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-rw-r--r--src/cairo-gl-traps-compositor.c531
1 files changed, 0 insertions, 531 deletions
diff --git a/src/cairo-gl-traps-compositor.c b/src/cairo-gl-traps-compositor.c
deleted file mode 100644
index 7938c5b20..000000000
--- a/src/cairo-gl-traps-compositor.c
+++ /dev/null
@@ -1,531 +0,0 @@
-/* cairo - a vector graphics library with display and print output
- *
- * Copyright © 2009 Eric Anholt
- * Copyright © 2009 Chris Wilson
- * Copyright © 2005,2010 Red Hat, Inc
- * Copyright © 2011 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):
- * Benjamin Otte <otte@gnome.org>
- * Carl Worth <cworth@cworth.org>
- * Chris Wilson <chris@chris-wilson.co.uk>
- * Eric Anholt <eric@anholt.net>
- */
-
-#include "cairoint.h"
-
-#include "cairo-gl-private.h"
-
-#include "cairo-composite-rectangles-private.h"
-#include "cairo-compositor-private.h"
-#include "cairo-default-context-private.h"
-#include "cairo-error-private.h"
-#include "cairo-image-surface-private.h"
-#include "cairo-spans-compositor-private.h"
-#include "cairo-surface-backend-private.h"
-#include "cairo-surface-offset-private.h"
-
-static cairo_int_status_t
-acquire (void *abstract_dst)
-{
- return CAIRO_STATUS_SUCCESS;
-}
-
-static cairo_int_status_t
-release (void *abstract_dst)
-{
- return CAIRO_STATUS_SUCCESS;
-}
-
-static cairo_int_status_t
-set_clip_region (void *_surface,
- cairo_region_t *region)
-{
- cairo_gl_surface_t *surface = _surface;
-
- surface->clip_region = region;
- return CAIRO_STATUS_SUCCESS;
-}
-
-static cairo_int_status_t
-draw_image_boxes (void *_dst,
- cairo_image_surface_t *image,
- cairo_boxes_t *boxes,
- int dx, int dy)
-{
- cairo_gl_surface_t *dst = _dst;
- struct _cairo_boxes_chunk *chunk;
- int i;
-
- for (chunk = &boxes->chunks; chunk; chunk = chunk->next) {
- for (i = 0; i < chunk->count; i++) {
- cairo_box_t *b = &chunk->base[i];
- int x = _cairo_fixed_integer_part (b->p1.x);
- int y = _cairo_fixed_integer_part (b->p1.y);
- int w = _cairo_fixed_integer_part (b->p2.x) - x;
- int h = _cairo_fixed_integer_part (b->p2.y) - y;
- cairo_status_t status;
-
- status = _cairo_gl_surface_draw_image (dst, image,
- x + dx, y + dy,
- w, h,
- x, y,
- TRUE);
- if (unlikely (status))
- return status;
- }
- }
-
- return CAIRO_STATUS_SUCCESS;
-}
-
-static void
-emit_aligned_boxes (cairo_gl_context_t *ctx,
- const cairo_boxes_t *boxes)
-{
- const struct _cairo_boxes_chunk *chunk;
- cairo_gl_emit_rect_t emit = _cairo_gl_context_choose_emit_rect (ctx);
- int i;
-
- for (chunk = &boxes->chunks; chunk; chunk = chunk->next) {
- for (i = 0; i < chunk->count; i++) {
- int x1 = _cairo_fixed_integer_part (chunk->base[i].p1.x);
- int y1 = _cairo_fixed_integer_part (chunk->base[i].p1.y);
- int x2 = _cairo_fixed_integer_part (chunk->base[i].p2.x);
- int y2 = _cairo_fixed_integer_part (chunk->base[i].p2.y);
- emit (ctx, x1, y1, x2, y2);
- }
- }
-}
-
-static cairo_int_status_t
-fill_boxes (void *_dst,
- cairo_operator_t op,
- const cairo_color_t *color,
- cairo_boxes_t *boxes)
-{
- cairo_gl_composite_t setup;
- cairo_gl_context_t *ctx;
- cairo_int_status_t status;
-
- status = _cairo_gl_composite_init (&setup, op, _dst, FALSE);
- if (unlikely (status))
- goto FAIL;
-
- _cairo_gl_composite_set_solid_source (&setup, color);
-
- status = _cairo_gl_composite_begin (&setup, &ctx);
- if (unlikely (status))
- goto FAIL;
-
- emit_aligned_boxes (ctx, boxes);
- status = _cairo_gl_context_release (ctx, CAIRO_STATUS_SUCCESS);
-
-FAIL:
- _cairo_gl_composite_fini (&setup);
- return status;
-}
-
-static cairo_int_status_t
-composite_boxes (void *_dst,
- cairo_operator_t op,
- cairo_surface_t *abstract_src,
- cairo_surface_t *abstract_mask,
- int src_x,
- int src_y,
- int mask_x,
- int mask_y,
- int dst_x,
- int dst_y,
- cairo_boxes_t *boxes,
- const cairo_rectangle_int_t *extents)
-{
- cairo_gl_composite_t setup;
- cairo_gl_context_t *ctx;
- cairo_int_status_t status;
-
- status = _cairo_gl_composite_init (&setup, op, _dst, FALSE);
- if (unlikely (status))
- goto FAIL;
-
- _cairo_gl_composite_set_source_operand (&setup,
- source_to_operand (abstract_src));
- _cairo_gl_operand_translate (&setup.src, dst_x-src_x, dst_y-src_y);
-
- _cairo_gl_composite_set_mask_operand (&setup,
- source_to_operand (abstract_mask));
- _cairo_gl_operand_translate (&setup.mask, dst_x-mask_x, dst_y-mask_y);
-
- status = _cairo_gl_composite_begin (&setup, &ctx);
- if (unlikely (status))
- goto FAIL;
-
- emit_aligned_boxes (ctx, boxes);
- status = _cairo_gl_context_release (ctx, CAIRO_STATUS_SUCCESS);
-
-FAIL:
- _cairo_gl_composite_fini (&setup);
- return status;
-}
-
-static cairo_int_status_t
-composite (void *_dst,
- cairo_operator_t op,
- cairo_surface_t *abstract_src,
- cairo_surface_t *abstract_mask,
- int src_x,
- int src_y,
- int mask_x,
- int mask_y,
- int dst_x,
- int dst_y,
- unsigned int width,
- unsigned int height)
-{
- cairo_gl_composite_t setup;
- cairo_gl_context_t *ctx;
- cairo_int_status_t status;
-
- status = _cairo_gl_composite_init (&setup, op, _dst, FALSE);
- if (unlikely (status))
- goto FAIL;
-
- _cairo_gl_composite_set_source_operand (&setup,
- source_to_operand (abstract_src));
- _cairo_gl_operand_translate (&setup.src, dst_x-src_x, dst_y-src_y);
-
- _cairo_gl_composite_set_mask_operand (&setup,
- source_to_operand (abstract_mask));
- _cairo_gl_operand_translate (&setup.mask, dst_x-mask_x, dst_y-mask_y);
-
- status = _cairo_gl_composite_begin (&setup, &ctx);
- if (unlikely (status))
- goto FAIL;
-
- /* XXX clip */
- _cairo_gl_context_emit_rect (ctx, dst_x, dst_y, dst_x+width, dst_y+height);
- status = _cairo_gl_context_release (ctx, CAIRO_STATUS_SUCCESS);
-
-FAIL:
- _cairo_gl_composite_fini (&setup);
- return status;
-}
-
-static cairo_int_status_t
-lerp (void *dst,
- cairo_surface_t *src,
- cairo_surface_t *mask,
- int src_x,
- int src_y,
- int mask_x,
- int mask_y,
- int dst_x,
- int dst_y,
- unsigned int width,
- unsigned int height)
-{
- cairo_int_status_t status;
-
- /* we could avoid some repetition... */
- status = composite (dst, CAIRO_OPERATOR_DEST_OUT, mask, NULL,
- mask_x, mask_y,
- 0, 0,
- dst_x, dst_y,
- width, height);
- if (unlikely (status))
- return status;
-
- status = composite (dst, CAIRO_OPERATOR_ADD, src, mask,
- src_x, src_y,
- mask_x, mask_y,
- dst_x, dst_y,
- width, height);
- if (unlikely (status))
- return status;
-
- return CAIRO_STATUS_SUCCESS;
-}
-
-static cairo_int_status_t
-traps_to_operand (void *_dst,
- const cairo_rectangle_int_t *extents,
- cairo_antialias_t antialias,
- cairo_traps_t *traps,
- cairo_gl_operand_t *operand,
- int dst_x, int dst_y)
-{
- pixman_format_code_t pixman_format;
- pixman_image_t *pixman_image;
- cairo_surface_t *image, *mask;
- cairo_surface_pattern_t pattern;
- cairo_status_t status;
-
- pixman_format = antialias != CAIRO_ANTIALIAS_NONE ? PIXMAN_a8 : PIXMAN_a1;
- pixman_image = pixman_image_create_bits (pixman_format,
- extents->width,
- extents->height,
- NULL, 0);
- if (unlikely (pixman_image == NULL))
- return _cairo_error (CAIRO_STATUS_NO_MEMORY);
-
- _pixman_image_add_traps (pixman_image, extents->x, extents->y, traps);
- image = _cairo_image_surface_create_for_pixman_image (pixman_image,
- pixman_format);
- if (unlikely (image->status)) {
- pixman_image_unref (pixman_image);
- return image->status;
- }
-
- mask = _cairo_surface_create_scratch (_dst,
- CAIRO_CONTENT_COLOR_ALPHA,
- extents->width,
- extents->height,
- NULL);
- if (unlikely (mask->status)) {
- cairo_surface_destroy (image);
- return mask->status;
- }
-
- status = _cairo_gl_surface_draw_image ((cairo_gl_surface_t *)mask,
- (cairo_image_surface_t *)image,
- 0, 0,
- extents->width, extents->height,
- 0, 0,
- TRUE);
- cairo_surface_destroy (image);
-
- if (unlikely (status))
- goto error;
-
- _cairo_pattern_init_for_surface (&pattern, mask);
- cairo_matrix_init_translate (&pattern.base.matrix,
- -extents->x+dst_x, -extents->y+dst_y);
- pattern.base.filter = CAIRO_FILTER_NEAREST;
- pattern.base.extend = CAIRO_EXTEND_NONE;
- status = _cairo_gl_operand_init (operand, &pattern.base, _dst,
- &_cairo_unbounded_rectangle,
- &_cairo_unbounded_rectangle,
- FALSE);
- _cairo_pattern_fini (&pattern.base);
-
- if (unlikely (status))
- goto error;
-
- operand->texture.owns_surface = (cairo_gl_surface_t *)mask;
- return CAIRO_STATUS_SUCCESS;
-
-error:
- cairo_surface_destroy (mask);
- return status;
-}
-
-static cairo_int_status_t
-composite_traps (void *_dst,
- cairo_operator_t op,
- cairo_surface_t *abstract_src,
- int src_x,
- int src_y,
- int dst_x,
- int dst_y,
- const cairo_rectangle_int_t *extents,
- cairo_antialias_t antialias,
- cairo_traps_t *traps)
-{
- cairo_gl_composite_t setup;
- cairo_gl_context_t *ctx;
- cairo_int_status_t status;
-
- status = _cairo_gl_composite_init (&setup, op, _dst, FALSE);
- if (unlikely (status))
- goto FAIL;
-
- _cairo_gl_composite_set_source_operand (&setup,
- source_to_operand (abstract_src));
- _cairo_gl_operand_translate (&setup.src, -src_x-dst_x, -src_y-dst_y);
- status = traps_to_operand (_dst, extents, antialias, traps, &setup.mask, dst_x, dst_y);
- if (unlikely (status))
- goto FAIL;
-
- status = _cairo_gl_composite_begin (&setup, &ctx);
- if (unlikely (status))
- goto FAIL;
-
- /* XXX clip */
- _cairo_gl_context_emit_rect (ctx,
- extents->x-dst_x, extents->y-dst_y,
- extents->x-dst_x+extents->width,
- extents->y-dst_y+extents->height);
- status = _cairo_gl_context_release (ctx, CAIRO_STATUS_SUCCESS);
-
-FAIL:
- _cairo_gl_composite_fini (&setup);
- return status;
-}
-
-static cairo_gl_surface_t *
-tristrip_to_surface (void *_dst,
- const cairo_rectangle_int_t *extents,
- cairo_antialias_t antialias,
- cairo_tristrip_t *strip)
-{
- pixman_format_code_t pixman_format;
- pixman_image_t *pixman_image;
- cairo_surface_t *image, *mask;
- cairo_status_t status;
-
- pixman_format = antialias != CAIRO_ANTIALIAS_NONE ? PIXMAN_a8 : PIXMAN_a1,
- pixman_image = pixman_image_create_bits (pixman_format,
- extents->width,
- extents->height,
- NULL, 0);
- if (unlikely (pixman_image == NULL))
- return (cairo_gl_surface_t *)_cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
-
- _pixman_image_add_tristrip (pixman_image, extents->x, extents->y, strip);
- image = _cairo_image_surface_create_for_pixman_image (pixman_image,
- pixman_format);
- if (unlikely (image->status)) {
- pixman_image_unref (pixman_image);
- return (cairo_gl_surface_t *)image;
- }
-
- mask = _cairo_surface_create_scratch (_dst,
- CAIRO_CONTENT_COLOR_ALPHA,
- extents->width,
- extents->height,
- NULL);
- if (unlikely (mask->status)) {
- cairo_surface_destroy (image);
- return (cairo_gl_surface_t *)mask;
- }
-
- status = _cairo_gl_surface_draw_image ((cairo_gl_surface_t *)mask,
- (cairo_image_surface_t *)image,
- 0, 0,
- extents->width, extents->height,
- 0, 0,
- TRUE);
- cairo_surface_destroy (image);
- if (unlikely (status)) {
- cairo_surface_destroy (mask);
- return (cairo_gl_surface_t*)_cairo_surface_create_in_error (status);
- }
-
- return (cairo_gl_surface_t*)mask;
-}
-
-static cairo_int_status_t
-composite_tristrip (void *_dst,
- cairo_operator_t op,
- cairo_surface_t *abstract_src,
- int src_x,
- int src_y,
- int dst_x,
- int dst_y,
- const cairo_rectangle_int_t *extents,
- cairo_antialias_t antialias,
- cairo_tristrip_t *strip)
-{
- cairo_gl_composite_t setup;
- cairo_gl_context_t *ctx;
- cairo_gl_surface_t *mask;
- cairo_int_status_t status;
-
- mask = tristrip_to_surface (_dst, extents, antialias, strip);
- if (unlikely (mask->base.status))
- return mask->base.status;
-
- status = _cairo_gl_composite_init (&setup, op, _dst, FALSE);
- if (unlikely (status))
- goto FAIL;
-
- _cairo_gl_composite_set_source_operand (&setup,
- source_to_operand (abstract_src));
-
- //_cairo_gl_composite_set_mask_surface (&setup, mask, 0, 0);
-
- status = _cairo_gl_composite_begin (&setup, &ctx);
- if (unlikely (status))
- goto FAIL;
-
- /* XXX clip */
- _cairo_gl_context_emit_rect (ctx,
- dst_x, dst_y,
- dst_x+extents->width,
- dst_y+extents->height);
- status = _cairo_gl_context_release (ctx, CAIRO_STATUS_SUCCESS);
-
-FAIL:
- _cairo_gl_composite_fini (&setup);
- cairo_surface_destroy (&mask->base);
- return status;
-}
-
-static cairo_int_status_t
-check_composite (const cairo_composite_rectangles_t *extents)
-{
- if (! _cairo_gl_operator_is_supported (extents->op))
- return UNSUPPORTED ("unsupported operator");
-
- return CAIRO_STATUS_SUCCESS;
-}
-
-const cairo_compositor_t *
-_cairo_gl_traps_compositor_get (void)
-{
- static cairo_atomic_once_t once = CAIRO_ATOMIC_ONCE_INIT;
- static cairo_traps_compositor_t compositor;
-
- if (_cairo_atomic_init_once_enter(&once)) {
- _cairo_traps_compositor_init (&compositor, &_cairo_fallback_compositor);
- compositor.acquire = acquire;
- compositor.release = release;
- compositor.set_clip_region = set_clip_region;
- compositor.pattern_to_surface = _cairo_gl_pattern_to_source;
- compositor.draw_image_boxes = draw_image_boxes;
- //compositor.copy_boxes = copy_boxes;
- compositor.fill_boxes = fill_boxes;
- compositor.check_composite = check_composite;
- compositor.composite = composite;
- compositor.lerp = lerp;
- //compositor.check_composite_boxes = check_composite_boxes;
- compositor.composite_boxes = composite_boxes;
- //compositor.check_composite_traps = check_composite_traps;
- compositor.composite_traps = composite_traps;
- //compositor.check_composite_tristrip = check_composite_traps;
- compositor.composite_tristrip = composite_tristrip;
- compositor.check_composite_glyphs = _cairo_gl_check_composite_glyphs;
- compositor.composite_glyphs = _cairo_gl_composite_glyphs;
-
- _cairo_atomic_init_once_leave(&once);
- }
-
- return &compositor.base;
-}
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