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/* Cairo - a vector graphics library with display and print output
*
* Copyright © 2009 Chris Wilson
*
* 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 Chris Wilson.
*/
#include "cairo-boilerplate-private.h"
#include <cairo-cogl.h>
#include <cogl/cogl2-experimental.h>
typedef struct _cogl_closure {
cairo_device_t *device;
CoglFramebuffer *fb;
cairo_surface_t *surface;
} cogl_closure_t;
static const cairo_user_data_key_t cogl_closure_key;
static CoglContext *context = NULL;
static void
_cairo_boilerplate_cogl_cleanup (void *abstract_closure)
{
cogl_closure_t *closure = abstract_closure;
cogl_object_unref (closure->fb);
cairo_device_finish (closure->device);
cairo_device_destroy (closure->device);
free (closure);
}
static cairo_surface_t *
_cairo_boilerplate_cogl_create_offscreen_color_surface (const char *name,
cairo_content_t content,
double width,
double height,
double max_width,
double max_height,
cairo_boilerplate_mode_t mode,
void **abstract_closure)
{
cairo_device_t *device;
CoglTexture *tex;
CoglHandle offscreen;
CoglFramebuffer *fb;
cogl_closure_t *closure;
cairo_status_t status;
if (!context)
context = cogl_context_new (NULL, NULL);
device = cairo_cogl_device_create (context);
tex = cogl_texture_new_with_size (width, height,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_BGRA_8888_PRE);
offscreen = cogl_offscreen_new_to_texture (tex);
fb = COGL_FRAMEBUFFER (offscreen);
cogl_framebuffer_allocate (fb, NULL);
cogl_push_framebuffer (fb);
cogl_ortho (0, cogl_framebuffer_get_width (fb),
cogl_framebuffer_get_height (fb), 0,
-1, 100);
cogl_pop_framebuffer ();
closure = malloc (sizeof (cogl_closure_t));
*abstract_closure = closure;
closure->device = device;
closure->fb = fb;
closure->surface = cairo_cogl_surface_create (device, fb);
status = cairo_surface_set_user_data (closure->surface,
&cogl_closure_key, closure, NULL);
if (status == CAIRO_STATUS_SUCCESS)
return closure->surface;
_cairo_boilerplate_cogl_cleanup (closure);
return cairo_boilerplate_surface_create_in_error (status);
}
static cairo_surface_t *
_cairo_boilerplate_cogl_create_onscreen_color_surface (const char *name,
cairo_content_t content,
double width,
double height,
double max_width,
double max_height,
cairo_boilerplate_mode_t mode,
void **abstract_closure)
{
cairo_device_t *device;
CoglOnscreen *onscreen;
CoglFramebuffer *fb;
cogl_closure_t *closure;
cairo_status_t status;
if (!context)
context = cogl_context_new (NULL, NULL);
device = cairo_cogl_device_create (context);
onscreen = cogl_onscreen_new (context, width, height);
fb = COGL_FRAMEBUFFER (onscreen);
cogl_onscreen_show (onscreen);
cogl_push_framebuffer (fb);
cogl_ortho (0, cogl_framebuffer_get_width (fb),
cogl_framebuffer_get_height (fb), 0,
-1, 100);
cogl_pop_framebuffer ();
closure = malloc (sizeof (cogl_closure_t));
*abstract_closure = closure;
closure->device = device;
closure->fb = fb;
closure->surface = cairo_cogl_surface_create (device, fb);
status = cairo_surface_set_user_data (closure->surface,
&cogl_closure_key, closure, NULL);
if (status == CAIRO_STATUS_SUCCESS)
return closure->surface;
_cairo_boilerplate_cogl_cleanup (closure);
return cairo_boilerplate_surface_create_in_error (status);
}
static cairo_status_t
_cairo_boilerplate_cogl_finish_onscreen (cairo_surface_t *surface)
{
cogl_closure_t *closure = cairo_surface_get_user_data (surface, &cogl_closure_key);
cairo_cogl_surface_end_frame (surface);
cogl_framebuffer_swap_buffers (closure->fb);
return CAIRO_STATUS_SUCCESS;
}
static void
_cairo_boilerplate_cogl_synchronize (void *abstract_closure)
{
cogl_closure_t *closure = abstract_closure;
cogl_framebuffer_finish (closure->fb);
}
static const cairo_boilerplate_target_t targets[] = {
{
"cogl-offscreen-color", "cogl", NULL, NULL,
CAIRO_SURFACE_TYPE_COGL, CAIRO_CONTENT_COLOR_ALPHA, 1,
"cairo_cogl_device_create",
_cairo_boilerplate_cogl_create_offscreen_color_surface,
cairo_surface_create_similar,
NULL, NULL,
_cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_cogl_cleanup,
_cairo_boilerplate_cogl_synchronize,
NULL,
TRUE, FALSE, FALSE
},
{
"cogl-onscreen-color", "cogl", NULL, NULL,
CAIRO_SURFACE_TYPE_COGL, CAIRO_CONTENT_COLOR_ALPHA, 1,
"cairo_cogl_device_create",
_cairo_boilerplate_cogl_create_onscreen_color_surface,
cairo_surface_create_similar,
NULL,
_cairo_boilerplate_cogl_finish_onscreen,
_cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_cogl_cleanup,
_cairo_boilerplate_cogl_synchronize,
NULL,
TRUE, FALSE, FALSE
}
};
CAIRO_BOILERPLATE (cogl, targets)