api_arrayelt.c

winNT技术操作系统,国外开放的原代码和LIUX一样

/*
 * Mesa 3-D graphics library
 * Version:  6.3
 *
 * Copyright (C) 1999-2004  Brian Paul   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.
 */

/* Author:
 *    Keith Whitwell <[e-mail]>
 */

#include "glheader.h"
#include "api_arrayelt.h"
#include "context.h"
#include "glapi.h"
#include "imports.h"
#include "macros.h"
#include "mtypes.h"
#include "glapioffsets.h"
#include "dispatch.h"

typedef void (GLAPIENTRY *array_func)( const void * );

typedef struct {
   const struct gl_client_array *array;
   int offset;
} AEarray;

typedef void (GLAPIENTRY *attrib_func)( GLuint indx, const void *data );

typedef struct {
   const struct gl_client_array *array;
   attrib_func func;
   GLuint index;
} AEattrib;

typedef struct {
   AEarray arrays[32];
   AEattrib attribs[VERT_ATTRIB_MAX + 1];
   GLuint NewState;
} AEcontext;

#define AE_CONTEXT(ctx) ((AEcontext *)(ctx)->aelt_context)


/*
 * Convert GL_BYTE, GL_UNSIGNED_BYTE, .. GL_DOUBLE into an integer
 * in the range [0, 7].  Luckily these type tokens are sequentially
 * numbered in gl.h, except for GL_DOUBLE.
 */
#define TYPE_IDX(t) ( (t) == GL_DOUBLE ? 7 : (t) & 7 )

static const int ColorFuncs[2][8] = {
   {
      _gloffset_Color3bv,
      _gloffset_Color3ubv,
      _gloffset_Color3sv,
      _gloffset_Color3usv,
      _gloffset_Color3iv,
      _gloffset_Color3uiv,
      _gloffset_Color3fv,
      _gloffset_Color3dv,
   },
   {
      _gloffset_Color4bv,
      _gloffset_Color4ubv,
      _gloffset_Color4sv,
      _gloffset_Color4usv,
      _gloffset_Color4iv,
      _gloffset_Color4uiv,
      _gloffset_Color4fv,
      _gloffset_Color4dv,
   },
};

static const int VertexFuncs[3][8] = {
   {
      -1,
      -1,
      _gloffset_Vertex2sv,
      -1,
      _gloffset_Vertex2iv,
      -1,
      _gloffset_Vertex2fv,
      _gloffset_Vertex2dv,
   },
   {
      -1,
      -1,
      _gloffset_Vertex3sv,
      -1,
      _gloffset_Vertex3iv,
      -1,
      _gloffset_Vertex3fv,
      _gloffset_Vertex3dv,
   },
   {
      -1,
      -1,
      _gloffset_Vertex4sv,
      -1,
      _gloffset_Vertex4iv,
      -1,
      _gloffset_Vertex4fv,
      _gloffset_Vertex4dv,
   },
};

static const int IndexFuncs[8] = {
   -1,
   _gloffset_Indexubv,
   _gloffset_Indexsv,
   -1,
   _gloffset_Indexiv,
   -1,
   _gloffset_Indexfv,
   _gloffset_Indexdv,
};

static const int NormalFuncs[8] = {
   _gloffset_Normal3bv,
   -1,
   _gloffset_Normal3sv,
   -1,
   _gloffset_Normal3iv,
   -1,
   _gloffset_Normal3fv,
   _gloffset_Normal3dv,
};

#if defined(IN_DRI_DRIVER)
static int SecondaryColorFuncs[8];
static int FogCoordFuncs[8] = {
   -1,
   -1,
   -1,
   -1,
   -1,
   -1,
    0,
    0,
};
#else
static const int SecondaryColorFuncs[8] = {
   _gloffset_SecondaryColor3bvEXT,
   _gloffset_SecondaryColor3ubvEXT,
   _gloffset_SecondaryColor3svEXT,
   _gloffset_SecondaryColor3usvEXT,
   _gloffset_SecondaryColor3ivEXT,
   _gloffset_SecondaryColor3uivEXT,
   _gloffset_SecondaryColor3fvEXT,
   _gloffset_SecondaryColor3dvEXT,
};

static const int FogCoordFuncs[8] = {
   -1,
   -1,
   -1,
   -1,
   -1,
   -1,
   _gloffset_FogCoordfvEXT,
   _gloffset_FogCoorddvEXT
};
#endif

/**********************************************************************/

/* GL_BYTE attributes */

static void GLAPIENTRY VertexAttrib1NbvNV(GLuint index, const GLbyte *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, BYTE_TO_FLOAT(v[0])));
}

static void GLAPIENTRY VertexAttrib1bvNV(GLuint index, const GLbyte *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
}

static void GLAPIENTRY VertexAttrib2NbvNV(GLuint index, const GLbyte *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, BYTE_TO_FLOAT(v[0]), BYTE_TO_FLOAT(v[1])));
}

static void GLAPIENTRY VertexAttrib2bvNV(GLuint index, const GLbyte *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
}

static void GLAPIENTRY VertexAttrib3NbvNV(GLuint index, const GLbyte *v)
{
   CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, BYTE_TO_FLOAT(v[0]),
					       BYTE_TO_FLOAT(v[1]),
					       BYTE_TO_FLOAT(v[2])));
}

static void GLAPIENTRY VertexAttrib3bvNV(GLuint index, const GLbyte *v)
{
   CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
}

static void GLAPIENTRY VertexAttrib4NbvNV(GLuint index, const GLbyte *v)
{
   CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, BYTE_TO_FLOAT(v[0]),
					       BYTE_TO_FLOAT(v[1]),
					       BYTE_TO_FLOAT(v[2]),
					       BYTE_TO_FLOAT(v[3])));
}

static void GLAPIENTRY VertexAttrib4bvNV(GLuint index, const GLbyte *v)
{
   CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
}

/* GL_UNSIGNED_BYTE attributes */

static void GLAPIENTRY VertexAttrib1NubvNV(GLuint index, const GLubyte *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, UBYTE_TO_FLOAT(v[0])));
}

static void GLAPIENTRY VertexAttrib1ubvNV(GLuint index, const GLubyte *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
}

static void GLAPIENTRY VertexAttrib2NubvNV(GLuint index, const GLubyte *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, UBYTE_TO_FLOAT(v[0]),
					       UBYTE_TO_FLOAT(v[1])));
}

static void GLAPIENTRY VertexAttrib2ubvNV(GLuint index, const GLubyte *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
}

static void GLAPIENTRY VertexAttrib3NubvNV(GLuint index, const GLubyte *v)
{
   CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, UBYTE_TO_FLOAT(v[0]),
					       UBYTE_TO_FLOAT(v[1]),
					       UBYTE_TO_FLOAT(v[2])));
}
static void GLAPIENTRY VertexAttrib3ubvNV(GLuint index, const GLubyte *v)
{
   CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
}

static void GLAPIENTRY VertexAttrib4NubvNV(GLuint index, const GLubyte *v)
{
   CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, UBYTE_TO_FLOAT(v[0]),
                                     UBYTE_TO_FLOAT(v[1]),
                                     UBYTE_TO_FLOAT(v[2]),
                                     UBYTE_TO_FLOAT(v[3])));
}

static void GLAPIENTRY VertexAttrib4ubvNV(GLuint index, const GLubyte *v)
{
   CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
}

/* GL_SHORT attributes */

static void GLAPIENTRY VertexAttrib1NsvNV(GLuint index, const GLshort *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, SHORT_TO_FLOAT(v[0])));
}

static void GLAPIENTRY VertexAttrib1svNV(GLuint index, const GLshort *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
}

static void GLAPIENTRY VertexAttrib2NsvNV(GLuint index, const GLshort *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, SHORT_TO_FLOAT(v[0]),
					       SHORT_TO_FLOAT(v[1])));
}

static void GLAPIENTRY VertexAttrib2svNV(GLuint index, const GLshort *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
}

static void GLAPIENTRY VertexAttrib3NsvNV(GLuint index, const GLshort *v)
{
   CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, SHORT_TO_FLOAT(v[0]),
			     SHORT_TO_FLOAT(v[1]),
			     SHORT_TO_FLOAT(v[2])));
}

static void GLAPIENTRY VertexAttrib3svNV(GLuint index, const GLshort *v)
{
   CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
}

static void GLAPIENTRY VertexAttrib4NsvNV(GLuint index, const GLshort *v)
{
   CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, SHORT_TO_FLOAT(v[0]),
			     SHORT_TO_FLOAT(v[1]),
			     SHORT_TO_FLOAT(v[2]),
			     SHORT_TO_FLOAT(v[3])));
}

static void GLAPIENTRY VertexAttrib4svNV(GLuint index, const GLshort *v)
{
   CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
}

/* GL_UNSIGNED_SHORT attributes */

static void GLAPIENTRY VertexAttrib1NusvNV(GLuint index, const GLushort *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, USHORT_TO_FLOAT(v[0])));
}

static void GLAPIENTRY VertexAttrib1usvNV(GLuint index, const GLushort *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
}

static void GLAPIENTRY VertexAttrib2NusvNV(GLuint index, const GLushort *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, USHORT_TO_FLOAT(v[0]),
			     USHORT_TO_FLOAT(v[1])));
}

static void GLAPIENTRY VertexAttrib2usvNV(GLuint index, const GLushort *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
}

static void GLAPIENTRY VertexAttrib3NusvNV(GLuint index, const GLushort *v)
{
   CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, USHORT_TO_FLOAT(v[0]),
					       USHORT_TO_FLOAT(v[1]),
					       USHORT_TO_FLOAT(v[2])));
}

static void GLAPIENTRY VertexAttrib3usvNV(GLuint index, const GLushort *v)
{
   CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
}

static void GLAPIENTRY VertexAttrib4NusvNV(GLuint index, const GLushort *v)
{
   CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, USHORT_TO_FLOAT(v[0]),
					       USHORT_TO_FLOAT(v[1]),
					       USHORT_TO_FLOAT(v[2]),
					       USHORT_TO_FLOAT(v[3])));
}

static void GLAPIENTRY VertexAttrib4usvNV(GLuint index, const GLushort *v)
{
   CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
}

/* GL_INT attributes */

static void GLAPIENTRY VertexAttrib1NivNV(GLuint index, const GLint *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, INT_TO_FLOAT(v[0])));
}

static void GLAPIENTRY VertexAttrib1ivNV(GLuint index, const GLint *v)
{
   CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
}

static void GLAPIENTRY VertexAttrib2NivNV(GLuint index, const GLint *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, INT_TO_FLOAT(v[0]),
					       INT_TO_FLOAT(v[1])));
}

static void GLAPIENTRY VertexAttrib2ivNV(GLuint index, const GLint *v)
{
   CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
}

static void GLAPIENTRY VertexAttrib3NivNV(GLuint index, const GLint *v)