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/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
* (C) Copyright IBM Corporation 2006
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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 ARRAYOBJ_H
#define ARRAYOBJ_H
#include "glheader.h"
#include "mtypes.h"
#include "glformats.h"
struct gl_context;
/**
* \file arrayobj.h
* Functions for the GL_APPLE_vertex_array_object extension.
*
* \author Ian Romanick <idr@us.ibm.com>
* \author Brian Paul
*/
/*
* Internal functions
*/
extern struct gl_vertex_array_object *
_mesa_lookup_vao(struct gl_context *ctx, GLuint id);
extern struct gl_vertex_array_object *
_mesa_new_vao(struct gl_context *ctx, GLuint name);
extern void
_mesa_delete_vao(struct gl_context *ctx, struct gl_vertex_array_object *obj);
extern void
_mesa_reference_vao_(struct gl_context *ctx,
struct gl_vertex_array_object **ptr,
struct gl_vertex_array_object *vao);
static inline void
_mesa_reference_vao(struct gl_context *ctx,
struct gl_vertex_array_object **ptr,
struct gl_vertex_array_object *vao)
{
if (*ptr != vao)
_mesa_reference_vao_(ctx, ptr, vao);
}
extern void
_mesa_initialize_vao(struct gl_context *ctx,
struct gl_vertex_array_object *obj, GLuint name);
extern void
_mesa_update_vao_max_element(struct gl_context *ctx,
struct gl_vertex_array_object *vao);
extern void
_mesa_update_vao_client_arrays(struct gl_context *ctx,
struct gl_vertex_array_object *vao);
/** Returns the bitmask of all enabled arrays in fixed function mode.
*
* In fixed function mode only the traditional fixed function arrays
* are available.
*/
static inline GLbitfield64
_mesa_array_object_get_enabled_ff(const struct gl_vertex_array_object *vao)
{
return vao->_Enabled & VERT_BIT_FF_ALL;
}
/** Returns the bitmask of all enabled arrays in arb/glsl shader mode.
*
* In arb/glsl shader mode all the fixed function and the arb/glsl generic
* arrays are available. Only the first generic array takes
* precedence over the legacy position array.
*/
static inline GLbitfield64
_mesa_array_object_get_enabled_arb(const struct gl_vertex_array_object *vao)
{
GLbitfield64 enabled = vao->_Enabled;
return enabled & ~(VERT_BIT_POS & (enabled >> VERT_ATTRIB_GENERIC0));
}
/*
* API functions
*/
void GLAPIENTRY _mesa_BindVertexArray( GLuint id );
void GLAPIENTRY _mesa_BindVertexArrayAPPLE( GLuint id );
void GLAPIENTRY _mesa_DeleteVertexArrays(GLsizei n, const GLuint *ids);
void GLAPIENTRY _mesa_GenVertexArrays(GLsizei n, GLuint *arrays);
void GLAPIENTRY _mesa_GenVertexArraysAPPLE(GLsizei n, GLuint *buffer);
GLboolean GLAPIENTRY _mesa_IsVertexArray( GLuint id );
#endif /* ARRAYOBJ_H */
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