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author | Matthias Clasen <mclasen@redhat.com> | 2023-03-10 23:38:50 +0000 |
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committer | Matthias Clasen <mclasen@redhat.com> | 2023-03-10 23:38:50 +0000 |
commit | bf1a5d99cfd119c8c64228d0470a802e9fdabd83 (patch) | |
tree | 5706831476ecc6c38c9b41754ec0380437fa8cfc | |
parent | 4014e956cdd15867c0ac70071fc1eef120c89559 (diff) | |
parent | 89d131de561b02d0f022426e8541738391463d76 (diff) | |
download | gtk+-bf1a5d99cfd119c8c64228d0470a802e9fdabd83.tar.gz |
Merge branch 'cache-scaled-texture' into 'main'
gsk: Cache scaled texture
Closes #5642
See merge request GNOME/gtk!5633
-rw-r--r-- | demos/gtk-demo/menu.c | 81 | ||||
-rw-r--r-- | gsk/gl/gskglrenderjob.c | 15 |
2 files changed, 88 insertions, 8 deletions
diff --git a/demos/gtk-demo/menu.c b/demos/gtk-demo/menu.c index 63610632c0..1669df9bb4 100644 --- a/demos/gtk-demo/menu.c +++ b/demos/gtk-demo/menu.c @@ -1,18 +1,75 @@ -/* Menu - * #Keywords: action, zoom - * - * Demonstrates how to add a context menu to a custom widget - * and connect it with widget actions. +/* Image Scaling + * #Keywords: zoom, scale, filter, action, menu * * The custom widget we create here is similar to a GtkPicture, - * but allows setting a zoom level for the displayed paintable. + * but allows setting a zoom level and filtering mode for the + * displayed paintable. + * + * It also demonstrates how to add a context menu to a custom + * widget and connect it with widget actions. * - * Our context menu has items to change the zoom level. + * The context menu has items to change the zoom level. */ #include <gtk/gtk.h> #include "demo3widget.h" +static void +file_opened (GObject *source, + GAsyncResult *result, + void *data) +{ + GFile *file; + GError *error = NULL; + GdkTexture *texture; + + file = gtk_file_dialog_open_finish (GTK_FILE_DIALOG (source), result, &error); + + if (!file) + { + g_print ("%s\n", error->message); + g_error_free (error); + return; + } + + texture = gdk_texture_new_from_file (file, &error); + g_object_unref (file); + if (!texture) + { + g_print ("%s\n", error->message); + g_error_free (error); + return; + } + + g_object_set (G_OBJECT (data), "texture", texture, NULL); + g_object_unref (texture); +} + +static void +open_file (GtkWidget *picker, + GtkWidget *demo) +{ + GtkWindow *parent = GTK_WINDOW (gtk_widget_get_root (picker)); + GtkFileDialog *dialog; + GtkFileFilter *filter; + GListStore *filters; + + dialog = gtk_file_dialog_new (); + + filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, "Images"); + gtk_file_filter_add_pixbuf_formats (filter); + filters = g_list_store_new (GTK_TYPE_FILE_FILTER); + g_list_store_append (filters, filter); + g_object_unref (filter); + + gtk_file_dialog_set_filters (dialog, G_LIST_MODEL (filters)); + g_object_unref (filters); + + gtk_file_dialog_open (dialog, parent, NULL, file_opened, demo); + + g_object_unref (dialog); +} GtkWidget * do_menu (GtkWidget *do_widget) @@ -27,9 +84,10 @@ do_menu (GtkWidget *do_widget) GtkWidget *widget; GtkWidget *scale; GtkWidget *dropdown; + GtkWidget *button; window = gtk_window_new (); - gtk_window_set_title (GTK_WINDOW (window), "Menu"); + gtk_window_set_title (GTK_WINDOW (window), "Image Scaling"); gtk_window_set_default_size (GTK_WINDOW (window), 600, 400); gtk_window_set_display (GTK_WINDOW (window), gtk_widget_get_display (do_widget)); @@ -48,12 +106,19 @@ do_menu (GtkWidget *do_widget) box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); gtk_box_append (GTK_BOX (box), box2); + button = gtk_button_new_from_icon_name ("document-open-symbolic"); + gtk_widget_set_tooltip_text (button, "Open File"); + g_signal_connect (button, "clicked", G_CALLBACK (open_file), widget); + gtk_box_append (GTK_BOX (box2), button); + scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0.01, 10.0, 0.1); + gtk_widget_set_tooltip_text (scale, "Zoom"); gtk_range_set_value (GTK_RANGE (scale), 1.0); gtk_widget_set_hexpand (scale, TRUE); gtk_box_append (GTK_BOX (box2), scale); dropdown = gtk_drop_down_new (G_LIST_MODEL (gtk_string_list_new ((const char *[]){ "Linear", "Nearest", "Trilinear", NULL })), NULL); + gtk_widget_set_tooltip_text (dropdown, "Filter"); gtk_box_append (GTK_BOX (box2), dropdown); g_object_bind_property (dropdown, "selected", widget, "filter", G_BINDING_DEFAULT); diff --git a/gsk/gl/gskglrenderjob.c b/gsk/gl/gskglrenderjob.c index 1fcd13a1e2..433e38638c 100644 --- a/gsk/gl/gskglrenderjob.c +++ b/gsk/gl/gskglrenderjob.c @@ -3640,6 +3640,7 @@ gsk_gl_render_job_visit_texture_scale_node (GskGLRenderJob *job, guint prev_fbo; guint texture_id; float u0, u1, v0, v1; + GskTextureKey key; gsk_gl_render_job_untransform_bounds (job, &job->current_clip->rect.bounds, &clip_rect); if (!graphene_rect_intersection (bounds, &clip_rect, &clip_rect)) @@ -3652,6 +3653,17 @@ gsk_gl_render_job_visit_texture_scale_node (GskGLRenderJob *job, return; } + key.pointer = node; + key.pointer_is_child = TRUE; + key.parent_rect = clip_rect; + key.scale_x = 1.; + key.scale_y = 1.; + key.filter = min_filter; + + texture_id = gsk_gl_driver_lookup_texture (job->driver, &key); + if (texture_id != 0) + goto render_texture; + viewport = GRAPHENE_RECT_INIT (0, 0, clip_rect.size.width, clip_rect.size.height); @@ -3707,6 +3719,9 @@ gsk_gl_render_job_visit_texture_scale_node (GskGLRenderJob *job, texture_id = gsk_gl_driver_release_render_target (job->driver, render_target, FALSE); + gsk_gl_driver_cache_texture (job->driver, &key, texture_id); + +render_texture: gsk_gl_render_job_begin_draw (job, CHOOSE_PROGRAM (job, blit)); gsk_gl_program_set_uniform_texture (job->current_program, UNIFORM_SHARED_SOURCE, 0, |