On 05/25/2013 05:33 AM, Fabian Bieler wrote:
When validating draw parameters move check for 0 draw count last
(drawing with count 0 is not an error), so that other parameters (e.g.: the
primitive type) are validated and the correct errors (if applicable) are
generated.
From the OpenGL 3.3 spec page 33 (page 48 of the PDF):
"[Regarding DrawArraysOneInstance, in terms of which other draw operations
are defined:]
If count is negative, an INVALID_VALUE error is generated."
This patch also changes the bahavior of MultiDrawElements to perform the draw
operation if some primitive's index counts are zero.
Signed-off-by: Fabian Bieler <fabianbie...@fastmail.fm>
Reviewed-by: Brian Paul <bri...@vmware.com>
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