRA8888 required\n");
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goto fail;
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}
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#endif
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glamor_priv->has_pack_invert =
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glamor_gl_has_extension("GL_MESA_pack_invert");
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glamor_priv->has_fbo_blit =
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glamor_gl_has_extension("GL_EXT_framebuffer_blit");
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glamor_priv->_dispatch.glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE,
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&glamor_priv->max_fbo_size);
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#ifdef MAX_FBO_SIZE
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glamor_priv->max_fbo_size = MAX_FBO_SIZE;
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#endif
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glamor_set_debug_level(&glamor_debug_level);
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#ifdef GLAMOR_GLES2
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glamor_priv->gl_flavor = GLAMOR_GL_ES2;
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#else
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glamor_priv->gl_flavor = GLAMOR_GL_DESKTOP;
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#endif
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/* If we are using egl screen, call egl screen init to
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* register correct close screen function. */
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if (flags & GLAMOR_USE_EGL_SCREEN)
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glamor_egl_screen_init(screen);
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glamor_priv->saved_procs.close_screen = screen->CloseScreen;
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screen->CloseScreen = glamor_close_screen;
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if (flags & GLAMOR_USE_SCREEN) {
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if (!RegisterBlockAndWakeupHandlers(_glamor_block_handler,
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_glamor_wakeup_handler,
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glamor_priv)) {
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goto fail;
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}
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glamor_priv->saved_procs.create_gc = screen->CreateGC;
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screen->CreateGC = glamor_create_gc;
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glamor_priv->saved_procs.create_pixmap = screen->CreatePixmap;
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screen->CreatePixmap = glamor_create_pixmap;
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glamor_priv->saved_procs.destroy_pixmap = screen->DestroyPixmap;
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screen->DestroyPixmap = glamor_destroy_pixmap;
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glamor_priv->saved_procs.get_spans = screen->GetSpans;
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screen->GetSpans = glamor_get_spans;
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glamor_priv->saved_procs.get_image = screen->GetImage;
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screen->GetImage = glamor_get_image;
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glamor_priv->saved_procs.change_window_attributes =
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screen->ChangeWindowAttributes;
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screen->ChangeWindowAttributes =
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glamor_change_window_attributes;
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glamor_priv->saved_procs.copy_window = screen->CopyWindow;
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screen->CopyWindow = glamor_copy_window;
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glamor_priv->saved_procs.bitmap_to_region =
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screen->BitmapToRegion;
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screen->BitmapToRegion = glamor_bitmap_to_region;
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}
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#ifdef RENDER
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if (flags & GLAMOR_USE_PICTURE_SCREEN) {
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glamor_priv->saved_procs.composite = ps->Composite;
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ps->Composite = glamor_composite;
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glamor_priv->saved_procs.trapezoids = ps->Trapezoids;
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ps->Trapezoids = glamor_trapezoids;
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glamor_priv->saved_procs.triangles = ps->Triangles;
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ps->Triangles = glamor_triangles;
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glamor_priv->saved_procs.addtraps = ps->AddTraps;
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ps->AddTraps = glamor_add_traps;
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}
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glamor_priv->saved_procs.composite_rects = ps->CompositeRects;
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ps->CompositeRects = glamor_composite_rectangles;
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glamor_priv->saved_procs.glyphs = ps->Glyphs;
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ps->Glyphs = glamor_glyphs;
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glamor_priv->saved_procs.unrealize_glyph = ps->UnrealizeGlyph;
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ps->UnrealizeGlyph = glamor_glyph_unrealize;
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glamor_priv->saved_procs.create_picture = ps->CreatePicture;
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ps->CreatePicture = glamor_create_picture;
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glamor_priv->saved_procs.set_window_pixmap = screen->SetWindowPixmap;
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screen->SetWindowPixmap = glamor_set_window_pixmap;
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glamor_priv->saved_procs.destroy_picture = ps->DestroyPicture;
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ps->DestroyPicture = glamor_destroy_picture;
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glamor_init_composite_shaders(screen);
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#endif
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glamor_init_pixmap_fbo(screen);
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glamor_init_solid_shader(screen);
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glamor_init_tile_shader(screen);
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#ifdef GLAMOR_TRAPEZOID_SHADER
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glamor_init_trapezoid_shader(screen);
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#endif
|
|
glamor_init_putimage_shaders(screen);
|
|
glamor_init_finish_access_shaders(screen);
|
|
#ifdef GLAMOR_GRADIENT_SHADER
|
|
glamor_init_gradient_shader(screen);
|
|
#endif
|
|
#ifdef GLAMOR_XV
|
|
glamor_init_xv_shader(screen);
|
|
#endif
|
|
glamor_pixmap_init(screen);
|
|
|
|
glamor_priv->flags = flags;
|
|
glamor_priv->screen = screen;
|
|
|
|
return TRUE;
|
|
|
|
fail:
|
|
free(glamor_priv);
|
|
glamor_set_screen_private(screen, NULL);
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
glamor_release_screen_priv(ScreenPtr screen)
|
|
{
|
|
glamor_screen_private *glamor_priv;
|
|
|
|
glamor_priv = glamor_get_screen_private(screen);
|
|
#ifdef GLAMOR_XV
|
|
glamor_fini_xv_shader(screen);
|
|
#endif
|
|
#ifdef RENDER
|
|
glamor_fini_composite_shaders(screen);
|
|
#endif
|
|
glamor_fini_pixmap_fbo(screen);
|
|
glamor_fini_solid_shader(screen);
|
|
glamor_fini_tile_shader(screen);
|
|
#ifdef GLAMOR_TRAPEZOID_SHADER
|
|
glamor_fini_trapezoid_shader(screen);
|
|
#endif
|
|
glamor_fini_putimage_shaders(screen);
|
|
glamor_fini_finish_access_shaders(screen);
|
|
#ifdef GLAMOR_GRADIENT_SHADER
|
|
glamor_fini_gradient_shader(screen);
|
|
#endif
|
|
glamor_pixmap_fini(screen);
|
|
free(glamor_priv);
|
|
|
|
glamor_set_screen_private(screen, NULL);
|
|
}
|
|
|
|
_X_EXPORT void
|
|
glamor_set_pixmap_private(PixmapPtr pixmap, glamor_pixmap_private *priv)
|
|
{
|
|
glamor_pixmap_private *old_priv;
|
|
glamor_pixmap_fbo *fbo;
|
|
|
|
old_priv = dixGetPrivate(&pixmap->devPrivates, glamor_pixmap_private_key);
|
|
|
|
if (priv) {
|
|
assert(old_priv == NULL);
|
|
} else {
|
|
if (old_priv == NULL)
|
|
return;
|
|
fbo = glamor_pixmap_detach_fbo(old_priv);
|
|
glamor_purge_fbo(fbo);
|
|
free(old_priv);
|
|
}
|
|
|
|
dixSetPrivate(&pixmap->devPrivates,
|
|
glamor_pixmap_private_key,
|
|
priv);
|
|
}
|
|
|
|
Bool
|
|
glamor_close_screen(CLOSE_SCREEN_ARGS_DECL)
|
|
{
|
|
glamor_screen_private *glamor_priv;
|
|
PixmapPtr screen_pixmap;
|
|
int flags;
|
|
#ifdef RENDER
|
|
PictureScreenPtr ps = GetPictureScreenIfSet(screen);
|
|
#endif
|
|
glamor_priv = glamor_get_screen_private(screen);
|
|
flags = glamor_priv->flags;
|
|
glamor_glyphs_fini(screen);
|
|
screen->CloseScreen = glamor_priv->saved_procs.close_screen;
|
|
if (flags & GLAMOR_USE_SCREEN) {
|
|
|
|
screen->CreateGC = glamor_priv->saved_procs.create_gc;
|
|
screen->CreatePixmap = glamor_priv->saved_procs.create_pixmap;
|
|
screen->DestroyPixmap = glamor_priv->saved_procs.destroy_pixmap;
|
|
screen->GetSpans = glamor_priv->saved_procs.get_spans;
|
|
screen->ChangeWindowAttributes =
|
|
glamor_priv->saved_procs.change_window_attributes;
|
|
screen->CopyWindow = glamor_priv->saved_procs.copy_window;
|
|
screen->BitmapToRegion = glamor_priv->saved_procs.bitmap_to_region;
|
|
}
|
|
#ifdef RENDER
|
|
if (ps && (flags & GLAMOR_USE_PICTURE_SCREEN)) {
|
|
|
|
ps->Composite = glamor_priv->saved_procs.composite;
|
|
ps->Trapezoids = glamor_priv->saved_procs.trapezoids;
|
|
ps->Triangles = glamor_priv->saved_procs.triangles;
|
|
ps->CreatePicture = glamor_priv->saved_procs.create_picture;
|
|
}
|
|
ps->CompositeRects = glamor_priv->saved_procs.composite_rects;
|
|
ps->Glyphs = glamor_priv->saved_procs.glyphs;
|
|
ps->UnrealizeGlyph = glamor_priv->saved_procs.unrealize_glyph;
|
|
screen->SetWindowPixmap = glamor_priv->saved_procs.set_window_pixmap;
|
|
#endif
|
|
screen_pixmap = screen->GetScreenPixmap(screen);
|
|
glamor_set_pixmap_private(screen_pixmap, NULL);
|
|
if (glamor_priv->back_pixmap && *glamor_priv->back_pixmap)
|
|
glamor_set_pixmap_private(*glamor_priv->back_pixmap, NULL);
|
|
|
|
glamor_release_screen_priv(screen);
|
|
|
|
return screen->CloseScreen(CLOSE_SCREEN_ARGS);
|
|
}
|
|
|
|
|
|
void
|
|
glamor_fini(ScreenPtr screen)
|
|
{
|
|
/* Do nothing currently. */
|
|
}
|