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cogl: Require {EXT,ARB}_framebuffer_object in the GL driver

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This was only promoted to core in 3.0, but Mesa's supported it
unconditionally since around 7.0 even in 2.1 contexts, so this is not a
particularly onerous requirement.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/866
This commit is contained in:
Adam Jackson 2019-10-17 17:24:14 -04:00 committed by Georges Basile Stavracas Neto
parent 5f4e8789df
commit 4523251849
1 changed files with 11 additions and 6 deletions
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17
cogl/cogl/driver/gl/gl/cogl-driver-gl.c
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@ -407,14 +407,19 @@ _cogl_driver_update_features (CoglContext *ctx,
COGL_FLAGS_SET (private_features,
COGL_PRIVATE_FEATURE_MESA_PACK_INVERT, TRUE);
if (ctx->glGenRenderbuffers)
if (!ctx->glGenRenderbuffers)
{
flags |= COGL_FEATURE_OFFSCREEN;
COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_OFFSCREEN, TRUE);
COGL_FLAGS_SET (private_features,
COGL_PRIVATE_FEATURE_QUERY_FRAMEBUFFER_BITS,
TRUE);
g_set_error (error,
COGL_DRIVER_ERROR,
COGL_DRIVER_ERROR_NO_SUITABLE_DRIVER_FOUND,
"Framebuffer objects are required to use the GL driver");
return FALSE;
}
flags |= COGL_FEATURE_OFFSCREEN;
COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_OFFSCREEN, TRUE);
COGL_FLAGS_SET (private_features,
COGL_PRIVATE_FEATURE_QUERY_FRAMEBUFFER_BITS,
TRUE);
if (ctx->glBlitFramebuffer)
COGL_FLAGS_SET (private_features,