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Check for GL_EXT_packed_depth_stencil

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The GL_DEPTH_STENCIL format for renderbuffers is defined in a separate
extension from GL_EXT_framebuffer_object so we probably shouldn't
being trying to use it unless that extension is advertised. This just
replaces the check for whether the driver is GL for a check for a
private feature flag before trying GL_DEPTH_STENCIL. The private
feature flag is set if the extension is available on GL.

Reviewed-by: Robert Bragg <robert@linux.intel.com>
This commit is contained in:
Neil Roberts
2012-02-22 16:55:34 +00:00
parent d3e6f2bc83
commit b52d24c933
3 changed files with 7 additions and 4 deletions
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5
cogl/cogl-framebuffer.c
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@ -1006,10 +1006,9 @@ _cogl_offscreen_allocate (CoglOffscreen *offscreen,
{
if ((have_working_flags &&
try_creating_fbo (offscreen, flags)) ||
#ifdef HAVE_COGL_GL
(ctx->driver == COGL_DRIVER_GL &&
((ctx->private_feature_flags &
COGL_PRIVATE_FEATURE_EXT_PACKED_DEPTH_STENCIL) &&
try_creating_fbo (offscreen, flags = _TRY_DEPTH_STENCIL)) ||
#endif
try_creating_fbo (offscreen, flags = _TRY_DEPTH | _TRY_STENCIL) ||
try_creating_fbo (offscreen, flags = _TRY_STENCIL) ||
try_creating_fbo (offscreen, flags = _TRY_DEPTH) ||