diff options
Diffstat (limited to 'Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm-i965-glyphs.c')
-rw-r--r-- | Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm-i965-glyphs.c | 504 |
1 files changed, 0 insertions, 504 deletions
diff --git a/Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm-i965-glyphs.c b/Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm-i965-glyphs.c deleted file mode 100644 index c66a63d7328..00000000000 --- a/Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm-i965-glyphs.c +++ /dev/null @@ -1,504 +0,0 @@ -/* cairo - a vector graphics library with display and print output - * - * Copyright © 2009 Intel Corporation - * - * This library is free software; you can redistribute it and/or - * modify it either under the terms of the GNU Lesser General Public - * License version 2.1 as published by the Free Software Foundation - * (the "LGPL") or, at your option, under the terms of the Mozilla - * Public License Version 1.1 (the "MPL"). If you do not alter this - * notice, a recipient may use your version of this file under either - * the MPL or the LGPL. - * - * You should have received a copy of the LGPL along with this library - * in the file COPYING-LGPL-2.1; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA - * You should have received a copy of the MPL along with this library - * in the file COPYING-MPL-1.1 - * - * The contents of this file are subject to the Mozilla Public License - * Version 1.1 (the "License"); you may not use this file except in - * compliance with the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY - * OF ANY KIND, either express or implied. See the LGPL or the MPL for - * the specific language governing rights and limitations. - * - * The Original Code is the cairo graphics library. - * - * The Initial Developer of the Original Code is Red Hat, Inc. - * - * Contributor(s): - * Chris Wilson <chris@chris-wilson.co.uk> - */ - -#include "cairoint.h" - -#include "cairo-composite-rectangles-private.h" -#include "cairo-drm-i965-private.h" -#include "cairo-error-private.h" -#include "cairo-rtree-private.h" - -typedef struct _i965_glyphs i965_glyphs_t; - -typedef float * -(*i965_get_rectangle_func_t) (i965_glyphs_t *glyphs); - -struct _i965_glyphs { - i965_get_rectangle_func_t get_rectangle; - i965_shader_t shader; - - struct i965_vbo head, *tail; - - unsigned int vbo_offset; - float *vbo_base; -}; - -static float * -i965_glyphs_emit_rectangle (i965_glyphs_t *glyphs) -{ - return i965_add_rectangle (glyphs->shader.device); -} - -static float * -i965_glyphs_accumulate_rectangle (i965_glyphs_t *glyphs) -{ - float *vertices; - uint32_t size; - - size = glyphs->shader.device->rectangle_size; - if (unlikely (glyphs->vbo_offset + size > I965_VERTEX_SIZE)) { - struct i965_vbo *vbo; - - vbo = malloc (sizeof (struct i965_vbo)); - if (unlikely (vbo == NULL)) { - /* throw error! */ - } - - glyphs->tail->next = vbo; - glyphs->tail = vbo; - - vbo->next = NULL; - vbo->bo = intel_bo_create (&glyphs->shader.device->intel, - I965_VERTEX_SIZE, I965_VERTEX_SIZE, - FALSE, I915_TILING_NONE, 0); - vbo->count = 0; - - glyphs->vbo_offset = 0; - glyphs->vbo_base = intel_bo_map (&glyphs->shader.device->intel, vbo->bo); - } - - vertices = glyphs->vbo_base + glyphs->vbo_offset; - glyphs->vbo_offset += size; - glyphs->tail->count += 3; - - return vertices; -} - -static void -i965_add_glyph_rectangle (i965_glyphs_t *glyphs, - int x1, int y1, - int x2, int y2, - intel_glyph_t *glyph) -{ - float *v; - - /* Each vertex is: - * 2 vertex coordinates - * 1 glyph texture coordinate - */ - - v = glyphs->get_rectangle (glyphs); - - /* bottom right */ - *v++ = x2; *v++ = y2; - *v++ = glyph->texcoord[0]; - - /* bottom left */ - *v++ = x1; *v++ = y2; - *v++ = glyph->texcoord[1]; - - /* top left */ - *v++ = x1; *v++ = y1; - *v++ = glyph->texcoord[2]; -} - -static cairo_status_t -i965_surface_mask_internal (i965_surface_t *dst, - cairo_operator_t op, - const cairo_pattern_t *source, - i965_surface_t *mask, - cairo_clip_t *clip, - const cairo_composite_rectangles_t *extents) -{ - i965_device_t *device; - i965_shader_t shader; - cairo_region_t *clip_region = NULL; - cairo_status_t status; - - i965_shader_init (&shader, dst, op); - - status = i965_shader_acquire_pattern (&shader, &shader.source, - source, &extents->bounded); - if (unlikely (status)) - return status; - - shader.mask.type.vertex = VS_NONE; - shader.mask.type.fragment = FS_SURFACE; - shader.mask.base.content = mask->intel.drm.base.content; - shader.mask.base.filter = i965_filter (CAIRO_FILTER_NEAREST); - shader.mask.base.extend = i965_extend (CAIRO_EXTEND_NONE); - - cairo_matrix_init_translate (&shader.mask.base.matrix, - -extents->bounded.x, - -extents->bounded.y); - cairo_matrix_scale (&shader.mask.base.matrix, - 1. / mask->intel.drm.width, - 1. / mask->intel.drm.height); - - shader.mask.base.bo = to_intel_bo (mask->intel.drm.bo); - shader.mask.base.format = mask->intel.drm.format; - shader.mask.base.width = mask->intel.drm.width; - shader.mask.base.height = mask->intel.drm.height; - shader.mask.base.stride = mask->intel.drm.stride; - - if (clip != NULL) { - status = _cairo_clip_get_region (clip, &clip_region); - assert (status == CAIRO_STATUS_SUCCESS || status == CAIRO_INT_STATUS_UNSUPPORTED); - - if (clip_region != NULL && cairo_region_num_rectangles (clip_region) == 1) - clip_region = NULL; - - if (status == CAIRO_INT_STATUS_UNSUPPORTED) - i965_shader_set_clip (&shader, clip); - } - - status = cairo_device_acquire (dst->intel.drm.base.device); - if (unlikely (status)) - goto CLEANUP_SHADER; - - device = i965_device (dst); - - status = i965_shader_commit (&shader, device); - if (unlikely (status)) - goto CLEANUP_DEVICE; - - if (clip_region != NULL) { - unsigned int n, num_rectangles; - - num_rectangles = cairo_region_num_rectangles (clip_region); - for (n = 0; n < num_rectangles; n++) { - cairo_rectangle_int_t rect; - - cairo_region_get_rectangle (clip_region, n, &rect); - - i965_shader_add_rectangle (&shader, - rect.x, rect.y, - rect.width, rect.height); - } - } else { - i965_shader_add_rectangle (&shader, - extents->bounded.x, - extents->bounded.y, - extents->bounded.width, - extents->bounded.height); - } - - if (! extents->is_bounded) - status = i965_fixup_unbounded (dst, extents, clip); - - CLEANUP_DEVICE: - cairo_device_release (&device->intel.base.base); - CLEANUP_SHADER: - i965_shader_fini (&shader); - return status; -} - -cairo_int_status_t -i965_surface_glyphs (void *abstract_surface, - cairo_operator_t op, - const cairo_pattern_t *source, - cairo_glyph_t *g, - int num_glyphs, - cairo_scaled_font_t *scaled_font, - cairo_clip_t *clip, - int *num_remaining) -{ - i965_surface_t *surface = abstract_surface; - i965_surface_t *mask = NULL; - i965_device_t *device; - i965_glyphs_t glyphs; - cairo_composite_rectangles_t extents; - cairo_clip_t local_clip; - cairo_bool_t have_clip = FALSE; - cairo_bool_t overlap; - cairo_region_t *clip_region = NULL; - intel_bo_t *last_bo = NULL; - cairo_scaled_glyph_t *glyph_cache[64]; - cairo_status_t status; - int mask_x = 0, mask_y = 0; - int i = 0; - - *num_remaining = 0; - status = _cairo_composite_rectangles_init_for_glyphs (&extents, - surface->intel.drm.width, - surface->intel.drm.height, - op, source, - scaled_font, - g, num_glyphs, - clip, - &overlap); - if (unlikely (status)) - return status; - - if (clip != NULL && _cairo_clip_contains_rectangle (clip, &extents.mask)) - clip = NULL; - - if (clip != NULL && extents.is_bounded) { - clip = _cairo_clip_init_copy (&local_clip, clip); - status = _cairo_clip_rectangle (clip, &extents.bounded); - if (unlikely (status)) - return status; - - have_clip = TRUE; - } - - if (overlap || ! extents.is_bounded) { - cairo_format_t format; - - format = CAIRO_FORMAT_A8; - if (scaled_font->options.antialias == CAIRO_ANTIALIAS_SUBPIXEL) - format = CAIRO_FORMAT_ARGB32; - - mask = (i965_surface_t *) - i965_surface_create_internal (&i965_device (surface)->intel.base, - format, - extents.bounded.width, - extents.bounded.height, - I965_TILING_DEFAULT, - TRUE); - if (unlikely (mask->intel.drm.base.status)) - return mask->intel.drm.base.status; - - status = _cairo_surface_paint (&mask->intel.drm.base, - CAIRO_OPERATOR_CLEAR, - &_cairo_pattern_clear.base, - NULL); - if (unlikely (status)) { - cairo_surface_destroy (&mask->intel.drm.base); - return status; - } - - i965_shader_init (&glyphs.shader, mask, CAIRO_OPERATOR_ADD); - - status = i965_shader_acquire_pattern (&glyphs.shader, &glyphs.shader.source, - &_cairo_pattern_white.base, - &extents.bounded); - if (unlikely (status)) { - cairo_surface_destroy (&mask->intel.drm.base); - return status; - } - - mask_x = -extents.bounded.x; - mask_y = -extents.bounded.y; - } else { - i965_shader_init (&glyphs.shader, surface, op); - - status = i965_shader_acquire_pattern (&glyphs.shader, &glyphs.shader.source, - source, &extents.bounded); - if (unlikely (status)) - return status; - - if (clip != NULL) { - status = _cairo_clip_get_region (clip, &clip_region); - assert (status == CAIRO_STATUS_SUCCESS || status == CAIRO_INT_STATUS_UNSUPPORTED); - - if (status == CAIRO_INT_STATUS_UNSUPPORTED) - i965_shader_set_clip (&glyphs.shader, clip); - } - } - - glyphs.head.next = NULL; - glyphs.head.bo = NULL; - glyphs.head.count = 0; - glyphs.tail = &glyphs.head; - - device = i965_device (surface); - if (mask != NULL || clip_region == NULL) { - glyphs.get_rectangle = i965_glyphs_emit_rectangle; - } else { - glyphs.get_rectangle = i965_glyphs_accumulate_rectangle; - glyphs.head.bo = intel_bo_create (&device->intel, - I965_VERTEX_SIZE, I965_VERTEX_SIZE, - FALSE, I915_TILING_NONE, 0); - if (unlikely (glyphs.head.bo == NULL)) - return _cairo_error (CAIRO_STATUS_NO_MEMORY); - - glyphs.vbo_base = intel_bo_map (&device->intel, glyphs.head.bo); - } - glyphs.vbo_offset = 0; - - status = cairo_device_acquire (&device->intel.base.base); - if (unlikely (status)) - goto CLEANUP_GLYPHS; - - _cairo_scaled_font_freeze_cache (scaled_font); - //private = _cairo_scaled_font_get_device (scaled_font, device); - if (scaled_font->surface_private == NULL) { - scaled_font->surface_private = device; - scaled_font->surface_backend = surface->intel.drm.base.backend; - cairo_list_add (&scaled_font->link, &device->intel.fonts); - } - - memset (glyph_cache, 0, sizeof (glyph_cache)); - - for (i = 0; i < num_glyphs; i++) { - cairo_scaled_glyph_t *scaled_glyph; - int x, y, x1, x2, y1, y2; - int cache_index = g[i].index % ARRAY_LENGTH (glyph_cache); - intel_glyph_t *glyph; - - scaled_glyph = glyph_cache[cache_index]; - if (scaled_glyph == NULL || - _cairo_scaled_glyph_index (scaled_glyph) != g[i].index) - { - status = _cairo_scaled_glyph_lookup (scaled_font, - g[i].index, - CAIRO_SCALED_GLYPH_INFO_METRICS, - &scaled_glyph); - if (unlikely (status)) - goto FINISH; - - glyph_cache[cache_index] = scaled_glyph; - } - - if (unlikely (scaled_glyph->metrics.width == 0 || - scaled_glyph->metrics.height == 0)) - { - continue; - } - - /* XXX glyph images are snapped to pixel locations */ - x = _cairo_lround (g[i].x); - y = _cairo_lround (g[i].y); - - x1 = x + _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.x); - y1 = y + _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.y); - x2 = x + _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.x); - y2 = y + _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.y); - - if (x2 < extents.bounded.x || - y2 < extents.bounded.y || - x1 > extents.bounded.x + extents.bounded.width || - y1 > extents.bounded.y + extents.bounded.height) - { - continue; - } - - if (scaled_glyph->surface_private == NULL) { - status = intel_get_glyph (&device->intel, scaled_font, scaled_glyph); - if (unlikely (status == CAIRO_INT_STATUS_NOTHING_TO_DO)) { - status = CAIRO_STATUS_SUCCESS; - continue; - } - if (unlikely (status)) - goto FINISH; - } - glyph = intel_glyph_pin (scaled_glyph->surface_private); - - if (glyph->cache->buffer.bo != last_bo) { - intel_buffer_cache_t *cache = glyph->cache; - - glyphs.shader.mask.type.vertex = VS_GLYPHS; - glyphs.shader.mask.type.fragment = FS_GLYPHS; - glyphs.shader.mask.type.pattern = PATTERN_BASE; - - glyphs.shader.mask.base.bo = cache->buffer.bo; - glyphs.shader.mask.base.format = cache->buffer.format; - glyphs.shader.mask.base.width = cache->buffer.width; - glyphs.shader.mask.base.height = cache->buffer.height; - glyphs.shader.mask.base.stride = cache->buffer.stride; - glyphs.shader.mask.base.filter = i965_filter (CAIRO_FILTER_NEAREST); - glyphs.shader.mask.base.extend = i965_extend (CAIRO_EXTEND_NONE); - glyphs.shader.mask.base.content = CAIRO_CONTENT_ALPHA; /* XXX */ - - glyphs.shader.committed = FALSE; - status = i965_shader_commit (&glyphs.shader, device); - if (unlikely (status)) - goto FINISH; - - last_bo = cache->buffer.bo; - } - - x2 = x1 + glyph->width; - y2 = y1 + glyph->height; - - if (mask_x) - x1 += mask_x, x2 += mask_x; - if (mask_y) - y1 += mask_y, y2 += mask_y; - - i965_add_glyph_rectangle (&glyphs, x1, y1, x2, y2, glyph); - } - - if (mask != NULL && clip_region != NULL) - i965_clipped_vertices (device, &glyphs.head, clip_region); - - status = CAIRO_STATUS_SUCCESS; - FINISH: - _cairo_scaled_font_thaw_cache (scaled_font); - cairo_device_release (surface->intel.drm.base.device); - CLEANUP_GLYPHS: - i965_shader_fini (&glyphs.shader); - - if (glyphs.head.bo != NULL) { - struct i965_vbo *vbo, *next; - - intel_bo_destroy (&device->intel, glyphs.head.bo); - for (vbo = glyphs.head.next; vbo != NULL; vbo = next) { - next = vbo->next; - intel_bo_destroy (&device->intel, vbo->bo); - free (vbo); - } - } - - if (unlikely (status == CAIRO_INT_STATUS_UNSUPPORTED)) { - cairo_path_fixed_t path; - - _cairo_path_fixed_init (&path); - status = _cairo_scaled_font_glyph_path (scaled_font, - g + i, num_glyphs - i, - &path); - if (mask_x | mask_y) { - _cairo_path_fixed_translate (&path, - _cairo_fixed_from_int (mask_x), - _cairo_fixed_from_int (mask_y)); - } - if (likely (status == CAIRO_STATUS_SUCCESS)) { - status = surface->intel.drm.base.backend->fill (glyphs.shader.target, - glyphs.shader.op, - mask != NULL ? &_cairo_pattern_white.base : source, - &path, - CAIRO_FILL_RULE_WINDING, - 0, - scaled_font->options.antialias, - clip); - } - _cairo_path_fixed_fini (&path); - } - - if (mask != NULL) { - if (likely (status == CAIRO_STATUS_SUCCESS)) { - status = i965_surface_mask_internal (surface, op, source, mask, - clip, &extents); - } - cairo_surface_finish (&mask->intel.drm.base); - cairo_surface_destroy (&mask->intel.drm.base); - } - - if (have_clip) - _cairo_clip_fini (&local_clip); - - return status; -} |