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/*
* Mesa 3-D graphics library
* Version: 7.5
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef FEEDBACK_H
#define FEEDBACK_H
#include "main/mtypes.h"
#if FEATURE_feedback
#define _MESA_INIT_FEEDBACK_FUNCTIONS(driver, impl) \
do { \
(driver)->RenderMode = impl ## RenderMode; \
} while (0)
extern void
_mesa_feedback_vertex( GLcontext *ctx,
const GLfloat win[4],
const GLfloat color[4],
const GLfloat texcoord[4] );
static INLINE void
_mesa_feedback_token( GLcontext *ctx, GLfloat token )
{
if (ctx->Feedback.Count < ctx->Feedback.BufferSize) {
ctx->Feedback.Buffer[ctx->Feedback.Count] = token;
}
ctx->Feedback.Count++;
}
extern void
_mesa_update_hitflag( GLcontext *ctx, GLfloat z );
extern void
_mesa_init_feedback_dispatch(struct _glapi_table *disp);
#else /* FEATURE_feedback */
#define _MESA_INIT_FEEDBACK_FUNCTIONS(driver, impl) do { } while (0)
static INLINE void
_mesa_feedback_vertex( GLcontext *ctx,
const GLfloat win[4],
const GLfloat color[4],
const GLfloat texcoord[4] )
{
/* render mode is always GL_RENDER */
ASSERT_NO_FEATURE();
}
static INLINE void
_mesa_feedback_token( GLcontext *ctx, GLfloat token )
{
/* render mode is always GL_RENDER */
ASSERT_NO_FEATURE();
}
static INLINE void
_mesa_update_hitflag( GLcontext *ctx, GLfloat z )
{
/* render mode is always GL_RENDER */
ASSERT_NO_FEATURE();
}
static INLINE void
_mesa_init_feedback_dispatch(struct _glapi_table *disp)
{
}
#endif /* FEATURE_feedback */
extern void
_mesa_init_feedback( GLcontext *ctx );
#endif /* FEEDBACK_H */
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