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gsk: Rework GskTexture

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We do no longer bind textures to a renderer, instead they are a way for
applications to provide texture data.

For now, that's it. We've reverted to uploading it from scratch every
frame.
This commit is contained in:
Benjamin Otte 2016-11-16 04:14:32 +01:00
parent 455ce80ff7
commit 40565fb030
9 changed files with 161 additions and 284 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

87
gsk/gskcairorenderer.c
View File

@ -20,12 +20,6 @@ struct _GskCairoRendererClass
GskRendererClass parent_class;
};
typedef struct _GskCairoTexture GskCairoTexture;
struct _GskCairoTexture {
GskTexture texture;
cairo_surface_t *surface;
};
G_DEFINE_TYPE (GskCairoRenderer, gsk_cairo_renderer, GSK_TYPE_RENDERER)
static gboolean
@ -99,10 +93,12 @@ gsk_cairo_renderer_render_node (GskCairoRenderer *self,
frame.origin.x, frame.origin.y));
if (gsk_render_node_has_texture (node))
{
GskCairoTexture *cairo_texture = (GskCairoTexture *) gsk_render_node_get_texture (node);
GskTexture *texture = gsk_render_node_get_texture (node);
cairo_surface_t *surface = gsk_texture_download (texture);
cairo_set_source_surface (cr, cairo_texture->surface, frame.origin.x, frame.origin.y);
cairo_set_source_surface (cr, surface, frame.origin.x, frame.origin.y);
cairo_paint (cr);
cairo_surface_destroy (surface);
}
else
{
@ -186,77 +182,6 @@ gsk_cairo_renderer_render (GskRenderer *renderer,
gsk_cairo_renderer_render_node (self, root, cr);
}
static GskTexture *
gsk_cairo_texture_new_for_surface (GskRenderer *renderer,
cairo_surface_t *surface,
int width,
int height)
{
GskCairoTexture *texture;
texture = gsk_texture_new (GskCairoTexture, renderer, width, height);
texture->surface = cairo_surface_reference (surface);
return (GskTexture *) texture;
}
static GskTexture *
gsk_cairo_renderer_texture_new_for_data (GskRenderer *renderer,
const guchar *data,
int width,
int height,
int stride)
{
GskTexture *texture;
cairo_surface_t *original, *copy;
cairo_t *cr;
original = cairo_image_surface_create_for_data ((guchar *) data, CAIRO_FORMAT_ARGB32, width, height, stride);
copy = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
cr = cairo_create (copy);
cairo_set_source_surface (cr, original, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
texture = gsk_cairo_texture_new_for_surface (renderer,
copy,
width, height);
cairo_surface_destroy (copy);
cairo_surface_destroy (original);
return texture;
}
static GskTexture *
gsk_cairo_renderer_texture_new_for_pixbuf (GskRenderer *renderer,
GdkPixbuf *pixbuf)
{
GskTexture *texture;
cairo_surface_t *surface;
surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL);
texture = gsk_cairo_texture_new_for_surface (renderer,
surface,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
cairo_surface_destroy (surface);
return texture;
}
static void
gsk_cairo_renderer_texture_destroy (GskTexture *texture)
{
GskCairoTexture *cairo_texture = (GskCairoTexture *) texture;
cairo_surface_destroy (cairo_texture->surface);
}
static void
gsk_cairo_renderer_class_init (GskCairoRendererClass *klass)
{
@ -265,10 +190,6 @@ gsk_cairo_renderer_class_init (GskCairoRendererClass *klass)
renderer_class->realize = gsk_cairo_renderer_realize;
renderer_class->unrealize = gsk_cairo_renderer_unrealize;
renderer_class->render = gsk_cairo_renderer_render;
renderer_class->texture_new_for_data = gsk_cairo_renderer_texture_new_for_data;
renderer_class->texture_new_for_pixbuf = gsk_cairo_renderer_texture_new_for_pixbuf;
renderer_class->texture_destroy = gsk_cairo_renderer_texture_destroy;
}
static void

112
gsk/gskglrenderer.c
View File

@ -90,13 +90,6 @@ typedef struct {
} ProfileTimers;
#endif
typedef struct _GskGLTexture GskGLTexture;
struct _GskGLTexture {
GskTexture texture;
int texture_id;
};
struct _GskGLRenderer
{
GskRenderer parent_instance;
@ -136,86 +129,6 @@ struct _GskGLRendererClass
G_DEFINE_TYPE (GskGLRenderer, gsk_gl_renderer, GSK_TYPE_RENDERER)
static GskTexture *
gsk_gl_renderer_texture_new_for_data (GskRenderer *renderer,
const guchar *data,
int width,
int height,
int stride)
{
GskGLRenderer *self = GSK_GL_RENDERER (renderer);
GskGLTexture *texture;
cairo_surface_t *surface;
gdk_gl_context_make_current (self->gl_context);
gsk_gl_driver_begin_frame (self->gl_driver);
/* XXX: Make this work without having to create cairo surfaces */
surface = cairo_image_surface_create_for_data ((guchar *) data, CAIRO_FORMAT_ARGB32, width, height, stride);
texture = gsk_texture_new (GskGLTexture, renderer, width, height);
texture->texture_id = gsk_gl_driver_create_texture (self->gl_driver,
TRUE,
width, height);
gsk_gl_driver_bind_source_texture (self->gl_driver, texture->texture_id);
gsk_gl_driver_init_texture_with_surface (self->gl_driver,
texture->texture_id,
surface,
GL_NEAREST,
GL_NEAREST);
cairo_surface_destroy (surface);
gsk_gl_driver_end_frame (self->gl_driver);
return &texture->texture;
}
static GskTexture *
gsk_gl_renderer_texture_new_for_pixbuf (GskRenderer *renderer,
GdkPixbuf *pixbuf)
{
GskGLRenderer *self = GSK_GL_RENDERER (renderer);
GskGLTexture *texture;
cairo_surface_t *surface;
int width, height;
gdk_gl_context_make_current (self->gl_context);
gsk_gl_driver_begin_frame (self->gl_driver);
surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL);
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
texture = gsk_texture_new (GskGLTexture, renderer, width, height);
texture->texture_id = gsk_gl_driver_create_texture (self->gl_driver,
TRUE,
width, height);
gsk_gl_driver_bind_source_texture (self->gl_driver, texture->texture_id);
gsk_gl_driver_init_texture_with_surface (self->gl_driver,
texture->texture_id,
surface,
GL_NEAREST,
GL_NEAREST);
gsk_gl_driver_end_frame (self->gl_driver);
cairo_surface_destroy (surface);
return &texture->texture;
}
static void
gsk_gl_renderer_texture_destroy (GskTexture *texture)
{
GskGLTexture *gltexture = (GskGLTexture *) texture;
GskGLRenderer *self = GSK_GL_RENDERER (gsk_texture_get_renderer (texture));
gsk_gl_driver_release_texture (self->gl_driver, gltexture->texture_id);
}
static void
gsk_gl_renderer_dispose (GObject *gobject)
{
@ -798,13 +711,22 @@ gsk_gl_renderer_add_render_item (GskGLRenderer *self,
if (gsk_render_node_has_texture (node))
{
GskTexture *texture = gsk_render_node_get_texture (node);
cairo_surface_t *surface = gsk_texture_download (texture);
int gl_min_filter = GL_NEAREST, gl_mag_filter = GL_NEAREST;
if (gsk_texture_get_renderer (texture) != GSK_RENDERER (self))
{
g_warning ("Given Texture belongs to wrong renderer, ignoring.");
goto out;
}
item.render_data.texture_id = ((GskGLTexture *) texture)->texture_id;
get_gl_scaling_filters (node, &gl_min_filter, &gl_mag_filter);
/* Upload the Cairo surface to a GL texture */
item.render_data.texture_id = gsk_gl_driver_create_texture (self->gl_driver,
FALSE,
item.size.width,
item.size.height);
gsk_gl_driver_bind_source_texture (self->gl_driver, item.render_data.texture_id);
gsk_gl_driver_init_texture_with_surface (self->gl_driver,
item.render_data.texture_id,
surface,
gl_min_filter,
gl_mag_filter);
}
else if (gsk_render_node_has_surface (node))
{
@ -1062,10 +984,6 @@ gsk_gl_renderer_class_init (GskGLRendererClass *klass)
renderer_class->realize = gsk_gl_renderer_realize;
renderer_class->unrealize = gsk_gl_renderer_unrealize;
renderer_class->render = gsk_gl_renderer_render;
renderer_class->texture_new_for_data = gsk_gl_renderer_texture_new_for_data;
renderer_class->texture_new_for_pixbuf = gsk_gl_renderer_texture_new_for_pixbuf;
renderer_class->texture_destroy = gsk_gl_renderer_texture_destroy;
}
static void

41
gsk/gskrenderer.c
View File

@ -134,44 +134,6 @@ gsk_renderer_real_create_cairo_surface (GskRenderer *self,
return res;
}
static GskTexture *
gsk_renderer_real_texture_new_for_data (GskRenderer *self,
const guchar *data,
int width,
int height,
int stride)
{
GSK_RENDERER_WARN_NOT_IMPLEMENTED_METHOD (self, texture_new_for_data);
return NULL;
}
static GskTexture *
gsk_renderer_real_texture_new_for_pixbuf (GskRenderer *renderer,
GdkPixbuf *pixbuf)
{
GskTexture *texture;
cairo_surface_t *surface;
surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL);
texture = gsk_texture_new_for_data (renderer,
cairo_image_surface_get_data (surface),
cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface),
cairo_image_surface_get_stride (surface));
cairo_surface_destroy (surface);
return texture;
}
static void
gsk_renderer_real_texture_destroy (GskTexture *texture)
{
GSK_RENDERER_WARN_NOT_IMPLEMENTED_METHOD (gsk_texture_get_renderer (texture), texture_destroy);
}
static void
gsk_renderer_dispose (GObject *gobject)
{
@ -278,9 +240,6 @@ gsk_renderer_class_init (GskRendererClass *klass)
klass->unrealize = gsk_renderer_real_unrealize;
klass->render = gsk_renderer_real_render;
klass->create_cairo_surface = gsk_renderer_real_create_cairo_surface;
klass->texture_new_for_data = gsk_renderer_real_texture_new_for_data;
klass->texture_new_for_pixbuf = gsk_renderer_real_texture_new_for_pixbuf;
klass->texture_destroy = gsk_renderer_real_texture_destroy;
gobject_class->constructed = gsk_renderer_constructed;
gobject_class->set_property = gsk_renderer_set_property;

9
gsk/gskrendererprivate.h
View File

@ -47,15 +47,6 @@ struct _GskRendererClass
cairo_format_t,
int width,
int height);
/* called from gsktexture.c */
GskTexture * (* texture_new_for_data) (GskRenderer *renderer,
const guchar *data,
int width,
int height,
int stride);
GskTexture * (* texture_new_for_pixbuf) (GskRenderer *renderer,
GdkPixbuf *pixbuf);
void (* texture_destroy) (GskTexture *texture);
};
gboolean gsk_renderer_is_realized (GskRenderer *renderer);

155
gsk/gsktexture.c
View File

@ -23,9 +23,6 @@
*
* #GskTexture is the basic element used to refer to pixel data.
*
* It can only be created for an existing realized #GskRenderer and becomes
* invalid when the renderer gets unrealized.
*
* You cannot get your pixel data back once you've uploaded it.
*
* #GskTexture is an immutable structure: That means you cannot change
@ -38,7 +35,6 @@
#include "gsktextureprivate.h"
#include "gskdebugprivate.h"
#include "gskrendererprivate.h"
/**
* GskTexture: (ref-func gsk_texture_ref) (unref-func gsk_texture_unref)
@ -53,9 +49,7 @@ G_DEFINE_BOXED_TYPE(GskTexture, gsk_texture, gsk_texture_ref, gsk_texture_unref)
static void
gsk_texture_finalize (GskTexture *self)
{
GSK_RENDERER_GET_CLASS (self->renderer)->texture_destroy (self);
g_object_unref (self->renderer);
self->klass->finalize (self);
g_free (self);
}
@ -100,63 +94,146 @@ gsk_texture_unref (GskTexture *texture)
gsk_texture_finalize (texture);
}
GskTexture *
gsk_texture_alloc (gsize size,
GskRenderer *renderer,
gpointer
gsk_texture_new (const GskTextureClass *klass,
int width,
int height)
{
GskTexture *self;
g_assert (size >= sizeof (GskTexture));
g_assert (klass->size >= sizeof (GskTexture));
self = g_malloc0 (size);
self = g_malloc0 (klass->size);
self->klass = klass;
self->ref_count = 1;
self->renderer = g_object_ref (renderer);
self->width = width;
self->height = height;
return self;
}
/* GskCairoTexture */
typedef struct _GskCairoTexture GskCairoTexture;
struct _GskCairoTexture {
GskTexture texture;
cairo_surface_t *surface;
};
static void
gsk_texture_cairo_finalize (GskTexture *texture)
{
GskCairoTexture *cairo = (GskCairoTexture *) texture;
cairo_surface_destroy (cairo->surface);
}
static cairo_surface_t *
gsk_texture_cairo_download (GskTexture *texture)
{
GskCairoTexture *cairo = (GskCairoTexture *) texture;
return cairo_surface_reference (cairo->surface);
}
static const GskTextureClass GSK_TEXTURE_CLASS_CAIRO = {
"cairo",
sizeof (GskCairoTexture),
gsk_texture_cairo_finalize,
gsk_texture_cairo_download
};
GskTexture *
gsk_texture_new_for_data (GskRenderer *renderer,
const guchar *data,
gsk_texture_new_for_surface (cairo_surface_t *surface)
{
GskCairoTexture *texture;
g_return_val_if_fail (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_IMAGE, NULL);
texture = gsk_texture_new (&GSK_TEXTURE_CLASS_CAIRO,
cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface));
texture->surface = cairo_surface_reference (surface);
return (GskTexture *) texture;
}
GskTexture *
gsk_texture_new_for_data (const guchar *data,
int width,
int height,
int stride)
{
return GSK_RENDERER_GET_CLASS (renderer)->texture_new_for_data (renderer, data, width, height, stride);
GskTexture *texture;
cairo_surface_t *original, *copy;
cairo_t *cr;
original = cairo_image_surface_create_for_data ((guchar *) data, CAIRO_FORMAT_ARGB32, width, height, stride);
copy = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
cr = cairo_create (copy);
cairo_set_source_surface (cr, original, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
texture = gsk_texture_new_for_surface (copy);
cairo_surface_destroy (copy);
cairo_surface_destroy (original);
return texture;
}
/* GskPixbufTexture */
typedef struct _GskPixbufTexture GskPixbufTexture;
struct _GskPixbufTexture {
GskTexture texture;
GdkPixbuf *pixbuf;
};
static void
gsk_texture_pixbuf_finalize (GskTexture *texture)
{
GskPixbufTexture *pixbuf = (GskPixbufTexture *) texture;
g_object_unref (pixbuf->pixbuf);
}
static cairo_surface_t *
gsk_texture_pixbuf_download (GskTexture *texture)
{
GskPixbufTexture *pixbuf = (GskPixbufTexture *) texture;
return gdk_cairo_surface_create_from_pixbuf (pixbuf->pixbuf, 1, NULL);
}
static const GskTextureClass GSK_TEXTURE_CLASS_PIXBUF = {
"pixbuf",
sizeof (GskPixbufTexture),
gsk_texture_pixbuf_finalize,
gsk_texture_pixbuf_download
};
GskTexture *
gsk_texture_new_for_pixbuf (GskRenderer *renderer,
GdkPixbuf *pixbuf)
gsk_texture_new_for_pixbuf (GdkPixbuf *pixbuf)
{
g_return_val_if_fail (GSK_IS_RENDERER (renderer), NULL);
GskPixbufTexture *texture;
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
return GSK_RENDERER_GET_CLASS (renderer)->texture_new_for_pixbuf (renderer, pixbuf);
}
texture = gsk_texture_new (&GSK_TEXTURE_CLASS_PIXBUF,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
/**
* gsk_texture_get_renderer:
* @texture: a #GskTexture
*
* Returns the renderer that @texture was created for.
*
* Returns: (transfer none): the renderer of the #GskTexture
*
* Since: 3.90
*/
GskRenderer *
gsk_texture_get_renderer (GskTexture *texture)
{
g_return_val_if_fail (GSK_IS_TEXTURE (texture), NULL);
texture->pixbuf = g_object_ref (pixbuf);
return texture->renderer;
return &texture->texture;
}
/**
@ -195,3 +272,9 @@ gsk_texture_get_height (GskTexture *texture)
return texture->height;
}
cairo_surface_t *
gsk_texture_download (GskTexture *texture)
{
return texture->klass->download (texture);
}

8
gsk/gsktexture.h
View File

@ -40,17 +40,13 @@ GDK_AVAILABLE_IN_3_90
void gsk_texture_unref (GskTexture *texture);
GDK_AVAILABLE_IN_3_90
GskTexture * gsk_texture_new_for_data (GskRenderer *renderer,
const guchar *data,
GskTexture * gsk_texture_new_for_data (const guchar *data,
int width,
int height,
int stride);
GDK_AVAILABLE_IN_3_90
GskTexture * gsk_texture_new_for_pixbuf (GskRenderer *renderer,
GdkPixbuf *pixbuf);
GskTexture * gsk_texture_new_for_pixbuf (GdkPixbuf *pixbuf);
GDK_AVAILABLE_IN_3_90
GskRenderer * gsk_texture_get_renderer (GskTexture *texture);
GDK_AVAILABLE_IN_3_90
int gsk_texture_get_width (GskTexture *texture);
GDK_AVAILABLE_IN_3_90

20
gsk/gsktextureprivate.h
View File

@ -9,21 +9,31 @@ G_BEGIN_DECLS
#define GSK_IS_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GSK_TYPE_TEXTURE))
#define GSK_TEXTURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GSK_TYPE_TEXTURE, GskTextureClass))
typedef struct _GskTextureClass GskTextureClass;
struct _GskTexture
{
const GskTextureClass *klass;
volatile int ref_count;
GskRenderer *renderer;
int width;
int height;
};
#define gsk_texture_new(type,renderer,width,height) \
(type *) gsk_texture_alloc(sizeof (type),(renderer),(width),(height))
GskTexture *gsk_texture_alloc (gsize size,
GskRenderer *renderer,
struct _GskTextureClass {
const char *name;
gsize size;
void (* finalize) (GskTexture *texture);
cairo_surface_t * (* download) (GskTexture *texture);
};
gpointer gsk_texture_new (const GskTextureClass *klass,
int width,
int height);
GskTexture * gsk_texture_new_for_surface (cairo_surface_t *surface);
cairo_surface_t * gsk_texture_download (GskTexture *texture);
G_END_DECLS

3
gtk/gtkiconhelper.c
View File

@ -577,8 +577,7 @@ gtk_icon_helper_ensure_texture (GtkIconHelper *self,
map = cairo_surface_map_to_image (self->priv->rendered_surface,
&(GdkRectangle) { 0, 0, width * scale, height * scale});
self->priv->texture = gsk_texture_new_for_data (renderer,
cairo_image_surface_get_data (map),
self->priv->texture = gsk_texture_new_for_data (cairo_image_surface_get_data (map),
width * scale,
height * scale,
cairo_image_surface_get_stride (map));

2
gtk/gtksnapshot.c
View File

@ -400,7 +400,7 @@ gtk_snapshot_render_icon (GtkSnapshot *snapshot,
{
GskTexture *texture;
texture = gsk_texture_new_for_pixbuf (snapshot->renderer, pixbuf);
texture = gsk_texture_new_for_pixbuf (pixbuf);
gtk_snapshot_translate_2d (snapshot, x, y);
gtk_css_style_snapshot_icon (gtk_style_context_lookup_style (context),
snapshot,