forked from AuroraMiddleware/gtk
102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/* gskgltexture.c
|
|
*
|
|
* Copyright 2020 Christian Hergert <chergert@redhat.com>
|
|
*
|
|
* This file is free software; you can redistribute it and/or modify it under
|
|
* the terms of the GNU Lesser General Public License as published by the Free
|
|
* Software Foundation; either version 2.1 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This file is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
|
* License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <gdk/gdktextureprivate.h>
|
|
|
|
#include "gskgltextureprivate.h"
|
|
#include "ninesliceprivate.h"
|
|
|
|
void
|
|
gsk_gl_texture_free (GskGLTexture *texture)
|
|
{
|
|
if (texture != NULL)
|
|
{
|
|
g_assert (texture->link.prev == NULL);
|
|
g_assert (texture->link.next == NULL);
|
|
|
|
if (texture->user)
|
|
g_clear_pointer (&texture->user, gdk_texture_clear_render_data);
|
|
|
|
if (texture->texture_id != 0)
|
|
{
|
|
glDeleteTextures (1, &texture->texture_id);
|
|
texture->texture_id = 0;
|
|
}
|
|
|
|
for (guint i = 0; i < texture->n_slices; i++)
|
|
{
|
|
glDeleteTextures (1, &texture->slices[i].texture_id);
|
|
texture->slices[i].texture_id = 0;
|
|
}
|
|
|
|
g_clear_pointer (&texture->slices, g_free);
|
|
g_clear_pointer (&texture->nine_slice, g_free);
|
|
|
|
g_slice_free (GskGLTexture, texture);
|
|
}
|
|
}
|
|
|
|
GskGLTexture *
|
|
gsk_gl_texture_new (guint texture_id,
|
|
int width,
|
|
int height,
|
|
int format,
|
|
int min_filter,
|
|
int mag_filter,
|
|
gint64 frame_id)
|
|
{
|
|
GskGLTexture *texture;
|
|
|
|
texture = g_slice_new0 (GskGLTexture);
|
|
texture->texture_id = texture_id;
|
|
texture->link.data = texture;
|
|
texture->min_filter = min_filter;
|
|
texture->mag_filter = mag_filter;
|
|
texture->format = format;
|
|
texture->width = width;
|
|
texture->height = height;
|
|
texture->last_used_in_frame = frame_id;
|
|
|
|
return texture;
|
|
}
|
|
|
|
const GskGLTextureNineSlice *
|
|
gsk_gl_texture_get_nine_slice (GskGLTexture *texture,
|
|
const GskRoundedRect *outline,
|
|
float extra_pixels_x,
|
|
float extra_pixels_y)
|
|
{
|
|
g_assert (texture != NULL);
|
|
g_assert (outline != NULL);
|
|
|
|
if G_UNLIKELY (texture->nine_slice == NULL)
|
|
{
|
|
texture->nine_slice = g_new0 (GskGLTextureNineSlice, 9);
|
|
|
|
nine_slice_rounded_rect (texture->nine_slice, outline);
|
|
nine_slice_grow (texture->nine_slice, extra_pixels_x, extra_pixels_y);
|
|
nine_slice_to_texture_coords (texture->nine_slice, texture->width, texture->height);
|
|
}
|
|
|
|
return texture->nine_slice;
|
|
}
|