865 lines
21 KiB
C
865 lines
21 KiB
C
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/*
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* Mesa 3-D graphics library
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* Version: 5.1
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*
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* Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "glheader.h"
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#include "api_noop.h"
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#include "api_validate.h"
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#include "api_arrayelt.h"
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#include "context.h"
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#include "colormac.h"
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#include "light.h"
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#include "macros.h"
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#include "mtypes.h"
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#include "dlist.h"
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/* In states where certain vertex components are required for t&l or
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* rasterization, we still need to keep track of the current values.
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* These functions provide this service by keeping uptodate the
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* 'ctx->Current' struct for all data elements not included in the
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* currently enabled hardware vertex.
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*
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*/
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void _mesa_noop_EdgeFlag( GLboolean b )
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{
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GET_CURRENT_CONTEXT(ctx);
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ctx->Current.EdgeFlag = b;
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}
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void _mesa_noop_EdgeFlagv( const GLboolean *b )
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{
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GET_CURRENT_CONTEXT(ctx);
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ctx->Current.EdgeFlag = *b;
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}
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void _mesa_noop_Indexf( GLfloat f )
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{
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GET_CURRENT_CONTEXT(ctx);
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ctx->Current.Index = f;
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}
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void _mesa_noop_Indexfv( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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ctx->Current.Index = *v;
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}
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void _mesa_noop_FogCoordfEXT( GLfloat a )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_FOG];
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dest[0] = a;
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dest[1] = 0.0;
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dest[2] = 0.0;
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dest[3] = 1.0;
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}
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void _mesa_noop_FogCoordfvEXT( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
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dest[0] = v[0];
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dest[1] = 0.0;
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dest[2] = 0.0;
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dest[3] = 1.0;
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}
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void _mesa_noop_Normal3f( GLfloat a, GLfloat b, GLfloat c )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
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dest[0] = a;
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dest[1] = b;
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dest[2] = c;
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dest[3] = 1.0;
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}
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void _mesa_noop_Normal3fv( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
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dest[0] = v[0];
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dest[1] = v[1];
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dest[2] = v[2];
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dest[3] = 1.0;
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}
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void _mesa_noop_Color4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
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color[0] = a;
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color[1] = b;
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color[2] = c;
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color[3] = d;
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}
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void _mesa_noop_Color4fv( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
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color[0] = v[0];
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color[1] = v[1];
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color[2] = v[2];
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color[3] = v[3];
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}
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void _mesa_noop_Color3f( GLfloat a, GLfloat b, GLfloat c )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
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color[0] = a;
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color[1] = b;
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color[2] = c;
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color[3] = 1.0;
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}
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void _mesa_noop_Color3fv( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
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color[0] = v[0];
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color[1] = v[1];
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color[2] = v[2];
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color[3] = 1.0;
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}
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void _mesa_noop_MultiTexCoord1fARB( GLenum target, GLfloat a )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLuint unit = target - GL_TEXTURE0_ARB;
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/* unit is unsigned -- cannot be less than zero.
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*/
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if (unit < MAX_TEXTURE_COORD_UNITS)
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{
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
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dest[0] = a;
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dest[1] = 0;
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dest[2] = 0;
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dest[3] = 1;
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}
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}
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void _mesa_noop_MultiTexCoord1fvARB( GLenum target, const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLuint unit = target - GL_TEXTURE0_ARB;
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/* unit is unsigned -- cannot be less than zero.
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*/
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if (unit < MAX_TEXTURE_COORD_UNITS)
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{
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
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dest[0] = v[0];
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dest[1] = 0;
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dest[2] = 0;
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dest[3] = 1;
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}
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}
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void _mesa_noop_MultiTexCoord2fARB( GLenum target, GLfloat a, GLfloat b )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLuint unit = target - GL_TEXTURE0_ARB;
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/* unit is unsigned -- cannot be less than zero.
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*/
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if (unit < MAX_TEXTURE_COORD_UNITS)
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{
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
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dest[0] = a;
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dest[1] = b;
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dest[2] = 0;
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dest[3] = 1;
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}
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}
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void _mesa_noop_MultiTexCoord2fvARB( GLenum target, const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLuint unit = target - GL_TEXTURE0_ARB;
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/* unit is unsigned -- cannot be less than zero.
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*/
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if (unit < MAX_TEXTURE_COORD_UNITS)
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{
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
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dest[0] = v[0];
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dest[1] = v[1];
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dest[2] = 0;
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dest[3] = 1;
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}
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}
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void _mesa_noop_MultiTexCoord3fARB( GLenum target, GLfloat a, GLfloat b, GLfloat c)
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{
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GET_CURRENT_CONTEXT(ctx);
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GLuint unit = target - GL_TEXTURE0_ARB;
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/* unit is unsigned -- cannot be less than zero.
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*/
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if (unit < MAX_TEXTURE_COORD_UNITS)
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{
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
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dest[0] = a;
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dest[1] = b;
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dest[2] = c;
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dest[3] = 1;
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}
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}
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void _mesa_noop_MultiTexCoord3fvARB( GLenum target, const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLuint unit = target - GL_TEXTURE0_ARB;
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/* unit is unsigned -- cannot be less than zero.
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*/
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if (unit < MAX_TEXTURE_COORD_UNITS)
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{
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
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dest[0] = v[0];
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dest[1] = v[1];
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dest[2] = v[2];
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dest[3] = 1;
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}
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}
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void _mesa_noop_MultiTexCoord4fARB( GLenum target, GLfloat a, GLfloat b,
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GLfloat c, GLfloat d )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLuint unit = target - GL_TEXTURE0_ARB;
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/* unit is unsigned -- cannot be less than zero.
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*/
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if (unit < MAX_TEXTURE_COORD_UNITS)
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{
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
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dest[0] = a;
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dest[1] = b;
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dest[2] = c;
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dest[3] = d;
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}
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}
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void _mesa_noop_MultiTexCoord4fvARB( GLenum target, const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLuint unit = target - GL_TEXTURE0_ARB;
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/* unit is unsigned -- cannot be less than zero.
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*/
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if (unit < MAX_TEXTURE_COORD_UNITS)
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{
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit];
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dest[0] = v[0];
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dest[1] = v[1];
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dest[2] = v[2];
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dest[3] = v[3];
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}
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}
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void _mesa_noop_SecondaryColor3fEXT( GLfloat a, GLfloat b, GLfloat c )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
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color[0] = a;
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color[1] = b;
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color[2] = c;
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color[3] = 1.0;
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}
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void _mesa_noop_SecondaryColor3fvEXT( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
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color[0] = v[0];
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color[1] = v[1];
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color[2] = v[2];
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color[3] = 1.0;
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}
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void _mesa_noop_TexCoord1f( GLfloat a )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
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dest[0] = a;
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dest[1] = 0;
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dest[2] = 0;
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dest[3] = 1;
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}
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void _mesa_noop_TexCoord1fv( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
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dest[0] = v[0];
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dest[1] = 0;
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dest[2] = 0;
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dest[3] = 1;
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}
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void _mesa_noop_TexCoord2f( GLfloat a, GLfloat b )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
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dest[0] = a;
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dest[1] = b;
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dest[2] = 0;
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dest[3] = 1;
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}
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void _mesa_noop_TexCoord2fv( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
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dest[0] = v[0];
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dest[1] = v[1];
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dest[2] = 0;
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dest[3] = 1;
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}
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void _mesa_noop_TexCoord3f( GLfloat a, GLfloat b, GLfloat c )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
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dest[0] = a;
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dest[1] = b;
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dest[2] = c;
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dest[3] = 1;
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}
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void _mesa_noop_TexCoord3fv( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
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dest[0] = v[0];
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dest[1] = v[1];
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dest[2] = v[2];
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dest[3] = 1;
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}
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void _mesa_noop_TexCoord4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
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dest[0] = a;
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dest[1] = b;
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dest[2] = c;
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dest[3] = d;
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}
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void _mesa_noop_TexCoord4fv( const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
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dest[0] = v[0];
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dest[1] = v[1];
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dest[2] = v[2];
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dest[3] = v[3];
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}
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void _mesa_noop_VertexAttrib1fNV( GLuint index, GLfloat x )
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{
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GET_CURRENT_CONTEXT(ctx);
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if (index < VERT_ATTRIB_MAX) {
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ASSIGN_4V(ctx->Current.Attrib[index], x, 0, 0, 1);
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}
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else
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_mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib1f" );
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}
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void _mesa_noop_VertexAttrib1fvNV( GLuint index, const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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if (index < VERT_ATTRIB_MAX) {
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ASSIGN_4V(ctx->Current.Attrib[index], v[0], 0, 0, 1);
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}
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else
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_mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib1fv" );
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}
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void _mesa_noop_VertexAttrib2fNV( GLuint index, GLfloat x, GLfloat y )
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{
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GET_CURRENT_CONTEXT(ctx);
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if (index < VERT_ATTRIB_MAX) {
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ASSIGN_4V(ctx->Current.Attrib[index], x, y, 0, 1);
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}
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else
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_mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib2f" );
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}
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void _mesa_noop_VertexAttrib2fvNV( GLuint index, const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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if (index < VERT_ATTRIB_MAX) {
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ASSIGN_4V(ctx->Current.Attrib[index], v[0], v[1], 0, 1);
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}
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else
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_mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib2fv" );
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}
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void _mesa_noop_VertexAttrib3fNV( GLuint index, GLfloat x,
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GLfloat y, GLfloat z )
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{
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GET_CURRENT_CONTEXT(ctx);
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if (index < VERT_ATTRIB_MAX) {
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ASSIGN_4V(ctx->Current.Attrib[index], x, y, z, 1);
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}
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else
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_mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib3f" );
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}
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void _mesa_noop_VertexAttrib3fvNV( GLuint index, const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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if (index < VERT_ATTRIB_MAX) {
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ASSIGN_4V(ctx->Current.Attrib[index], v[0], v[1], v[2], 1);
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}
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else
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_mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib3fv" );
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}
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void _mesa_noop_VertexAttrib4fNV( GLuint index, GLfloat x,
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GLfloat y, GLfloat z, GLfloat w )
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{
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GET_CURRENT_CONTEXT(ctx);
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if (index < VERT_ATTRIB_MAX) {
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ASSIGN_4V(ctx->Current.Attrib[index], x, y, z, w);
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}
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else
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_mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib4f" );
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}
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void _mesa_noop_VertexAttrib4fvNV( GLuint index, const GLfloat *v )
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{
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GET_CURRENT_CONTEXT(ctx);
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if (index < VERT_ATTRIB_MAX) {
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ASSIGN_4V(ctx->Current.Attrib[index], v[0], v[1], v[2], v[3]);
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}
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else
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_mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib4fv" );
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}
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/* Material
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*/
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void _mesa_noop_Materialfv( GLenum face, GLenum pname, const GLfloat *params )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLint i, nr;
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struct gl_material *mat = &ctx->Light.Material;
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GLuint bitmask = _mesa_material_bitmask( ctx, face, pname, ~0,
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"_mesa_noop_Materialfv" );
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if (ctx->Light.ColorMaterialEnabled)
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bitmask &= ~ctx->Light.ColorMaterialBitmask;
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if (bitmask == 0)
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return;
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switch (face) {
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case GL_SHININESS: nr = 1; break;
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case GL_COLOR_INDEXES: nr = 3; break;
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default: nr = 4 ; break;
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}
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for (i = 0 ; i < MAT_ATTRIB_MAX ; i++)
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if (bitmask & (1<<i))
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COPY_SZ_4V( mat->Attrib[i], nr, params );
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_mesa_update_material( ctx, bitmask );
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}
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/* These really are noops outside begin/end:
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*/
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void _mesa_noop_Vertex2fv( const GLfloat *v )
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|
{
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|
(void) v;
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}
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void _mesa_noop_Vertex3fv( const GLfloat *v )
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|
{
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(void) v;
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}
|
|
|
|
void _mesa_noop_Vertex4fv( const GLfloat *v )
|
|
{
|
|
(void) v;
|
|
}
|
|
|
|
void _mesa_noop_Vertex2f( GLfloat a, GLfloat b )
|
|
{
|
|
(void) a; (void) b;
|
|
}
|
|
|
|
void _mesa_noop_Vertex3f( GLfloat a, GLfloat b, GLfloat c )
|
|
{
|
|
(void) a; (void) b; (void) c;
|
|
}
|
|
|
|
void _mesa_noop_Vertex4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d )
|
|
{
|
|
(void) a; (void) b; (void) c; (void) d;
|
|
}
|
|
|
|
/* Similarly, these have no effect outside begin/end:
|
|
*/
|
|
void _mesa_noop_EvalCoord1f( GLfloat a )
|
|
{
|
|
(void) a;
|
|
}
|
|
|
|
void _mesa_noop_EvalCoord1fv( const GLfloat *v )
|
|
{
|
|
(void) v;
|
|
}
|
|
|
|
void _mesa_noop_EvalCoord2f( GLfloat a, GLfloat b )
|
|
{
|
|
(void) a; (void) b;
|
|
}
|
|
|
|
void _mesa_noop_EvalCoord2fv( const GLfloat *v )
|
|
{
|
|
(void) v;
|
|
}
|
|
|
|
void _mesa_noop_EvalPoint1( GLint a )
|
|
{
|
|
(void) a;
|
|
}
|
|
|
|
void _mesa_noop_EvalPoint2( GLint a, GLint b )
|
|
{
|
|
(void) a; (void) b;
|
|
}
|
|
|
|
|
|
/* Begin -- call into driver, should result in the vtxfmt being
|
|
* swapped out:
|
|
*/
|
|
void _mesa_noop_Begin( GLenum mode )
|
|
{
|
|
}
|
|
|
|
|
|
/* End -- just raise an error
|
|
*/
|
|
void _mesa_noop_End( void )
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
_mesa_error( ctx, GL_INVALID_OPERATION, "glEnd" );
|
|
}
|
|
|
|
|
|
/* Execute a glRectf() function. This is not suitable for GL_COMPILE
|
|
* modes (as the test for outside begin/end is not compiled),
|
|
* but may be useful for drivers in circumstances which exclude
|
|
* display list interactions.
|
|
*
|
|
* (None of the functions in this file are suitable for GL_COMPILE
|
|
* modes).
|
|
*/
|
|
void _mesa_noop_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )
|
|
{
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
}
|
|
|
|
glBegin( GL_QUADS );
|
|
glVertex2f( x1, y1 );
|
|
glVertex2f( x2, y1 );
|
|
glVertex2f( x2, y2 );
|
|
glVertex2f( x1, y2 );
|
|
glEnd();
|
|
}
|
|
|
|
|
|
/* Some very basic support for arrays. Drivers without explicit array
|
|
* support can hook these in, but still need to supply an array-elt
|
|
* implementation.
|
|
*/
|
|
void _mesa_noop_DrawArrays(GLenum mode, GLint start, GLsizei count)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
GLint i;
|
|
|
|
if (!_mesa_validate_DrawArrays( ctx, mode, start, count ))
|
|
return;
|
|
|
|
glBegin(mode);
|
|
for (i = start ; i < count ; i++)
|
|
glArrayElement( i );
|
|
glEnd();
|
|
}
|
|
|
|
|
|
void _mesa_noop_DrawElements(GLenum mode, GLsizei count, GLenum type,
|
|
const GLvoid *indices)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
GLint i;
|
|
|
|
if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices ))
|
|
return;
|
|
|
|
glBegin(mode);
|
|
|
|
switch (type) {
|
|
case GL_UNSIGNED_BYTE:
|
|
for (i = 0 ; i < count ; i++)
|
|
glArrayElement( ((GLubyte *)indices)[i] );
|
|
break;
|
|
case GL_UNSIGNED_SHORT:
|
|
for (i = 0 ; i < count ; i++)
|
|
glArrayElement( ((GLushort *)indices)[i] );
|
|
break;
|
|
case GL_UNSIGNED_INT:
|
|
for (i = 0 ; i < count ; i++)
|
|
glArrayElement( ((GLuint *)indices)[i] );
|
|
break;
|
|
default:
|
|
_mesa_error( ctx, GL_INVALID_ENUM, "glDrawElements(type)" );
|
|
break;
|
|
}
|
|
|
|
glEnd();
|
|
}
|
|
|
|
void _mesa_noop_DrawRangeElements(GLenum mode,
|
|
GLuint start, GLuint end,
|
|
GLsizei count, GLenum type,
|
|
const GLvoid *indices)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
if (_mesa_validate_DrawRangeElements( ctx, mode,
|
|
start, end,
|
|
count, type, indices ))
|
|
glDrawElements( mode, count, type, indices );
|
|
}
|
|
|
|
/*
|
|
* Eval Mesh
|
|
*/
|
|
|
|
/* KW: If are compiling, we don't know whether eval will produce a
|
|
* vertex when it is run in the future. If this is pure immediate
|
|
* mode, eval is a noop if neither vertex map is enabled.
|
|
*
|
|
* Thus we need to have a check in the display list code or
|
|
* elsewhere for eval(1,2) vertices in the case where
|
|
* map(1,2)_vertex is disabled, and to purge those vertices from
|
|
* the vb.
|
|
*/
|
|
void _mesa_noop_EvalMesh1( GLenum mode, GLint i1, GLint i2 )
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
GLint i;
|
|
GLfloat u, du;
|
|
GLenum prim;
|
|
|
|
switch (mode) {
|
|
case GL_POINT:
|
|
prim = GL_POINTS;
|
|
break;
|
|
case GL_LINE:
|
|
prim = GL_LINE_STRIP;
|
|
break;
|
|
default:
|
|
_mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh1(mode)" );
|
|
return;
|
|
}
|
|
|
|
/* No effect if vertex maps disabled.
|
|
*/
|
|
if (!ctx->Eval.Map1Vertex4 &&
|
|
!ctx->Eval.Map1Vertex3 &&
|
|
!(ctx->VertexProgram.Enabled && ctx->Eval.Map1Attrib[VERT_ATTRIB_POS]))
|
|
return;
|
|
|
|
du = ctx->Eval.MapGrid1du;
|
|
u = ctx->Eval.MapGrid1u1 + i1 * du;
|
|
|
|
glBegin( prim );
|
|
for (i=i1;i<=i2;i++,u+=du) {
|
|
glEvalCoord1f( u );
|
|
}
|
|
glEnd();
|
|
}
|
|
|
|
|
|
|
|
void _mesa_noop_EvalMesh2( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 )
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
GLfloat u, du, v, dv, v1, u1;
|
|
GLint i, j;
|
|
|
|
switch (mode) {
|
|
case GL_POINT:
|
|
case GL_LINE:
|
|
case GL_FILL:
|
|
break;
|
|
default:
|
|
_mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" );
|
|
return;
|
|
}
|
|
|
|
/* No effect if vertex maps disabled.
|
|
*/
|
|
if (!ctx->Eval.Map2Vertex4 &&
|
|
!ctx->Eval.Map2Vertex3 &&
|
|
!(ctx->VertexProgram.Enabled && ctx->Eval.Map2Attrib[VERT_ATTRIB_POS]))
|
|
return;
|
|
|
|
du = ctx->Eval.MapGrid2du;
|
|
dv = ctx->Eval.MapGrid2dv;
|
|
v1 = ctx->Eval.MapGrid2v1 + j1 * dv;
|
|
u1 = ctx->Eval.MapGrid2u1 + i1 * du;
|
|
|
|
switch (mode) {
|
|
case GL_POINT:
|
|
glBegin( GL_POINTS );
|
|
for (v=v1,j=j1;j<=j2;j++,v+=dv) {
|
|
for (u=u1,i=i1;i<=i2;i++,u+=du) {
|
|
glEvalCoord2f(u, v );
|
|
}
|
|
}
|
|
glEnd();
|
|
break;
|
|
case GL_LINE:
|
|
for (v=v1,j=j1;j<=j2;j++,v+=dv) {
|
|
glBegin( GL_LINE_STRIP );
|
|
for (u=u1,i=i1;i<=i2;i++,u+=du) {
|
|
glEvalCoord2f(u, v );
|
|
}
|
|
glEnd();
|
|
}
|
|
for (u=u1,i=i1;i<=i2;i++,u+=du) {
|
|
glBegin( GL_LINE_STRIP );
|
|
for (v=v1,j=j1;j<=j2;j++,v+=dv) {
|
|
glEvalCoord2f(u, v );
|
|
}
|
|
glEnd();
|
|
}
|
|
break;
|
|
case GL_FILL:
|
|
for (v=v1,j=j1;j<j2;j++,v+=dv) {
|
|
glBegin( GL_TRIANGLE_STRIP );
|
|
for (u=u1,i=i1;i<=i2;i++,u+=du) {
|
|
glEvalCoord2f(u, v );
|
|
glEvalCoord2f(u, v+dv );
|
|
}
|
|
glEnd();
|
|
}
|
|
break;
|
|
default:
|
|
_mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" );
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* Build a vertexformat full of things to use outside begin/end pairs.
|
|
*
|
|
* TODO -- build a whole dispatch table for this purpose, and likewise
|
|
* for inside begin/end.
|
|
*/
|
|
void _mesa_noop_vtxfmt_init( GLvertexformat *vfmt )
|
|
{
|
|
vfmt->ArrayElement = _ae_loopback_array_elt; /* generic helper */
|
|
vfmt->Begin = _mesa_noop_Begin;
|
|
vfmt->CallList = _mesa_CallList;
|
|
vfmt->CallLists = _mesa_CallLists;
|
|
vfmt->Color3f = _mesa_noop_Color3f;
|
|
vfmt->Color3fv = _mesa_noop_Color3fv;
|
|
vfmt->Color4f = _mesa_noop_Color4f;
|
|
vfmt->Color4fv = _mesa_noop_Color4fv;
|
|
vfmt->EdgeFlag = _mesa_noop_EdgeFlag;
|
|
vfmt->EdgeFlagv = _mesa_noop_EdgeFlagv;
|
|
vfmt->End = _mesa_noop_End;
|
|
vfmt->EvalCoord1f = _mesa_noop_EvalCoord1f;
|
|
vfmt->EvalCoord1fv = _mesa_noop_EvalCoord1fv;
|
|
vfmt->EvalCoord2f = _mesa_noop_EvalCoord2f;
|
|
vfmt->EvalCoord2fv = _mesa_noop_EvalCoord2fv;
|
|
vfmt->EvalPoint1 = _mesa_noop_EvalPoint1;
|
|
vfmt->EvalPoint2 = _mesa_noop_EvalPoint2;
|
|
vfmt->FogCoordfEXT = _mesa_noop_FogCoordfEXT;
|
|
vfmt->FogCoordfvEXT = _mesa_noop_FogCoordfvEXT;
|
|
vfmt->Indexf = _mesa_noop_Indexf;
|
|
vfmt->Indexfv = _mesa_noop_Indexfv;
|
|
vfmt->Materialfv = _mesa_noop_Materialfv;
|
|
vfmt->MultiTexCoord1fARB = _mesa_noop_MultiTexCoord1fARB;
|
|
vfmt->MultiTexCoord1fvARB = _mesa_noop_MultiTexCoord1fvARB;
|
|
vfmt->MultiTexCoord2fARB = _mesa_noop_MultiTexCoord2fARB;
|
|
vfmt->MultiTexCoord2fvARB = _mesa_noop_MultiTexCoord2fvARB;
|
|
vfmt->MultiTexCoord3fARB = _mesa_noop_MultiTexCoord3fARB;
|
|
vfmt->MultiTexCoord3fvARB = _mesa_noop_MultiTexCoord3fvARB;
|
|
vfmt->MultiTexCoord4fARB = _mesa_noop_MultiTexCoord4fARB;
|
|
vfmt->MultiTexCoord4fvARB = _mesa_noop_MultiTexCoord4fvARB;
|
|
vfmt->Normal3f = _mesa_noop_Normal3f;
|
|
vfmt->Normal3fv = _mesa_noop_Normal3fv;
|
|
vfmt->SecondaryColor3fEXT = _mesa_noop_SecondaryColor3fEXT;
|
|
vfmt->SecondaryColor3fvEXT = _mesa_noop_SecondaryColor3fvEXT;
|
|
vfmt->TexCoord1f = _mesa_noop_TexCoord1f;
|
|
vfmt->TexCoord1fv = _mesa_noop_TexCoord1fv;
|
|
vfmt->TexCoord2f = _mesa_noop_TexCoord2f;
|
|
vfmt->TexCoord2fv = _mesa_noop_TexCoord2fv;
|
|
vfmt->TexCoord3f = _mesa_noop_TexCoord3f;
|
|
vfmt->TexCoord3fv = _mesa_noop_TexCoord3fv;
|
|
vfmt->TexCoord4f = _mesa_noop_TexCoord4f;
|
|
vfmt->TexCoord4fv = _mesa_noop_TexCoord4fv;
|
|
vfmt->Vertex2f = _mesa_noop_Vertex2f;
|
|
vfmt->Vertex2fv = _mesa_noop_Vertex2fv;
|
|
vfmt->Vertex3f = _mesa_noop_Vertex3f;
|
|
vfmt->Vertex3fv = _mesa_noop_Vertex3fv;
|
|
vfmt->Vertex4f = _mesa_noop_Vertex4f;
|
|
vfmt->Vertex4fv = _mesa_noop_Vertex4fv;
|
|
vfmt->VertexAttrib1fNV = _mesa_noop_VertexAttrib1fNV;
|
|
vfmt->VertexAttrib1fvNV = _mesa_noop_VertexAttrib1fvNV;
|
|
vfmt->VertexAttrib2fNV = _mesa_noop_VertexAttrib2fNV;
|
|
vfmt->VertexAttrib2fvNV = _mesa_noop_VertexAttrib2fvNV;
|
|
vfmt->VertexAttrib3fNV = _mesa_noop_VertexAttrib3fNV;
|
|
vfmt->VertexAttrib3fvNV = _mesa_noop_VertexAttrib3fvNV;
|
|
vfmt->VertexAttrib4fNV = _mesa_noop_VertexAttrib4fNV;
|
|
vfmt->VertexAttrib4fvNV = _mesa_noop_VertexAttrib4fvNV;
|
|
|
|
vfmt->Rectf = _mesa_noop_Rectf;
|
|
|
|
vfmt->DrawArrays = _mesa_noop_DrawArrays;
|
|
vfmt->DrawElements = _mesa_noop_DrawElements;
|
|
vfmt->DrawRangeElements = _mesa_noop_DrawRangeElements;
|
|
vfmt->EvalMesh1 = _mesa_noop_EvalMesh1;
|
|
vfmt->EvalMesh2 = _mesa_noop_EvalMesh2;
|
|
}
|