api_noop.c

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

/*
 * Mesa 3-D graphics library
 * Version:  6.5.1
 *
 * Copyright (C) 1999-2006  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.
 */


#include "glheader.h"
#include "api_noop.h"
#include "api_validate.h"
#include "api_arrayelt.h"
#include "context.h"
#include "light.h"
#include "macros.h"
#include "dlist.h"
#include "glapi/dispatch.h"


/**
 * \file
 * Just update the ctx->Current vertex attributes.
 * These functions are used when outside glBegin/glEnd or outside display
 * lists.
 */


static void GLAPIENTRY _mesa_noop_EdgeFlag( GLboolean b )
{
   GET_CURRENT_CONTEXT(ctx);
   ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] = (GLfloat)b;
}

static void GLAPIENTRY _mesa_noop_Indexf( GLfloat f )
{
   GET_CURRENT_CONTEXT(ctx);
   ctx->Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0] = f;
}

static void GLAPIENTRY _mesa_noop_Indexfv( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   ctx->Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0] = *v;
}

static void GLAPIENTRY _mesa_noop_FogCoordfEXT( GLfloat a )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_FOG];
   dest[0] = a;
   dest[1] = 0.0;
   dest[2] = 0.0;
   dest[3] = 1.0;
}

static void GLAPIENTRY _mesa_noop_FogCoordfvEXT( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_FOG];
   dest[0] = v[0];
   dest[1] = 0.0;
   dest[2] = 0.0;
   dest[3] = 1.0;
}

static void GLAPIENTRY _mesa_noop_Normal3f( GLfloat a, GLfloat b, GLfloat c )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
   dest[0] = a;
   dest[1] = b;
   dest[2] = c;
   dest[3] = 1.0;
}

static void GLAPIENTRY _mesa_noop_Normal3fv( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
   dest[0] = v[0];
   dest[1] = v[1];
   dest[2] = v[2];
   dest[3] = 1.0;
}

static void GLAPIENTRY _mesa_noop_Color4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
   color[0] = a;
   color[1] = b;
   color[2] = c;
   color[3] = d;
}

static void GLAPIENTRY _mesa_noop_Color4fv( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
   color[0] = v[0];
   color[1] = v[1];
   color[2] = v[2];
   color[3] = v[3];
}

static void GLAPIENTRY _mesa_noop_Color3f( GLfloat a, GLfloat b, GLfloat c )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
   color[0] = a;
   color[1] = b;
   color[2] = c;
   color[3] = 1.0;
}

static void GLAPIENTRY _mesa_noop_Color3fv( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
   color[0] = v[0];
   color[1] = v[1];
   color[2] = v[2];
   color[3] = 1.0;
}

static void GLAPIENTRY _mesa_noop_MultiTexCoord1fARB( GLenum target, GLfloat a )
{
   GET_CURRENT_CONTEXT(ctx);
   GLuint unit = target - GL_TEXTURE0_ARB;

   /* unit is unsigned -- cannot be less than zero.
    */
   if (unit < MAX_TEXTURE_COORD_UNITS)
   {
      GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
      dest[0] = a;
      dest[1] = 0;
      dest[2] = 0;
      dest[3] = 1;
   }
}

static void GLAPIENTRY _mesa_noop_MultiTexCoord1fvARB( GLenum target, const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLuint unit = target - GL_TEXTURE0_ARB;

   /* unit is unsigned -- cannot be less than zero.
    */
   if (unit < MAX_TEXTURE_COORD_UNITS)
   {
      GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
      dest[0] = v[0];
      dest[1] = 0;
      dest[2] = 0;
      dest[3] = 1;
   }
}

static void GLAPIENTRY _mesa_noop_MultiTexCoord2fARB( GLenum target, GLfloat a, GLfloat b )
{
   GET_CURRENT_CONTEXT(ctx);
   GLuint unit = target - GL_TEXTURE0_ARB;

   /* unit is unsigned -- cannot be less than zero.
    */
   if (unit < MAX_TEXTURE_COORD_UNITS)
   {
      GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
      dest[0] = a;
      dest[1] = b;
      dest[2] = 0;
      dest[3] = 1;
   }
}

static void GLAPIENTRY _mesa_noop_MultiTexCoord2fvARB( GLenum target, const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLuint unit = target - GL_TEXTURE0_ARB;

   /* unit is unsigned -- cannot be less than zero.
    */
   if (unit < MAX_TEXTURE_COORD_UNITS)
   {
      GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
      dest[0] = v[0];
      dest[1] = v[1];
      dest[2] = 0;
      dest[3] = 1;
   }
}

static void GLAPIENTRY _mesa_noop_MultiTexCoord3fARB( GLenum target, GLfloat a, GLfloat b, GLfloat c)
{
   GET_CURRENT_CONTEXT(ctx);
   GLuint unit = target - GL_TEXTURE0_ARB;

   /* unit is unsigned -- cannot be less than zero.
    */
   if (unit < MAX_TEXTURE_COORD_UNITS)
   {
      GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
      dest[0] = a;
      dest[1] = b;
      dest[2] = c;
      dest[3] = 1;
   }
}

static void GLAPIENTRY _mesa_noop_MultiTexCoord3fvARB( GLenum target, const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLuint unit = target - GL_TEXTURE0_ARB;

   /* unit is unsigned -- cannot be less than zero.
    */
   if (unit < MAX_TEXTURE_COORD_UNITS)
   {
      GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
      dest[0] = v[0];
      dest[1] = v[1];
      dest[2] = v[2];
      dest[3] = 1;
   }
}

static void GLAPIENTRY _mesa_noop_MultiTexCoord4fARB( GLenum target, GLfloat a, GLfloat b,
			      GLfloat c, GLfloat d )
{
   GET_CURRENT_CONTEXT(ctx);
   GLuint unit = target - GL_TEXTURE0_ARB;

   /* unit is unsigned -- cannot be less than zero.
    */
   if (unit < MAX_TEXTURE_COORD_UNITS)
   {
      GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
      dest[0] = a;
      dest[1] = b;
      dest[2] = c;
      dest[3] = d;
   }
}

static void GLAPIENTRY _mesa_noop_MultiTexCoord4fvARB( GLenum target, const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLuint unit = target - GL_TEXTURE0_ARB;

   /* unit is unsigned -- cannot be less than zero.
    */
   if (unit < MAX_TEXTURE_COORD_UNITS)
   {
      GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
      dest[0] = v[0];
      dest[1] = v[1];
      dest[2] = v[2];
      dest[3] = v[3];
   }
}

static void GLAPIENTRY _mesa_noop_SecondaryColor3fEXT( GLfloat a, GLfloat b, GLfloat c )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
   color[0] = a;
   color[1] = b;
   color[2] = c;
   color[3] = 1.0;
}

static void GLAPIENTRY _mesa_noop_SecondaryColor3fvEXT( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
   color[0] = v[0];
   color[1] = v[1];
   color[2] = v[2];
   color[3] = 1.0;
}

static void GLAPIENTRY _mesa_noop_TexCoord1f( GLfloat a )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
   dest[0] = a;
   dest[1] = 0;
   dest[2] = 0;
   dest[3] = 1;
}

static void GLAPIENTRY _mesa_noop_TexCoord1fv( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
   dest[0] = v[0];
   dest[1] = 0;
   dest[2] = 0;
   dest[3] = 1;
}

static void GLAPIENTRY _mesa_noop_TexCoord2f( GLfloat a, GLfloat b )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
   dest[0] = a;
   dest[1] = b;
   dest[2] = 0;
   dest[3] = 1;
}

static void GLAPIENTRY _mesa_noop_TexCoord2fv( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
   dest[0] = v[0];
   dest[1] = v[1];
   dest[2] = 0;
   dest[3] = 1;
}

static void GLAPIENTRY _mesa_noop_TexCoord3f( GLfloat a, GLfloat b, GLfloat c )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
   dest[0] = a;
   dest[1] = b;
   dest[2] = c;
   dest[3] = 1;
}

static void GLAPIENTRY _mesa_noop_TexCoord3fv( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
   dest[0] = v[0];
   dest[1] = v[1];
   dest[2] = v[2];
   dest[3] = 1;
}

static void GLAPIENTRY _mesa_noop_TexCoord4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
   dest[0] = a;
   dest[1] = b;
   dest[2] = c;
   dest[3] = d;
}

static void GLAPIENTRY _mesa_noop_TexCoord4fv( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
   dest[0] = v[0];
   dest[1] = v[1];
   dest[2] = v[2];
   dest[3] = v[3];
}


/**
 * GL_NV_vertex_program attributes.
 * Note that these attributes alias the conventional vertex attributes.
 */

static void GLAPIENTRY _mesa_noop_VertexAttrib1fNV( GLuint index, GLfloat x )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS) {
      ASSIGN_4V(ctx->Current.Attrib[index], x, 0, 0, 1);
   }
   else
      _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib1fNV(index)" );
}

static void GLAPIENTRY _mesa_noop_VertexAttrib1fvNV( GLuint index, const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS) {
      ASSIGN_4V(ctx->Current.Attrib[index], v[0], 0, 0, 1);
   }
   else
      _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib1fvNV(index)" );
}

static void GLAPIENTRY _mesa_noop_VertexAttrib2fNV( GLuint index, GLfloat x, GLfloat y )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS) {
      ASSIGN_4V(ctx->Current.Attrib[index], x, y, 0, 1);
   }
   else
      _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib2fNV(index)" );
}

static void GLAPIENTRY _mesa_noop_VertexAttrib2fvNV( GLuint index, const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS) {
      ASSIGN_4V(ctx->Current.Attrib[index], v[0], v[1], 0, 1);
   }
   else
      _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib2fvNV(index)" );
}

static void GLAPIENTRY _mesa_noop_VertexAttrib3fNV( GLuint index, GLfloat x,
                                  GLfloat y, GLfloat z )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS) {
      ASSIGN_4V(ctx->Current.Attrib[index], x, y, z, 1);
   }
   else
      _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib3fNV(index)" );
}

static void GLAPIENTRY _mesa_noop_VertexAttrib3fvNV( GLuint index, const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS) {
      ASSIGN_4V(ctx->Current.Attrib[index], v[0], v[1], v[2], 1);
   }
   else
      _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib3fvNV(index)" );
}

static void GLAPIENTRY _mesa_noop_VertexAttrib4fNV( GLuint index, GLfloat x,
                                  GLfloat y, GLfloat z, GLfloat w )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS) {
      ASSIGN_4V(ctx->Current.Attrib[index], x, y, z, w);
   }
   else
      _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib4fNV(index)" );
}

static void GLAPIENTRY _mesa_noop_VertexAttrib4fvNV( GLuint index, const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS) {
      ASSIGN_4V(ctx->Current.Attrib[index], v[0], v[1], v[2], v[3]);
   }
   else
      _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib4fvNV(index)" );
}



/**
 * GL_ARB_vertex_program attributes.
 * Note that these attributes DO NOT alias the conventional vertex attributes.
 */

static void GLAPIENTRY _mesa_noop_VertexAttrib1fARB( GLuint index, GLfloat x )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_VERTEX_ATTRIBS) {
      ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], x, 0, 0, 1);
   }
   else
      _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib1fARB(index)" );
}

static void GLAPIENTRY _mesa_noop_VertexAttrib1fvARB( GLuint index, const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   if (index < MAX_VERTEX_ATTRIBS) {
      ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], v[0], 0, 0, 1);