mesa: fix incorrect GL_DEPTH_STENCIL_ATTACHMENT format check
We want to check the incoming renderbuffer format, not the (potentially non-existant) current attachment. Fixes segfault w/ fbotexture -ds2. NOTE: this will be applied to the 7.8 branch too.
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@ -1802,10 +1802,10 @@ _mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
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rb = NULL;
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}
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if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
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if (attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
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rb && rb->Format != MESA_FORMAT_NONE) {
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/* make sure the renderbuffer is a depth/stencil format */
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const GLenum baseFormat =
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_mesa_get_format_base_format(att->Renderbuffer->Format);
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const GLenum baseFormat = _mesa_get_format_base_format(rb->Format);
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if (baseFormat != GL_DEPTH_STENCIL) {
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_mesa_error(ctx, GL_INVALID_OPERATION,
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"glFramebufferRenderbufferEXT(renderbuffer"
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