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mesa: use geometric helper for computing min samples

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In case we have a draw buffer without attachments, we should be looking
at the default number of samples.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Ilia Mirkin 2016-01-31 00:44:14 -05:00
parent 2d4976fa19
commit beac7b1b8b
1 changed files with 4 additions and 3 deletions
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7
src/mesa/program/program.c
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@ -31,6 +31,7 @@
#include "main/glheader.h"
#include "main/context.h"
#include "main/framebuffer.h"
#include "main/hash.h"
#include "main/macros.h"
#include "program.h"
@ -534,14 +535,14 @@ _mesa_get_min_invocations_per_fragment(struct gl_context *ctx,
* forces per-sample shading"
*/
if (prog->IsSample && !ignore_sample_qualifier)
return MAX2(ctx->DrawBuffer->Visual.samples, 1);
return MAX2(_mesa_geometric_samples(ctx->DrawBuffer), 1);
if (prog->Base.SystemValuesRead & (SYSTEM_BIT_SAMPLE_ID |
SYSTEM_BIT_SAMPLE_POS))
return MAX2(ctx->DrawBuffer->Visual.samples, 1);
return MAX2(_mesa_geometric_samples(ctx->DrawBuffer), 1);
else if (ctx->Multisample.SampleShading)
return MAX2(ceil(ctx->Multisample.MinSampleShadingValue *
ctx->DrawBuffer->Visual.samples), 1);
_mesa_geometric_samples(ctx->DrawBuffer)), 1);
else
return 1;
}