diff options
Diffstat (limited to 'xorg-server/glamor/glamor_glyphs.c')
| -rw-r--r-- | xorg-server/glamor/glamor_glyphs.c | 1769 |
1 files changed, 0 insertions, 1769 deletions
diff --git a/xorg-server/glamor/glamor_glyphs.c b/xorg-server/glamor/glamor_glyphs.c deleted file mode 100644 index 2cf0c7d16..000000000 --- a/xorg-server/glamor/glamor_glyphs.c +++ /dev/null @@ -1,1769 +0,0 @@ -/* - * Copyright © 2008 Red Hat, Inc. - * Partly based on code Copyright © 2000 SuSE, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Red Hat not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. Red Hat makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * Red Hat DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL Red Hat - * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of SuSE not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. SuSE makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE - * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Owen Taylor <otaylor@fishsoup.net> - * Based on code by: Keith Packard - */ - -#include <stdlib.h> - -#include "glamor_priv.h" - -#include <mipict.h> - -#if DEBUG_GLYPH_CACHE -#define DBG_GLYPH_CACHE(a) ErrorF a -#else -#define DBG_GLYPH_CACHE(a) -#endif - -/* Width of the pixmaps we use for the caches; this should be less than - * max texture size of the driver; this may need to actually come from - * the driver. - */ - -/* Maximum number of glyphs we buffer on the stack before flushing - * rendering to the mask or destination surface. - */ -#define GLYPH_BUFFER_SIZE 1024 - -typedef struct { - PicturePtr source; - glamor_composite_rect_t rects[GLYPH_BUFFER_SIZE + 4]; - int count; -} glamor_glyph_buffer_t; - -struct glamor_glyph { - glamor_glyph_cache_t *cache; - uint16_t x, y; - uint16_t size, pos; - unsigned long long left_x1_map, left_x2_map; - unsigned long long right_x1_map, right_x2_map; /* Use to check real intersect or not. */ - Bool has_edge_map; - Bool cached; -}; - -typedef enum { - GLAMOR_GLYPH_SUCCESS, /* Glyph added to render buffer */ - GLAMOR_GLYPH_FAIL, /* out of memory, etc */ - GLAMOR_GLYPH_NEED_FLUSH, /* would evict a glyph already in the buffer */ -} glamor_glyph_cache_result_t; - -#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0) -static DevPrivateKeyRec glamor_glyph_key; - -static inline struct glamor_glyph * -glamor_glyph_get_private(ScreenPtr screen, GlyphPtr glyph) -{ - struct glamor_glyph *privates = (struct glamor_glyph*)glyph->devPrivates; - - return &privates[screen->myNum]; -} - -/* - * Mask cache is located at the corresponding cache picture's last row. - * and is deadicated for the mask picture when do the glyphs_via_mask. - * - * As we split the glyphs list according to its overlapped or non-overlapped, - * we can reduce the length of glyphs to do the glyphs_via_mask to 2 or 3 - * glyphs one time for most cases. Thus it give us a case to allocate a - * small portion of the corresponding cache directly as the mask picture. - * Then we can rendering the glyphs to this mask picture, and latter we - * can accumulate the second steps, composite the mask to the dest with - * the other non-overlapped glyphs's rendering process. - * Another major benefit is we now only need to clear a relatively small mask - * region then before. It also make us implement a bunch mask picture clearing - * algorithm to avoid too frequently small region clearing. - * - * If there is no any overlapping, this method will not get performance gain. - * If there is some overlapping, then this algorithm can get about 15% performance - * gain. - */ - -static void -clear_mask_cache_bitmap(glamor_glyph_mask_cache_t *maskcache, - unsigned int clear_mask_bits) -{ - unsigned int i = 0; - BoxRec box[MASK_CACHE_WIDTH]; - int box_cnt = 0; - - assert((clear_mask_bits & ~MASK_CACHE_MASK) == 0); - for (i = 0; i < MASK_CACHE_WIDTH; i++) { - if (clear_mask_bits & (1 << i)) { - box[box_cnt].x1 = maskcache->mcache[i].x; - box[box_cnt].x2 = maskcache->mcache[i].x + MASK_CACHE_MAX_SIZE; - box[box_cnt].y1 = maskcache->mcache[i].y; - box[box_cnt].y2 = maskcache->mcache[i].y + MASK_CACHE_MAX_SIZE; - box_cnt++; - } - } - glamor_solid_boxes(maskcache->pixmap, box, box_cnt, 0); - maskcache->cleared_bitmap |= clear_mask_bits; -} - -static void -clear_mask_cache(glamor_glyph_mask_cache_t *maskcache) -{ - int x = 0; - int cnt = MASK_CACHE_WIDTH; - unsigned int i = 0; - struct glamor_glyph_mask_cache_entry *mce; - - glamor_solid(maskcache->pixmap, 0, CACHE_PICTURE_SIZE, CACHE_PICTURE_SIZE, - MASK_CACHE_MAX_SIZE, 0); - mce = &maskcache->mcache[0]; - while (cnt--) { - mce->width = 0; - mce->height = 0; - mce->x = x; - mce->y = CACHE_PICTURE_SIZE; - mce->idx = i++; - x += MASK_CACHE_MAX_SIZE; - mce++; - } - maskcache->free_bitmap = MASK_CACHE_MASK; - maskcache->cleared_bitmap = MASK_CACHE_MASK; -} - -static int -find_continuous_bits(unsigned int bits, int bits_cnt, unsigned int *pbits_mask) -{ - int idx = 0; - unsigned int bits_mask; - - bits_mask = ((1LL << bits_cnt) - 1); - - if (_X_UNLIKELY(bits_cnt > 56)) { - while (bits) { - if ((bits & bits_mask) == bits_mask) { - *pbits_mask = bits_mask << idx; - return idx; - } - bits >>= 1; - idx++; - } - } - else { - idx = __fls(bits); - while (bits) { - unsigned int temp_bits; - - temp_bits = bits_mask << (idx - bits_cnt + 1); - if ((bits & temp_bits) == temp_bits) { - *pbits_mask = temp_bits; - return (idx - bits_cnt + 1); - } - /* Find first zero. And clear the tested bit. */ - bits &= ~(1LL << idx); - idx = __fls(~bits); - bits &= ~((1LL << idx) - 1); - idx--; - } - } - return -1; -} - -static struct glamor_glyph_mask_cache_entry * -get_mask_cache(glamor_glyph_mask_cache_t *maskcache, int blocks) -{ - int free_cleared_bit, idx = -1; - int retry_cnt = 0; - unsigned int bits_mask = 0; - - if (maskcache->free_bitmap == 0) - return NULL; - retry: - free_cleared_bit = maskcache->free_bitmap & maskcache->cleared_bitmap; - if (free_cleared_bit && blocks == 1) { - idx = __fls(free_cleared_bit); - bits_mask = 1 << idx; - } - else if (free_cleared_bit && blocks > 1) { - idx = find_continuous_bits(free_cleared_bit, blocks, &bits_mask); - } - - if (idx < 0) { - clear_mask_cache_bitmap(maskcache, maskcache->free_bitmap); - if (retry_cnt++ > 2) - return NULL; - goto retry; - } - - maskcache->cleared_bitmap &= ~bits_mask; - maskcache->free_bitmap &= ~bits_mask; - DEBUGF("get idx %d free %x clear %x \n", - idx, maskcache->free_bitmap, maskcache->cleared_bitmap); - return &maskcache->mcache[idx]; -} - -static void -put_mask_cache_bitmap(glamor_glyph_mask_cache_t *maskcache, - unsigned int bitmap) -{ - maskcache->free_bitmap |= bitmap; - DEBUGF("put bitmap %x free %x clear %x \n", - bitmap, maskcache->free_bitmap, maskcache->cleared_bitmap); -} - -static void -glamor_unrealize_glyph_caches(ScreenPtr pScreen) -{ - glamor_screen_private *glamor = glamor_get_screen_private(pScreen); - int i; - - if (!glamor->glyph_caches_realized) - return; - - for (i = 0; i < GLAMOR_NUM_GLYPH_CACHE_FORMATS; i++) { - glamor_glyph_cache_t *cache = &glamor->glyphCaches[i]; - - if (cache->picture) - FreePicture(cache->picture, 0); - - if (cache->glyphs) - free(cache->glyphs); - - if (glamor->mask_cache[i]) - free(glamor->mask_cache[i]); - } - glamor->glyph_caches_realized = FALSE; -} - -void -glamor_glyphs_fini(ScreenPtr pScreen) -{ - glamor_unrealize_glyph_caches(pScreen); -} - -/* All caches for a single format share a single pixmap for glyph storage, - * allowing mixing glyphs of different sizes without paying a penalty - * for switching between source pixmaps. (Note that for a size of font - * right at the border between two sizes, we might be switching for almost - * every glyph.) - * - * This function allocates the storage pixmap, and then fills in the - * rest of the allocated structures for all caches with the given format. - */ - -Bool -glamor_realize_glyph_caches(ScreenPtr pScreen) -{ - glamor_screen_private *glamor = glamor_get_screen_private(pScreen); - - unsigned int formats[] = { - PIXMAN_a8, - PIXMAN_a8r8g8b8, - }; - int i; - - if (glamor->glyph_caches_realized) - return TRUE; - - memset(glamor->glyphCaches, 0, sizeof(glamor->glyphCaches)); - - for (i = 0; i < sizeof(formats) / sizeof(formats[0]); i++) { - glamor_glyph_cache_t *cache = &glamor->glyphCaches[i]; - PixmapPtr pixmap; - PicturePtr picture; - XID component_alpha; - int depth = PIXMAN_FORMAT_DEPTH(formats[i]); - int error; - PictFormatPtr pPictFormat = - PictureMatchFormat(pScreen, depth, formats[i]); - if (!pPictFormat) - goto bail; - - /* Now allocate the pixmap and picture */ - pixmap = pScreen->CreatePixmap(pScreen, - CACHE_PICTURE_SIZE, - CACHE_PICTURE_SIZE + MASK_CACHE_MAX_SIZE, - depth, GLAMOR_CREATE_NO_LARGE); - if (!pixmap) - goto bail; - - component_alpha = NeedsComponent(pPictFormat->format); - picture = CreatePicture(0, &pixmap->drawable, pPictFormat, - CPComponentAlpha, &component_alpha, - serverClient, &error); - - pScreen->DestroyPixmap(pixmap); - if (!picture) - goto bail; - - ValidatePicture(picture); - - cache->picture = picture; - cache->glyphs = calloc(sizeof(GlyphPtr), GLYPH_CACHE_SIZE); - if (!cache->glyphs) - goto bail; - - cache->evict = rand() % GLYPH_CACHE_SIZE; - glamor->mask_cache[i] = calloc(1, sizeof(*glamor->mask_cache[i])); - glamor->mask_cache[i]->pixmap = pixmap; - clear_mask_cache(glamor->mask_cache[i]); - } - assert(i == GLAMOR_NUM_GLYPH_CACHE_FORMATS); - - glamor->glyph_caches_realized = TRUE; - return TRUE; - - bail: - glamor_unrealize_glyph_caches(pScreen); - return FALSE; -} - -/** - * Called by glamor_create_screen_resources() to set up the glyph cache. - * - * This was previously required to be called by the drivers, but not - * as of the xserver 1.16 ABI. - */ -Bool -glamor_glyphs_init(ScreenPtr pScreen) -{ - if (!dixRegisterPrivateKey(&glamor_glyph_key, - PRIVATE_GLYPH, - screenInfo.numScreens * sizeof(struct glamor_glyph))) - return FALSE; - - return TRUE; -} - -/* The most efficient thing to way to upload the glyph to the screen - * is to use CopyArea; glamor pixmaps are always offscreen. - */ -static void -glamor_glyph_cache_upload_glyph(ScreenPtr screen, - glamor_glyph_cache_t *cache, - GlyphPtr glyph, int x, int y) -{ - PicturePtr pGlyphPicture = GlyphPicture(glyph)[screen->myNum]; - PixmapPtr pGlyphPixmap = (PixmapPtr) pGlyphPicture->pDrawable; - PixmapPtr pCachePixmap = (PixmapPtr) cache->picture->pDrawable; - PixmapPtr scratch; - BoxRec box; - GCPtr gc; - - gc = GetScratchGC(pCachePixmap->drawable.depth, screen); - if (!gc) - return; - - ValidateGC(&pCachePixmap->drawable, gc); - - scratch = pGlyphPixmap; - if (pGlyphPixmap->drawable.depth != pCachePixmap->drawable.depth) { - - scratch = glamor_create_pixmap(screen, - glyph->info.width, - glyph->info.height, - pCachePixmap->drawable.depth, 0); - if (scratch) { - PicturePtr picture; - int error; - - picture = - CreatePicture(0, - &scratch->drawable, - PictureMatchFormat - (screen, - pCachePixmap->drawable.depth, - cache->picture->format), - 0, NULL, serverClient, &error); - if (picture) { - ValidatePicture(picture); - glamor_composite(PictOpSrc, - pGlyphPicture, - NULL, picture, - 0, 0, 0, 0, 0, - 0, glyph->info.width, glyph->info.height); - FreePicture(picture, 0); - } - } - else { - scratch = pGlyphPixmap; - } - } - - box.x1 = x; - box.y1 = y; - box.x2 = x + glyph->info.width; - box.y2 = y + glyph->info.height; - glamor_copy(&scratch->drawable, - &pCachePixmap->drawable, NULL, - &box, 1, -x, -y, FALSE, FALSE, 0, NULL); - if (scratch != pGlyphPixmap) - screen->DestroyPixmap(scratch); - - FreeScratchGC(gc); -} - -void -glamor_glyph_unrealize(ScreenPtr screen, GlyphPtr glyph) -{ - struct glamor_glyph *priv; - - /* Use Lookup in case we have not attached to this glyph. */ - priv = glamor_glyph_get_private(screen, glyph); - - if (priv->cached) - priv->cache->glyphs[priv->pos] = NULL; -} - -/* Cut and paste from render/glyph.c - probably should export it instead */ -static void -glamor_glyph_extents(int nlist, - GlyphListPtr list, GlyphPtr *glyphs, BoxPtr extents) -{ - int x1, x2, y1, y2; - int x, y, n; - - x1 = y1 = MAXSHORT; - x2 = y2 = MINSHORT; - x = y = 0; - while (nlist--) { - x += list->xOff; - y += list->yOff; - n = list->len; - list++; - while (n--) { - GlyphPtr glyph = *glyphs++; - int v; - - v = x - glyph->info.x; - if (v < x1) - x1 = v; - v += glyph->info.width; - if (v > x2) - x2 = v; - - v = y - glyph->info.y; - if (v < y1) - y1 = v; - v += glyph->info.height; - if (v > y2) - y2 = v; - - x += glyph->info.xOff; - y += glyph->info.yOff; - } - } - - extents->x1 = x1 < MINSHORT ? MINSHORT : x1; - extents->x2 = x2 > MAXSHORT ? MAXSHORT : x2; - extents->y1 = y1 < MINSHORT ? MINSHORT : y1; - extents->y2 = y2 > MAXSHORT ? MAXSHORT : y2; -} - -static void -glamor_glyph_priv_get_edge_map(GlyphPtr glyph, struct glamor_glyph *priv, - PicturePtr glyph_picture) -{ - PixmapPtr glyph_pixmap = (PixmapPtr) glyph_picture->pDrawable; - int j; - unsigned long long left_x1_map = 0, left_x2_map = 0; - unsigned long long right_x1_map = 0, right_x2_map = 0; - int bitsPerPixel; - int stride; - void *bits; - int width; - unsigned int left_x1_data = 0, left_x2_data = 0; - unsigned int right_x1_data = 0, right_x2_data = 0; - - bitsPerPixel = glyph_pixmap->drawable.bitsPerPixel; - stride = glyph_pixmap->devKind; - bits = glyph_pixmap->devPrivate.ptr; - width = glyph->info.width; - - if (glyph_pixmap->drawable.width < 2 - || !(glyph_pixmap->drawable.depth == 8 - || glyph_pixmap->drawable.depth == 1 - || glyph_pixmap->drawable.depth == 32)) { - priv->has_edge_map = FALSE; - return; - } - - left_x1_map = left_x2_map = 0; - right_x1_map = right_x2_map = 0; - - for (j = 0; j < glyph_pixmap->drawable.height; j++) { - if (bitsPerPixel == 8) { - unsigned char *data; - - data = (unsigned char *) ((unsigned char *) bits + stride * j); - left_x1_data = *data++; - left_x2_data = *data; - data = - (unsigned char *) ((unsigned char *) bits + stride * j + width - - 2); - right_x1_data = *data++; - right_x2_data = *data; - } - else if (bitsPerPixel == 32) { - left_x1_data = *((unsigned int *) bits + stride / 4 * j); - left_x2_data = *((unsigned int *) bits + stride / 4 * j + 1); - right_x1_data = - *((unsigned int *) bits + stride / 4 * j + width - 2); - right_x2_data = - *((unsigned int *) bits + stride / 4 * j + width - 1); - } - else if (bitsPerPixel == 1) { - unsigned char temp; - - temp = *((unsigned char *) glyph_pixmap->devPrivate.ptr - + glyph_pixmap->devKind * j) & 0x3; - left_x1_data = temp & 0x1; - left_x2_data = temp & 0x2; - - temp = *((unsigned char *) glyph_pixmap->devPrivate.ptr - + glyph_pixmap->devKind * j - + (glyph_pixmap->drawable.width - 2) / 8); - right_x1_data = temp - & (1 << ((glyph_pixmap->drawable.width - 2) % 8)); - temp = *((unsigned char *) glyph_pixmap->devPrivate.ptr - + glyph_pixmap->devKind * j - + (glyph_pixmap->drawable.width - 1) / 8); - right_x2_data = temp - & (1 << ((glyph_pixmap->drawable.width - 1) % 8)); - } - left_x1_map |= (left_x1_data != 0) << j; - left_x2_map |= (left_x2_data != 0) << j; - right_x1_map |= (right_x1_data != 0) << j; - right_x2_map |= (right_x2_data != 0) << j; - } - - priv->left_x1_map = left_x1_map; - priv->left_x2_map = left_x2_map; - priv->right_x1_map = right_x1_map; - priv->right_x2_map = right_x2_map; - priv->has_edge_map = TRUE; - return; -} - -/** - * Returns TRUE if the glyphs in the lists intersect. Only checks based on - * bounding box, which appears to be good enough to catch most cases at least. - */ - -#define INTERSECTED_TYPE_MASK 1 -#define NON_INTERSECTED 0 -#define INTERSECTED 1 - -struct glamor_glyph_list { - int nlist; - GlyphListPtr list; - GlyphPtr *glyphs; - int type; -}; - -static Bool -glyph_new_fixed_list(struct glamor_glyph_list *fixed_list, - GlyphPtr *cur_glyphs, - GlyphPtr ** head_glyphs, - GlyphListPtr cur_list, - int cur_pos, int cur_x, int cur_y, - int x1, int y1, int x2, int y2, - GlyphListPtr *head_list, - int *head_pos, - int *head_x, - int *head_y, int *fixed_cnt, int type, BoxPtr prev_extents) -{ - int x_off = 0; - int y_off = 0; - int n_off = 0; - int list_cnt; - - if (type == NON_INTERSECTED) { - if (x1 < prev_extents->x2 && x2 > prev_extents->x1 - && y1 < prev_extents->y2 && y2 > prev_extents->y1) - return FALSE; - x_off = (*(cur_glyphs - 1))->info.xOff; - y_off = (*(cur_glyphs - 1))->info.yOff; - n_off = 1; - } - - list_cnt = cur_list - *head_list + 1; - if (cur_pos <= n_off) { - DEBUGF("break at %d n_off %d\n", cur_pos, n_off); - list_cnt--; - if (cur_pos < n_off) { - /* we overlap with previous list's last glyph. */ - x_off += cur_list->xOff; - y_off += cur_list->yOff; - cur_list--; - cur_pos = cur_list->len; - if (cur_pos <= n_off) { - list_cnt--; - } - } - } - DEBUGF("got %d lists\n", list_cnt); - if (list_cnt != 0) { - fixed_list->list = malloc(list_cnt * sizeof(*cur_list)); - memcpy(fixed_list->list, *head_list, list_cnt * sizeof(*cur_list)); - fixed_list->list[0].xOff = *head_x; - fixed_list->list[0].yOff = *head_y; - fixed_list->glyphs = *head_glyphs; - fixed_list->type = type & INTERSECTED_TYPE_MASK; - fixed_list->nlist = list_cnt; - if (cur_list != *head_list) { - fixed_list->list[0].len = (*head_list)->len - *head_pos; - if (cur_pos != n_off) - fixed_list->list[list_cnt - 1].len = cur_pos - n_off; - } - else - fixed_list->list[0].len = cur_pos - *head_pos - n_off; - (*fixed_cnt)++; - } - - if (type <= INTERSECTED) { - *head_list = cur_list; - *head_pos = cur_pos - n_off; - *head_x = cur_x - x_off; - *head_y = cur_y - y_off; - *head_glyphs = cur_glyphs - n_off; - } - return TRUE; -} - -/* - * This function detects glyph lists's overlapping. - * - * If check_fake_overlap is set, then it will check the glyph's left - * and right small boxes's real overlapping pixels. And if there is - * no real pixel overlapping, then it will not be treated as overlapped - * case. And we also can configured it to ignore less than 2 pixels - * overlappig. - * - * This function analyzes all the lists and split the list to multiple - * lists which are pure overlapped glyph lists or pure non-overlapped - * list if the overlapping only ocurr on the two adjacent glyphs. - * Otherwise, it return -1. - * - **/ - -static int -glamor_glyphs_intersect(int nlist, GlyphListPtr list, GlyphPtr *glyphs, - PictFormatShort mask_format, - ScreenPtr screen, Bool check_fake_overlap, - struct glamor_glyph_list *fixed_list, int fixed_size) -{ - int x1, x2, y1, y2; - int n; - int x, y; - BoxPtr extents; - BoxRec prev_extents; - Bool first = TRUE, first_list = TRUE; - Bool need_free_list_region = FALSE; - Bool need_free_fixed_list = FALSE; - struct glamor_glyph *priv = NULL; - Bool in_non_intersected_list = -1; - GlyphListPtr head_list; - int head_x, head_y, head_pos; - int fixed_cnt = 0; - GlyphPtr *head_glyphs; - GlyphListPtr cur_list = list; - RegionRec list_region; - RegionRec current_region; - BoxRec current_box; - - if (nlist > 1) { - pixman_region_init(&list_region); - need_free_list_region = TRUE; - } - - pixman_region_init(¤t_region); - - extents = pixman_region_extents(¤t_region); - - x = 0; - y = 0; - x1 = x2 = y1 = y2 = 0; - n = 0; - extents->x1 = 0; - extents->y1 = 0; - extents->x2 = 0; - extents->y2 = 0; - - head_list = list; - DEBUGF("has %d lists.\n", nlist); - while (nlist--) { - BoxRec left_box, right_box = { 0 }; - Bool has_left_edge_box = FALSE, has_right_edge_box = FALSE; - Bool left_to_right; - struct glamor_glyph *left_priv = NULL, *right_priv = NULL; - - x += list->xOff; - y += list->yOff; - n = list->len; - left_to_right = TRUE; - cur_list = list++; - - if (_X_UNLIKELY(!first_list)) { - pixman_region_init_with_extents(¤t_region, extents); - pixman_region_union(&list_region, &list_region, ¤t_region); - first = TRUE; - } - else { - head_list = cur_list; - head_pos = cur_list->len - n; - head_x = x; - head_y = y; - head_glyphs = glyphs; - } - - DEBUGF("current list %p has %d glyphs\n", cur_list, n); - while (n--) { - GlyphPtr glyph = *glyphs++; - - DEBUGF("the %dth glyph\n", cur_list->len - n - 1); - if (glyph->info.width == 0 || glyph->info.height == 0) { - x += glyph->info.xOff; - y += glyph->info.yOff; - continue; - } - if (mask_format - && mask_format != GlyphPicture(glyph)[screen->myNum]->format) { - need_free_fixed_list = TRUE; - goto done; - } - - x1 = x - glyph->info.x; - if (x1 < MINSHORT) - x1 = MINSHORT; - y1 = y - glyph->info.y; - if (y1 < MINSHORT) - y1 = MINSHORT; - if (check_fake_overlap) - priv = glamor_glyph_get_private(screen, glyph); - - x2 = x1 + glyph->info.width; - y2 = y1 + glyph->info.height; - - if (x2 > MAXSHORT) - x2 = MAXSHORT; - if (y2 > MAXSHORT) - y2 = MAXSHORT; - - if (first) { - extents->x1 = x1; - extents->y1 = y1; - extents->x2 = x2; - extents->y2 = y2; - - prev_extents = *extents; - - first = FALSE; - if (check_fake_overlap && priv - && priv->has_edge_map && glyph->info.yOff == 0) { - left_box.x1 = x1; - left_box.x2 = x1 + 1; - left_box.y1 = y1; - - right_box.x1 = x2 - 2; - right_box.x2 = x2 - 1; - right_box.y1 = y1; - left_priv = right_priv = priv; - has_left_edge_box = TRUE; - has_right_edge_box = TRUE; - } - } - else { - if (_X_UNLIKELY(!first_list)) { - current_box.x1 = x1; - current_box.y1 = y1; - current_box.x2 = x2; - current_box.y2 = y2; - if (pixman_region_contains_rectangle - (&list_region, ¤t_box) != PIXMAN_REGION_OUT) { - need_free_fixed_list = TRUE; - goto done; - } - } - - if (x1 < extents->x2 && x2 > extents->x1 - && y1 < extents->y2 && y2 > extents->y1) { - - if (check_fake_overlap && - (has_left_edge_box || has_right_edge_box) - && priv->has_edge_map && glyph->info.yOff == 0) { - int left_dx, right_dx; - unsigned long long intersected; - - left_dx = has_left_edge_box ? 1 : 0; - right_dx = has_right_edge_box ? 1 : 0; - if (x1 + 1 < extents->x2 - right_dx && - x2 - 1 > extents->x1 + left_dx) - goto real_intersected; - - if (left_to_right && has_right_edge_box) { - if (x1 == right_box.x1) { - intersected = - ((priv->left_x1_map & right_priv-> - right_x1_map) - | (priv->left_x2_map & right_priv-> - right_x2_map)); - if (intersected) - goto real_intersected; - } - else if (x1 == right_box.x2) { - intersected = - (priv->left_x1_map & right_priv-> - right_x2_map); - if (intersected) { -#ifdef GLYPHS_EDEGE_OVERLAP_LOOSE_CHECK - /* tolerate with two pixels overlap. */ - intersected &= ~(1 << __fls(intersected)); - if ((intersected & (intersected - 1))) -#endif - goto real_intersected; - } - } - } - else if (!left_to_right && has_left_edge_box) { - if (x2 - 1 == left_box.x1) { - intersected = - (priv->right_x2_map & left_priv-> - left_x1_map); - if (intersected) { -#ifdef GLYPHS_EDEGE_OVERLAP_LOOSE_CHECK - /* tolerate with two pixels overlap. */ - intersected &= ~(1 << __fls(intersected)); - if ((intersected & (intersected - 1))) -#endif - goto real_intersected; - } - } - else if (x2 - 1 == right_box.x2) { - if ((priv->right_x1_map & left_priv-> - left_x1_map) - || (priv->right_x2_map & left_priv-> - left_x2_map)) - goto real_intersected; - } - } - else { - if (x1 < extents->x2 && x1 + 2 > extents->x1) - goto real_intersected; - } - goto non_intersected; - } - else { - real_intersected: - DEBUGF("overlap with previous glyph.\n"); - if (in_non_intersected_list == 1) { - if (fixed_cnt >= fixed_size) { - need_free_fixed_list = TRUE; - goto done; - } - if (!glyph_new_fixed_list(&fixed_list[fixed_cnt], - glyphs - 1, - &head_glyphs, - cur_list, - cur_list->len - (n + 1), - x, y, x1, y1, x2, y2, - &head_list, &head_pos, - &head_x, &head_y, - &fixed_cnt, - NON_INTERSECTED, - &prev_extents)) { - need_free_fixed_list = TRUE; - goto done; - } - } - - in_non_intersected_list = 0; - - } - } - else { - non_intersected: - DEBUGF("doesn't overlap with previous glyph.\n"); - if (in_non_intersected_list == 0) { - if (fixed_cnt >= fixed_size) { - need_free_fixed_list = TRUE; - goto done; - } - if (!glyph_new_fixed_list(&fixed_list[fixed_cnt], - glyphs - 1, - &head_glyphs, - cur_list, - cur_list->len - (n + 1), x, y, - x1, y1, x2, y2, - &head_list, - &head_pos, - &head_x, - &head_y, &fixed_cnt, - INTERSECTED, &prev_extents)) { - need_free_fixed_list = TRUE; - goto done; - } - } - in_non_intersected_list = 1; - } - prev_extents = *extents; - } - - if (check_fake_overlap && priv - && priv->has_edge_map && glyph->info.yOff == 0) { - if (!has_left_edge_box || x1 < extents->x1) { - left_box.x1 = x1; - left_box.x2 = x1 + 1; - left_box.y1 = y1; - has_left_edge_box = TRUE; - left_priv = priv; - } - - if (!has_right_edge_box || x2 > extents->x2) { - right_box.x1 = x2 - 2; - right_box.x2 = x2 - 1; - right_box.y1 = y1; - has_right_edge_box = TRUE; - right_priv = priv; - } - } - - if (x1 < extents->x1) - extents->x1 = x1; - if (x2 > extents->x2) - extents->x2 = x2; - - if (y1 < extents->y1) - extents->y1 = y1; - if (y2 > extents->y2) - extents->y2 = y2; - - x += glyph->info.xOff; - y += glyph->info.yOff; - } - first_list = FALSE; - } - - if (in_non_intersected_list == 0 && fixed_cnt == 0) { - fixed_cnt = -1; - goto done; - } - - if ((in_non_intersected_list != -1 || head_pos != n) && (fixed_cnt > 0)) { - if (fixed_cnt >= fixed_size) { - need_free_fixed_list = TRUE; - goto done; - } - if (!glyph_new_fixed_list(&fixed_list[fixed_cnt], - glyphs - 1, - &head_glyphs, - cur_list, - cur_list->len - (n + 1), x, y, - x1, y1, x2, y2, - &head_list, - &head_pos, - &head_x, - &head_y, &fixed_cnt, - (!in_non_intersected_list) | 0x80, - &prev_extents)) { - need_free_fixed_list = TRUE; - goto done; - } - } - - done: - if (need_free_list_region) - pixman_region_fini(&list_region); - pixman_region_fini(¤t_region); - - if (need_free_fixed_list && fixed_cnt >= 0) { - while (fixed_cnt--) { - free(fixed_list[fixed_cnt].list); - } - } - - DEBUGF("Got %d fixed list \n", fixed_cnt); - return fixed_cnt; -} - -static inline unsigned int -glamor_glyph_size_to_count(int size) -{ - size /= GLYPH_MIN_SIZE; - return size * size; -} - -static inline unsigned int -glamor_glyph_count_to_mask(int count) -{ - return ~(count - 1); -} - -static inline unsigned int -glamor_glyph_size_to_mask(int size) -{ - return glamor_glyph_count_to_mask(glamor_glyph_size_to_count(size)); -} - -static PicturePtr -glamor_glyph_cache(glamor_screen_private *glamor, GlyphPtr glyph, int *out_x, - int *out_y) -{ - ScreenPtr screen = glamor->screen; - PicturePtr glyph_picture = GlyphPicture(glyph)[screen->myNum]; - glamor_glyph_cache_t *cache = - &glamor->glyphCaches[PICT_FORMAT_RGB(glyph_picture->format) != 0]; - struct glamor_glyph *priv = NULL, *evicted_priv = NULL; - int size, mask, pos, s; - - if (glyph->info.width > GLYPH_MAX_SIZE - || glyph->info.height > GLYPH_MAX_SIZE) - return NULL; - - for (size = GLYPH_MIN_SIZE; size <= GLYPH_MAX_SIZE; size *= 2) - if (glyph->info.width <= size && glyph->info.height <= size) - break; - - s = glamor_glyph_size_to_count(size); - mask = glamor_glyph_count_to_mask(s); - pos = (cache->count + s - 1) & mask; - - priv = glamor_glyph_get_private(screen, glyph); - if (pos < GLYPH_CACHE_SIZE) { - cache->count = pos + s; - } - else { - for (s = size; s <= GLYPH_MAX_SIZE; s *= 2) { - int i = cache->evict & glamor_glyph_size_to_mask(s); - GlyphPtr evicted = cache->glyphs[i]; - - if (evicted == NULL) - continue; - - evicted_priv = glamor_glyph_get_private(screen, evicted); - assert(evicted_priv->pos == i); - if (evicted_priv->size >= s) { - cache->glyphs[i] = NULL; - evicted_priv->cached = FALSE; - pos = cache->evict & glamor_glyph_size_to_mask(size); - } - else - evicted_priv = NULL; - break; - } - if (evicted_priv == NULL) { - int count = glamor_glyph_size_to_count(size); - - mask = glamor_glyph_count_to_mask(count); - pos = cache->evict & mask; - for (s = 0; s < count; s++) { - GlyphPtr evicted = cache->glyphs[pos + s]; - - if (evicted != NULL) { - - evicted_priv = glamor_glyph_get_private(screen, evicted); - - assert(evicted_priv->pos == pos + s); - evicted_priv->cached = FALSE; - cache->glyphs[pos + s] = NULL; - } - } - - } - /* And pick a new eviction position */ - cache->evict = rand() % GLYPH_CACHE_SIZE; - } - - cache->glyphs[pos] = glyph; - - priv->cache = cache; - priv->size = size; - priv->pos = pos; - s = pos / ((GLYPH_MAX_SIZE / GLYPH_MIN_SIZE) * - (GLYPH_MAX_SIZE / GLYPH_MIN_SIZE)); - priv->x = s % (CACHE_PICTURE_SIZE / GLYPH_MAX_SIZE) * GLYPH_MAX_SIZE; - priv->y = (s / (CACHE_PICTURE_SIZE / GLYPH_MAX_SIZE)) * GLYPH_MAX_SIZE; - for (s = GLYPH_MIN_SIZE; s < GLYPH_MAX_SIZE; s *= 2) { - if (pos & 1) - priv->x += s; - if (pos & 2) - priv->y += s; - pos >>= 2; - } - - glamor_glyph_cache_upload_glyph(screen, cache, glyph, priv->x, priv->y); -#ifndef GLYPHS_NO_EDEGEMAP_OVERLAP_CHECK - if (priv->has_edge_map == FALSE && glyph->info.width >= 2) - glamor_glyph_priv_get_edge_map(glyph, priv, glyph_picture); -#endif - priv->cached = TRUE; - - *out_x = priv->x; - *out_y = priv->y; - return cache->picture; -} - -typedef void (*glyphs_flush_func) (void *arg); -struct glyphs_flush_dst_arg { - CARD8 op; - PicturePtr src; - PicturePtr dst; - glamor_glyph_buffer_t *buffer; - int x_src, y_src; - int x_dst, y_dst; -}; - -static struct glyphs_flush_dst_arg dst_arg; -static struct glyphs_flush_mask_arg mask_arg; -static glamor_glyph_buffer_t dst_buffer; -static glamor_glyph_buffer_t mask_buffer; -unsigned long long mask_glyphs_cnt = 0; -unsigned long long dst_glyphs_cnt = 0; - -#define GLYPHS_DST_MODE_VIA_MASK 0 -#define GLYPHS_DST_MODE_VIA_MASK_CACHE 1 -#define GLYPHS_DST_MODE_TO_DST 2 -#define GLYPHS_DST_MODE_MASK_TO_DST 3 - -struct glyphs_flush_mask_arg { - PicturePtr mask; - glamor_glyph_buffer_t *buffer; - glamor_glyph_mask_cache_t *maskcache; - unsigned int used_bitmap; -}; - -static void -glamor_glyphs_flush_mask(struct glyphs_flush_mask_arg *arg) -{ - if (arg->buffer->count > 0) { - glamor_composite_glyph_rects(PictOpAdd, arg->buffer->source, - NULL, arg->mask, - arg->buffer->count, arg->buffer->rects); - } - arg->buffer->count = 0; - arg->buffer->source = NULL; - -} - -static void -glamor_glyphs_flush_dst(struct glyphs_flush_dst_arg *arg) -{ - if (!arg->buffer) - return; - - if (mask_buffer.count > 0) { - glamor_glyphs_flush_mask(&mask_arg); - } - if (mask_arg.used_bitmap) { - put_mask_cache_bitmap(mask_arg.maskcache, mask_arg.used_bitmap); - mask_arg.used_bitmap = 0; - } - - if (arg->buffer->count > 0) { - glamor_composite_glyph_rects(arg->op, arg->src, - arg->buffer->source, arg->dst, - arg->buffer->count, - &arg->buffer->rects[0]); - arg->buffer->count = 0; - arg->buffer->source = NULL; - } -} - -static glamor_glyph_cache_result_t -glamor_buffer_glyph(glamor_screen_private *glamor_priv, - glamor_glyph_buffer_t *buffer, - PictFormatShort format, - GlyphPtr glyph, struct glamor_glyph *priv, - int x_glyph, int y_glyph, - int dx, int dy, int w, int h, - int glyphs_dst_mode, - glyphs_flush_func glyphs_flush, void *flush_arg) -{ - ScreenPtr screen = glamor_priv->screen; - glamor_composite_rect_t *rect; - PicturePtr source; - int x, y; - glamor_glyph_cache_t *cache; - - if (glyphs_dst_mode != GLYPHS_DST_MODE_MASK_TO_DST) - priv = glamor_glyph_get_private(screen, glyph); - - if (PICT_FORMAT_BPP(format) == 1) - format = PICT_a8; - - cache = &glamor_priv->glyphCaches[PICT_FORMAT_RGB(format) != 0]; - - if (buffer->source && buffer->source != cache->picture && glyphs_flush) { - (*glyphs_flush) (flush_arg); - glyphs_flush = NULL; - } - - if (buffer->count == GLYPH_BUFFER_SIZE && glyphs_flush) { - (*glyphs_flush) (flush_arg); - glyphs_flush = NULL; - } - - if (priv && priv->cached) { - rect = &buffer->rects[buffer->count++]; - rect->x_src = priv->x + dx; - rect->y_src = priv->y + dy; - if (buffer->source == NULL) - buffer->source = priv->cache->picture; - if (glyphs_dst_mode <= GLYPHS_DST_MODE_VIA_MASK_CACHE) - assert(priv->cache->glyphs[priv->pos] == glyph); - } - else { - assert(glyphs_dst_mode != GLYPHS_DST_MODE_MASK_TO_DST); - if (glyphs_flush) - (*glyphs_flush) (flush_arg); - source = glamor_glyph_cache(glamor_priv, glyph, &x, &y); - - if (source != NULL) { - rect = &buffer->rects[buffer->count++]; - rect->x_src = x + dx; - rect->y_src = y + dy; - if (buffer->source == NULL) - buffer->source = source; - if (glyphs_dst_mode == GLYPHS_DST_MODE_VIA_MASK_CACHE) { - /* mode 1 means we are using global mask cache, - * thus we have to composite from the cache picture - * to the cache picture, we need a flush here to make - * sure latter we get the corret glyphs data.*/ - glamor_make_current(glamor_priv); - glFlush(); - } - } - else { - /* Couldn't find the glyph in the cache, use the glyph picture directly */ - source = GlyphPicture(glyph)[screen->myNum]; - if (buffer->source && buffer->source != source && glyphs_flush) - (*glyphs_flush) (flush_arg); - buffer->source = source; - - rect = &buffer->rects[buffer->count++]; - rect->x_src = 0 + dx; - rect->y_src = 0 + dy; - } - priv = glamor_glyph_get_private(screen, glyph); - } - - rect->x_dst = x_glyph; - rect->y_dst = y_glyph; - if (glyphs_dst_mode != GLYPHS_DST_MODE_MASK_TO_DST) { - rect->x_dst -= glyph->info.x; - rect->y_dst -= glyph->info.y; - } - rect->width = w; - rect->height = h; - if (glyphs_dst_mode > GLYPHS_DST_MODE_VIA_MASK_CACHE) { - rect->x_mask = rect->x_src; - rect->y_mask = rect->y_src; - rect->x_src = dst_arg.x_src + rect->x_dst - dst_arg.x_dst; - rect->y_src = dst_arg.y_src + rect->y_dst - dst_arg.y_dst; - } - - return GLAMOR_GLYPH_SUCCESS; -} - -static void -glamor_buffer_glyph_clip(glamor_screen_private *glamor_priv, - BoxPtr rects, - int nrect, PictFormatShort format, - GlyphPtr glyph, struct glamor_glyph *priv, - int glyph_x, int glyph_y, - int glyph_dx, int glyph_dy, - int width, int height, - int glyphs_mode, - glyphs_flush_func flush_func, void *arg) -{ - int i; - - for (i = 0; i < nrect; i++) { - int dst_x, dst_y; - int dx, dy; - int x2, y2; - - dst_x = glyph_x - glyph_dx; - dst_y = glyph_y - glyph_dy; - x2 = dst_x + width; - y2 = dst_y + height; - dx = dy = 0; - if (rects[i].y1 >= y2) - break; - - if (dst_x < rects[i].x1) - dx = rects[i].x1 - dst_x, dst_x = rects[i].x1; - if (x2 > rects[i].x2) - x2 = rects[i].x2; - if (dst_y < rects[i].y1) - dy = rects[i].y1 - dst_y, dst_y = rects[i].y1; - if (y2 > rects[i].y2) - y2 = rects[i].y2; - if (dst_x < x2 && dst_y < y2) { - - glamor_buffer_glyph(glamor_priv, - &dst_buffer, - format, - glyph, priv, - dst_x + glyph_dx, - dst_y + glyph_dy, - dx, dy, - x2 - dst_x, y2 - dst_y, - glyphs_mode, flush_func, arg); - } - } -} - -static void -glamor_glyphs_via_mask(CARD8 op, - PicturePtr src, - PicturePtr dst, - PictFormatPtr mask_format, - INT16 x_src, - INT16 y_src, - int nlist, GlyphListPtr list, GlyphPtr *glyphs, - Bool use_mask_cache) -{ - PixmapPtr mask_pixmap = 0; - PicturePtr mask; - ScreenPtr screen = dst->pDrawable->pScreen; - int width = 0, height = 0; - int x, y; - int x_dst = list->xOff, y_dst = list->yOff; - int n; - GlyphPtr glyph; - int error; - BoxRec extents = { 0, 0, 0, 0 }; - XID component_alpha; - glamor_screen_private *glamor_priv; - int need_free_mask = FALSE; - glamor_glyph_buffer_t buffer; - struct glyphs_flush_mask_arg arg; - glamor_glyph_buffer_t *pmask_buffer; - struct glyphs_flush_mask_arg *pmask_arg; - struct glamor_glyph_mask_cache_entry *mce = NULL; - glamor_glyph_mask_cache_t *maskcache; - glamor_glyph_cache_t *cache; - int glyphs_dst_mode; - - glamor_glyph_extents(nlist, list, glyphs, &extents); - - if (extents.x2 <= extents.x1 || extents.y2 <= extents.y1) - return; - glamor_priv = glamor_get_screen_private(screen); - width = extents.x2 - extents.x1; - height = extents.y2 - extents.y1; - - if (mask_format->depth == 1) { - PictFormatPtr a8Format = PictureMatchFormat(screen, 8, PICT_a8); - - if (a8Format) - mask_format = a8Format; - } - - cache = &glamor_priv->glyphCaches - [PICT_FORMAT_RGB(mask_format->format) != 0]; - maskcache = glamor_priv->mask_cache[PICT_FORMAT_RGB(mask_format->format) != 0]; - - x = -extents.x1; - y = -extents.y1; - if (!use_mask_cache || width > (CACHE_PICTURE_SIZE / 4) - || height > MASK_CACHE_MAX_SIZE) { - new_mask_pixmap: - mask_pixmap = glamor_create_pixmap(screen, width, height, - mask_format->depth, - CREATE_PIXMAP_USAGE_SCRATCH); - if (!mask_pixmap) { - glamor_destroy_pixmap(mask_pixmap); - return; - } - glamor_solid(mask_pixmap, 0, 0, width, height, 0); - component_alpha = NeedsComponent(mask_format->format); - mask = CreatePicture(0, &mask_pixmap->drawable, - mask_format, CPComponentAlpha, - &component_alpha, serverClient, &error); - if (!mask) - return; - need_free_mask = TRUE; - pmask_arg = &arg; - pmask_buffer = &buffer; - pmask_buffer->count = 0; - pmask_buffer->source = NULL; - pmask_arg->used_bitmap = 0; - glyphs_dst_mode = GLYPHS_DST_MODE_VIA_MASK; - } - else { - int retry_cnt = 0; - - retry: - mce = get_mask_cache(maskcache, - (width + MASK_CACHE_MAX_SIZE - - 1) / MASK_CACHE_MAX_SIZE); - - if (mce == NULL) { - glamor_glyphs_flush_dst(&dst_arg); - retry_cnt++; - if (retry_cnt > 2) { - assert(0); - goto new_mask_pixmap; - } - goto retry; - } - - mask = cache->picture; - x += mce->x; - y += mce->y; - mce->width = (width + MASK_CACHE_MAX_SIZE - 1) / MASK_CACHE_MAX_SIZE; - mce->height = 1; - if (mask_arg.mask && mask_arg.mask != mask && mask_buffer.count != 0) - glamor_glyphs_flush_dst(&dst_arg); - pmask_arg = &mask_arg; - pmask_buffer = &mask_buffer; - pmask_arg->maskcache = maskcache; - glyphs_dst_mode = GLYPHS_DST_MODE_VIA_MASK_CACHE; - } - pmask_arg->mask = mask; - pmask_arg->buffer = pmask_buffer; - while (nlist--) { - x += list->xOff; - y += list->yOff; - n = list->len; - mask_glyphs_cnt += n; - while (n--) { - glyph = *glyphs++; - if (glyph->info.width > 0 && glyph->info.height > 0) { - glyphs_flush_func flush_func; - void *temp_arg; - - if (need_free_mask) { - if (pmask_buffer->count) - flush_func = - (glyphs_flush_func) glamor_glyphs_flush_mask; - else - flush_func = NULL; - temp_arg = pmask_arg; - } - else { - /* If we are using global mask cache, then we need to - * flush dst instead of mask. As some dst depends on the - * previous mask result. Just flush mask can't get all previous's - * overlapped glyphs.*/ - if (dst_buffer.count || mask_buffer.count) - flush_func = - (glyphs_flush_func) glamor_glyphs_flush_dst; - else - flush_func = NULL; - temp_arg = &dst_arg; - } - glamor_buffer_glyph(glamor_priv, pmask_buffer, - mask_format->format, - glyph, NULL, x, y, - 0, 0, - glyph->info.width, glyph->info.height, - glyphs_dst_mode, - flush_func, (void *) temp_arg); - } - x += glyph->info.xOff; - y += glyph->info.yOff; - } - list++; - } - - x = extents.x1; - y = extents.y1; - if (need_free_mask) { - glamor_glyphs_flush_mask(pmask_arg); - CompositePicture(op, - src, - mask, - dst, - x_src + x - x_dst, - y_src + y - y_dst, 0, 0, x, y, width, height); - FreePicture(mask, 0); - glamor_destroy_pixmap(mask_pixmap); - } - else { - struct glamor_glyph priv; - glyphs_flush_func flush_func; - BoxPtr rects; - int nrect; - - priv.cache = cache; - priv.x = mce->x; - priv.y = mce->y; - priv.cached = TRUE; - rects = REGION_RECTS(dst->pCompositeClip); - nrect = REGION_NUM_RECTS(dst->pCompositeClip); - - pmask_arg->used_bitmap |= ((1 << mce->width) - 1) << mce->idx; - dst_arg.op = op; - dst_arg.src = src; - dst_arg.dst = dst; - dst_arg.buffer = &dst_buffer; - dst_arg.x_src = x_src; - dst_arg.y_src = y_src; - dst_arg.x_dst = x_dst; - dst_arg.y_dst = y_dst; - - if (dst_buffer.source == NULL) { - dst_buffer.source = cache->picture; - } - else if (dst_buffer.source != cache->picture) { - glamor_glyphs_flush_dst(&dst_arg); - dst_buffer.source = cache->picture; - } - - x += dst->pDrawable->x; - y += dst->pDrawable->y; - - if (dst_buffer.count || mask_buffer.count) - flush_func = (glyphs_flush_func) glamor_glyphs_flush_dst; - else - flush_func = NULL; - - glamor_buffer_glyph_clip(glamor_priv, - rects, nrect, - mask_format->format, - NULL, &priv, - x, y, - 0, 0, - width, height, - GLYPHS_DST_MODE_MASK_TO_DST, - flush_func, (void *) &dst_arg); - } -} - -static void -glamor_glyphs_to_dst(CARD8 op, - PicturePtr src, - PicturePtr dst, - INT16 x_src, - INT16 y_src, - int nlist, GlyphListPtr list, GlyphPtr *glyphs) -{ - ScreenPtr screen = dst->pDrawable->pScreen; - int x = 0, y = 0; - int x_dst = list->xOff, y_dst = list->yOff; - int n; - GlyphPtr glyph; - BoxPtr rects; - int nrect; - glamor_screen_private *glamor_priv; - - rects = REGION_RECTS(dst->pCompositeClip); - nrect = REGION_NUM_RECTS(dst->pCompositeClip); - - glamor_priv = glamor_get_screen_private(screen); - - dst_arg.op = op; - dst_arg.src = src; - dst_arg.dst = dst; - dst_arg.buffer = &dst_buffer; - dst_arg.x_src = x_src; - dst_arg.y_src = y_src; - dst_arg.x_dst = x_dst; - dst_arg.y_dst = y_dst; - - x = dst->pDrawable->x; - y = dst->pDrawable->y; - - while (nlist--) { - x += list->xOff; - y += list->yOff; - n = list->len; - dst_glyphs_cnt += n; - while (n--) { - glyph = *glyphs++; - - if (glyph->info.width > 0 && glyph->info.height > 0) { - glyphs_flush_func flush_func; - - if (dst_buffer.count || mask_buffer.count) - flush_func = (glyphs_flush_func) glamor_glyphs_flush_dst; - else - flush_func = NULL; - glamor_buffer_glyph_clip(glamor_priv, - rects, nrect, - (GlyphPicture(glyph)[screen->myNum])-> - format, glyph, NULL, x, y, - glyph->info.x, glyph->info.y, - glyph->info.width, glyph->info.height, - GLYPHS_DST_MODE_TO_DST, flush_func, - (void *) &dst_arg); - } - - x += glyph->info.xOff; - y += glyph->info.yOff; - } - list++; - } -} - -#define MAX_FIXED_SIZE -static void -glamor_glyphs_reset_buffer(glamor_glyph_buffer_t *buffer) -{ - buffer->count = 0; - buffer->source = NULL; -} - -static Bool -_glamor_glyphs(CARD8 op, - PicturePtr src, - PicturePtr dst, - PictFormatPtr mask_format, - INT16 x_src, - INT16 y_src, int nlist, GlyphListPtr list, - GlyphPtr *glyphs, Bool fallback) -{ - PictFormatShort format; - int fixed_size, fixed_cnt = 0; - struct glamor_glyph_list *fixed_list = NULL; - Bool need_free_list = FALSE; - -#ifndef GLYPHS_NO_EDEGEMAP_OVERLAP_CHECK - Bool check_fake_overlap = TRUE; - - if (!(op == PictOpOver || op == PictOpAdd || op == PictOpXor)) { - /* C = (0,0,0,0) D = glyphs , SRC = A, DEST = B (faked overlapped glyphs, overlapped with (0,0,0,0)). - * For those op, (A IN (C ADD D)) OP B != (A IN D) OP ((A IN C) OP B) - * or (A IN (D ADD C)) OP B != (A IN C) OP ((A IN D) OP B) - * We need to split the faked regions to three or two, and composite the disoverlapped small - * boxes one by one. For other Ops, it's safe to composite the whole box. */ - check_fake_overlap = FALSE; - } -#else - Bool check_fake_overlap = FALSE; -#endif - if (mask_format) - format = mask_format->depth << 24 | mask_format->format; - else - format = 0; - - fixed_size = 32; - glamor_glyphs_reset_buffer(&dst_buffer); - - if (!mask_format || (((nlist == 1 && list->len == 1) || op == PictOpAdd) - && (dst->format == - ((mask_format->depth << 24) | mask_format-> - format)))) { - glamor_glyphs_to_dst(op, src, dst, x_src, y_src, nlist, list, glyphs); - goto last_flush; - } - - glamor_glyphs_reset_buffer(&mask_buffer); - - /* We have mask_format. Need to check the real overlap or not. */ - format = mask_format->depth << 24 | mask_format->format; - - fixed_list = calloc(fixed_size, sizeof(*fixed_list)); - if (_X_UNLIKELY(fixed_list == NULL)) - fixed_size = 0; - fixed_cnt = glamor_glyphs_intersect(nlist, list, glyphs, - format, dst->pDrawable->pScreen, - check_fake_overlap, - fixed_list, fixed_size); - if (fixed_cnt == 0) - mask_format = NULL; - need_free_list = TRUE; - - if (fixed_cnt <= 0) { - if (mask_format == NULL) { - glamor_glyphs_to_dst(op, src, dst, x_src, y_src, nlist, - list, glyphs); - goto last_flush; - } - else { - glamor_glyphs_via_mask(op, src, dst, mask_format, - x_src, y_src, nlist, list, glyphs, FALSE); - goto free_fixed_list; - } - } - else { - - /* We have splitted the original list to serval list, some are overlapped - * and some are non-overlapped. For the non-overlapped, we render it to - * dst directly. For the overlapped, we render it to mask picture firstly, - * then render the mask to dst. If we can use mask cache which is in the - * glyphs cache's last row, we can accumulate the rendering of mask to dst - * with the other dst_buffer's rendering operations thus can reduce the call - * of glDrawElements. - * - * */ - struct glamor_glyph_list *saved_list; - - saved_list = fixed_list; - mask_arg.used_bitmap = 0; - while (fixed_cnt--) { - if (fixed_list->type == NON_INTERSECTED) { - glamor_glyphs_to_dst(op, src, dst, - x_src, y_src, - fixed_list->nlist, - fixed_list->list, fixed_list->glyphs); - } - else - glamor_glyphs_via_mask(op, src, dst, - mask_format, x_src, y_src, - fixed_list->nlist, - fixed_list->list, - fixed_list->glyphs, TRUE); - - free(fixed_list->list); - fixed_list++; - } - free(saved_list); - need_free_list = FALSE; - } - - last_flush: - if (dst_buffer.count || mask_buffer.count) - glamor_glyphs_flush_dst(&dst_arg); - free_fixed_list: - if (need_free_list) { - assert(fixed_cnt <= 0); - free(fixed_list); - } - return TRUE; -} - -void -glamor_glyphs(CARD8 op, - PicturePtr src, - PicturePtr dst, - PictFormatPtr mask_format, - INT16 x_src, - INT16 y_src, int nlist, GlyphListPtr list, GlyphPtr *glyphs) -{ - _glamor_glyphs(op, src, dst, mask_format, x_src, - y_src, nlist, list, glyphs, TRUE); -} |