forked from AuroraMiddleware/gtk
f88efb811b
No need to be very careful here, these are entirely internal types.
217 lines
6.7 KiB
C
217 lines
6.7 KiB
C
/* gskngliconlibrary.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 library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along 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/gdkglcontextprivate.h>
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#include <gdk/gdkmemorytextureprivate.h>
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#include <gdk/gdkprofilerprivate.h>
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#include <gdk/gdktextureprivate.h>
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#include "gsknglcommandqueueprivate.h"
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#include "gskngldriverprivate.h"
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#include "gskngliconlibraryprivate.h"
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struct _GskNglIconLibrary
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{
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GskNglTextureLibrary parent_instance;
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};
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G_DEFINE_TYPE (GskNglIconLibrary, gsk_ngl_icon_library, GSK_TYPE_GL_TEXTURE_LIBRARY)
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GskNglIconLibrary *
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gsk_ngl_icon_library_new (GskNglDriver *driver)
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{
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g_return_val_if_fail (GSK_IS_NGL_DRIVER (driver), NULL);
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return g_object_new (GSK_TYPE_GL_ICON_LIBRARY,
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"driver", driver,
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NULL);
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}
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static void
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gsk_ngl_icon_data_free (gpointer data)
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{
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GskNglIconData *icon_data = data;
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g_clear_object (&icon_data->source_texture);
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g_slice_free (GskNglIconData, icon_data);
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}
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static void
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gsk_ngl_icon_library_class_init (GskNglIconLibraryClass *klass)
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{
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}
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static void
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gsk_ngl_icon_library_init (GskNglIconLibrary *self)
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{
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GskNglTextureLibrary *tl = (GskNglTextureLibrary *)self;
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tl->max_entry_size = 128;
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gsk_ngl_texture_library_set_funcs (tl,
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NULL, NULL, NULL,
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gsk_ngl_icon_data_free);
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}
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void
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gsk_ngl_icon_library_add (GskNglIconLibrary *self,
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GdkTexture *key,
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const GskNglIconData **out_value)
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{
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GskNglTextureLibrary *tl = (GskNglTextureLibrary *)self;
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G_GNUC_UNUSED gint64 start_time = GDK_PROFILER_CURRENT_TIME;
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cairo_surface_t *surface;
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GskNglIconData *icon_data;
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guint8 *pixel_data;
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guint8 *surface_data;
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guint8 *free_data = NULL;
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guint gl_format;
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guint gl_type;
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guint packed_x;
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guint packed_y;
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int width;
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int height;
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guint texture_id;
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g_assert (GSK_IS_NGL_ICON_LIBRARY (self));
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g_assert (GDK_IS_TEXTURE (key));
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g_assert (out_value != NULL);
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width = key->width;
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height = key->height;
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icon_data = gsk_ngl_texture_library_pack (tl,
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key,
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sizeof (GskNglIconData),
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width, height, 1,
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&packed_x, &packed_y);
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icon_data->source_texture = g_object_ref (key);
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/* actually upload the texture */
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surface = gdk_texture_download_surface (key);
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surface_data = cairo_image_surface_get_data (surface);
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gdk_gl_context_push_debug_group_printf (gdk_gl_context_get_current (),
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"Uploading texture");
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if (gdk_gl_context_get_use_es (gdk_gl_context_get_current ()))
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{
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pixel_data = free_data = g_malloc (width * height * 4);
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gdk_memory_convert (pixel_data, width * 4,
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GDK_MEMORY_R8G8B8A8_PREMULTIPLIED,
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surface_data, cairo_image_surface_get_stride (surface),
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GDK_MEMORY_DEFAULT, width, height);
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gl_format = GL_RGBA;
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gl_type = GL_UNSIGNED_BYTE;
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}
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else
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{
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pixel_data = surface_data;
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gl_format = GL_BGRA;
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gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
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}
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texture_id = GSK_NGL_TEXTURE_ATLAS_ENTRY_TEXTURE (icon_data);
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glBindTexture (GL_TEXTURE_2D, texture_id);
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glTexSubImage2D (GL_TEXTURE_2D, 0,
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packed_x + 1, packed_y + 1,
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width, height,
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gl_format, gl_type,
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pixel_data);
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/* Padding top */
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glTexSubImage2D (GL_TEXTURE_2D, 0,
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packed_x + 1, packed_y,
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width, 1,
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gl_format, gl_type,
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pixel_data);
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/* Padding left */
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glTexSubImage2D (GL_TEXTURE_2D, 0,
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packed_x, packed_y + 1,
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1, height,
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gl_format, gl_type,
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pixel_data);
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/* Padding top left */
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glTexSubImage2D (GL_TEXTURE_2D, 0,
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packed_x, packed_y,
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1, 1,
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gl_format, gl_type,
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pixel_data);
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/* Padding right */
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glPixelStorei (GL_UNPACK_ROW_LENGTH, width);
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glPixelStorei (GL_UNPACK_SKIP_PIXELS, width - 1);
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glTexSubImage2D (GL_TEXTURE_2D, 0,
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packed_x + width + 1, packed_y + 1,
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1, height,
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gl_format, gl_type,
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pixel_data);
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/* Padding top right */
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glTexSubImage2D (GL_TEXTURE_2D, 0,
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packed_x + width + 1, packed_y,
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1, 1,
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gl_format, gl_type,
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pixel_data);
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/* Padding bottom */
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glPixelStorei (GL_UNPACK_SKIP_PIXELS, 0);
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glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
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glPixelStorei (GL_UNPACK_SKIP_ROWS, height - 1);
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glTexSubImage2D (GL_TEXTURE_2D, 0,
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packed_x + 1, packed_y + 1 + height,
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width, 1,
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gl_format, gl_type,
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pixel_data);
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/* Padding bottom left */
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glTexSubImage2D (GL_TEXTURE_2D, 0,
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packed_x, packed_y + 1 + height,
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1, 1,
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gl_format, gl_type,
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pixel_data);
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/* Padding bottom right */
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glPixelStorei (GL_UNPACK_ROW_LENGTH, width);
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glPixelStorei (GL_UNPACK_SKIP_PIXELS, width - 1);
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glTexSubImage2D (GL_TEXTURE_2D, 0,
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packed_x + 1 + width, packed_y + 1 + height,
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1, 1,
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gl_format, gl_type,
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pixel_data);
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/* Reset this */
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glPixelStorei (GL_UNPACK_SKIP_PIXELS, 0);
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glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
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glPixelStorei (GL_UNPACK_SKIP_ROWS, 0);
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gdk_gl_context_pop_debug_group (gdk_gl_context_get_current ());
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*out_value = icon_data;
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cairo_surface_destroy (surface);
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g_free (free_data);
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tl->driver->command_queue->n_uploads++;
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if (gdk_profiler_is_running ())
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{
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char message[64];
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g_snprintf (message, sizeof message, "Size %dx%d", width, height);
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gdk_profiler_add_mark (start_time, GDK_PROFILER_CURRENT_TIME-start_time, "Upload Icon", message);
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}
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}
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