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i965: Claim to support 4 multisamples on gen6+.

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We're not quite ready to actually support it in the implementation,
but at least this allows GL 3.0 API-reliant applications to hopefully
run successfully, though they won't get multisampling.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt 2012-01-09 16:39:28 -08:00
parent 3d4efc583c
commit be4e46b21a
1 changed files with 8 additions and 0 deletions
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8
src/mesa/drivers/dri/i965/brw_context.c
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@ -208,6 +208,14 @@ brwCreateContext(int api,
ctx->Const.MaxTransformFeedbackSeparateComponents =
BRW_MAX_SOL_BINDINGS / BRW_MAX_SOL_BUFFERS;
/* Claim to support 4 multisamples, even though we don't. This is a
* requirement for GL 3.0 that we missed until the last minute. Go ahead and
* claim the limit, so that usage of the 4 multisample-based API that is
* guaranteed in 3.0 succeeds, even though we only rasterize a single sample.
*/
if (intel->gen >= 6)
ctx->Const.MaxSamples = 4;
/* if conformance mode is set, swrast can handle any size AA point */
ctx->Const.MaxPointSizeAA = 255.0;