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texturebuilder: Add ::udpate-region and ::update-texture

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This commit is contained in:
Benjamin Otte 2023-04-28 05:40:14 +02:00
parent 1883035d34
commit 6506a3bc9c
3 changed files with 176 additions and 0 deletions
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17
gdk/gdkgltexture.c
View File

@ -338,6 +338,7 @@ gdk_gl_texture_new_from_builder (GdkGLTextureBuilder *builder,
gpointer data)
{
GdkGLTexture *self;
GdkTexture *update_texture;
self = g_object_new (GDK_TYPE_GL_TEXTURE,
"width", gdk_gl_texture_builder_get_width (builder),
@ -353,6 +354,22 @@ gdk_gl_texture_new_from_builder (GdkGLTextureBuilder *builder,
self->destroy = destroy;
self->data = data;
update_texture = gdk_gl_texture_builder_get_update_texture (builder);
if (update_texture)
{
cairo_region_t *update_region = gdk_gl_texture_builder_get_update_region (builder);
if (update_region)
{
update_region = cairo_region_copy (update_region);
cairo_region_intersect_rectangle (update_region,
&(cairo_rectangle_int_t) {
0, 0,
update_texture->width, update_texture->height
});
gdk_texture_set_diff (GDK_TEXTURE (self), update_texture, update_region);
}
}
return GDK_TEXTURE (self);
}

147
gdk/gdkgltexturebuilder.c
View File

@ -25,6 +25,8 @@
#include "gdkglcontext.h"
#include "gdkgltextureprivate.h"
#include <cairo-gobject.h>
struct _GdkGLTextureBuilder
{
GObject parent_instance;
@ -36,6 +38,9 @@ struct _GdkGLTextureBuilder
GdkMemoryFormat format;
gboolean has_mipmap;
gpointer sync;
GdkTexture *update_texture;
cairo_region_t *update_region;
};
struct _GdkGLTextureBuilderClass
@ -70,6 +75,8 @@ enum
PROP_HEIGHT,
PROP_ID,
PROP_SYNC,
PROP_UPDATE_REGION,
PROP_UPDATE_TEXTURE,
PROP_WIDTH,
N_PROPS
@ -86,6 +93,9 @@ gdk_gl_texture_builder_dispose (GObject *object)
g_clear_object (&self->context);
g_clear_object (&self->update_texture);
g_clear_pointer (&self->update_region, cairo_region_destroy);
G_OBJECT_CLASS (gdk_gl_texture_builder_parent_class)->dispose (object);
}
@ -123,6 +133,14 @@ gdk_gl_texture_builder_get_property (GObject *object,
g_value_set_pointer (value, self->sync);
break;
case PROP_UPDATE_REGION:
g_value_set_boxed (value, self->update_region);
break;
case PROP_UPDATE_TEXTURE:
g_value_set_object (value, self->update_texture);
break;
case PROP_WIDTH:
g_value_set_int (value, self->width);
break;
@ -167,6 +185,14 @@ gdk_gl_texture_builder_set_property (GObject *object,
gdk_gl_texture_builder_set_sync (self, g_value_get_pointer (value));
break;
case PROP_UPDATE_REGION:
gdk_gl_texture_builder_set_update_region (self, g_value_get_boxed (value));
break;
case PROP_UPDATE_TEXTURE:
gdk_gl_texture_builder_set_update_texture (self, g_value_get_object (value));
break;
case PROP_WIDTH:
gdk_gl_texture_builder_set_width (self, g_value_get_int (value));
break;
@ -260,6 +286,30 @@ gdk_gl_texture_builder_class_init (GdkGLTextureBuilderClass *klass)
g_param_spec_pointer ("sync", NULL, NULL,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GdkGLTextureBuilder:update-region: (attributes org.gdk.Property.get=gdk_gl_texture_builder_get_update_region org.gdk.Property.set=gdk_gl_texture_builder_set_update_region)
*
* The update region for [property@Gdk.GLTextureBuilder:update-texture].
*
* Since: 4.12
*/
properties[PROP_UPDATE_REGION] =
g_param_spec_boxed ("update-region", NULL, NULL,
CAIRO_GOBJECT_TYPE_REGION,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GdkGLTextureBuilder:update-texture: (attributes org.gdk.Property.get=gdk_gl_texture_builder_get_update_texture org.gdk.Property.set=gdk_gl_texture_builder_set_update_texture)
*
* The texture [property@Gdk.GLTextureBuilder:update-region] is an update for.
*
* Since: 4.12
*/
properties[PROP_UPDATE_TEXTURE] =
g_param_spec_object ("update-texture", NULL, NULL,
GDK_TYPE_TEXTURE,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GdkGLTextureBuilder:width: (attributes org.gdk.Property.get=gdk_gl_texture_builder_get_width org.gdk.Property.set=gdk_gl_texture_builder_set_width)
*
@ -271,6 +321,7 @@ gdk_gl_texture_builder_class_init (GdkGLTextureBuilderClass *klass)
g_param_spec_int ("width", NULL, NULL,
G_MININT, G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, N_PROPS, properties);
}
@ -613,6 +664,102 @@ gdk_gl_texture_builder_set_format (GdkGLTextureBuilder *self,
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_FORMAT]);
}
/**
* gdk_gl_texture_builder_get_update_texture: (attributes org.gdk.Method.get_property=update_texture)
* @self: a `GdkGLTextureBuilder`
*
* Gets the texture previously set via gdk_gl_texture_builder_set_update_texture() or
* %NULL if none was set.
*
* Returns: (transfer none) (nullable): The texture
*
* Since: 4.12
*/
GdkTexture *
gdk_gl_texture_builder_get_update_texture (GdkGLTextureBuilder *self)
{
g_return_val_if_fail (GDK_IS_GL_TEXTURE_BUILDER (self), NULL);
return self->update_texture;
}
/**
* gdk_gl_texture_builder_set_update_texture: (attributes org.gdk.Method.set_property=update_texture)
* @self: a `GdkGLTextureBuilder`
* @texture: (nullable): the texture to update
*
* Sets the texture to be updated by this texture. See
* [method@Gdk.GLTextureBuilder.set_update_region] for an explanation.
*
* Since: 4.12
*/
void
gdk_gl_texture_builder_set_update_texture (GdkGLTextureBuilder *self,
GdkTexture *texture)
{
g_return_if_fail (GDK_IS_GL_TEXTURE_BUILDER (self));
g_return_if_fail (texture == NULL || GDK_IS_TEXTURE (texture));
if (!g_set_object (&self->update_texture, texture))
return;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_UPDATE_TEXTURE]);
}
/**
* gdk_gl_texture_builder_get_update_region: (attributes org.gdk.Method.get_property=update_region)
* @self: a `GdkGLTextureBuilder`
*
* Gets the region previously set via gdk_gl_texture_builder_set_update_region() or
* %NULL if none was set.
*
* Returns: (transfer none) (nullable): The region
*
* Since: 4.12
*/
cairo_region_t *
gdk_gl_texture_builder_get_update_region (GdkGLTextureBuilder *self)
{
g_return_val_if_fail (GDK_IS_GL_TEXTURE_BUILDER (self), NULL);
return self->update_region;
}
/**
* gdk_gl_texture_builder_set_update_region: (attributes org.gdk.Method.set_property=update_region)
* @self: a `GdkGLTextureBuilder`
* @region: (nullable): the region to update
*
* Sets the region to be updated by this texture. Together with
* [property@Gdk.GLTextureBuilder:update-texture] this describes an
* update of a previous texture.
*
* When rendering animations of large textures, it is possible that
* consecutive textures are only updating contents in parts of the texture.
* It is then possible to describe this update via these two properties,
* so that GTK can avoid rerendering parts that did not change.
*
* An example would be a screen recording where only the mouse pointer moves.
*
* Since: 4.12
*/
void
gdk_gl_texture_builder_set_update_region (GdkGLTextureBuilder *self,
cairo_region_t *region)
{
g_return_if_fail (GDK_IS_GL_TEXTURE_BUILDER (self));
if (self->update_region == region)
return;
g_clear_pointer (&self->update_region, cairo_region_destroy);
if (region)
self->update_region = cairo_region_reference (region);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_UPDATE_REGION]);
}
/**
* gdk_gl_texture_builder_build:
* @self: a `GdkGLTextureBuilder`

12
gdk/gdkgltexturebuilder.h
View File

@ -78,6 +78,18 @@ GDK_AVAILABLE_IN_4_12
void gdk_gl_texture_builder_set_sync (GdkGLTextureBuilder *self,
gpointer sync);
GDK_AVAILABLE_IN_4_12
GdkTexture * gdk_gl_texture_builder_get_update_texture (GdkGLTextureBuilder *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_4_12
void gdk_gl_texture_builder_set_update_texture (GdkGLTextureBuilder *self,
GdkTexture *texture);
GDK_AVAILABLE_IN_4_12
cairo_region_t * gdk_gl_texture_builder_get_update_region (GdkGLTextureBuilder *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_4_12
void gdk_gl_texture_builder_set_update_region (GdkGLTextureBuilder *self,
cairo_region_t *region);
GDK_AVAILABLE_IN_4_12
GdkTexture * gdk_gl_texture_builder_build (GdkGLTextureBuilder *self,
GDestroyNotify destroy,