forked from AuroraMiddleware/gtk
glcontext: Refactor realize function, fix interaction with shared context
This commit is contained in:
Pablo Correa Gómez
parent
f4f0daa113
commit
549a2b4c86
@ -255,83 +255,83 @@ gdk_gl_context_get_property (GObject *object,
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}
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}
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}
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}
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#define N_EGL_ATTRS 16
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#define N_EGL_ATTRS 16
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#ifdef HAVE_EGL
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static inline EGLenum
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gdk_api_to_egl_api (GdkGLAPI api)
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{
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switch (api)
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{
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case GDK_GL_API_GLES:
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return EGL_OPENGL_ES_API;
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case GDK_GL_API_GL:
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default:
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return EGL_OPENGL_API;
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}
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}
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static GdkGLAPI
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static GdkGLAPI
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gdk_gl_context_realize_egl (GdkGLContext *context,
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gdk_gl_context_create_egl_context (GdkGLContext *context,
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GError **error)
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GdkGLAPI api,
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gboolean legacy)
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{
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{
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GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (context);
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GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (context);
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GdkDisplay *display = gdk_gl_context_get_display (context);
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GdkDisplay *display = gdk_gl_context_get_display (context);
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EGLDisplay egl_display = gdk_display_get_egl_display (display);
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EGLDisplay egl_display = gdk_display_get_egl_display (display);
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EGLConfig egl_config;
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GdkGLContext *share = gdk_display_get_gl_context (display);
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GdkGLContext *share = gdk_display_get_gl_context (display);
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GdkGLContextPrivate *share_priv = gdk_gl_context_get_instance_private (share);
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GdkGLContextPrivate *share_priv = gdk_gl_context_get_instance_private (share);
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EGLConfig egl_config;
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EGLContext ctx;
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EGLContext ctx;
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EGLint context_attribs[N_EGL_ATTRS];
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EGLint context_attribs[N_EGL_ATTRS], i = 0, flags = 0;
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int major, minor, flags;
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gboolean debug_bit, forward_bit;
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gboolean debug_bit, forward_bit, legacy_bit;
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int min_major, min_minor, major = 0, minor = 0;
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GdkGLAPI api;
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int i = 0;
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G_GNUC_UNUSED gint64 start_time = GDK_PROFILER_CURRENT_TIME;
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G_GNUC_UNUSED gint64 start_time = GDK_PROFILER_CURRENT_TIME;
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if (share != NULL)
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if (!gdk_gl_context_is_api_allowed (context, api, NULL))
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gdk_gl_context_get_required_version (share, &major, &minor);
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return 0;
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else
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gdk_gl_context_get_required_version (context, &major, &minor);
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/* We will use the default version matching the context status
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* unless the user requested a version which makes sense */
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gdk_gl_context_get_matching_version (api, legacy,
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display->have_egl_win32_libangle,
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&min_major, &min_minor);
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gdk_gl_context_get_clipped_version (context,
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min_major, min_minor,
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&major, &minor);
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if (!eglBindAPI (gdk_api_to_egl_api (api)))
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return 0;
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debug_bit = gdk_gl_context_get_debug_enabled (context);
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debug_bit = gdk_gl_context_get_debug_enabled (context);
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forward_bit = gdk_gl_context_get_forward_compatible (context);
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forward_bit = gdk_gl_context_get_forward_compatible (context);
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legacy_bit = GDK_DISPLAY_DEBUG_CHECK (display, GL_LEGACY) ||
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(share != NULL && gdk_gl_context_is_legacy (share));
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if (display->have_egl_no_config_context)
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if (display->have_egl_no_config_context)
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egl_config = NULL;
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egl_config = NULL;
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else
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else
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egl_config = gdk_display_get_egl_config (display);
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egl_config = gdk_display_get_egl_config (display);
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flags = 0;
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if (debug_bit)
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if (debug_bit)
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flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
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flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
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if (forward_bit)
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if (forward_bit)
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flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
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flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
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if (gdk_gl_context_is_api_allowed (context, GDK_GL_API_GL, NULL) &&
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if (api == GDK_GL_API_GL)
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eglBindAPI (EGL_OPENGL_API))
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{
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{
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/* We want a core profile, unless in legacy mode */
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/* We want a core profile, unless in legacy mode */
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context_attribs[i++] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
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context_attribs[i++] = EGL_CONTEXT_OPENGL_PROFILE_MASK;
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context_attribs[i++] = legacy_bit
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context_attribs[i++] = legacy
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? EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR
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? EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT
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: EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
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: EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT;
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/* Specify the version */
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context_attribs[i++] = EGL_CONTEXT_MAJOR_VERSION_KHR;
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context_attribs[i++] = legacy_bit ? 3 : major;
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context_attribs[i++] = EGL_CONTEXT_MINOR_VERSION_KHR;
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context_attribs[i++] = legacy_bit ? 0 : minor;
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api = GDK_GL_API_GL;
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}
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else if (gdk_gl_context_is_api_allowed (context, GDK_GL_API_GLES, NULL) &&
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eglBindAPI (EGL_OPENGL_ES_API))
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{
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context_attribs[i++] = EGL_CONTEXT_CLIENT_VERSION;
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if (major == 3)
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context_attribs[i++] = 3;
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else
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context_attribs[i++] = 2;
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api = GDK_GL_API_GLES;
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}
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else
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{
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g_set_error_literal (error, GDK_GL_ERROR, GDK_GL_ERROR_NOT_AVAILABLE,
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_("The EGL implementation does not support any allowed APIs"));
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return 0;
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}
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}
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/* Specify the flags */
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if (legacy || api == GDK_GL_API_GLES)
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flags &= ~EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
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context_attribs[i++] = EGL_CONTEXT_MAJOR_VERSION;
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context_attribs[i++] = major;
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context_attribs[i++] = EGL_CONTEXT_MINOR_VERSION;
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context_attribs[i++] = minor;
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context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
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context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
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context_attribs[i++] = flags;
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context_attribs[i++] = flags;
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@ -343,91 +343,82 @@ gdk_gl_context_realize_egl (GdkGLContext *context,
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major, minor,
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major, minor,
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debug_bit ? "yes" : "no",
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debug_bit ? "yes" : "no",
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forward_bit ? "yes" : "no",
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forward_bit ? "yes" : "no",
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legacy_bit ? "yes" : "no",
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legacy ? "yes" : "no",
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api == GDK_GL_API_GLES ? "yes" : "no"));
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api == GDK_GL_API_GLES ? "yes" : "no"));
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ctx = eglCreateContext (egl_display,
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ctx = eglCreateContext (egl_display,
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egl_config,
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egl_config,
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share != NULL ? share_priv->egl_context
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share ? share_priv->egl_context : EGL_NO_CONTEXT,
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: EGL_NO_CONTEXT,
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context_attribs);
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context_attribs);
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/* If context creation failed without the ES bit, let's try again with it */
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if (ctx == NULL && gdk_gl_context_is_api_allowed (context, GDK_GL_API_GLES, NULL) && eglBindAPI (EGL_OPENGL_ES_API))
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{
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i = 0;
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context_attribs[i++] = EGL_CONTEXT_MAJOR_VERSION;
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context_attribs[i++] = 2;
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context_attribs[i++] = EGL_CONTEXT_MINOR_VERSION;
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context_attribs[i++] = 0;
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context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
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context_attribs[i++] = flags & ~EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
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context_attribs[i++] = EGL_NONE;
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g_assert (i < N_EGL_ATTRS);
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legacy_bit = FALSE;
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api = GDK_GL_API_GLES;
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GDK_DISPLAY_NOTE (display, OPENGL,
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g_message ("eglCreateContext failed, switching to OpenGL ES"));
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ctx = eglCreateContext (egl_display,
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egl_config,
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share != NULL ? share_priv->egl_context
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: EGL_NO_CONTEXT,
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context_attribs);
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}
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/* If context creation failed without the legacy bit, let's try again with it */
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if (ctx == NULL && gdk_gl_context_is_api_allowed (context, GDK_GL_API_GL, NULL) && eglBindAPI (EGL_OPENGL_API))
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{
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i = 0;
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context_attribs[i++] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
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context_attribs[i++] = EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR;
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context_attribs[i++] = EGL_CONTEXT_MAJOR_VERSION;
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context_attribs[i++] = 3;
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context_attribs[i++] = EGL_CONTEXT_MINOR_VERSION;
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context_attribs[i++] = 0;
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context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
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context_attribs[i++] = flags & ~EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
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context_attribs[i++] = EGL_NONE;
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g_assert (i < N_EGL_ATTRS);
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legacy_bit = TRUE;
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api = GDK_GL_API_GL;
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GDK_DISPLAY_NOTE (display, OPENGL,
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g_message ("eglCreateContext failed, switching to legacy"));
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ctx = eglCreateContext (egl_display,
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egl_config,
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share != NULL ? share_priv->egl_context
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: EGL_NO_CONTEXT,
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context_attribs);
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}
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if (ctx == NULL)
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if (ctx == NULL)
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{
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g_set_error_literal (error, GDK_GL_ERROR,
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GDK_GL_ERROR_NOT_AVAILABLE,
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_("Unable to create a GL context"));
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return 0;
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return 0;
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}
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GDK_DISPLAY_NOTE (display, OPENGL, g_message ("Created EGL context[%p]", ctx));
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GDK_DISPLAY_NOTE (display, OPENGL, g_message ("Created EGL context[%p]", ctx));
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priv->egl_context = ctx;
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priv->egl_context = ctx;
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gdk_gl_context_set_is_legacy (context, legacy);
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gdk_gl_context_set_is_legacy (context, legacy_bit);
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if (epoxy_has_egl_extension (egl_display, "EGL_KHR_swap_buffers_with_damage"))
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if (epoxy_has_egl_extension (egl_display, "EGL_KHR_swap_buffers_with_damage"))
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priv->eglSwapBuffersWithDamage = (gpointer)epoxy_eglGetProcAddress ("eglSwapBuffersWithDamageKHR");
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priv->eglSwapBuffersWithDamage = (gpointer) epoxy_eglGetProcAddress ("eglSwapBuffersWithDamageKHR");
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else if (epoxy_has_egl_extension (egl_display, "EGL_EXT_swap_buffers_with_damage"))
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else if (epoxy_has_egl_extension (egl_display, "EGL_EXT_swap_buffers_with_damage"))
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priv->eglSwapBuffersWithDamage = (gpointer)epoxy_eglGetProcAddress ("eglSwapBuffersWithDamageEXT");
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priv->eglSwapBuffersWithDamage = (gpointer) epoxy_eglGetProcAddress ("eglSwapBuffersWithDamageEXT");
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gdk_profiler_end_mark (start_time, "realize GdkWaylandGLContext", NULL);
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gdk_profiler_end_mark (start_time, "realize GdkWaylandGLContext", NULL);
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return api;
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return api;
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}
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}
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static GdkGLAPI
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gdk_gl_context_realize_egl (GdkGLContext *context,
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GError **error)
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{
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GdkDisplay *display = gdk_gl_context_get_display (context);
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GdkGLContext *share = gdk_display_get_gl_context (display);
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GdkGLAPI api, preferred_api;
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gboolean prefer_legacy;
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if (share && gdk_gl_context_is_api_allowed (context,
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gdk_gl_context_get_api (share),
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NULL))
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preferred_api = gdk_gl_context_get_api (share);
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else if (gdk_gl_context_is_api_allowed (context, GDK_GL_API_GL, NULL))
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preferred_api = GDK_GL_API_GL;
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else if (gdk_gl_context_is_api_allowed (context, GDK_GL_API_GLES, NULL))
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preferred_api = GDK_GL_API_GLES;
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else
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{
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g_set_error_literal (error, GDK_GL_ERROR,
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GDK_GL_ERROR_NOT_AVAILABLE,
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_("No GL API allowed."));
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return 0;
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}
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prefer_legacy = (GDK_DISPLAY_DEBUG_CHECK (display, GL_LEGACY) ||
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(share != NULL && gdk_gl_context_is_legacy (share)));
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if (preferred_api == GDK_GL_API_GL)
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{
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if ((api = gdk_gl_context_create_egl_context (context, GDK_GL_API_GL, prefer_legacy)) ||
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(api = gdk_gl_context_create_egl_context (context, GDK_GL_API_GLES, FALSE)) ||
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(api = gdk_gl_context_create_egl_context (context, GDK_GL_API_GL, TRUE)))
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return api;
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}
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else
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{
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if ((api = gdk_gl_context_create_egl_context (context, GDK_GL_API_GLES, FALSE)) ||
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(api = gdk_gl_context_create_egl_context (context, GDK_GL_API_GL, prefer_legacy)) ||
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(api = gdk_gl_context_create_egl_context (context, GDK_GL_API_GL, TRUE)))
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return api;
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}
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g_set_error_literal (error, GDK_GL_ERROR,
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GDK_GL_ERROR_NOT_AVAILABLE,
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_("Unable to create a GL context"));
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return 0;
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}
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#endif /* HAVE_EGL */
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static GdkGLAPI
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static GdkGLAPI
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gdk_gl_context_default_realize (GdkGLContext *context,
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gdk_gl_context_default_realize (GdkGLContext *context,
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GError **error)
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GError **error)
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@ -966,6 +957,48 @@ gdk_gl_context_get_forward_compatible (GdkGLContext *context)
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return priv->forward_compatible;
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return priv->forward_compatible;
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}
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}
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void
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gdk_gl_context_get_matching_version (GdkGLAPI api,
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gboolean legacy,
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gboolean win32_libangle,
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int *major,
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int *minor)
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{
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int maj, min;
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if (api == GDK_GL_API_GL)
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{
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if (legacy)
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{
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maj = GDK_GL_MIN_GL_LEGACY_VERSION_MAJOR;
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min = GDK_GL_MIN_GL_LEGACY_VERSION_MINOR;
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}
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else
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{
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maj = GDK_GL_MIN_GL_VERSION_MAJOR;
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min = GDK_GL_MIN_GL_VERSION_MINOR;
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}
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}
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else
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{
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if (win32_libangle)
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{
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maj = GDK_GL_MIN_GLES_WIN32_ANGLE_VERSION_MAJOR;
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min = GDK_GL_MIN_GLES_WIN32_ANGLE_VERSION_MINOR;
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}
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else
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{
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maj = GDK_GL_MIN_GLES_VERSION_MAJOR;
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min = GDK_GL_MIN_GLES_VERSION_MINOR;
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}
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}
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if (major != NULL)
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*major = maj;
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if (minor != NULL)
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*minor = min;
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}
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|
|
||||||
/**
|
/**
|
||||||
* gdk_gl_context_set_required_version:
|
* gdk_gl_context_set_required_version:
|
||||||
* @context: a `GdkGLContext`
|
* @context: a `GdkGLContext`
|
||||||
|
|||||||
@ -33,6 +33,22 @@ G_BEGIN_DECLS
|
|||||||
#define GDK_EGL_MIN_VERSION_MAJOR (1)
|
#define GDK_EGL_MIN_VERSION_MAJOR (1)
|
||||||
#define GDK_EGL_MIN_VERSION_MINOR (4)
|
#define GDK_EGL_MIN_VERSION_MINOR (4)
|
||||||
|
|
||||||
|
/* Minimum OpenGL versions supported by GTK.
|
||||||
|
* Backends should make sure to never create a context of a previous version.
|
||||||
|
*
|
||||||
|
* The macros refer to OpenGL; OpenGL with OPENGL_COMPATIBILITY_PROFILE_BIT as
|
||||||
|
* OPENGL_PROFILE_MASK; OpenGL ES; and OpenGL ES win32 Angle implementation,
|
||||||
|
* respectively
|
||||||
|
*/
|
||||||
|
#define GDK_GL_MIN_GL_VERSION_MAJOR (3)
|
||||||
|
#define GDK_GL_MIN_GL_VERSION_MINOR (2)
|
||||||
|
#define GDK_GL_MIN_GL_LEGACY_VERSION_MAJOR (3)
|
||||||
|
#define GDK_GL_MIN_GL_LEGACY_VERSION_MINOR (0)
|
||||||
|
#define GDK_GL_MIN_GLES_VERSION_MAJOR (2)
|
||||||
|
#define GDK_GL_MIN_GLES_VERSION_MINOR (0)
|
||||||
|
#define GDK_GL_MIN_GLES_WIN32_ANGLE_VERSION_MAJOR (3)
|
||||||
|
#define GDK_GL_MIN_GLES_WIN32_ANGLE_VERSION_MINOR (0)
|
||||||
|
|
||||||
typedef enum {
|
typedef enum {
|
||||||
GDK_GL_NONE = 0,
|
GDK_GL_NONE = 0,
|
||||||
GDK_GL_EGL,
|
GDK_GL_EGL,
|
||||||
@ -122,6 +138,11 @@ void gdk_gl_context_get_clipped_version (GdkGLContext
|
|||||||
int min_minor,
|
int min_minor,
|
||||||
int *major,
|
int *major,
|
||||||
int *minor);
|
int *minor);
|
||||||
|
void gdk_gl_context_get_matching_version (GdkGLAPI api,
|
||||||
|
gboolean legacy,
|
||||||
|
gboolean win32_libangle,
|
||||||
|
int *major,
|
||||||
|
int *minor);
|
||||||
|
|
||||||
gboolean gdk_gl_context_has_unpack_subimage (GdkGLContext *context);
|
gboolean gdk_gl_context_has_unpack_subimage (GdkGLContext *context);
|
||||||
void gdk_gl_context_push_debug_group (GdkGLContext *context,
|
void gdk_gl_context_push_debug_group (GdkGLContext *context,
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user