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gl-renderer: always enable unpack subimage and RG textures in ES3 contexts

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The GL_EXT_unpack_subimage and GL_EXT_texture_rg are part of the core ES
3.0 specification, so also check the GL driver version in addition to
the extension string to determine if those features are supported.

This allows using those extensions on some GL drivers that do not expose
them in the extensions string, but still support OpenGLES3.

Signed-off-by: Arnaud Vrac <avrac@freebox.fr>
Reviewed-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Arnaud Vrac
2018-01-17 19:36:35 +01:00
committed by Daniel Stone
parent cc1a22bca9
commit e79694ceec
1 changed files with 4 additions and 2 deletions
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libweston/gl-renderer.c
+4 -2
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@@ -3685,10 +3685,12 @@ gl_renderer_setup(struct weston_compositor *ec, EGLSurface egl_surface)
else else
ec->read_format = PIXMAN_a8b8g8r8; ec->read_format = PIXMAN_a8b8g8r8;
if (weston_check_egl_extension(extensions, "GL_EXT_unpack_subimage")) if (gr->gl_version >= GR_GL_VERSION(3, 0) ||
weston_check_egl_extension(extensions, "GL_EXT_unpack_subimage"))
gr->has_unpack_subimage = 1; gr->has_unpack_subimage = 1;
if (weston_check_egl_extension(extensions, "GL_EXT_texture_rg")) if (gr->gl_version >= GR_GL_VERSION(3, 0) ||
weston_check_egl_extension(extensions, "GL_EXT_texture_rg"))
gr->has_gl_texture_rg = 1; gr->has_gl_texture_rg = 1;
if (weston_check_egl_extension(extensions, "GL_OES_EGL_image_external")) if (weston_check_egl_extension(extensions, "GL_OES_EGL_image_external"))