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mutter/clutter/eglx/clutter-stage-egl.c
Matthew Allum b84c5311ee 2008-06-25 Matthew Allum <mallum@openedhand.com> 
* clutter/eglnative/clutter-stage-egl.c:
        * clutter/eglx/clutter-stage-egl.c:
        Disable passing of attribs to eglCreateContext() on GLES 1.1 h/w
2008-06-25 11:17:43 +00:00

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8.7 KiB
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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "clutter-backend-egl.h"
#include "clutter-stage-egl.h"
#include "clutter-eglx.h"
#include "../clutter-main.h"
#include "../clutter-feature.h"
#include "../clutter-color.h"
#include "../clutter-util.h"
#include "../clutter-event.h"
#include "../clutter-enum-types.h"
#include "../clutter-private.h"
#include "../clutter-debug.h"
#include "../clutter-units.h"
#include "../clutter-container.h"
#include "../clutter-stage.h"
#include "../clutter-stage-window.h"
static void clutter_stage_window_iface_init (ClutterStageWindowIface *iface);
G_DEFINE_TYPE_WITH_CODE (ClutterStageEGL,
clutter_stage_egl,
CLUTTER_TYPE_STAGE_X11,
G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_STAGE_WINDOW,
clutter_stage_window_iface_init));
static void
clutter_stage_egl_unrealize (ClutterActor *actor)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (actor);
ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (actor);
gboolean was_offscreen;
CLUTTER_MARK();
g_object_get (stage_x11->wrapper, "offscreen", &was_offscreen, NULL);
CLUTTER_ACTOR_CLASS (clutter_stage_egl_parent_class)->unrealize (actor);
clutter_x11_trap_x_errors ();
if (G_UNLIKELY (was_offscreen))
{
/* No support as yet for this */
}
else
{
if (!stage_x11->is_foreign_xwin && stage_x11->xwin != None)
{
XDestroyWindow (stage_x11->xdpy, stage_x11->xwin);
stage_x11->xwin = None;
}
else
stage_x11->xwin = None;
}
if (stage_egl->egl_surface)
{
eglDestroySurface (clutter_eglx_display (), stage_egl->egl_surface);
stage_egl->egl_surface = EGL_NO_SURFACE;
}
XSync (stage_x11->xdpy, False);
clutter_x11_untrap_x_errors ();
CLUTTER_MARK ();
}
static void
clutter_stage_egl_realize (ClutterActor *actor)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (actor);
ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (actor);
ClutterBackendEGL *backend_egl;
ClutterBackendX11 *backend_x11;
EGLConfig configs[2];
EGLint config_count;
EGLBoolean status;
gboolean is_offscreen = FALSE;
CLUTTER_NOTE (BACKEND, "Realizing main stage");
g_object_get (stage_x11->wrapper, "offscreen", &is_offscreen, NULL);
backend_egl = CLUTTER_BACKEND_EGL (clutter_get_default_backend ());
backend_x11 = CLUTTER_BACKEND_X11 (clutter_get_default_backend ());
if (G_LIKELY (!is_offscreen))
{
int c;
int num_configs;
EGLConfig *all_configs;
EGLint cfg_attribs[] = {
EGL_BUFFER_SIZE, EGL_DONT_CARE,
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
#ifdef HAVE_COGL_GLES2
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
#else /* HAVE_COGL_GLES2 */
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
#endif /* HAVE_COGL_GLES2 */
EGL_NONE
};
status = eglGetConfigs (backend_egl->edpy,
configs,
2,
&config_count);
eglGetConfigs (clutter_eglx_display (), NULL, 0, &num_configs);
all_configs = g_malloc (num_configs * sizeof (EGLConfig));
eglGetConfigs (clutter_eglx_display (),
all_configs,
num_configs,
&num_configs);
for (c = 0; c < num_configs; ++c)
{
EGLint red = -1, green = -1, blue = -1, alpha = -1, stencil = -1;
eglGetConfigAttrib (clutter_eglx_display (),
all_configs[c],
EGL_RED_SIZE, &red);
eglGetConfigAttrib (clutter_eglx_display (),
all_configs[c],
EGL_GREEN_SIZE, &green);
eglGetConfigAttrib (clutter_eglx_display (),
all_configs[c],
EGL_BLUE_SIZE, &blue);
eglGetConfigAttrib (clutter_eglx_display (),
all_configs[c],
EGL_ALPHA_SIZE, &alpha);
eglGetConfigAttrib (clutter_eglx_display (),
all_configs[c],
EGL_STENCIL_SIZE, &stencil);
CLUTTER_NOTE (BACKEND, "EGLConfig == R:%d G:%d B:%d A:%d S:%d \n",
red, green, blue, alpha, stencil);
}
g_free (all_configs);
if (status != EGL_TRUE)
{
g_critical ("eglGetConfigs failed");
goto fail;
}
status = eglChooseConfig (backend_egl->edpy,
cfg_attribs,
configs,
G_N_ELEMENTS (configs),
&config_count);
if (status != EGL_TRUE)
{
g_critical ("eglChooseConfig failed");
goto fail;
}
if (stage_x11->xwin == None)
stage_x11->xwin =
XCreateSimpleWindow (stage_x11->xdpy,
stage_x11->xwin_root,
0, 0,
stage_x11->xwin_width,
stage_x11->xwin_height,
0, 0,
WhitePixel (stage_x11->xdpy,
stage_x11->xscreen));
if (clutter_x11_has_xinput())
{
XSelectInput (stage_x11->xdpy, stage_x11->xwin,
StructureNotifyMask |
FocusChangeMask |
ExposureMask |
PropertyChangeMask);
#ifdef USE_XINPUT
_clutter_x11_select_events (stage_x11->xwin);
#endif
}
else
XSelectInput (stage_x11->xdpy, stage_x11->xwin,
StructureNotifyMask |
FocusChangeMask |
ExposureMask |
/* FIXME: we may want to eplicity enable MotionMask */
PointerMotionMask |
KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask |
PropertyChangeMask);
/* FIXME, do these in a clutterstage_x11_realise? */
clutter_stage_x11_fix_window_size (stage_x11);
clutter_stage_x11_set_wm_protocols (stage_x11);
if (stage_egl->egl_surface != EGL_NO_SURFACE)
{
eglDestroySurface (backend_egl->edpy, stage_egl->egl_surface);
stage_egl->egl_surface = EGL_NO_SURFACE;
}
stage_egl->egl_surface =
eglCreateWindowSurface (backend_egl->edpy,
configs[0],
(NativeWindowType) stage_x11->xwin,
NULL);
if (stage_egl->egl_surface == EGL_NO_SURFACE)
{
g_critical ("Unable to create an EGL surface");
goto fail;
}
if (G_UNLIKELY (backend_egl->egl_context == None))
{
#ifdef HAVE_COGL_GLES2
static const EGLint attribs[3]
= { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
backend_egl->egl_context = eglCreateContext (backend_egl->edpy,
configs[0],
EGL_NO_CONTEXT,
attribs);
#else
/* Seems some GLES implementations 1.x do not like attribs... */
backend_egl->egl_context = eglCreateContext (backend_egl->edpy,
configs[0],
EGL_NO_CONTEXT,
NULL);
#endif
if (backend_egl->egl_context == EGL_NO_CONTEXT)
{
g_critical ("Unable to create a suitable EGL context");
goto fail;
}
CLUTTER_NOTE (GL, "Created EGL Context");
}
CLUTTER_ACTOR_SET_FLAGS (actor, CLUTTER_ACTOR_REALIZED);
}
else
{
g_critical ("EGLX Backend does not support offscreen rendering");
goto fail;
}
/* we need to chain up to the X11 stage implementation in order to
* set the window state in case we set it before realizing the stage
*/
CLUTTER_ACTOR_CLASS (clutter_stage_egl_parent_class)->realize (actor);
return;
fail:
CLUTTER_ACTOR_UNSET_FLAGS (actor, CLUTTER_ACTOR_REALIZED);
}
static void
clutter_stage_egl_dispose (GObject *gobject)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (gobject);
ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (gobject);
if (stage_x11->xwin)
clutter_actor_unrealize (CLUTTER_ACTOR (stage_egl));
G_OBJECT_CLASS (clutter_stage_egl_parent_class)->dispose (gobject);
}
static void
clutter_stage_window_iface_init (ClutterStageWindowIface *iface)
{
/* the rest is inherited from ClutterStageX11 */
}
static void
clutter_stage_egl_class_init (ClutterStageEGLClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
gobject_class->dispose = clutter_stage_egl_dispose;
actor_class->realize = clutter_stage_egl_realize;
actor_class->unrealize = clutter_stage_egl_unrealize;
}
static void
clutter_stage_egl_init (ClutterStageEGL *stage)
{
}
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