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GDK: Force GLES 3.0+ on libANGLE

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...when libANGLE is being used on Windows, by checking for a
Windows-specific an ANGLE-specific extension.
This commit is contained in:
Chun-wei Fan 2022-01-19 00:16:11 +08:00
parent 6f2848c311
commit 43839898b3
3 changed files with 10 additions and 4 deletions
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2
gdk/gdkdisplay.c
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@ -1727,6 +1727,8 @@ gdk_display_init_egl (GdkDisplay *self,
epoxy_has_egl_extension (priv->egl_display, "EGL_KHR_no_config_context");
self->have_egl_pixel_format_float =
epoxy_has_egl_extension (priv->egl_display, "EGL_EXT_pixel_format_float");
self->have_egl_win32_libangle =
epoxy_has_egl_extension (priv->egl_display, "EGL_ANGLE_d3d_share_handle_client_buffer");
if (self->have_egl_no_config_context)
priv->egl_config_high_depth = gdk_display_create_egl_config (self,

1
gdk/gdkdisplayprivate.h
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@ -110,6 +110,7 @@ struct _GdkDisplay
guint have_egl_swap_buffers_with_damage : 1;
guint have_egl_no_config_context : 1;
guint have_egl_pixel_format_float : 1;
guint have_egl_win32_libangle : 1;
};
struct _GdkDisplayClass

11
gdk/gdkglcontext.c
View File

@ -1056,26 +1056,29 @@ gdk_gl_context_get_required_version (GdkGLContext *context,
{
GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (context);
gboolean force_gles = FALSE;
#ifdef G_ENABLE_DEBUG
GdkDisplay *display;
#endif
int default_major, default_minor;
int maj, min;
g_return_if_fail (GDK_IS_GL_CONTEXT (context));
#ifdef G_ENABLE_DEBUG
display = gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context));
#ifdef G_ENABLE_DEBUG
force_gles = GDK_DISPLAY_DEBUG_CHECK (display, GL_GLES);
#endif
/* libANGLE on Windows at least requires GLES 3.0+ */
if (display->have_egl_win32_libangle)
force_gles = TRUE;
/* Default fallback values for uninitialised contexts; we
* enforce a context version number of 3.2 for desktop GL,
* and 2.0 for GLES
*/
if (gdk_gl_context_get_use_es (context) || force_gles)
{
default_major = 2;
default_major = display->have_egl_win32_libangle ? 3 : 2;
default_minor = 0;
}
else