gtk2/gsk/ngl/gskngliconlibrary.c
Matthias Clasen f88efb811b ngl: Reduce type checking overhead
No need to be very careful here, these are entirely
internal types.
2021-07-24 18:48:09 -04:00

217 lines
6.7 KiB
C

/* gskngliconlibrary.c
*
* Copyright 2020 Christian Hergert <chergert@redhat.com>
*
* This library 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 library 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 Lesser 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/gdkglcontextprivate.h>
#include <gdk/gdkmemorytextureprivate.h>
#include <gdk/gdkprofilerprivate.h>
#include <gdk/gdktextureprivate.h>
#include "gsknglcommandqueueprivate.h"
#include "gskngldriverprivate.h"
#include "gskngliconlibraryprivate.h"
struct _GskNglIconLibrary
{
GskNglTextureLibrary parent_instance;
};
G_DEFINE_TYPE (GskNglIconLibrary, gsk_ngl_icon_library, GSK_TYPE_GL_TEXTURE_LIBRARY)
GskNglIconLibrary *
gsk_ngl_icon_library_new (GskNglDriver *driver)
{
g_return_val_if_fail (GSK_IS_NGL_DRIVER (driver), NULL);
return g_object_new (GSK_TYPE_GL_ICON_LIBRARY,
"driver", driver,
NULL);
}
static void
gsk_ngl_icon_data_free (gpointer data)
{
GskNglIconData *icon_data = data;
g_clear_object (&icon_data->source_texture);
g_slice_free (GskNglIconData, icon_data);
}
static void
gsk_ngl_icon_library_class_init (GskNglIconLibraryClass *klass)
{
}
static void
gsk_ngl_icon_library_init (GskNglIconLibrary *self)
{
GskNglTextureLibrary *tl = (GskNglTextureLibrary *)self;
tl->max_entry_size = 128;
gsk_ngl_texture_library_set_funcs (tl,
NULL, NULL, NULL,
gsk_ngl_icon_data_free);
}
void
gsk_ngl_icon_library_add (GskNglIconLibrary *self,
GdkTexture *key,
const GskNglIconData **out_value)
{
GskNglTextureLibrary *tl = (GskNglTextureLibrary *)self;
G_GNUC_UNUSED gint64 start_time = GDK_PROFILER_CURRENT_TIME;
cairo_surface_t *surface;
GskNglIconData *icon_data;
guint8 *pixel_data;
guint8 *surface_data;
guint8 *free_data = NULL;
guint gl_format;
guint gl_type;
guint packed_x;
guint packed_y;
int width;
int height;
guint texture_id;
g_assert (GSK_IS_NGL_ICON_LIBRARY (self));
g_assert (GDK_IS_TEXTURE (key));
g_assert (out_value != NULL);
width = key->width;
height = key->height;
icon_data = gsk_ngl_texture_library_pack (tl,
key,
sizeof (GskNglIconData),
width, height, 1,
&packed_x, &packed_y);
icon_data->source_texture = g_object_ref (key);
/* actually upload the texture */
surface = gdk_texture_download_surface (key);
surface_data = cairo_image_surface_get_data (surface);
gdk_gl_context_push_debug_group_printf (gdk_gl_context_get_current (),
"Uploading texture");
if (gdk_gl_context_get_use_es (gdk_gl_context_get_current ()))
{
pixel_data = free_data = g_malloc (width * height * 4);
gdk_memory_convert (pixel_data, width * 4,
GDK_MEMORY_R8G8B8A8_PREMULTIPLIED,
surface_data, cairo_image_surface_get_stride (surface),
GDK_MEMORY_DEFAULT, width, height);
gl_format = GL_RGBA;
gl_type = GL_UNSIGNED_BYTE;
}
else
{
pixel_data = surface_data;
gl_format = GL_BGRA;
gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
}
texture_id = GSK_NGL_TEXTURE_ATLAS_ENTRY_TEXTURE (icon_data);
glBindTexture (GL_TEXTURE_2D, texture_id);
glTexSubImage2D (GL_TEXTURE_2D, 0,
packed_x + 1, packed_y + 1,
width, height,
gl_format, gl_type,
pixel_data);
/* Padding top */
glTexSubImage2D (GL_TEXTURE_2D, 0,
packed_x + 1, packed_y,
width, 1,
gl_format, gl_type,
pixel_data);
/* Padding left */
glTexSubImage2D (GL_TEXTURE_2D, 0,
packed_x, packed_y + 1,
1, height,
gl_format, gl_type,
pixel_data);
/* Padding top left */
glTexSubImage2D (GL_TEXTURE_2D, 0,
packed_x, packed_y,
1, 1,
gl_format, gl_type,
pixel_data);
/* Padding right */
glPixelStorei (GL_UNPACK_ROW_LENGTH, width);
glPixelStorei (GL_UNPACK_SKIP_PIXELS, width - 1);
glTexSubImage2D (GL_TEXTURE_2D, 0,
packed_x + width + 1, packed_y + 1,
1, height,
gl_format, gl_type,
pixel_data);
/* Padding top right */
glTexSubImage2D (GL_TEXTURE_2D, 0,
packed_x + width + 1, packed_y,
1, 1,
gl_format, gl_type,
pixel_data);
/* Padding bottom */
glPixelStorei (GL_UNPACK_SKIP_PIXELS, 0);
glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
glPixelStorei (GL_UNPACK_SKIP_ROWS, height - 1);
glTexSubImage2D (GL_TEXTURE_2D, 0,
packed_x + 1, packed_y + 1 + height,
width, 1,
gl_format, gl_type,
pixel_data);
/* Padding bottom left */
glTexSubImage2D (GL_TEXTURE_2D, 0,
packed_x, packed_y + 1 + height,
1, 1,
gl_format, gl_type,
pixel_data);
/* Padding bottom right */
glPixelStorei (GL_UNPACK_ROW_LENGTH, width);
glPixelStorei (GL_UNPACK_SKIP_PIXELS, width - 1);
glTexSubImage2D (GL_TEXTURE_2D, 0,
packed_x + 1 + width, packed_y + 1 + height,
1, 1,
gl_format, gl_type,
pixel_data);
/* Reset this */
glPixelStorei (GL_UNPACK_SKIP_PIXELS, 0);
glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
glPixelStorei (GL_UNPACK_SKIP_ROWS, 0);
gdk_gl_context_pop_debug_group (gdk_gl_context_get_current ());
*out_value = icon_data;
cairo_surface_destroy (surface);
g_free (free_data);
tl->driver->command_queue->n_uploads++;
if (gdk_profiler_is_running ())
{
char message[64];
g_snprintf (message, sizeof message, "Size %dx%d", width, height);
gdk_profiler_add_mark (start_time, GDK_PROFILER_CURRENT_TIME-start_time, "Upload Icon", message);
}
}