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mesa: Add support for inverted s/w conditional rendering

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Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Chris Forbes 2014-08-19 23:23:08 +12:00
parent 9a071e3339
commit 3f8ad32627
1 changed files with 13 additions and 0 deletions
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13
src/mesa/main/condrender.c
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@ -162,12 +162,25 @@ _mesa_check_conditional_render(struct gl_context *ctx)
ctx->Driver.WaitQuery(ctx, q);
}
return q->Result > 0;
case GL_QUERY_BY_REGION_WAIT_INVERTED:
/* fall-through */
case GL_QUERY_WAIT_INVERTED:
if (!q->Ready) {
ctx->Driver.WaitQuery(ctx, q);
}
return q->Result == 0;
case GL_QUERY_BY_REGION_NO_WAIT:
/* fall-through */
case GL_QUERY_NO_WAIT:
if (!q->Ready)
ctx->Driver.CheckQuery(ctx, q);
return q->Ready ? (q->Result > 0) : GL_TRUE;
case GL_QUERY_BY_REGION_NO_WAIT_INVERTED:
/* fall-through */
case GL_QUERY_NO_WAIT_INVERTED:
if (!q->Ready)
ctx->Driver.CheckQuery(ctx, q);
return q->Ready ? (q->Result == 0) : GL_TRUE;
default:
_mesa_problem(ctx, "Bad cond render mode %s in "
" _mesa_check_conditional_render()",