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b5345b7f25
Instead of uploading a texture once per filter, ensure textures are uploaded as little as possible and use samplers instead to switch different filters. Sometimes we have to reupload a texture unfortunately, when it is an external one and we want to create mipmaps.
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/* gskgltexture.c
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*
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* Copyright 2020 Christian Hergert <chergert@redhat.com>
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*
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* This file is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "config.h"
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#include <gdk/gdktextureprivate.h>
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#include "gskgltextureprivate.h"
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#include "ninesliceprivate.h"
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void
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gsk_gl_texture_free (GskGLTexture *texture)
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{
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if (texture != NULL)
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{
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g_assert (texture->link.prev == NULL);
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g_assert (texture->link.next == NULL);
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if (texture->user)
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g_clear_pointer (&texture->user, gdk_texture_clear_render_data);
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if (texture->texture_id != 0)
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{
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glDeleteTextures (1, &texture->texture_id);
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texture->texture_id = 0;
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}
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for (guint i = 0; i < texture->n_slices; i++)
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{
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glDeleteTextures (1, &texture->slices[i].texture_id);
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texture->slices[i].texture_id = 0;
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}
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g_clear_pointer (&texture->slices, g_free);
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g_clear_pointer (&texture->nine_slice, g_free);
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g_free (texture);
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}
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}
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GskGLTexture *
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gsk_gl_texture_new (guint texture_id,
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int width,
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int height,
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gint64 frame_id)
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{
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GskGLTexture *texture;
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texture = g_new0 (GskGLTexture, 1);
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texture->texture_id = texture_id;
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texture->link.data = texture;
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texture->width = width;
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texture->height = height;
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texture->last_used_in_frame = frame_id;
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return texture;
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}
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const GskGLTextureNineSlice *
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gsk_gl_texture_get_nine_slice (GskGLTexture *texture,
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const GskRoundedRect *outline,
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float extra_pixels_x,
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float extra_pixels_y)
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{
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g_assert (texture != NULL);
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g_assert (outline != NULL);
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if G_UNLIKELY (texture->nine_slice == NULL)
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{
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texture->nine_slice = g_new0 (GskGLTextureNineSlice, 9);
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nine_slice_rounded_rect (texture->nine_slice, outline);
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nine_slice_grow (texture->nine_slice, extra_pixels_x, extra_pixels_y);
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nine_slice_to_texture_coords (texture->nine_slice, texture->width, texture->height);
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}
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return texture->nine_slice;
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}
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