| 0,0 → 1,164 |
|---|
| /* cairo - a vector graphics library with display and print output |
| * |
| * 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.og/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. |
| * |
| * Contributor(s): |
| * Robert Bragg <robert@linux.intel.com> |
| */ |
| |
| #ifndef CAIRO_COGL_PRIVATE_H |
| #define CAIRO_COGL_PRIVATE_H |
| |
| #include "cairo-device-private.h" |
| #include "cairo-cache-private.h" |
| #include "cairo-backend-private.h" |
| #include "cairo-default-context-private.h" |
| #include "cairo-surface-private.h" |
| |
| #include <cogl/cogl2-experimental.h> |
| |
| typedef enum _cairo_cogl_template_type { |
| CAIRO_COGL_TEMPLATE_TYPE_SOLID, |
| CAIRO_COGL_TEMPLATE_TYPE_TEXTURE, |
| CAIRO_COGL_TEMPLATE_TYPE_MASK_SOLID, |
| CAIRO_COGL_TEMPLATE_TYPE_MASK_TEXTURE, |
| CAIRO_COGL_TEMPLATE_TYPE_COUNT |
| } cairo_cogl_template_type; |
| |
| typedef struct _cairo_cogl_device { |
| cairo_device_t base; |
| |
| cairo_bool_t backend_vtable_initialized; |
| cairo_backend_t backend; |
| |
| /* We save a copy of all the original backend methods that we override so |
| * we can chain up... |
| */ |
| cairo_backend_t backend_parent; |
| |
| CoglContext *cogl_context; |
| |
| CoglTexture *dummy_texture; |
| |
| /* This is a sparsely filled set of templates because we don't support |
| * the full range of operators that cairo has. All entries corresponding |
| * to unsupported operators are NULL. |
| * |
| * The CAIRO_OPERATOR_ADD is the operator enum with the highest value that |
| * we support so we at least cap the size of the array by that. |
| * |
| * For each operator we have a template for when we have a solid source |
| * and another for each texture format that could be used as a source. |
| */ |
| CoglPipeline *template_pipelines[CAIRO_OPERATOR_ADD + 1][CAIRO_COGL_TEMPLATE_TYPE_COUNT]; |
| |
| CoglMatrix identity; |
| |
| /* Caches 1d linear gradient textures */ |
| cairo_cache_t linear_cache; |
| |
| cairo_cache_t path_fill_staging_cache; |
| cairo_cache_t path_fill_prim_cache; |
| cairo_cache_t path_stroke_staging_cache; |
| cairo_cache_t path_stroke_prim_cache; |
| } cairo_cogl_device_t; |
| |
| typedef struct _cairo_cogl_clip_primitives { |
| cairo_t *clip; |
| CoglPrimitive **primitives; |
| } cairo_cogl_clip_primitives_t; |
| |
| typedef struct _cairo_cogl_surface { |
| cairo_surface_t base; |
| |
| CoglPixelFormat cogl_format; |
| cairo_bool_t ignore_alpha; |
| |
| /* We currently have 3 basic kinds of Cogl surfaces: |
| * 1) A light surface simply wrapping a CoglTexture |
| * 2) A CoglOffscreen framebuffer that implicitly also wraps a CoglTexture |
| * 3) A CoglOnscreen framebuffer which could potentially be mapped to |
| * a CoglTexture (e.g. via tfp on X11) but we don't currently do |
| * that. |
| */ |
| |
| CoglTexture *texture; |
| CoglFramebuffer *framebuffer; |
| |
| int width; |
| int height; |
| |
| GQueue *journal; |
| |
| CoglAttributeBuffer *buffer_stack; |
| size_t buffer_stack_size; |
| size_t buffer_stack_offset; |
| guint8 *buffer_stack_pointer; |
| |
| cairo_clip_t *last_clip; |
| |
| /* A small fifo of recently used cairo_clip_ts paired with CoglPrimitives |
| * that can be used to mask the stencil buffer. */ |
| GList *clips_fifo; |
| |
| int n_clip_updates_per_frame; |
| |
| /* Since the surface backend drawing operator functions don't get |
| * passed the current cairo_t context we don't have a good way |
| * to get our user-coordinates path into our surface_fill function. |
| * |
| * For now we use our _cairo_cogl_context_fill() wrapper to set this |
| * side band data on the surface... |
| */ |
| cairo_path_fixed_t *user_path; |
| cairo_matrix_t *ctm; |
| cairo_matrix_t *ctm_inverse; |
| cairo_bool_t path_is_rectangle; |
| double path_rectangle_x; |
| double path_rectangle_y; |
| double path_rectangle_width; |
| double path_rectangle_height; |
| } cairo_cogl_surface_t; |
| |
| cairo_status_t |
| _cairo_cogl_path_fixed_rectangle (cairo_path_fixed_t *path, |
| cairo_fixed_t x, |
| cairo_fixed_t y, |
| cairo_fixed_t width, |
| cairo_fixed_t height); |
| |
| cairo_int_status_t |
| _cairo_cogl_surface_fill_rectangle (void *abstract_surface, |
| cairo_operator_t op, |
| const cairo_pattern_t *source, |
| double x, |
| double y, |
| double width, |
| double height, |
| cairo_matrix_t *ctm, |
| const cairo_clip_t *clip); |
| |
| #endif /* CAIRO_COGL_PRIVATE_H */ |