mirror of
https://github.com/brl/mutter.git
synced 2024-11-22 08:00:42 -05:00
2006-06-08 Matthew Allum <mallum@openedhand.com>
* clutter/clutter-main.c:
* clutter/clutter-private.h:
* clutter/clutter-stage.c:
Rework and fix offscreen rendering, also rejig GLX
context handling, moving mostly into stage.
Require at least OpenGL 1.2 ( CLAMP_TO_EDGE )
* clutter/clutter-texture.c:
Explicity set props on _init() as to avoid nasty can_create
bug failing miserably in certain situations.
Switch to CLAMP_TO_EDGE for textures to avoid tile seams.
Add some more GL error checks.
* clutter/clutter-label.c:
Extra debug info
* configure.ac:
Require gdk-pixbuf-xlib-2.0
This commit is contained in:
Matthew Allum
parent
f00e84606c
commit
9c572ff45a
@ -317,6 +317,7 @@ clutter_label_init (ClutterLabel *self)
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pango_ft2_font_map_substitute_changed (font_map);
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g_object_unref (font_map);
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*/
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CLUTTER_MARK();
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}
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/**
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@ -332,6 +333,8 @@ ClutterElement *
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clutter_label_new_with_text (const gchar *font_name,
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const gchar *text)
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{
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CLUTTER_MARK();
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return g_object_new (CLUTTER_TYPE_LABEL,
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"font-name", font_name,
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"text", text,
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@ -42,9 +42,6 @@ typedef struct
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}
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ClutterXEventSource;
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#define GLX_SAMPLE_BUFFERS_ARB 100000
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#define GLX_SAMPLES_ARB 100001
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typedef void (*ClutterXEventFunc) (XEvent *xev, gpointer user_data);
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static gboolean __clutter_has_debug = FALSE;
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@ -289,19 +286,21 @@ clutter_redraw (void)
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{
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#if 0
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unsigned int retraceCount;
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// Wait for vertical retrace
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// glXGetVideoSyncSGI(&retraceCount);
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// glXWaitVideoSyncSGI(2, (retraceCount+1)%2, &retraceCount);
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/* Wait for vertical retrace */
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/* glXGetVideoSyncSGI(&retraceCount); */
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/* glXWaitVideoSyncSGI(2, (retraceCount+1)%2, &retraceCount); */
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glXWaitVideoSyncSGI(1, 0, &retraceCount);
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#endif
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glXSwapBuffers(ctx->xdpy, clutter_stage_get_xwindow (stage));
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}
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else
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{
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glFlush();
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glXWaitGL();
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CLUTTER_GLERR();
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}
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if (clutter_want_fps ())
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{
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timer_n_frames++;
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@ -439,19 +438,6 @@ clutter_root_xwindow (void)
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return ClutterCntx->xwin_root;
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}
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/**
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* clutter_xvisual:
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*
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* FIXME
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*
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* Return value: FIXME
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*/
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XVisualInfo*
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clutter_xvisual (void)
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{
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return ClutterCntx->xvinfo;
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}
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/**
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* clutter_want_debug:
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*
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@ -465,18 +451,6 @@ clutter_want_debug (void)
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return __clutter_has_debug;
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}
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/**
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* clutter_gl_context_set_indirect:
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* @indirect: FIXME
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*
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* FIXME
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*/
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void
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clutter_gl_context_set_indirect (gboolean indirect)
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{
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}
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ClutterMainContext*
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clutter_context_get_default (void)
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{
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@ -493,6 +467,32 @@ clutter_context_get_default (void)
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return ClutterCntx;
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}
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static gboolean
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is_gl_version_at_least_12 (void)
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{
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#define NON_VENDOR_VERSION_MAX_LEN 32
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gchar non_vendor_version[NON_VENDOR_VERSION_MAX_LEN];
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const gchar *version;
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gint i = 0;
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version = (const gchar*)glGetString(GL_VERSION);
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while ( ((version[i] <= '9' && version[i] >= '0') || version[i] == '.')
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&& i < NON_VENDOR_VERSION_MAX_LEN)
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{
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non_vendor_version[i] = version[i];
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i++;
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}
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non_vendor_version[i] = '\0';
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if (strstr (non_vendor_version, "1.0") == NULL
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&& strstr (non_vendor_version, "1.0") == NULL)
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return TRUE;
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return FALSE;
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}
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/**
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* clutter_init:
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* @argc: FIXME
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@ -506,20 +506,8 @@ int
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clutter_init (int *argc, char ***argv)
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{
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ClutterMainContext *context;
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XVisualInfo *vinfo;
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static gboolean is_initialized = FALSE;
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int gl_attributes[] = {
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GLX_RGBA,
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GLX_DOUBLEBUFFER,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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/* GLX_DEPTH_SIZE, 1, */
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/* GLX_DEPTH_SIZE, 32, */
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0
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};
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if (is_initialized)
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return 1;
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@ -545,22 +533,13 @@ clutter_init (int *argc, char ***argv)
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if ((context->xdpy = XOpenDisplay (g_getenv ("DISPLAY"))) == NULL)
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{
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g_warning("Unable to connect to X DISPLAY.");
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g_critical ("Unable to connect to X DISPLAY.");
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return -1;
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}
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context->xscreen = DefaultScreen(context->xdpy);
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context->xwin_root = RootWindow(context->xdpy,
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context->xscreen);
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context->xvinfo = glXChooseVisual (context->xdpy,
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context->xscreen,
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gl_attributes);
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if (!context->xvinfo)
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{
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g_warning ("Unable to find suitable GL visual.");
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return -2;
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}
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context->font_map = PANGO_FT2_FONT_MAP (pango_ft2_font_map_new ());
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pango_ft2_font_map_set_resolution (context->font_map, 96.0, 96.0);
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@ -571,6 +550,12 @@ clutter_init (int *argc, char ***argv)
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g_return_val_if_fail (CLUTTER_IS_STAGE (context->stage), -3);
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clutter_element_realize (CLUTTER_ELEMENT (context->stage));
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g_return_val_if_fail
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(CLUTTER_ELEMENT_IS_REALIZED(CLUTTER_ELEMENT(context->stage)), -4);
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/* At least GL 1.2 is needed for CLAMP_TO_EDGE */
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g_return_val_if_fail(is_gl_version_at_least_12 (), -5);
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events_init ();
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context->is_initialized = TRUE;
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@ -52,8 +52,6 @@ struct _ClutterMainContext
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Display *xdpy;
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Window xwin_root;
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int xscreen;
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XVisualInfo *xvinfo;
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GC xgc;
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PangoFT2FontMap *font_map;
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@ -35,6 +35,8 @@
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#include <GL/glx.h>
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#include <GL/gl.h>
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#include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
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/* the stage is a singleton instance */
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static ClutterStage *stage_singleton = NULL;
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@ -45,6 +47,7 @@ G_DEFINE_TYPE (ClutterStage, clutter_stage, CLUTTER_TYPE_GROUP);
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struct _ClutterStagePrivate
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{
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XVisualInfo *xvisinfo;
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Window xwin;
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Pixmap xpixmap;
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gint xwin_width, xwin_height; /* FIXME target_width / height */
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@ -52,6 +55,7 @@ struct _ClutterStagePrivate
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GLXPixmap glxpixmap;
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GLXContext gl_context;
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ClutterColor color;
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guint want_fullscreen : 1;
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@ -245,8 +249,12 @@ clutter_stage_unrealize (ClutterElement *element)
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stage = CLUTTER_STAGE(element);
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priv = stage->priv;
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CLUTTER_MARK();
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if (priv->want_offscreen)
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{
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if (priv->glxpixmap)
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{
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glXDestroyGLXPixmap (clutter_xdisplay(), priv->glxpixmap);
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@ -267,6 +275,10 @@ clutter_stage_unrealize (ClutterElement *element)
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priv->xwin = None;
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}
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}
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glXMakeCurrent(clutter_xdisplay(), None, NULL);
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glXDestroyContext (clutter_xdisplay(), priv->gl_context);
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priv->gl_context = None;
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}
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static void
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@ -279,31 +291,105 @@ clutter_stage_realize (ClutterElement *element)
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priv = stage->priv;
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CLUTTER_MARK();
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if (priv->want_offscreen)
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{
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priv->xpixmap = XCreatePixmap (clutter_xdisplay(),
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clutter_root_xwindow(),
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priv->xwin_width, priv->xwin_height,
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clutter_xvisual()->depth);
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int gl_attributes[] = {
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GLX_RGBA,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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0
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};
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priv->glxpixmap = glXCreateGLXPixmap(clutter_xdisplay(),
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clutter_xvisual(),
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priv->xpixmap);
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sync_fullscreen (stage);
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if (priv->xvisinfo)
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XFree(priv->xvisinfo);
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priv->xvisinfo = glXChooseVisual (clutter_xdisplay(),
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clutter_xscreen(),
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gl_attributes);
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if (!priv->xvisinfo)
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{
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g_critical ("Unable to find suitable GL visual.");
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CLUTTER_ELEMENT_UNSET_FLAGS (element, CLUTTER_ELEMENT_REALIZED);
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return;
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}
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if (priv->gl_context)
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glXDestroyContext (clutter_xdisplay(), priv->gl_context);
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priv->xpixmap = XCreatePixmap (clutter_xdisplay(),
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clutter_root_xwindow(),
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priv->xwin_width,
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priv->xwin_height,
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priv->xvisinfo->depth);
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priv->glxpixmap = glXCreateGLXPixmap(clutter_xdisplay(),
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priv->xvisinfo,
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priv->xpixmap);
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sync_fullscreen (stage);
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/* indirect */
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priv->gl_context = glXCreateContext (clutter_xdisplay(),
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clutter_xvisual(),
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priv->xvisinfo,
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0,
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False);
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glXMakeCurrent(clutter_xdisplay(), priv->glxpixmap, priv->gl_context);
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#if 0
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/* Debug code for monitoring a off screen pixmap via window */
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{
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Colormap cmap;
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XSetWindowAttributes swa;
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cmap = XCreateColormap(clutter_xdisplay(),
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clutter_root_xwindow(),
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priv->xvisinfo->visual, AllocNone);
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/* create a window */
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swa.colormap = cmap;
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foo_win = XCreateWindow(clutter_xdisplay(),
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clutter_root_xwindow(),
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0, 0,
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priv->xwin_width, priv->xwin_height,
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0,
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priv->xvisinfo->depth,
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InputOutput,
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priv->xvisinfo->visual,
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CWColormap, &swa);
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XMapWindow(clutter_xdisplay(), foo_win);
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}
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#endif
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}
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else
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{
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int gl_attributes[] =
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{
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GLX_RGBA,
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GLX_DOUBLEBUFFER,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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0
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};
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if (priv->xvisinfo)
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XFree(priv->xvisinfo);
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priv->xvisinfo = glXChooseVisual (clutter_xdisplay(),
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clutter_xscreen(),
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gl_attributes);
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if (!priv->xvisinfo)
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{
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g_critical ("Unable to find suitable GL visual.");
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CLUTTER_ELEMENT_UNSET_FLAGS (element, CLUTTER_ELEMENT_REALIZED);
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return;
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}
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priv->xwin = XCreateSimpleWindow(clutter_xdisplay(),
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clutter_root_xwindow(),
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0, 0,
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@ -329,13 +415,20 @@ clutter_stage_realize (ClutterElement *element)
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glXDestroyContext (clutter_xdisplay(), priv->gl_context);
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priv->gl_context = glXCreateContext (clutter_xdisplay(),
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clutter_xvisual(),
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priv->xvisinfo,
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0,
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True);
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glXMakeCurrent(clutter_xdisplay(), priv->xwin, priv->gl_context);
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}
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CLUTTER_DBG("===========================================")
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CLUTTER_DBG("GL_VENDOR: %s\n", glGetString(GL_VENDOR));
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CLUTTER_DBG("GL_RENDERER: %s\n", glGetString(GL_RENDERER));
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CLUTTER_DBG("GL_VERSION: %s\n", glGetString(GL_VERSION));
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CLUTTER_DBG("GL_EXTENSIONS: %s\n", glGetString(GL_EXTENSIONS));
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CLUTTER_DBG("===========================================")
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sync_gl_viewport (stage);
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}
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@ -439,6 +532,12 @@ clutter_stage_set_property (GObject *object,
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if (priv->want_offscreen != g_value_get_boolean (value))
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{
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clutter_element_unrealize (CLUTTER_ELEMENT(stage));
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/* NOTE: as we are changing GL contexts here. so
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* all textures will need unreleasing as they will
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* likely have set up ( i.e labels ) in the old
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* context. We should probably somehow do this
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* automatically
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*/
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priv->want_offscreen = g_value_get_boolean (value);
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clutter_element_realize (CLUTTER_ELEMENT(stage));
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}
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@ -530,7 +629,7 @@ clutter_stage_class_init (ClutterStageClass *klass)
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"Fullscreen",
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"Make Clutter stage fullscreen",
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FALSE,
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G_PARAM_READWRITE));
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G_PARAM_CONSTRUCT | G_PARAM_READWRITE));
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g_object_class_install_property
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(gobject_class, PROP_OFFSCREEN,
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@ -538,7 +637,7 @@ clutter_stage_class_init (ClutterStageClass *klass)
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"Offscreen",
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"Make Clutter stage offscreen",
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FALSE,
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G_PARAM_READWRITE));
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G_PARAM_CONSTRUCT | G_PARAM_READWRITE));
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g_object_class_install_property
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@ -547,7 +646,7 @@ clutter_stage_class_init (ClutterStageClass *klass)
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"Hide Cursor",
|
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"Make Clutter stage cursor-less",
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FALSE,
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G_PARAM_READWRITE));
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G_PARAM_CONSTRUCT | G_PARAM_READWRITE));
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g_object_class_install_property
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(gobject_class, PROP_COLOR,
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@ -693,6 +792,20 @@ clutter_stage_get_xwindow (ClutterStage *stage)
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return stage->priv->xwin;
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}
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|
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/**
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* clutter_stage_get_xvisual
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* @stage: A #ClutterStage
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*
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* Get the stages XVisualInfo.
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*
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* Return Value: Thes Stages XVisualInfo
|
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**/
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const XVisualInfo*
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clutter_stage_get_xvisual (ClutterStage *stage)
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{
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return stage->priv->xvisinfo;
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}
|
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|
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/**
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* clutter_stage_set_color
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* @stage: A #ClutterStage
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@ -776,10 +889,13 @@ clutter_stage_snapshot (ClutterStage *stage,
|
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guchar *data;
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GdkPixbuf *pixb, *fpixb;
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ClutterElement *element;
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ClutterStagePrivate *priv;
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|
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g_return_val_if_fail (CLUTTER_IS_STAGE (stage), NULL);
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g_return_val_if_fail (x >= 0 && y >= 0, NULL);
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priv = stage->priv;
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element = CLUTTER_ELEMENT (stage);
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|
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if (width < 0)
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@ -788,32 +904,46 @@ clutter_stage_snapshot (ClutterStage *stage,
|
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if (height < 0)
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height = clutter_element_get_height (element);
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|
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data = g_malloc0 (sizeof (guchar) * width * height * 3);
|
||||
|
||||
if (priv->want_offscreen)
|
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{
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gdk_pixbuf_xlib_init (clutter_xdisplay(), clutter_xscreen());
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|
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pixb = gdk_pixbuf_xlib_get_from_drawable
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(NULL,
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(Drawable)priv->xpixmap,
|
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DefaultColormap(clutter_xdisplay(),
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clutter_xscreen()),
|
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priv->xvisinfo->visual,
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x, y, 0, 0, width, height);
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return pixb;
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}
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else
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{
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data = g_malloc0 (sizeof (guchar) * width * height * 4);
|
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|
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glReadPixels (x,
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clutter_element_get_height (element)
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- y - height,
|
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width,
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height, GL_RGB, GL_UNSIGNED_BYTE, data);
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height, GL_RGBA, GL_UNSIGNED_BYTE, data);
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pixb = gdk_pixbuf_new_from_data (data,
|
||||
GDK_COLORSPACE_RGB,
|
||||
FALSE,
|
||||
TRUE,
|
||||
8,
|
||||
width,
|
||||
height,
|
||||
width * 3,
|
||||
width * 4,
|
||||
snapshot_pixbuf_free,
|
||||
NULL);
|
||||
|
||||
if (pixb == NULL)
|
||||
return NULL;
|
||||
|
||||
fpixb = gdk_pixbuf_flip (pixb, TRUE);
|
||||
|
||||
g_object_unref (pixb);
|
||||
|
||||
return fpixb;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
|
||||
@ -40,7 +40,7 @@ G_DEFINE_TYPE (ClutterTexture, clutter_texture, CLUTTER_TYPE_ELEMENT);
|
||||
#define PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
|
||||
#endif
|
||||
|
||||
#define OVERLAP 0
|
||||
#define OVERLAP 0 /* Dont need as CLAMP_TO_EDGE */
|
||||
|
||||
/* FIXME: actually use */
|
||||
typedef struct ClutterTextureTileDimention
|
||||
@ -103,15 +103,15 @@ can_create (int width,
|
||||
|
||||
CLUTTER_DBG("checking %ix%i", width, height);
|
||||
|
||||
|
||||
glTexImage2D (GL_PROXY_TEXTURE_2D, 0, GL_RGBA,
|
||||
width, height, 0 /* border */,
|
||||
pixel_format, pixel_type, NULL);
|
||||
|
||||
CLUTTER_GLERR();
|
||||
|
||||
glGetTexLevelParameteriv (GL_PROXY_TEXTURE_2D, 0,
|
||||
GL_TEXTURE_WIDTH, &new_width);
|
||||
|
||||
|
||||
return new_width != 0;
|
||||
}
|
||||
|
||||
@ -165,9 +165,6 @@ init_tiles (ClutterTexture *texture)
|
||||
x_pot = clutter_util_next_p2 (priv->width);
|
||||
y_pot = clutter_util_next_p2 (priv->height);
|
||||
|
||||
if (x_pot - priv->width > priv->max_tile_waste
|
||||
&& y_pot - priv->height > priv->max_tile_waste)
|
||||
{
|
||||
while (!(can_create (x_pot, y_pot, priv->pixel_format, priv->pixel_type)
|
||||
&& (x_pot - priv->width < priv->max_tile_waste)
|
||||
&& (y_pot - priv->height < priv->max_tile_waste)))
|
||||
@ -183,7 +180,6 @@ init_tiles (ClutterTexture *texture)
|
||||
else
|
||||
y_pot /= 2;
|
||||
}
|
||||
}
|
||||
|
||||
if (priv->x_tiles)
|
||||
g_free(priv->x_tiles);
|
||||
@ -290,11 +286,11 @@ texture_render_to_gl_quad (ClutterTexture *texture,
|
||||
glTexCoord2f (tx, 0); glVertex2i (qx2, qy1);
|
||||
glEnd ();
|
||||
|
||||
lasty += qy2 - qy1;
|
||||
lasty += (qy2 - qy1) ;
|
||||
|
||||
i++;
|
||||
}
|
||||
lastx += qx2 - qx1;
|
||||
lastx += (qx2 - qx1);
|
||||
}
|
||||
}
|
||||
|
||||
@ -376,11 +372,11 @@ clutter_texture_sync_pixbuf (ClutterTexture *texture)
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D,
|
||||
GL_TEXTURE_WRAP_S,
|
||||
priv->repeat_x ? GL_REPEAT : GL_CLAMP);
|
||||
priv->repeat_x ? GL_REPEAT : GL_CLAMP_TO_EDGE);
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D,
|
||||
GL_TEXTURE_WRAP_T,
|
||||
priv->repeat_y ? GL_REPEAT : GL_CLAMP);
|
||||
priv->repeat_y ? GL_REPEAT : GL_CLAMP_TO_EDGE);
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
|
||||
priv->filter_quality ? GL_LINEAR : GL_NEAREST);
|
||||
@ -490,11 +486,11 @@ clutter_texture_sync_pixbuf (ClutterTexture *texture)
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D,
|
||||
GL_TEXTURE_WRAP_S,
|
||||
priv->repeat_x ? GL_REPEAT : GL_CLAMP);
|
||||
priv->repeat_x ? GL_REPEAT : GL_CLAMP_TO_EDGE);
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D,
|
||||
GL_TEXTURE_WRAP_T,
|
||||
priv->repeat_y ? GL_REPEAT : GL_CLAMP);
|
||||
priv->repeat_y ? GL_REPEAT : GL_CLAMP_TO_EDGE);
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
|
||||
priv->filter_quality ? GL_LINEAR : GL_NEAREST);
|
||||
@ -876,8 +872,23 @@ clutter_texture_init (ClutterTexture *self)
|
||||
ClutterTexturePrivate *priv;
|
||||
|
||||
priv = g_new0 (ClutterTexturePrivate, 1);
|
||||
|
||||
/* FIXME: It seems defaults via props do not get set
|
||||
* on all props for sub classes ( ie labels ).
|
||||
* Should they be ?
|
||||
*
|
||||
* Setting them here also to be sure + safe.
|
||||
*/
|
||||
priv->max_tile_waste = 64;
|
||||
priv->filter_quality = 0;
|
||||
priv->tiled = TRUE;
|
||||
priv->pixel_type = PIXEL_TYPE;
|
||||
priv->pixel_format = GL_RGBA;
|
||||
priv->repeat_x = FALSE;
|
||||
priv->repeat_y = FALSE;
|
||||
priv->pixbuf = NULL;
|
||||
|
||||
|
||||
self->priv = priv;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user