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gsk: Implement textures for the Cairo renderer

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This commit is contained in:
Benjamin Otte 2016-11-07 18:23:38 +01:00
parent 46eb2c1be9
commit 09359197a7
1 changed files with 96 additions and 3 deletions
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99
gsk/gskcairorenderer.c
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@ -6,6 +6,7 @@
#include "gskrendererprivate.h"
#include "gskrendernodeiter.h"
#include "gskrendernodeprivate.h"
#include "gsktextureprivate.h"
struct _GskCairoRenderer
{
@ -19,6 +20,12 @@ 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
@ -50,7 +57,8 @@ gsk_cairo_renderer_render_node (GskCairoRenderer *self,
cairo_save (cr);
if (!gsk_render_node_has_surface (node))
if (!gsk_render_node_has_surface (node) &&
!gsk_render_node_has_texture (node))
goto out;
gsk_render_node_get_world_matrix (node, &mvp);
@ -89,8 +97,18 @@ gsk_cairo_renderer_render_node (GskCairoRenderer *self,
node->name,
node,
frame.origin.x, frame.origin.y));
cairo_set_source_surface (cr, gsk_render_node_get_surface (node), frame.origin.x, frame.origin.y);
cairo_paint (cr);
if (gsk_render_node_has_texture (node))
{
GskCairoTexture *cairo_texture = (GskCairoTexture *) gsk_render_node_get_texture (node);
cairo_set_source_surface (cr, cairo_texture->surface, frame.origin.x, frame.origin.y);
cairo_paint (cr);
}
else
{
cairo_set_source_surface (cr, gsk_render_node_get_surface (node), frame.origin.x, frame.origin.y);
cairo_paint (cr);
}
if (GSK_RENDER_MODE_CHECK (GEOMETRY))
{
@ -168,6 +186,77 @@ 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)
{
@ -176,6 +265,10 @@ 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