src/mesa/main/hint.c

   1 /* $Id: hint.c,v 1.1 2000/02/02 19:14:56 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.3
   6  *
   7  * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27
  28 #ifdef PC_HEADER
  29 #include "all.h"
  30 #else
  31 #include "glheader.h"
  32 #include "enums.h"
  33 #include "context.h"
  34 #include "hint.h"
  35 #include "state.h"
  36 #endif
  37
  38
  39
  40 void
  41 _mesa_Hint( GLenum target, GLenum mode )
  42 {
  43    GET_CURRENT_CONTEXT(ctx);
  44    (void) _mesa_try_Hint( ctx, target, mode );
  45 }
  46
  47
  48 GLboolean
  49 _mesa_try_Hint( GLcontext *ctx, GLenum target, GLenum mode )
  50 {
  51    ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, "glHint", GL_FALSE);
  52
  53    if (MESA_VERBOSE & VERBOSE_API)
  54       fprintf(stderr, "glHint %s %d\n", gl_lookup_enum_by_nr(target), mode);
  55
  56    switch (target) {
  57    case GL_FOG_HINT:
  58       ctx->Hint.Fog = mode;
  59       break;
  60    case GL_LINE_SMOOTH_HINT:
  61       ctx->Hint.LineSmooth = mode;
  62       break;
  63    case GL_PERSPECTIVE_CORRECTION_HINT:
  64       ctx->Hint.PerspectiveCorrection = mode;
  65       break;
  66    case GL_POINT_SMOOTH_HINT:
  67       ctx->Hint.PointSmooth = mode;
  68       break;
  69    case GL_POLYGON_SMOOTH_HINT:
  70       ctx->Hint.PolygonSmooth = mode;
  71       break;
  72    case GL_PREFER_DOUBLEBUFFER_HINT_PGI:
  73    case GL_STRICT_DEPTHFUNC_HINT_PGI:
  74       break;
  75    case GL_STRICT_LIGHTING_HINT_PGI:
  76       ctx->Hint.StrictLighting = mode;
  77       break;
  78    case GL_STRICT_SCISSOR_HINT_PGI:
  79    case GL_FULL_STIPPLE_HINT_PGI:
  80    case GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI:
  81    case GL_NATIVE_GRAPHICS_END_HINT_PGI:
  82    case GL_CONSERVE_MEMORY_HINT_PGI:
  83    case GL_RECLAIM_MEMORY_HINT_PGI:
  84       break;
  85    case GL_ALWAYS_FAST_HINT_PGI:
  86       if (mode) {
  87          ctx->Hint.AllowDrawWin = GL_TRUE;
  88          ctx->Hint.AllowDrawSpn = GL_FALSE;
  89          ctx->Hint.AllowDrawMem = GL_FALSE;
  90       } else {
  91          ctx->Hint.AllowDrawWin = GL_TRUE;
  92          ctx->Hint.AllowDrawSpn = GL_TRUE;
  93          ctx->Hint.AllowDrawMem = GL_TRUE;
  94       }
  95       break;
  96    case GL_ALWAYS_SOFT_HINT_PGI:
  97       ctx->Hint.AllowDrawWin = GL_TRUE;
  98       ctx->Hint.AllowDrawSpn = GL_TRUE;
  99       ctx->Hint.AllowDrawMem = GL_TRUE;
 100       break;
 101    case GL_ALLOW_DRAW_OBJ_HINT_PGI:
 102       break;
 103    case GL_ALLOW_DRAW_WIN_HINT_PGI:
 104       ctx->Hint.AllowDrawWin = mode;
 105       break;
 106    case GL_ALLOW_DRAW_SPN_HINT_PGI:
 107       ctx->Hint.AllowDrawSpn = mode;
 108       break;
 109    case GL_ALLOW_DRAW_MEM_HINT_PGI:
 110       ctx->Hint.AllowDrawMem = mode;
 111       break;
 112    case GL_CLIP_NEAR_HINT_PGI:
 113    case GL_CLIP_FAR_HINT_PGI:
 114    case GL_WIDE_LINE_HINT_PGI:
 115    case GL_BACK_NORMALS_HINT_PGI:
 116    case GL_NATIVE_GRAPHICS_HANDLE_PGI:
 117       break;
 118
 119       /* GL_EXT_clip_volume_hint */
 120    case GL_CLIP_VOLUME_CLIPPING_HINT_EXT:
 121       ctx->Hint.ClipVolumeClipping = mode;
 122       break;
 123
 124    default:
 125       gl_error( ctx, GL_INVALID_ENUM, "glHint(target)" );
 126       return GL_FALSE;
 127    }
 128    ctx->NewState |= NEW_ALL;   /* just to be safe */
 129
 130    if (ctx->Driver.Hint) {
 131       (*ctx->Driver.Hint)( ctx, target, mode );
 132    }
 133
 134    return GL_TRUE;
 135 }
 136
 137
 138 void
 139 _mesa_HintPGI( GLenum target, GLint mode )
 140 {
 141    GET_CURRENT_CONTEXT(ctx);
 142    ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glHintPGI");
 143
 144    if (MESA_VERBOSE & VERBOSE_API)
 145       fprintf(stderr, "glHintPGI %s %d\n", gl_lookup_enum_by_nr(target), mode);
 146
 147    switch (target) {
 148       case GL_PREFER_DOUBLEBUFFER_HINT_PGI:
 149       case GL_STRICT_DEPTHFUNC_HINT_PGI:
 150       case GL_STRICT_LIGHTING_HINT_PGI:
 151       case GL_STRICT_SCISSOR_HINT_PGI:
 152       case GL_FULL_STIPPLE_HINT_PGI:
 153       case GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI:
 154       case GL_NATIVE_GRAPHICS_END_HINT_PGI:
 155       case GL_CONSERVE_MEMORY_HINT_PGI:
 156       case GL_RECLAIM_MEMORY_HINT_PGI:
 157       case GL_ALWAYS_FAST_HINT_PGI:
 158       case GL_ALWAYS_SOFT_HINT_PGI:
 159       case GL_ALLOW_DRAW_OBJ_HINT_PGI:
 160       case GL_ALLOW_DRAW_WIN_HINT_PGI:
 161       case GL_ALLOW_DRAW_SPN_HINT_PGI:
 162       case GL_ALLOW_DRAW_MEM_HINT_PGI:
 163       case GL_CLIP_NEAR_HINT_PGI:
 164       case GL_CLIP_FAR_HINT_PGI:
 165       case GL_WIDE_LINE_HINT_PGI:
 166       case GL_BACK_NORMALS_HINT_PGI:
 167       case GL_NATIVE_GRAPHICS_HANDLE_PGI:
 168          (void) _mesa_try_Hint(ctx, target, (GLenum) mode);
 169          break;
 170       default:
 171          gl_error( ctx, GL_INVALID_ENUM, "glHintPGI(target)" );
 172          return;
 173    }
 174 }
 175
 176