forked from AuroraMiddleware/gtk
mir: add OpenGL support
Implement GdkGLContext using EGL and use hardware mir surfaces when a GdkWindow uses gl rendering. Fixes https://bugzilla.gnome.org/show_bug.cgi?id=740346
This commit is contained in:
Marco Trevisan (Treviño)
parent
45cfb405c0
commit
6e9db05601
@ -24,6 +24,7 @@ libgdk_mir_la_SOURCES = \
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gdkmirdevicemanager.c \
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gdkmirdisplay.c \
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gdkmireventsource.c \
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gdkmirglcontext.c \
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gdkmirkeyboard.c \
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gdkmirkeymap.c \
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gdkmirpointer.c \
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@ -18,10 +18,13 @@
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#ifndef __GDK_PRIVATE_MIR_H__
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#define __GDK_PRIVATE_MIR_H__
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#include <epoxy/egl.h>
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#include "gdkmir.h"
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#include "gdkdisplay.h"
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#include "gdkscreen.h"
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#include "gdkdevicemanager.h"
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#include "gdkglcontextprivate.h"
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#include "gdkkeys.h"
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#include "gdkwindowimpl.h"
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@ -35,6 +38,27 @@ typedef struct _GdkMirEventSource GdkMirEventSource;
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GType gdk_mir_window_impl_get_type (void);
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struct _GdkMirGLContext
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{
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GdkGLContext parent_instance;
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EGLContext egl_context;
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EGLConfig egl_config;
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gboolean is_attached;
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};
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struct _GdkMirGLContextClass
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{
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GdkGLContextClass parent_class;
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};
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typedef struct _GdkMirGLContext GdkMirGLContext;
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typedef struct _GdkMirGLContextClass GdkMirGLContextClass;
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#define GDK_MIR_GL_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_MIR_GL_CONTEXT, GdkMirGLContext))
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GdkDisplay *_gdk_mir_display_open (const gchar *display_name);
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GdkScreen *_gdk_mir_screen_new (GdkDisplay *display);
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@ -77,6 +101,24 @@ void _gdk_mir_window_reference_unref (GdkMirWindowReference *ref);
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void _gdk_mir_event_source_queue (GdkMirWindowReference *window_ref, const MirEvent *event);
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MirPixelFormat _gdk_mir_display_get_pixel_format (GdkDisplay *display, MirBufferUsage usage);
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gboolean _gdk_mir_display_init_egl_display (GdkDisplay *display);
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EGLDisplay _gdk_mir_display_get_egl_display (GdkDisplay *display);
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gboolean _gdk_mir_display_have_egl_khr_create_context (GdkDisplay *display);
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gboolean _gdk_mir_display_have_egl_buffer_age (GdkDisplay *display);
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gboolean _gdk_mir_display_have_egl_swap_buffers_with_damage (GdkDisplay *display);
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gboolean _gdk_mir_display_have_egl_surfaceless_context (GdkDisplay *display);
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EGLSurface _gdk_mir_window_get_egl_surface (GdkWindow *window, EGLConfig config);
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EGLSurface _gdk_mir_window_get_dummy_egl_surface (GdkWindow *window, EGLConfig config);
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void _gdk_mir_print_modifiers (unsigned int modifiers);
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void _gdk_mir_print_key_event (const MirKeyEvent *event);
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@ -24,8 +24,11 @@
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#define GDK_TYPE_MIR_DISPLAY (gdk_mir_display_get_type ())
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#define GDK_IS_MIR_DISPLAY(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_MIR_DISPLAY))
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#define GDK_TYPE_MIR_WINDOW (gdk_mir_window_get_type ())
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#define GDK_IS_WINDOW_MIR(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_MIR_WINDOW))
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#define GDK_TYPE_MIR_GL_CONTEXT (gdk_mir_gl_context_get_type ())
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#define GDK_MIR_IS_GL_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_MIR_GL_CONTEXT))
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#define GDK_TYPE_MIR_WINDOW (gdk_mir_window_get_type ())
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#define GDK_IS_WINDOW_MIR(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_MIR_WINDOW))
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GDK_AVAILABLE_IN_3_10
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GType gdk_mir_display_get_type (void);
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@ -36,4 +39,7 @@ struct MirConnection *gdk_mir_display_get_mir_connection (GdkDisplay *display);
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GDK_AVAILABLE_IN_3_10
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GType gdk_mir_window_get_type (void);
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GDK_AVAILABLE_IN_3_16
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GType gdk_mir_gl_context_get_type (void) G_GNUC_CONST;
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#endif /* __GDK_MIR_H__ */
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@ -46,6 +46,15 @@ typedef struct GdkMirDisplay
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GdkScreen *screen;
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GdkKeymap *keymap;
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MirPixelFormat sw_pixel_format;
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MirPixelFormat hw_pixel_format;
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EGLDisplay egl_display;
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guint have_egl_khr_create_context : 1;
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guint have_egl_buffer_age : 1;
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guint have_egl_swap_buffers_with_damage : 1;
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guint have_egl_surfaceless_context : 1;
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} GdkMirDisplay;
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typedef struct GdkMirDisplayClass
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@ -53,6 +62,8 @@ typedef struct GdkMirDisplayClass
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GdkDisplayClass parent_class;
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} GdkMirDisplayClass;
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static void initialize_pixel_formats (GdkMirDisplay *display);
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/**
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* SECTION:mir_interaction
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* @Short_description: Mir backend-specific functions
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@ -112,6 +123,7 @@ _gdk_mir_display_open (const gchar *display_name)
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display->connection = connection;
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GDK_DISPLAY (display)->device_manager = _gdk_mir_device_manager_new (GDK_DISPLAY (display));
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display->screen = _gdk_mir_screen_new (GDK_DISPLAY (display));
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initialize_pixel_formats (display);
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g_signal_emit_by_name (display, "opened");
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@ -487,6 +499,180 @@ gdk_mir_display_utf8_to_string_target (GdkDisplay *display,
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return NULL;
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}
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static void
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initialize_pixel_formats (GdkMirDisplay *display)
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{
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MirPixelFormat formats[mir_pixel_formats];
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unsigned int n_formats, i;
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mir_connection_get_available_surface_formats (display->connection, formats,
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mir_pixel_formats, &n_formats);
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display->sw_pixel_format = mir_pixel_format_invalid;
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display->hw_pixel_format = mir_pixel_format_invalid;
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for (i = 0; i < n_formats; i++)
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{
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switch (formats[i])
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{
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case mir_pixel_format_abgr_8888:
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case mir_pixel_format_xbgr_8888:
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case mir_pixel_format_argb_8888:
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case mir_pixel_format_xrgb_8888:
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display->hw_pixel_format = formats[i];
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break;
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default:
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continue;
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}
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if (display->hw_pixel_format != mir_pixel_format_invalid)
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break;
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}
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for (i = 0; i < n_formats; i++)
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{
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if (formats[i] == mir_pixel_format_argb_8888)
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{
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display->sw_pixel_format = formats[i];
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break;
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}
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}
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}
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MirPixelFormat
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_gdk_mir_display_get_pixel_format (GdkDisplay *display,
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MirBufferUsage usage)
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{
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GdkMirDisplay *mir_dpy = GDK_MIR_DISPLAY (display);
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if (usage == mir_buffer_usage_hardware)
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return mir_dpy->hw_pixel_format;
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return mir_dpy->sw_pixel_format;
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}
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gboolean
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_gdk_mir_display_init_egl_display (GdkDisplay *display)
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{
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GdkMirDisplay *mir_dpy = GDK_MIR_DISPLAY (display);
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EGLint major_version, minor_version;
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EGLDisplay *dpy;
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if (mir_dpy->egl_display)
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return TRUE;
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dpy = eglGetDisplay (mir_connection_get_egl_native_display (mir_dpy->connection));
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if (dpy == NULL)
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return FALSE;
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if (!eglInitialize (dpy, &major_version, &minor_version))
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return FALSE;
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if (!eglBindAPI (EGL_OPENGL_API))
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return FALSE;
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mir_dpy->egl_display = dpy;
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mir_dpy->have_egl_khr_create_context =
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epoxy_has_egl_extension (dpy, "EGL_KHR_create_context");
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mir_dpy->have_egl_buffer_age =
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epoxy_has_egl_extension (dpy, "EGL_EXT_buffer_age");
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mir_dpy->have_egl_swap_buffers_with_damage =
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epoxy_has_egl_extension (dpy, "EGL_EXT_swap_buffers_with_damage");
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mir_dpy->have_egl_surfaceless_context =
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epoxy_has_egl_extension (dpy, "EGL_KHR_surfaceless_context");
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GDK_NOTE (OPENGL,
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g_print ("EGL API version %d.%d found\n"
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" - Vendor: %s\n"
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" - Version: %s\n"
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" - Client APIs: %s\n"
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" - Extensions:\n"
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"\t%s\n",
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major_version,
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minor_version,
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eglQueryString (dpy, EGL_VENDOR),
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eglQueryString (dpy, EGL_VERSION),
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eglQueryString (dpy, EGL_CLIENT_APIS),
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eglQueryString (dpy, EGL_EXTENSIONS)));
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return TRUE;
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}
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static gboolean
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gdk_mir_display_make_gl_context_current (GdkDisplay *display,
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GdkGLContext *context)
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{
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EGLDisplay egl_display = _gdk_mir_display_get_egl_display (display);
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GdkMirGLContext *mir_context;
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GdkWindow *window;
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EGLSurface egl_surface;
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if (context == NULL)
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{
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eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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return TRUE;
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}
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mir_context = GDK_MIR_GL_CONTEXT (context);
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window = gdk_gl_context_get_window (context);
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if (mir_context->is_attached)
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{
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egl_surface = _gdk_mir_window_get_egl_surface (window,
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mir_context->egl_config);
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}
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else
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{
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if (_gdk_mir_display_have_egl_surfaceless_context (display))
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egl_surface = EGL_NO_SURFACE;
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else
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egl_surface = _gdk_mir_window_get_dummy_egl_surface (window,
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mir_context->egl_config);
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}
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if (!eglMakeCurrent (egl_display, egl_surface, egl_surface, mir_context->egl_context))
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{
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g_warning ("eglMakeCurrent failed");
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return FALSE;
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}
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return TRUE;
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}
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EGLDisplay _gdk_mir_display_get_egl_display (GdkDisplay *display)
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{
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return GDK_MIR_DISPLAY (display)->egl_display;
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}
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gboolean _gdk_mir_display_have_egl_khr_create_context (GdkDisplay *display)
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{
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return GDK_MIR_DISPLAY (display)->have_egl_khr_create_context;
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}
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gboolean _gdk_mir_display_have_egl_buffer_age (GdkDisplay *display)
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{
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/* FIXME: this is not really supported by mir yet (despite is advertised) */
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// return GDK_MIR_DISPLAY (display)->have_egl_buffer_age;
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return FALSE;
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}
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gboolean _gdk_mir_display_have_egl_swap_buffers_with_damage (GdkDisplay *display)
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{
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/* FIXME: this is not really supported by mir yet (despite is advertised) */
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// return GDK_MIR_DISPLAY (display)->have_egl_swap_buffers_with_damage;
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return FALSE;
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}
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gboolean _gdk_mir_display_have_egl_surfaceless_context (GdkDisplay *display)
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{
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return GDK_MIR_DISPLAY (display)->have_egl_surfaceless_context;
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}
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static void
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gdk_mir_display_init (GdkMirDisplay *display)
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{
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@ -545,4 +731,5 @@ gdk_mir_display_class_init (GdkMirDisplayClass *klass)
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display_class->convert_selection = gdk_mir_display_convert_selection;
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display_class->text_property_to_utf8_list = gdk_mir_display_text_property_to_utf8_list;
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display_class->utf8_to_string_target = gdk_mir_display_utf8_to_string_target;
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display_class->make_gl_context_current = gdk_mir_display_make_gl_context_current;
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}
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125
gdk/mir/gdkmirglcontext.c
Normal file
125
gdk/mir/gdkmirglcontext.c
Normal file
@ -0,0 +1,125 @@
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/* GDK - The GIMP Drawing Kit
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*
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* gdkmirglcontext.c: Mir specific OpenGL wrappers
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*
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* Copyright © 2014 Canonical Ltd
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdkmir-private.h"
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#include "gdkinternals.h"
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#include "gdkintl.h"
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G_DEFINE_TYPE (GdkMirGLContext, gdk_mir_gl_context, GDK_TYPE_GL_CONTEXT)
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static void
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gdk_mir_gl_context_update (GdkGLContext *context)
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{
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GdkWindow *window = gdk_gl_context_get_window (context);
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int width, height;
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gdk_gl_context_make_current (context);
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width = gdk_window_get_width (window);
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height = gdk_window_get_height (window);
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GDK_NOTE (OPENGL, g_print ("Updating GL viewport size to { %d, %d } for window %p (context: %p)\n",
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width, height,
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window, context));
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glViewport (0, 0, width, height);
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}
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static void
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gdk_mir_gl_context_end_frame (GdkGLContext *context,
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cairo_region_t *painted,
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cairo_region_t *damage)
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{
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GdkWindow *window = gdk_gl_context_get_window (context);
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GdkDisplay *display = gdk_window_get_display (window);
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GdkMirGLContext *context_mir = GDK_MIR_GL_CONTEXT (context);
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EGLDisplay egl_display = _gdk_mir_display_get_egl_display (display);
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EGLSurface egl_surface;
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gdk_gl_context_make_current (context);
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egl_surface = _gdk_mir_window_get_egl_surface (window,
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context_mir->egl_config);
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if (_gdk_mir_display_have_egl_swap_buffers_with_damage (display))
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{
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int i, j, n_rects = cairo_region_num_rectangles (damage);
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EGLint *rects = g_new (EGLint, n_rects * 4);
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cairo_rectangle_int_t rect;
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int window_height = gdk_window_get_height (window);
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for (i = 0, j = 0; i < n_rects; i++)
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{
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cairo_region_get_rectangle (damage, i, &rect);
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rects[j++] = rect.x;
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rects[j++] = window_height - rect.height - rect.y;
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rects[j++] = rect.width;
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rects[j++] = rect.height;
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}
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eglSwapBuffersWithDamageEXT (egl_display, egl_surface, rects, n_rects);
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g_free (rects);
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}
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else
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{
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eglSwapBuffers (egl_display, egl_surface);
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}
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}
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static void
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gdk_mir_gl_context_dispose (GObject *gobject)
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{
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GdkMirGLContext *context_mir = GDK_MIR_GL_CONTEXT (gobject);
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if (context_mir->egl_context != NULL)
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{
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GdkGLContext *context = GDK_GL_CONTEXT (gobject);
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GdkWindow *window = gdk_gl_context_get_window (context);
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GdkDisplay *display = gdk_window_get_display (window);
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EGLDisplay egl_display = _gdk_mir_display_get_egl_display (display);
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if (eglGetCurrentContext () == context_mir->egl_context)
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eglMakeCurrent (egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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GDK_NOTE (OPENGL, g_print ("Destroying EGL context\n"));
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eglDestroyContext (egl_display, context_mir->egl_context);
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context_mir->egl_context = NULL;
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}
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G_OBJECT_CLASS (gdk_mir_gl_context_parent_class)->dispose (gobject);
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}
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static void
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gdk_mir_gl_context_class_init (GdkMirGLContextClass *klass)
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{
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GdkGLContextClass *context_class = GDK_GL_CONTEXT_CLASS (klass);
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||||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||
|
||||
context_class->update = gdk_mir_gl_context_update;
|
||||
context_class->end_frame = gdk_mir_gl_context_end_frame;
|
||||
gobject_class->dispose = gdk_mir_gl_context_dispose;
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_mir_gl_context_init (GdkMirGLContext *self)
|
||||
{
|
||||
}
|
||||
@ -25,6 +25,7 @@
|
||||
|
||||
#include "gdkwindowimpl.h"
|
||||
#include "gdkinternals.h"
|
||||
#include "gdkintl.h"
|
||||
#include "gdkdisplayprivate.h"
|
||||
#include "gdkdeviceprivate.h"
|
||||
|
||||
@ -32,6 +33,8 @@
|
||||
#define GDK_IS_WINDOW_IMPL_MIR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WINDOW_IMPL_MIR))
|
||||
#define GDK_MIR_WINDOW_IMPL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WINDOW_IMPL_MIR, GdkMirWindowImplClass))
|
||||
|
||||
#define MAX_EGL_ATTRS 30
|
||||
|
||||
typedef struct _GdkMirWindowImplClass GdkMirWindowImplClass;
|
||||
|
||||
struct _GdkMirWindowImpl
|
||||
@ -64,6 +67,13 @@ struct _GdkMirWindowImpl
|
||||
/* Cairo context for current frame */
|
||||
cairo_surface_t *cairo_surface;
|
||||
|
||||
/* Egl surface for the current mir surface */
|
||||
EGLSurface egl_surface;
|
||||
|
||||
/* Dummy MIR and EGL surfaces */
|
||||
MirSurface *dummy_surface;
|
||||
EGLSurface dummy_egl_surface;
|
||||
|
||||
/* TRUE if the window can be seen */
|
||||
gboolean visible;
|
||||
|
||||
@ -135,12 +145,6 @@ gdk_mir_window_impl_init (GdkMirWindowImpl *impl)
|
||||
impl->surface_state = mir_surface_state_unknown;
|
||||
}
|
||||
|
||||
static MirConnection *
|
||||
get_connection (GdkWindow *window)
|
||||
{
|
||||
return gdk_mir_display_get_mir_connection (gdk_window_get_display (window));
|
||||
}
|
||||
|
||||
static void
|
||||
set_surface_state (GdkMirWindowImpl *impl,
|
||||
MirSurfaceState state)
|
||||
@ -173,13 +177,32 @@ event_cb (MirSurface *surface,
|
||||
_gdk_mir_event_source_queue (context, event);
|
||||
}
|
||||
|
||||
static MirSurface *
|
||||
create_mir_surface (GdkDisplay *display,
|
||||
gint width,
|
||||
gint height,
|
||||
MirBufferUsage buffer_usage)
|
||||
{
|
||||
MirSurfaceParameters parameters;
|
||||
MirConnection *connection;
|
||||
|
||||
parameters.name = "GTK+ Mir";
|
||||
parameters.width = width;
|
||||
parameters.height = height;
|
||||
parameters.pixel_format = _gdk_mir_display_get_pixel_format (display, buffer_usage);
|
||||
parameters.buffer_usage = buffer_usage;
|
||||
parameters.output_id = mir_display_output_id_invalid;
|
||||
|
||||
connection = gdk_mir_display_get_mir_connection (display);
|
||||
|
||||
return mir_connection_create_surface_sync (connection, ¶meters);
|
||||
}
|
||||
|
||||
static void
|
||||
ensure_surface (GdkWindow *window)
|
||||
ensure_surface_full (GdkWindow *window,
|
||||
MirBufferUsage buffer_usage)
|
||||
{
|
||||
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
|
||||
MirPixelFormat formats[mir_pixel_formats], pixel_format = mir_pixel_format_invalid;
|
||||
unsigned int n_formats, i;
|
||||
MirSurfaceParameters parameters;
|
||||
MirEventDelegate event_delegate = { event_cb, NULL };
|
||||
GdkMirWindowReference *window_ref;
|
||||
|
||||
@ -193,34 +216,17 @@ ensure_surface (GdkWindow *window)
|
||||
|
||||
event_delegate.context = window_ref;
|
||||
|
||||
// Should probably calculate this once?
|
||||
// Should prefer certain formats over others
|
||||
mir_connection_get_available_surface_formats (get_connection (window), formats, mir_pixel_formats, &n_formats);
|
||||
for (i = 0; i < n_formats; i++)
|
||||
if (formats[i] == mir_pixel_format_argb_8888)
|
||||
{
|
||||
pixel_format = formats[i];
|
||||
break;
|
||||
}
|
||||
impl->surface = create_mir_surface (gdk_window_get_display (window),
|
||||
window->width, window->height,
|
||||
buffer_usage);
|
||||
|
||||
parameters.name = "GTK+ Mir";
|
||||
parameters.width = window->width;
|
||||
parameters.height = window->height;
|
||||
parameters.pixel_format = pixel_format;
|
||||
parameters.buffer_usage = mir_buffer_usage_software;
|
||||
parameters.output_id = mir_display_output_id_invalid;
|
||||
impl->surface = mir_connection_create_surface_sync (get_connection (window), ¶meters);
|
||||
|
||||
MirGraphicsRegion region;
|
||||
MirEvent resize_event;
|
||||
|
||||
mir_surface_get_graphics_region (impl->surface, ®ion);
|
||||
|
||||
/* Send the initial configure with the size the server gave... */
|
||||
resize_event.resize.type = mir_event_type_resize;
|
||||
resize_event.resize.surface_id = 0;
|
||||
resize_event.resize.width = region.width;
|
||||
resize_event.resize.height = region.height;
|
||||
resize_event.resize.width = window->width;
|
||||
resize_event.resize.height = window->height;
|
||||
|
||||
_gdk_mir_event_source_queue (window_ref, &resize_event);
|
||||
|
||||
@ -229,6 +235,14 @@ ensure_surface (GdkWindow *window)
|
||||
set_surface_state (impl, impl->surface_state);
|
||||
}
|
||||
|
||||
static void
|
||||
ensure_surface (GdkWindow *window)
|
||||
{
|
||||
ensure_surface_full (window, window->gl_paint_context ?
|
||||
mir_buffer_usage_hardware :
|
||||
mir_buffer_usage_software);
|
||||
}
|
||||
|
||||
static void
|
||||
ensure_no_surface (GdkWindow *window)
|
||||
{
|
||||
@ -237,15 +251,30 @@ ensure_no_surface (GdkWindow *window)
|
||||
if (impl->cairo_surface)
|
||||
{
|
||||
cairo_surface_finish (impl->cairo_surface);
|
||||
cairo_surface_destroy (impl->cairo_surface);
|
||||
impl->cairo_surface = NULL;
|
||||
g_clear_pointer (&impl->cairo_surface, cairo_surface_destroy);
|
||||
}
|
||||
|
||||
if (impl->surface)
|
||||
if (window->gl_paint_context)
|
||||
{
|
||||
mir_surface_release_sync (impl->surface);
|
||||
impl->surface = NULL;
|
||||
GdkDisplay *display = gdk_window_get_display (window);
|
||||
EGLDisplay egl_display = _gdk_mir_display_get_egl_display (display);
|
||||
|
||||
if (impl->egl_surface)
|
||||
{
|
||||
eglDestroySurface (egl_display, impl->egl_surface);
|
||||
impl->egl_surface = NULL;
|
||||
}
|
||||
|
||||
if (impl->dummy_egl_surface)
|
||||
{
|
||||
eglDestroySurface (egl_display, impl->dummy_egl_surface);
|
||||
impl->dummy_egl_surface = NULL;
|
||||
}
|
||||
|
||||
g_clear_pointer (&impl->dummy_surface, mir_surface_release_sync);
|
||||
}
|
||||
|
||||
g_clear_pointer(&impl->surface, mir_surface_release_sync);
|
||||
}
|
||||
|
||||
static void
|
||||
@ -303,11 +332,7 @@ send_buffer (GdkWindow *window)
|
||||
mir_surface_swap_buffers_sync (impl->surface);
|
||||
|
||||
/* The Cairo context is no longer valid */
|
||||
if (impl->cairo_surface)
|
||||
{
|
||||
cairo_surface_destroy (impl->cairo_surface);
|
||||
impl->cairo_surface = NULL;
|
||||
}
|
||||
g_clear_pointer (&impl->cairo_surface, cairo_surface_destroy);
|
||||
}
|
||||
|
||||
static cairo_surface_t *
|
||||
@ -316,7 +341,7 @@ gdk_mir_window_impl_ref_cairo_surface (GdkWindow *window)
|
||||
//g_printerr ("gdk_mir_window_impl_ref_cairo_surface window=%p\n", window);
|
||||
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
|
||||
MirGraphicsRegion region;
|
||||
cairo_format_t pixel_format = CAIRO_FORMAT_INVALID;
|
||||
cairo_format_t pixel_format = CAIRO_FORMAT_ARGB32;
|
||||
cairo_surface_t *cairo_surface;
|
||||
cairo_t *c;
|
||||
|
||||
@ -327,31 +352,16 @@ gdk_mir_window_impl_ref_cairo_surface (GdkWindow *window)
|
||||
}
|
||||
|
||||
/* Transient windows get rendered into a buffer and copied onto their parent */
|
||||
if (impl->transient_for)
|
||||
if (impl->transient_for || window->gl_paint_context)
|
||||
{
|
||||
cairo_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, window->width, window->height);
|
||||
cairo_surface = cairo_image_surface_create (pixel_format, window->width, window->height);
|
||||
}
|
||||
else
|
||||
{
|
||||
ensure_surface (window);
|
||||
|
||||
mir_surface_get_graphics_region (impl->surface, ®ion);
|
||||
|
||||
// FIXME: Should calculate this once
|
||||
switch (region.pixel_format)
|
||||
{
|
||||
case mir_pixel_format_argb_8888:
|
||||
pixel_format = CAIRO_FORMAT_ARGB32;
|
||||
break;
|
||||
default:
|
||||
case mir_pixel_format_abgr_8888:
|
||||
case mir_pixel_format_xbgr_8888:
|
||||
case mir_pixel_format_xrgb_8888:
|
||||
case mir_pixel_format_bgr_888:
|
||||
// uh-oh...
|
||||
g_printerr ("Unsupported pixel format %d\n", region.pixel_format);
|
||||
break;
|
||||
}
|
||||
g_assert (region.pixel_format == mir_pixel_format_argb_8888);
|
||||
|
||||
cairo_surface = cairo_image_surface_create_for_data ((unsigned char *) region.vaddr,
|
||||
pixel_format,
|
||||
@ -421,10 +431,13 @@ gdk_mir_window_impl_show (GdkWindow *window,
|
||||
/* Make sure there's a surface to see */
|
||||
ensure_surface (window);
|
||||
|
||||
/* Make sure something is rendered and then show first frame */
|
||||
s = gdk_mir_window_impl_ref_cairo_surface (window);
|
||||
send_buffer (window);
|
||||
cairo_surface_destroy (s);
|
||||
if (!window->gl_paint_context)
|
||||
{
|
||||
/* Make sure something is rendered and then show first frame */
|
||||
s = gdk_mir_window_impl_ref_cairo_surface (window);
|
||||
send_buffer (window);
|
||||
cairo_surface_destroy (s);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
@ -666,7 +679,7 @@ gdk_mir_window_impl_end_paint (GdkWindow *window)
|
||||
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
|
||||
|
||||
//g_printerr ("gdk_mir_window_impl_end_paint window=%p\n", window);
|
||||
if (impl->visible)
|
||||
if (impl->visible && !window->current_paint.use_gl)
|
||||
send_buffer (window);
|
||||
}
|
||||
|
||||
@ -1245,6 +1258,267 @@ gdk_mir_window_impl_set_shadow_width (GdkWindow *window,
|
||||
g_printerr ("gdk_mir_window_impl_set_shadow_width window=%p\n", window);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
find_eglconfig_for_window (GdkWindow *window,
|
||||
EGLConfig *egl_config_out,
|
||||
GError **error)
|
||||
{
|
||||
GdkDisplay *display = gdk_window_get_display (window);
|
||||
EGLDisplay *egl_display = _gdk_mir_display_get_egl_display (display);
|
||||
GdkVisual *visual = gdk_window_get_visual (window);
|
||||
EGLint attrs[MAX_EGL_ATTRS];
|
||||
EGLint count;
|
||||
EGLConfig *configs;
|
||||
gboolean use_rgba;
|
||||
|
||||
int i = 0;
|
||||
|
||||
attrs[i++] = EGL_SURFACE_TYPE;
|
||||
attrs[i++] = EGL_WINDOW_BIT;
|
||||
|
||||
attrs[i++] = EGL_COLOR_BUFFER_TYPE;
|
||||
attrs[i++] = EGL_RGB_BUFFER;
|
||||
|
||||
attrs[i++] = EGL_RED_SIZE;
|
||||
attrs[i++] = 1;
|
||||
attrs[i++] = EGL_GREEN_SIZE;
|
||||
attrs[i++] = 1;
|
||||
attrs[i++] = EGL_BLUE_SIZE;
|
||||
attrs[i++] = 1;
|
||||
|
||||
use_rgba = (visual == gdk_screen_get_rgba_visual (gdk_display_get_default_screen (display)));
|
||||
|
||||
if (use_rgba)
|
||||
{
|
||||
attrs[i++] = EGL_ALPHA_SIZE;
|
||||
attrs[i++] = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
attrs[i++] = EGL_ALPHA_SIZE;
|
||||
attrs[i++] = 0;
|
||||
}
|
||||
|
||||
attrs[i++] = EGL_NONE;
|
||||
g_assert (i < MAX_EGL_ATTRS);
|
||||
|
||||
if (!eglChooseConfig (egl_display, attrs, NULL, 0, &count) || count < 1)
|
||||
{
|
||||
g_set_error_literal (error, GDK_GL_ERROR,
|
||||
GDK_GL_ERROR_UNSUPPORTED_FORMAT,
|
||||
_("No available configurations for the given pixel format"));
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
configs = g_new (EGLConfig, count);
|
||||
|
||||
if (!eglChooseConfig (egl_display, attrs, configs, count, &count) || count < 1)
|
||||
{
|
||||
g_set_error_literal (error, GDK_GL_ERROR,
|
||||
GDK_GL_ERROR_UNSUPPORTED_FORMAT,
|
||||
_("No available configurations for the given pixel format"));
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* Pick first valid configuration i guess? */
|
||||
|
||||
if (egl_config_out != NULL)
|
||||
*egl_config_out = configs[0];
|
||||
|
||||
g_free (configs);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GdkGLContext *
|
||||
gdk_mir_window_impl_create_gl_context (GdkWindow *window,
|
||||
gboolean attached,
|
||||
GdkGLProfile profile,
|
||||
GdkGLContext *share,
|
||||
GError **error)
|
||||
{
|
||||
GdkDisplay *display = gdk_window_get_display (window);
|
||||
GdkMirGLContext *context;
|
||||
EGLContext ctx;
|
||||
EGLConfig config;
|
||||
int i;
|
||||
EGLint context_attribs[3];
|
||||
|
||||
if (!_gdk_mir_display_init_egl_display (display))
|
||||
{
|
||||
g_set_error_literal (error, GDK_GL_ERROR,
|
||||
GDK_GL_ERROR_NOT_AVAILABLE,
|
||||
_("No GL implementation is available"));
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (profile == GDK_GL_PROFILE_DEFAULT)
|
||||
profile = GDK_GL_PROFILE_LEGACY;
|
||||
|
||||
if (profile == GDK_GL_PROFILE_3_2_CORE &&
|
||||
!_gdk_mir_display_have_egl_khr_create_context (display))
|
||||
{
|
||||
g_set_error_literal (error, GDK_GL_ERROR,
|
||||
GDK_GL_ERROR_UNSUPPORTED_PROFILE,
|
||||
_("3.2 core GL profile is not available on EGL implementation"));
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!find_eglconfig_for_window (window, &config, error))
|
||||
return NULL;
|
||||
|
||||
i = 0;
|
||||
if (profile == GDK_GL_PROFILE_3_2_CORE)
|
||||
{
|
||||
context_attribs[i++] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
|
||||
context_attribs[i++] = EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
|
||||
}
|
||||
context_attribs[i++] = EGL_NONE;
|
||||
|
||||
ctx = eglCreateContext (_gdk_mir_display_get_egl_display (display),
|
||||
config,
|
||||
share ? GDK_MIR_GL_CONTEXT (share)->egl_context : EGL_NO_CONTEXT,
|
||||
context_attribs);
|
||||
if (ctx == NULL)
|
||||
{
|
||||
g_set_error_literal (error, GDK_GL_ERROR,
|
||||
GDK_GL_ERROR_NOT_AVAILABLE,
|
||||
_("Unable to create a GL context"));
|
||||
return NULL;
|
||||
}
|
||||
|
||||
GDK_NOTE (OPENGL,
|
||||
g_print ("Created EGL context[%p]\n", ctx));
|
||||
|
||||
context = g_object_new (GDK_TYPE_MIR_GL_CONTEXT,
|
||||
"display", display,
|
||||
"window", window,
|
||||
"profile", profile,
|
||||
"shared-context", share,
|
||||
NULL);
|
||||
|
||||
context->egl_config = config;
|
||||
context->egl_context = ctx;
|
||||
context->is_attached = attached;
|
||||
|
||||
return GDK_GL_CONTEXT (context);
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_mir_window_impl_invalidate_for_new_frame (GdkWindow *window,
|
||||
cairo_region_t *update_area)
|
||||
{
|
||||
cairo_rectangle_int_t window_rect;
|
||||
GdkDisplay *display = gdk_window_get_display (window);
|
||||
GdkMirGLContext *context_mir;
|
||||
int buffer_age;
|
||||
gboolean invalidate_all;
|
||||
EGLSurface egl_surface;
|
||||
|
||||
/* Minimal update is ok if we're not drawing with gl */
|
||||
if (window->gl_paint_context == NULL)
|
||||
return;
|
||||
|
||||
context_mir = GDK_MIR_GL_CONTEXT (window->gl_paint_context);
|
||||
buffer_age = 0;
|
||||
|
||||
egl_surface = _gdk_mir_window_get_egl_surface (window, context_mir->egl_config);
|
||||
|
||||
if (_gdk_mir_display_have_egl_buffer_age (display))
|
||||
{
|
||||
gdk_gl_context_make_current (window->gl_paint_context);
|
||||
eglQuerySurface (_gdk_mir_display_get_egl_display (display), egl_surface,
|
||||
EGL_BUFFER_AGE_EXT, &buffer_age);
|
||||
}
|
||||
|
||||
invalidate_all = FALSE;
|
||||
if (buffer_age == 0 || buffer_age >= 4)
|
||||
invalidate_all = TRUE;
|
||||
else
|
||||
{
|
||||
if (buffer_age >= 2)
|
||||
{
|
||||
if (window->old_updated_area[0])
|
||||
cairo_region_union (update_area, window->old_updated_area[0]);
|
||||
else
|
||||
invalidate_all = TRUE;
|
||||
}
|
||||
if (buffer_age >= 3)
|
||||
{
|
||||
if (window->old_updated_area[1])
|
||||
cairo_region_union (update_area, window->old_updated_area[1]);
|
||||
else
|
||||
invalidate_all = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
if (invalidate_all)
|
||||
{
|
||||
window_rect.x = 0;
|
||||
window_rect.y = 0;
|
||||
window_rect.width = gdk_window_get_width (window);
|
||||
window_rect.height = gdk_window_get_height (window);
|
||||
|
||||
/* If nothing else is known, repaint everything so that the back
|
||||
buffer is fully up-to-date for the swapbuffer */
|
||||
cairo_region_union_rectangle (update_area, &window_rect);
|
||||
}
|
||||
}
|
||||
|
||||
EGLSurface
|
||||
_gdk_mir_window_get_egl_surface (GdkWindow *window,
|
||||
EGLConfig config)
|
||||
{
|
||||
GdkMirWindowImpl *impl;
|
||||
|
||||
impl = GDK_MIR_WINDOW_IMPL (window->impl);
|
||||
|
||||
if (!impl->egl_surface)
|
||||
{
|
||||
EGLDisplay egl_display;
|
||||
EGLNativeWindowType egl_window;
|
||||
|
||||
ensure_no_surface (window);
|
||||
ensure_surface_full (window, mir_buffer_usage_hardware);
|
||||
|
||||
egl_display = _gdk_mir_display_get_egl_display (gdk_window_get_display (window));
|
||||
egl_window = (EGLNativeWindowType) mir_surface_get_egl_native_window (impl->surface);
|
||||
|
||||
impl->egl_surface =
|
||||
eglCreateWindowSurface (egl_display, config, egl_window, NULL);
|
||||
}
|
||||
|
||||
return impl->egl_surface;
|
||||
}
|
||||
|
||||
EGLSurface
|
||||
_gdk_mir_window_get_dummy_egl_surface (GdkWindow *window,
|
||||
EGLConfig config)
|
||||
{
|
||||
GdkMirWindowImpl *impl;
|
||||
|
||||
impl = GDK_MIR_WINDOW_IMPL (window->impl);
|
||||
|
||||
if (!impl->dummy_egl_surface)
|
||||
{
|
||||
GdkDisplay *display;
|
||||
EGLDisplay egl_display;
|
||||
EGLNativeWindowType egl_window;
|
||||
|
||||
display = gdk_window_get_display (window);
|
||||
impl->dummy_surface = create_mir_surface (display, 1, 1,
|
||||
mir_buffer_usage_hardware);
|
||||
|
||||
egl_display = _gdk_mir_display_get_egl_display (display);
|
||||
egl_window = (EGLNativeWindowType) mir_surface_get_egl_native_window (impl->surface);
|
||||
|
||||
impl->dummy_egl_surface =
|
||||
eglCreateWindowSurface (egl_display, config, egl_window, NULL);
|
||||
}
|
||||
|
||||
return impl->dummy_egl_surface;
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_mir_window_impl_class_init (GdkMirWindowImplClass *klass)
|
||||
{
|
||||
@ -1333,4 +1607,6 @@ gdk_mir_window_impl_class_init (GdkMirWindowImplClass *klass)
|
||||
impl_class->get_scale_factor = gdk_mir_window_impl_get_scale_factor;
|
||||
impl_class->set_opaque_region = gdk_mir_window_impl_set_opaque_region;
|
||||
impl_class->set_shadow_width = gdk_mir_window_impl_set_shadow_width;
|
||||
impl_class->create_gl_context = gdk_mir_window_impl_create_gl_context;
|
||||
impl_class->invalidate_for_new_frame = gdk_mir_window_impl_invalidate_for_new_frame;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user