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/* Copyright (c) 2001, Stanford University
* All rights reserved
*
* See the file LICENSE.txt for information on redistributing this software.
*/
#include <stdio.h>
#include "state.h"
#include "state/cr_statetypes.h"
#include "state_internals.h"
void crStateMultisampleInit (CRContext *ctx)
{
CRMultisampleState *m = &ctx->multisample;
CRStateBits *sb = GetCurrentBits();
CRMultisampleBits *mb = &(sb->multisample);
m->enabled = GL_FALSE; /* TRUE if the visual supports it */
m->sampleAlphaToCoverage = GL_FALSE;
m->sampleAlphaToOne = GL_FALSE;
m->sampleCoverage = GL_FALSE;
RESET(mb->enable, ctx->bitid);
m->sampleCoverageValue = 1.0F;
m->sampleCoverageInvert = GL_FALSE;
RESET(mb->sampleCoverageValue, ctx->bitid);
RESET(mb->dirty, ctx->bitid);
}
void STATE_APIENTRY crStateSampleCoverageARB(GLclampf value, GLboolean invert)
{
CRContext *g = GetCurrentContext();
CRMultisampleState *m = &(g->multisample);
CRStateBits *sb = GetCurrentBits();
CRMultisampleBits *mb = &(sb->multisample);
if (g->current.inBeginEnd)
{
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glStateSampleCoverageARB called in begin/end");
return;
}
FLUSH();
m->sampleCoverageValue = value;
m->sampleCoverageInvert = invert;
DIRTY(mb->dirty, g->neg_bitid);
DIRTY(mb->sampleCoverageValue, g->neg_bitid);
}
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