static void
pp_super_aa_paint (ClutterActor *actor)
{
CoglHandle texture;
gfloat width, height;
PPSuperAAPrivate *priv = PP_SUPER_AA (actor)->priv;
clutter_actor_get_size (actor, &width, &height);
texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (actor));
if (!texture ||
(cogl_texture_get_width (texture) != (guint)(width * priv->x_res)) ||
(cogl_texture_get_height (texture) != (guint)(height * priv->y_res)))
{
texture = cogl_texture_new_with_size ((guint)(width * priv->x_res),
(guint)(height * priv->y_res),
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_RGBA_8888_PRE);
clutter_texture_set_cogl_texture (CLUTTER_TEXTURE (actor), texture);
cogl_handle_unref (texture);
}
CLUTTER_ACTOR_CLASS (pp_super_aa_parent_class)->paint (actor);
}
int
main (int argc, char **argv)
{
ClutterActor *stage, *image, *sub_image;
CoglHandle texture, sub_texture;
gfloat image_width, image_height;
/* Initialize Clutter */
if (clutter_init (NULL, NULL) != CLUTTER_INIT_SUCCESS)
return 1;
/* Get the default stage */
stage = clutter_stage_get_default ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Sub-texture");
/* Create a new ClutterTexture that shows smiley.png */
image = clutter_texture_new_from_file ("smiley.png", NULL);
clutter_actor_get_size (image, &image_width, &image_height);
clutter_actor_set_size (stage,
image_width * 3 / 2 + 30,
image_height + 20);
/* Grab the CoglHandle of the underlying Cogl texture */
texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (image));
/* Create a new Cogl texture from the handle above. That new texture is a
* rectangular region from image, more precisely the north ouest corner
* of the image */
sub_texture = cogl_texture_new_from_sub_texture (texture,
0, 0,
image_width / 2,
image_height / 2);
/* Finally, use the newly created Cogl texture to feed a new ClutterTexture
* and thus create a new actor that displays sub_texture */
sub_image = clutter_texture_new ();
clutter_texture_set_cogl_texture (CLUTTER_TEXTURE (sub_image), sub_texture);
/*
* You could have used the more straightforward g_object_new() function that
* can create an object and set some properties on it at the same time:
* sub_image = g_object_new (CLUTTER_TYPE_TEXTURE,
* "cogl-texture", sub_texture,
* NULL);
*/
/* Put the original image at (10,10) and the new sub image next to it */
clutter_actor_set_position (image, 10, 10);
clutter_actor_set_position (sub_image, 20 + image_width, 10);
/* Add both ClutterTexture to the stage */
clutter_container_add (CLUTTER_CONTAINER (stage), image, sub_image, NULL);
clutter_actor_show_all (stage);
clutter_main ();
return 0;
}
static gboolean rc_area_changed_cb(gpointer data)
{
RendererClutter *rc = (RendererClutter *)data;
PixbufRenderer *pr = rc->pr;
RendererClutterAreaParam *par = rc->pending_updates->data;
gint h = MAX_REGION_AREA / par->w;
if (h == 0) h = 1;
if (h > par->h) h = par->h;
DEBUG_3("%s upload start", get_exec_time());
if (pr->pixbuf)
{
CoglHandle texture = clutter_texture_get_cogl_texture(CLUTTER_TEXTURE(rc->texture));
cogl_texture_set_region(texture,
par->x + GET_RIGHT_PIXBUF_OFFSET(rc),
par->y,
par->x,
par->y,
par->w,
h,
par->w,
h,
gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_BGRA_8888 : COGL_PIXEL_FORMAT_BGR_888,
gdk_pixbuf_get_rowstride(pr->pixbuf),
gdk_pixbuf_get_pixels(pr->pixbuf));
}
DEBUG_3("%s upload end", get_exec_time());
rc_area_clip_add(rc, par->x, par->y, par->w, h);
par->y += h;
par->h -= h;
if (par->h == 0)
{
rc->pending_updates = g_list_remove(rc->pending_updates, par);
g_free(par);
}
if (!rc->pending_updates)
{
clutter_actor_queue_redraw(CLUTTER_ACTOR(rc->texture));
rc->idle_update = 0;
/* FIXME: find a better place for this */
if (!rc->clut_updated) rc_prepare_post_process_lut(rc);
return FALSE;
}
rc_schedule_texture_upload(rc);
return FALSE; /* it was rescheduled, possibly with different prio */
}
CoglHandle
_st_create_shadow_material_from_actor (StShadow *shadow_spec,
ClutterActor *actor)
{
CoglHandle shadow_material = COGL_INVALID_HANDLE;
if (CLUTTER_IS_TEXTURE (actor))
{
CoglHandle texture;
texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (actor));
shadow_material = _st_create_shadow_material (shadow_spec, texture);
}
else
{
CoglHandle buffer, offscreen;
ClutterActorBox box;
CoglColor clear_color;
float width, height;
clutter_actor_get_allocation_box (actor, &box);
clutter_actor_box_get_size (&box, &width, &height);
if (width == 0 || height == 0)
return COGL_INVALID_HANDLE;
buffer = st_cogl_texture_new_with_size_wrapper (width, height,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_ANY);
if (buffer == COGL_INVALID_HANDLE)
return COGL_INVALID_HANDLE;
offscreen = cogl_offscreen_new_to_texture (buffer);
if (offscreen == COGL_INVALID_HANDLE)
{
cogl_handle_unref (buffer);
return COGL_INVALID_HANDLE;
}
cogl_color_set_from_4ub (&clear_color, 0, 0, 0, 0);
cogl_push_framebuffer (offscreen);
cogl_clear (&clear_color, COGL_BUFFER_BIT_COLOR);
cogl_translate (-box.x1, -box.y1, 0);
cogl_ortho (0, width, height, 0, 0, 1.0);
clutter_actor_paint (actor);
cogl_pop_framebuffer ();
cogl_handle_unref (offscreen);
shadow_material = _st_create_shadow_material (shadow_spec, buffer);
cogl_handle_unref (buffer);
}
return shadow_material;
}
static void
clutter_cairo_texture_context_destroy (void *data)
{
ClutterCairoTextureContext *ctxt = data;
ClutterCairoTexture *cairo = ctxt->cairo;
ClutterCairoTexturePrivate *priv = cairo->priv;
guint8 *cairo_data;
gint cairo_width, cairo_height, cairo_stride;
gint surface_width, surface_height;
CoglHandle cogl_texture;
if (priv->cr_surface == NULL)
return;
/* for any other surface type, we presume that there exists a native
* communication between Cairo and GL that is triggered by cairo_destroy().
*
* for instance, cairo-drm will flush the outstanding modifications to the
* surface upon context destruction and so the texture is automatically
* updated.
*/
if (cairo_surface_get_type (priv->cr_surface) != CAIRO_SURFACE_TYPE_IMAGE)
goto out;
surface_width = cairo_image_surface_get_width (priv->cr_surface);
surface_height = cairo_image_surface_get_height (priv->cr_surface);
cairo_width = MIN (ctxt->rect.width, surface_width);
cairo_height = MIN (ctxt->rect.height, surface_height);
cogl_texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (cairo));
if (!cairo_width || !cairo_height || cogl_texture == COGL_INVALID_HANDLE)
{
g_slice_free (ClutterCairoTextureContext, ctxt);
return;
}
cairo_stride = cairo_image_surface_get_stride (priv->cr_surface);
cairo_data = cairo_image_surface_get_data (priv->cr_surface);
cairo_data += cairo_stride * ctxt->rect.y;
cairo_data += 4 * ctxt->rect.x;
cogl_texture_set_region (cogl_texture,
0, 0,
ctxt->rect.x, ctxt->rect.y,
cairo_width, cairo_height,
cairo_width, cairo_height,
CLUTTER_CAIRO_FORMAT_ARGB32,
cairo_stride,
cairo_data);
out:
g_slice_free (ClutterCairoTextureContext, ctxt);
clutter_actor_queue_redraw (CLUTTER_ACTOR (cairo));
}
/**
* clutter_glx_texture_pixmap_using_extension:
* @texture: A #ClutterGLXTexturePixmap
*
* Checks whether @texture is using the GLX_EXT_texture_from_pixmap
* extension; this extension can be optionally (though it is strongly
* encouraged) implemented as a zero-copy between a GLX pixmap and
* a GL texture.
*
* Return value: %TRUE if the texture is using the
* GLX_EXT_texture_from_pixmap OpenGL extension or falling back to the
* slower software mechanism.
*
* Deprecated: 1.6: Use cogl_texture_pixmap_x11_is_using_tfp_extension()
* on the texture handle instead.
*
* Since: 0.8
*/
gboolean
clutter_glx_texture_pixmap_using_extension (ClutterGLXTexturePixmap *texture)
{
CoglHandle cogl_texture;
g_return_val_if_fail (CLUTTER_GLX_IS_TEXTURE_PIXMAP (texture), FALSE);
cogl_texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (texture));
return (cogl_is_texture_pixmap_x11 (cogl_texture) &&
cogl_texture_pixmap_x11_is_using_tfp_extension (cogl_texture));
}
static void
penge_magic_texture_paint (ClutterActor *actor)
{
ClutterActorBox box;
CoglHandle *material, *tex;
float bw, bh;
float aw, ah;
float v;
float tx1, tx2, ty1, ty2;
guint8 alpha;
clutter_actor_get_allocation_box (actor, &box);
material = clutter_texture_get_cogl_material (CLUTTER_TEXTURE (actor));
tex = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (actor));
bw = (float) cogl_texture_get_width (tex); /* base texture width */
bh = (float) cogl_texture_get_height (tex); /* base texture height */
aw = (float) (box.x2 - box.x1); /* allocation width */
ah = (float) (box.y2 - box.y1); /* allocation height */
/* no comment */
if ((float)bw/bh < (float)aw/ah)
{
/* fit width */
v = (((float)ah * bw) / ((float)aw * bh)) / 2;
tx1 = 0;
tx2 = 1;
ty1 = (0.5 - v);
ty2 = (0.5 + v);
} else {
/* fit height */
v = (((float)aw * bh) / ((float)ah * bw)) / 2;
tx1 = (0.5 - v);
tx2 = (0.5 + v);
ty1 = 0;
ty2 = 1;
}
alpha = clutter_actor_get_paint_opacity (actor);
cogl_material_set_color4ub (material,
alpha,
alpha,
alpha,
alpha);
cogl_set_source (material);
cogl_rectangle_with_texture_coords (0, 0,
aw, ah,
tx1, ty1,
tx2, ty2);
}
/**
* cinnamon_xfixes_cursor_update_texture_image:
* @xfixes_cursor: the #CinnamonXFixesCursor
* @texture: ClutterTexture to update with the current sprite image.
*/
void
cinnamon_xfixes_cursor_update_texture_image (CinnamonXFixesCursor *xfixes_cursor,
ClutterTexture *texture)
{
CoglHandle *old_sprite;
g_return_if_fail (CINNAMON_IS_XFIXES_CURSOR (xfixes_cursor));
if (texture == NULL)
return;
old_sprite = clutter_texture_get_cogl_texture (texture);
if (xfixes_cursor->cursor_sprite == old_sprite)
return;
clutter_texture_set_cogl_texture (texture, xfixes_cursor->cursor_sprite);
}
/**
* shell_xfixes_cursor_update_texture_image:
* @xfixes_cursor: the #ShellXFixesCursor
* @texture: ClutterTexture to update with the current sprite image.
*/
void
shell_xfixes_cursor_update_texture_image (ShellXFixesCursor *xfixes_cursor,
ClutterTexture *texture)
{
CoglHandle *old_sprite;
g_return_if_fail (SHELL_IS_XFIXES_CURSOR (xfixes_cursor));
if (texture == NULL)
return;
old_sprite = clutter_texture_get_cogl_texture (texture);
if (xfixes_cursor->cursor_sprite == old_sprite)
return;
clutter_texture_set_cogl_texture (texture, xfixes_cursor->cursor_sprite);
}
static gboolean
texture_bind (ClutterGLXTexturePixmap *tex)
{
GLuint handle = 0;
GLenum target = 0;
CoglHandle cogl_tex;
cogl_tex = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE(tex));
if (!cogl_texture_get_gl_texture (cogl_tex, &handle, &target))
return FALSE;
glEnable(target);
/* FIXME: fire off an error here? */
glBindTexture (target, handle);
return TRUE;
}
CoglPipeline *
_st_create_shadow_pipeline_from_actor (StShadow *shadow_spec,
ClutterActor *actor)
{
CoglPipeline *shadow_pipeline = NULL;
if (CLUTTER_IS_TEXTURE (actor))
{
CoglTexture *texture;
texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (actor));
shadow_pipeline = _st_create_shadow_pipeline (shadow_spec, texture);
}
else
{
CoglTexture *buffer;
CoglOffscreen *offscreen;
CoglFramebuffer *fb;
ClutterActorBox box;
CoglColor clear_color;
float width, height;
CoglError *catch_error = NULL;
clutter_actor_get_allocation_box (actor, &box);
clutter_actor_box_get_size (&box, &width, &height);
if (width == 0 || height == 0)
return NULL;
buffer = cogl_texture_new_with_size (width,
height,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_ANY);
if (buffer == NULL)
return NULL;
offscreen = cogl_offscreen_new_with_texture (buffer);
fb = COGL_FRAMEBUFFER (offscreen);
if (!cogl_framebuffer_allocate (fb, &catch_error))
{
cogl_error_free (catch_error);
cogl_object_unref (buffer);
return NULL;
}
cogl_color_init_from_4ub (&clear_color, 0, 0, 0, 0);
/* XXX: There's no way to render a ClutterActor to an offscreen
* as it uses the implicit API. */
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
cogl_push_framebuffer (fb);
G_GNUC_END_IGNORE_DEPRECATIONS;
cogl_framebuffer_clear (fb, COGL_BUFFER_BIT_COLOR, &clear_color);
cogl_framebuffer_translate (fb, -box.x1, -box.y1, 0);
cogl_framebuffer_orthographic (fb, 0, 0, width, height, 0, 1.0);
clutter_actor_set_opacity_override (actor, 255);
clutter_actor_paint (actor);
clutter_actor_set_opacity_override (actor, -1);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
cogl_pop_framebuffer ();
G_GNUC_END_IGNORE_DEPRECATIONS;
cogl_object_unref (fb);
shadow_pipeline = _st_create_shadow_pipeline (shadow_spec, buffer);
cogl_object_unref (buffer);
}
return shadow_pipeline;
}
static void
clutter_reflect_texture_paint (ClutterActor *actor)
{
ClutterReflectTexturePrivate *priv;
ClutterReflectTexture *texture;
ClutterClone *clone;
ClutterTexture *parent;
guint width, height;
gfloat fwidth, fheight;
gint r_height;
gint opacity;
gint bottom;
CoglHandle cogl_texture;
CoglTextureVertex tvert[4];
CoglFixed rty;
texture = CLUTTER_REFLECT_TEXTURE (actor);
clone = CLUTTER_CLONE (actor);
parent = (ClutterTexture*) clutter_clone_get_source (clone);
if (!parent)
return;
if (!CLUTTER_ACTOR_IS_REALIZED (parent))
clutter_actor_realize (CLUTTER_ACTOR (parent));
cogl_texture = clutter_texture_get_cogl_texture (parent);
if (cogl_texture == COGL_INVALID_HANDLE)
return;
priv = texture->priv;
clutter_actor_get_size (CLUTTER_ACTOR(parent), &fwidth, &fheight);
width = fwidth;
height = fheight;
if (!height)
// probably won't happen, but just in case, to avoid divide by zero.
return;
r_height = priv->reflection_height;
bottom = priv->reflect_bottom;
opacity = clutter_actor_get_opacity(actor);
if (r_height < 0 || r_height > height)
r_height = height;
#define FX(x) COGL_FIXED_FROM_INT(x)
rty = COGL_FIXED_FAST_DIV(FX(bottom ? height-r_height : r_height),FX(height));
/* clockise vertices and tex coords and colors! */
tvert[0].x = tvert[0].y = tvert[0].z = 0;
tvert[0].tx = 0; tvert[0].ty = bottom ? COGL_FIXED_1 : rty;
tvert[0].color.red = tvert[0].color.green = tvert[0].color.blue = 0xff;
tvert[0].color.alpha = bottom ? opacity : 0;
tvert[1].x = FX(width); tvert[1].y = tvert[1].z = 0;
tvert[1].tx = COGL_FIXED_1; tvert[1].ty = bottom ? COGL_FIXED_1 : rty;
tvert[1].color.red = tvert[1].color.green = tvert[1].color.blue = 0xff;
tvert[1].color.alpha = bottom ? opacity : 0;
tvert[2].x = FX(width); tvert[2].y = FX(r_height); tvert[2].z = 0;
tvert[2].tx = COGL_FIXED_1; tvert[2].ty = bottom ? rty : 0;
tvert[2].color.red = tvert[2].color.green = tvert[2].color.blue = 0xff;
tvert[2].color.alpha = bottom ? 0 : opacity;
tvert[3].x = 0; tvert[3].y = FX(r_height); tvert[3].z = 0;
tvert[3].tx = 0; tvert[3].ty = bottom ? rty : 0;
tvert[3].color.red = tvert[3].color.green = tvert[3].color.blue = 0xff;
tvert[3].color.alpha = bottom ? 0 : opacity;
cogl_push_matrix ();
cogl_set_source_texture(cogl_texture);
/* FIXME: this does not work as expected */
/* cogl_polygon(tvert, 4, TRUE); */
cogl_pop_matrix ();
}
static void
mnb_toolbar_background_paint_background (MxWidget *self,
ClutterActor *background,
const ClutterColor *color)
{
MnbToolbarBackgroundPrivate *priv = TOOLBAR_BACKGROUND_PRIVATE (self);
ClutterActor *actor = (ClutterActor *) self;
CoglHandle cogl_texture, cogl_material;
ClutterActorBox box = { 0, };
gfloat width, height;
gfloat tex_width, tex_height;
gfloat ex, ey;
gfloat tx1, ty1, tx2, ty2;
guint8 opacity;
/* Copied from MxWidget:
*
* Default implementation just draws the background
* colour and the image on top
*/
if (color && color->alpha != 0)
{
ClutterColor bg_color = *color;
bg_color.alpha = clutter_actor_get_paint_opacity (actor)
* bg_color.alpha
/ 255;
clutter_actor_get_allocation_box (actor, &box);
width = box.x2 - box.x1;
height = box.y2 - box.y1;
cogl_set_source_color4ub (bg_color.red,
bg_color.green,
bg_color.blue,
bg_color.alpha);
cogl_rectangle (0, 0, width, height);
}
/*
* Copied from MxTextureFrame
*/
/* no need to paint stuff if we don't have a texture */
if (G_UNLIKELY (priv->parent_texture == NULL))
return;
cogl_texture = clutter_texture_get_cogl_texture (priv->parent_texture);
if (cogl_texture == COGL_INVALID_HANDLE)
return;
cogl_material = clutter_texture_get_cogl_material (priv->parent_texture);
if (cogl_material == COGL_INVALID_HANDLE)
return;
tex_width = cogl_texture_get_width (cogl_texture);
tex_height = cogl_texture_get_height (cogl_texture);
clutter_actor_get_allocation_box (actor, &box);
width = box.x2 - box.x1;
height = box.y2 - box.y1;
opacity = clutter_actor_get_paint_opacity (actor);
/* Paint using the parent texture's material. It should already have
the cogl texture set as the first layer */
/* NB: for correct blending we need set a preumultiplied color here: */
cogl_material_set_color4ub (cogl_material,
opacity, opacity, opacity, opacity);
selector_texture = mnb_toolbar_get_selector_texture (priv->toolbar);
cogl_material_set_layer (cogl_material, 1, selector_texture);
cogl_material_set_layer_wrap_mode (cogl_material, 1,
COGL_MATERIAL_WRAP_MODE_CLAMP_TO_EDGE);
if (!cogl_material_set_layer_combine (cogl_material, 1,
"RGBA = MODULATE(PREVIOUS,TEXTURE)",
&error))
{
g_warning (G_STRLOC ": Error setting layer combine blend string: %s",
error->message);
g_error_free (error);
}
cogl_set_source (cogl_material);
/* simple stretch */
if (priv->left == 0 && priv->right == 0 && priv->top == 0
&& priv->bottom == 0)
{
float spot_width, spot_height;
float coords[8] = {
0, 0, 1, 1,
0, 0, 0, 0
};
mnb_toolbar_get_selector_allocation_box (priv->toolbar, &box);
spot_width = box.x2 - box.x1;
spot_height = box.y2 - box.y1;
coords[4] = -(box.x1 / width) * (width / spot_width);
coords[5] = -(box.y1 / height) * (height / spot_height);
coords[6] = width / spot_width - (box.x1 / width) * (width / spot_width);
coords[7] = height / spot_height - (box.y1 / height) * (height / spot_height);
cogl_rectangle_with_multitexture_coords (0, 0, width, height, coords, 8);
return;
}
tx1 = priv->left / tex_width;
tx2 = (tex_width - priv->right) / tex_width;
ty1 = priv->top / tex_height;
ty2 = (tex_height - priv->bottom) / tex_height;
ex = width - priv->right;
if (ex < priv->left)
ex = priv->left;
ey = height - priv->bottom;
if (ey < priv->top)
ey = priv->top;
{
GLfloat rectangles[] =
{
/* top left corner */
0, 0,
priv->left, priv->top,
0.0, 0.0,
tx1, ty1,
/* top middle */
priv->left, 0,
MAX (priv->left, ex), priv->top,
tx1, 0.0,
tx2, ty1,
/* top right */
ex, 0,
MAX (ex + priv->right, width), priv->top,
tx2, 0.0,
1.0, ty1,
/* mid left */
0, priv->top,
priv->left, ey,
0.0, ty1,
tx1, ty2,
/* center */
priv->left, priv->top,
ex, ey,
tx1, ty1,
tx2, ty2,
/* mid right */
ex, priv->top,
MAX (ex + priv->right, width), ey,
tx2, ty1,
1.0, ty2,
/* bottom left */
0, ey,
priv->left, MAX (ey + priv->bottom, height),
0.0, ty2,
tx1, 1.0,
/* bottom center */
priv->left, ey,
ex, MAX (ey + priv->bottom, height),
tx1, ty2,
tx2, 1.0,
/* bottom right */
ex, ey,
MAX (ex + priv->right, width), MAX (ey + priv->bottom, height),
tx2, ty2,
1.0, 1.0
};
cogl_rectangles_with_texture_coords (rectangles, 9);
}
}
Context::Context( ClutterActor * actor )
:
unpack_flip_y( false ),
unpack_premultiply_alpha( false ),
unpack_colorspace_conversion( GL_BROWSER_DEFAULT_WEBGL ),
have_depth( false ),
have_stencil( false ),
acquisitions( 0 ),
texture( 0 ),
texture_target( 0 ),
framebuffer( 0 )
{
g_assert( CLUTTER_IS_TEXTURE( actor ) );
// Make sure we are in the clutter context
context_op( SWITCH_TO_CLUTTER_CONTEXT );
// Get the Clutter GL texture id and target
#ifdef CLUTTER_VERSION_1_10
CoglTexture * th = COGL_TEXTURE( clutter_texture_get_cogl_texture( CLUTTER_TEXTURE( actor ) ) );
#else
CoglHandle th = clutter_texture_get_cogl_texture( CLUTTER_TEXTURE( actor ) );
#endif
if ( ! cogl_texture_get_gl_texture( th , & texture , & texture_target ) )
{
tpwarn( "FAILED TO GET GL TEXTURE HANDLE" );
}
// Now, create our context and switch to it
context_op( CREATE_CONTEXT );
context_op( SWITCH_TO_MY_CONTEXT );
// Get the width and height of the actor
gfloat width;
gfloat height;
clutter_actor_get_size( actor , & width , & height );
// Try to create the frame buffer in different ways until one
// succeeds (or all fail).
const int try_flags[] =
{
#if defined(CLUTTER_WINDOWING_GLX) || defined(CLUTTER_WINDOWING_OSX)
FBO_TRY_DEPTH_STENCIL ,
#endif
FBO_TRY_DEPTH | FBO_TRY_STENCIL ,
FBO_TRY_DEPTH ,
FBO_TRY_STENCIL ,
0
};
for ( size_t i = 0; i < sizeof( try_flags ) / sizeof( int ); ++i )
{
if ( try_create_fbo( width , height , try_flags[ i ] ) )
{
break;
}
}
if ( ! framebuffer )
{
tpwarn( "UNABLE TO CREATE FRAMEBUFFER" );
}
else
{
tplog2( "FRAMEBUFFER READY : DEPTH = %s : STENCIL = %s" , have_depth ? "YES" : "NO" , have_stencil ? "YES" : "NO" );
}
context_op( SWITCH_TO_CLUTTER_CONTEXT );
}
/*
* Paints the provided texture frame trimming to the area indicated by padding.
*
* (Basically, we have one asset that gets split into two parts: an border area
* that matches the padding, and the inside; MplPanelBackground paints the
* latter, while the border is painted by the compositor as the window shadow.)
*/
static void
mpl_panel_background_paint_border_image (CoglHandle *frame,
MxPadding *padding)
{
CoglHandle cogl_texture = COGL_INVALID_HANDLE;
CoglHandle cogl_material = COGL_INVALID_HANDLE;
ClutterActorBox box = { 0, };
gfloat width, height;
gfloat tex_width, tex_height;
gfloat ex, ey;
gfloat tx1, ty1, tx2, ty2;
gfloat left = 4, right = 4 , top = 4, bottom =4;
guint8 opacity;
ClutterTexture *parent_texture;
gfloat margin_l, margin_r, margin_t, margin_b;
parent_texture = mx_texture_frame_get_parent_texture (frame);
mx_texture_frame_get_border_values (frame, &top, &right, &bottom, &left);
/* no need to paint stuff if we don't have a texture */
if (G_UNLIKELY (parent_texture == NULL))
return;
/* parent texture may have been hidden, so need to make sure it gets
* realized
*/
if (!CLUTTER_ACTOR_IS_REALIZED (parent_texture))
clutter_actor_realize (CLUTTER_ACTOR (parent_texture));
cogl_texture = clutter_texture_get_cogl_texture (parent_texture);
if (cogl_texture == COGL_INVALID_HANDLE)
return;
cogl_material = clutter_texture_get_cogl_material (parent_texture);
if (cogl_material == COGL_INVALID_HANDLE)
return;
tex_width = cogl_texture_get_width (cogl_texture);
tex_height = cogl_texture_get_height (cogl_texture);
clutter_actor_get_allocation_box ((ClutterActor*) frame, &box);
width = box.x2 - box.x1;
height = box.y2 - box.y1;
/*
* These are the margins we are to trim expressed in texture coordinates.
*/
margin_l = padding->left / tex_width;
margin_r = padding->right / tex_width;
margin_t = padding->top / tex_height;
margin_b = padding->bottom / tex_height;
tx1 = left / tex_width;
tx2 = (tex_width - right) / tex_width;
ty1 = top / tex_height;
ty2 = (tex_height - bottom) / tex_height;
ex = width - right;
if (ex < 0)
ex = right;
ey = height - bottom;
if (ey < 0)
ey = bottom;
opacity = clutter_actor_get_paint_opacity ((ClutterActor*)frame);
cogl_material_set_color4ub (cogl_material,
opacity, opacity, opacity, opacity);
cogl_set_source (cogl_material);
cogl_material_set_layer_filters (cogl_material,
0,
COGL_MATERIAL_FILTER_NEAREST,
COGL_MATERIAL_FILTER_NEAREST);
{
GLfloat rectangles[] =
{
/* top left corner */
0.0, 0.0, left, top,
margin_l, margin_t,
tx1, ty1,
/* top middle */
left, 0.0, ex, top,
tx1, margin_t,
tx2, ty1,
/* top right */
ex, 0.0, width, top,
tx2, margin_t,
1.0 - margin_r, ty1,
/* mid left */
0.0, top, left, ey,
margin_l, ty1,
tx1, ty2,
/* center */
left, top, ex, ey,
tx1, ty1,
tx2, ty2,
/* mid right */
ex, top, width, ey,
tx2, ty1,
1.0 - margin_r, ty2,
/* bottom left */
0.0, ey, left, height,
margin_l, ty2,
tx1, 1.0 - margin_b,
/* bottom center */
left, ey, ex, height,
tx1, ty2,
tx2, 1.0 - margin_b,
/* bottom right */
ex, ey, width, height,
tx2, ty2,
1.0 - margin_r, 1.0 - margin_b
};
cogl_rectangles_with_texture_coords (rectangles, 9);
}
}
int
main (int argc, char *argv[])
{
ClutterLayoutManager *layout;
ClutterActor *box;
ClutterActor *stage;
ClutterActor *texture;
CoglHandle *cogl_texture;
GError *error = NULL;
gfloat width;
const gchar *filename = "redhand.png";
if (argc > 1)
filename = argv[1];
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_actor_set_size (stage, STAGE_SIDE, STAGE_SIDE);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
CLUTTER_BIN_ALIGNMENT_CENTER);
box = clutter_actor_new ();
clutter_actor_set_layout_manager (box, layout);
clutter_actor_set_background_color (box, &box_color);
texture = clutter_texture_new_from_file (filename, &error);
if (error != NULL)
g_error ("Error loading file %s; message was:\n%s",
filename,
error->message);
/*
* get a reference to the underlying Cogl texture
* for copying onto each Clutter texture placed into the layout
*/
cogl_texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (texture));
/*
* add gradually turning and shrinking textures,
* smallest one last; each actor ends up on top
* of the one added just before it
*/
for (width = STAGE_SIDE * 0.75; width >= STAGE_SIDE * 0.0625; width -= STAGE_SIDE * 0.0625)
{
ClutterActor *texture_copy = clutter_texture_new ();
clutter_texture_set_cogl_texture (CLUTTER_TEXTURE (texture_copy),
cogl_texture);
clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (texture_copy),
TRUE);
clutter_actor_set_z_rotation_from_gravity (texture_copy,
(gfloat)(width * 0.5) - (STAGE_SIDE * 0.03125),
CLUTTER_GRAVITY_CENTER);
clutter_actor_set_width (texture_copy, width);
clutter_actor_add_child (box, texture_copy);
}
clutter_actor_add_constraint (box, clutter_align_constraint_new (stage, CLUTTER_ALIGN_BOTH, 0.5));
clutter_actor_add_child (stage, box);
clutter_actor_show (stage);
clutter_main ();
return 0;
}
static void
clutter_x11_texture_pixmap_paint (ClutterActor *self)
{
ClutterX11TexturePixmap *texture = CLUTTER_X11_TEXTURE_PIXMAP (self);
ClutterX11TexturePixmapPrivate *priv = texture->priv;
gint x_1, y_1, x_2, y_2;
ClutterColor col = { 0xff, 0xff, 0xff, 0xff };
ClutterFixed t_w, t_h;
GList *shape;
CoglHandle cogl_texture;
g_return_if_fail (CLUTTER_X11_IS_TEXTURE_PIXMAP (texture));
/* If we have no shapes, just call what we had before */
if (priv->shapes==0)
{
CLUTTER_ACTOR_CLASS(clutter_x11_texture_pixmap_parent_class)->paint(self);
return;
}
if (!CLUTTER_ACTOR_IS_REALIZED (CLUTTER_ACTOR(texture)))
clutter_actor_realize (CLUTTER_ACTOR(texture));
CLUTTER_NOTE (PAINT,
"painting X11 texture '%s'",
clutter_actor_get_name (self) ? clutter_actor_get_name (self)
: "unknown");
col.alpha = clutter_actor_get_paint_opacity (self);
cogl_color (&col);
clutter_actor_get_allocation_coords (self, &x_1, &y_1, &x_2, &y_2);
CLUTTER_NOTE (PAINT, "paint to x1: %i, y1: %i x2: %i, y2: %i "
"opacity: %i",
x_1, y_1, x_2, y_2,
clutter_actor_get_opacity (self));
t_w = CFX_ONE;
t_h = CFX_ONE;
cogl_texture = clutter_texture_get_cogl_texture(CLUTTER_TEXTURE(self));
if (cogl_texture == COGL_INVALID_HANDLE)
return;
/* so now we go through our shapes and render */
for (shape = priv->shapes; shape; shape = shape->next)
{
gint w = x_2 - x_1;
gint h = y_2 - y_1;
ClutterGeometry *geo = (ClutterGeometry*)shape->data;
cogl_texture_rectangle (
cogl_texture,
CLUTTER_INT_TO_FIXED(w * geo->x / priv->pixmap_width),
CLUTTER_INT_TO_FIXED(h * geo->y / priv->pixmap_height),
CLUTTER_INT_TO_FIXED(w * (geo->x+geo->width) / priv->pixmap_width),
CLUTTER_INT_TO_FIXED(h * (geo->y+geo->height) / priv->pixmap_height),
t_w * geo->x / priv->pixmap_width,
t_h * geo->y / priv->pixmap_height,
t_w * (geo->x+geo->width) / priv->pixmap_width,
t_h * (geo->y+geo->height) / priv->pixmap_height);
}
}
static void
mnb_toolbar_shadow_paint (ClutterActor *self)
{
MnbToolbarShadowPrivate *priv = MNB_TOOLBAR_SHADOW (self)->priv;
CoglHandle cogl_texture = COGL_INVALID_HANDLE;
CoglHandle cogl_material = COGL_INVALID_HANDLE;
ClutterActorBox box = { 0, };
gfloat width, height;
gfloat tex_width, tex_height;
gfloat ex, ey;
gfloat tx1, ty1, tx2, ty2;
guint8 opacity;
/* no need to paint stuff if we don't have a texture */
if (G_UNLIKELY (priv->parent_texture == NULL))
return;
/* parent texture may have been hidden, so need to make sure it gets
* realized
*/
if (!CLUTTER_ACTOR_IS_REALIZED (priv->parent_texture))
clutter_actor_realize (CLUTTER_ACTOR (priv->parent_texture));
cogl_texture = clutter_texture_get_cogl_texture (priv->parent_texture);
if (cogl_texture == COGL_INVALID_HANDLE)
return;
cogl_material = clutter_texture_get_cogl_material (priv->parent_texture);
if (cogl_material == COGL_INVALID_HANDLE)
return;
tex_width = cogl_texture_get_width (cogl_texture);
tex_height = cogl_texture_get_height (cogl_texture);
clutter_actor_get_allocation_box (self, &box);
width = box.x2 - box.x1;
height = box.y2 - box.y1;
opacity = clutter_actor_get_paint_opacity (self);
/* Paint using the parent texture's material. It should already have
the cogl texture set as the first layer */
/* NB: for correct blending we need set a preumultiplied color here: */
cogl_material_set_color4ub (cogl_material,
opacity, opacity, opacity, opacity);
#if TOOLBAR_CUT_OUT
selector_texture = mnb_toolbar_get_selector_texture (priv->toolbar);
cogl_material_set_layer (cogl_material, 1, selector_texture);
cogl_material_set_layer_wrap_mode (cogl_material, 1,
COGL_MATERIAL_WRAP_MODE_CLAMP_TO_EDGE);
if (!cogl_material_set_layer_combine (cogl_material, 1,
"RGBA = MODULATE(PREVIOUS,TEXTURE)",
&error))
{
g_warning (G_STRLOC ": Error setting layer combine blend string: %s",
error->message);
g_error_free (error);
}
#endif
cogl_set_source (cogl_material);
/* simple stretch */
if (priv->left == 0 && priv->right == 0 && priv->top == 0
&& priv->bottom == 0)
{
#if TOOLBAR_CUT_OUT
float spot_width, spot_height;
float coords[8] = {
0, 0, 1, 1,
0, 0, 0, 0
};
mnb_toolbar_get_selector_allocation_box (priv->toolbar, &box);
spot_width = box.x2 - box.x1;
spot_height = box.y2 - box.y1;
coords[4] = -(box.x1 / width) * (width / spot_width);
coords[5] = -(box.y1 + SHADOW_CUT_OUT_OFFSET / height) * (height / spot_height);
coords[6] = width / spot_width - (box.x1 / width) * (width / spot_width);
coords[7] = height / spot_height -
(box.y1 + SHADOW_CUT_OUT_OFFSET / height) * (height / spot_height);
cogl_rectangle_with_multitexture_coords (0, 0, width, height, coords, 8);
#else
cogl_rectangle (0, 0, width, height);
#endif /* TOOLBAR_CUT_OUT */
return;
}
tx1 = priv->left / tex_width;
tx2 = (tex_width - priv->right) / tex_width;
ty1 = priv->top / tex_height;
ty2 = (tex_height - priv->bottom) / tex_height;
ex = width - priv->right;
if (ex < priv->left)
ex = priv->left;
ey = height - priv->bottom;
if (ey < priv->top)
ey = priv->top;
{
GLfloat rectangles[] =
{
/* top left corner */
0, 0,
priv->left, priv->top,
0.0, 0.0,
tx1, ty1,
/* top middle */
priv->left, 0,
MAX (priv->left, ex), priv->top,
tx1, 0.0,
tx2, ty1,
/* top right */
ex, 0,
MAX (ex + priv->right, width), priv->top,
tx2, 0.0,
1.0, ty1,
/* mid left */
0, priv->top,
priv->left, ey,
0.0, ty1,
tx1, ty2,
/* center */
priv->left, priv->top,
ex, ey,
tx1, ty1,
tx2, ty2,
/* mid right */
ex, priv->top,
MAX (ex + priv->right, width), ey,
tx2, ty1,
1.0, ty2,
/* bottom left */
0, ey,
priv->left, MAX (ey + priv->bottom, height),
0.0, ty2,
tx1, 1.0,
/* bottom center */
priv->left, ey,
ex, MAX (ey + priv->bottom, height),
tx1, ty2,
tx2, 1.0,
/* bottom right */
ex, ey,
MAX (ex + priv->right, width), MAX (ey + priv->bottom, height),
tx2, ty2,
1.0, 1.0
};
cogl_rectangles_with_texture_coords (rectangles, 9);
}
}
int
main (int argc, char *argv[])
{
ClutterActor *video;
GdkPixbuf *shot = NULL;
gint duration;
CoglHandle tex_id;
CoglPixelFormat format;
gint size;
gint width;
gint height;
gint rowstride;
guchar *data = NULL;
#ifdef USE_HELIX
clutter_helix_init (&argc, &argv);
#else
gst_init (&argc, &argv);
#endif
clutter_init (&argc, &argv);
if (argc < 3)
{
g_print ("Usage: %s <path to movie file> <output png>\n", argv[0]);
exit(-1);
}
totem_resources_monitor_start (argv[1], 60 * G_USEC_PER_SEC);
#ifdef USE_HELIX
video = clutter_helix_video_texture_new ();
#else
video = clutter_gst_video_texture_new ();
#endif
if (argv[1][0] == '/')
clutter_media_set_filename(CLUTTER_MEDIA(video), argv[1]);
else
clutter_media_set_uri(CLUTTER_MEDIA(video), argv[1]);
clutter_media_set_volume (CLUTTER_MEDIA(video), 0);
clutter_media_set_playing (CLUTTER_MEDIA(video), TRUE);
do {
while (g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
duration = clutter_media_get_duration (CLUTTER_MEDIA(video));
} while (duration == 0);
clutter_actor_realize (video);
clutter_media_set_position (CLUTTER_MEDIA(video), duration/3);
do {
while (g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
} while (clutter_media_get_position (CLUTTER_MEDIA(video)) <= duration/3);
tex_id = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (video));
if (tex_id)
{
format = cogl_texture_get_format (tex_id);
size = cogl_texture_get_data (tex_id, format, 0, NULL);
width = cogl_texture_get_width (tex_id);
height = cogl_texture_get_height (tex_id);
rowstride = cogl_texture_get_rowstride (tex_id);
data = (guchar*) g_malloc (sizeof(guchar) * size);
if (!data)
g_error ("malloc");;
cogl_texture_get_data (tex_id, format, rowstride, data);
shot = gdk_pixbuf_new_from_data (data,
GDK_COLORSPACE_RGB,
FALSE,
8,
width,
height,
rowstride,
NULL,
NULL);
}
totem_resources_monitor_stop ();
if (shot)
{
GdkPixbuf *thumb, *pic;
gint x, y, nw, nh, w, h, size;
size = 128;
/* FIXME swap RGB pixels */
w = clutter_actor_get_width (video);
h = clutter_actor_get_height (video);
nh = ( h * size) / w;
if (nh <= size)
{
nw = size;
x = 0;
y = (size - nh) / 2;
}
else
{
nw = ( w * size ) / h;
nh = size;
x = (size - nw) / 2;
y = 0;
}
thumb = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, size, size);
gdk_pixbuf_fill (thumb, 0x000000FF);
pic = gdk_pixbuf_scale_simple (shot, nw, nh, GDK_INTERP_BILINEAR);
gdk_pixbuf_copy_area (pic, 0, 0, nw, nh, thumb, x, y);
if (!gdk_pixbuf_save (thumb, argv[2], "png", NULL, NULL))
{
g_error ("%s: Pixbuf save failed\n", argv[0]);
exit(-1);
}
g_object_unref (shot);
g_object_unref (thumb);
g_object_unref (pic);
exit(0);
}
exit (-1);
}
int
main (int argc, char *argv[])
{
ClutterLayoutManager *layout;
ClutterActor *box;
ClutterActor *stage;
ClutterActor *texture;
CoglHandle *cogl_texture;
GError *error = NULL;
gfloat width;
gchar *filename = TESTS_DATA_DIR "/redhand.png";
if (argc > 1)
filename = argv[1];
clutter_init (&argc, &argv);
stage = clutter_stage_get_default ();
clutter_actor_set_size (stage, STAGE_SIDE, STAGE_SIDE);
layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
CLUTTER_BIN_ALIGNMENT_CENTER);
box = clutter_box_new (layout);
clutter_box_set_color (CLUTTER_BOX (box), &box_color);
texture = clutter_texture_new_from_file (filename, &error);
if (error != NULL)
g_error ("Error loading file %s; message was:\n%s",
filename,
error->message);
/*
* get a reference to the underlying Cogl texture
* for copying onto each Clutter texture placed into the layout
*/
cogl_texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (texture));
/*
* add gradually turning and shrinking textures,
* smallest one last; each actor ends up on top
* of the one added just before it
*/
for (width = STAGE_SIDE * 0.75; width >= STAGE_SIDE * 0.0625; width -= STAGE_SIDE * 0.0625)
{
ClutterActor *texture_copy = clutter_texture_new ();
clutter_texture_set_cogl_texture (CLUTTER_TEXTURE (texture_copy),
cogl_texture);
clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (texture_copy),
TRUE);
clutter_actor_set_z_rotation_from_gravity (texture_copy,
(gfloat)(width * 0.5) - (STAGE_SIDE * 0.03125),
CLUTTER_GRAVITY_CENTER);
clutter_actor_set_width (texture_copy, width);
clutter_container_add_actor (CLUTTER_CONTAINER (box), texture_copy);
}
clutter_actor_add_constraint (box, clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5));
clutter_actor_add_constraint (box, clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5));
clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
clutter_actor_show (stage);
clutter_main ();
return 0;
}
