source: trunk/src/opengl/mesa/hint.c

Last change on this file was 3598, checked in by jeroen, 25 years ago

* empty log message *
File size: 5.6 KB
RevLine 
[3598]1/* $Id: hint.c,v 1.1 2000-05-23 20:40:37 jeroen 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
40void
41_mesa_Hint( GLenum target, GLenum mode )
42{
43 GET_CURRENT_CONTEXT(ctx);
44 (void) _mesa_try_Hint( ctx, target, mode );
45}
46
47
48GLboolean
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 if (mode != GL_NICEST && mode != GL_FASTEST && mode != GL_DONT_CARE) {
57 gl_error(ctx, GL_INVALID_ENUM, "glHint(mode)");
58 return GL_FALSE;
59 }
60
61 switch (target) {
62 case GL_FOG_HINT:
63 ctx->Hint.Fog = mode;
64 break;
65 case GL_LINE_SMOOTH_HINT:
66 ctx->Hint.LineSmooth = mode;
67 break;
68 case GL_PERSPECTIVE_CORRECTION_HINT:
69 ctx->Hint.PerspectiveCorrection = mode;
70 break;
71 case GL_POINT_SMOOTH_HINT:
72 ctx->Hint.PointSmooth = mode;
73 break;
74 case GL_POLYGON_SMOOTH_HINT:
75 ctx->Hint.PolygonSmooth = mode;
76 break;
77 case GL_PREFER_DOUBLEBUFFER_HINT_PGI:
78 case GL_STRICT_DEPTHFUNC_HINT_PGI:
79 break;
80 case GL_STRICT_LIGHTING_HINT_PGI:
81 ctx->Hint.StrictLighting = mode;
82 break;
83 case GL_STRICT_SCISSOR_HINT_PGI:
84 case GL_FULL_STIPPLE_HINT_PGI:
85 case GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI:
86 case GL_NATIVE_GRAPHICS_END_HINT_PGI:
87 case GL_CONSERVE_MEMORY_HINT_PGI:
88 case GL_RECLAIM_MEMORY_HINT_PGI:
89 break;
90 case GL_ALWAYS_FAST_HINT_PGI:
91 if (mode) {
92 ctx->Hint.AllowDrawWin = GL_TRUE;
93 ctx->Hint.AllowDrawSpn = GL_FALSE;
94 ctx->Hint.AllowDrawMem = GL_FALSE;
95 } else {
96 ctx->Hint.AllowDrawWin = GL_TRUE;
97 ctx->Hint.AllowDrawSpn = GL_TRUE;
98 ctx->Hint.AllowDrawMem = GL_TRUE;
99 }
100 break;
101 case GL_ALWAYS_SOFT_HINT_PGI:
102 ctx->Hint.AllowDrawWin = GL_TRUE;
103 ctx->Hint.AllowDrawSpn = GL_TRUE;
104 ctx->Hint.AllowDrawMem = GL_TRUE;
105 break;
106 case GL_ALLOW_DRAW_OBJ_HINT_PGI:
107 break;
108 case GL_ALLOW_DRAW_WIN_HINT_PGI:
109 ctx->Hint.AllowDrawWin = mode;
110 break;
111 case GL_ALLOW_DRAW_SPN_HINT_PGI:
112 ctx->Hint.AllowDrawSpn = mode;
113 break;
114 case GL_ALLOW_DRAW_MEM_HINT_PGI:
115 ctx->Hint.AllowDrawMem = mode;
116 break;
117 case GL_CLIP_NEAR_HINT_PGI:
118 case GL_CLIP_FAR_HINT_PGI:
119 case GL_WIDE_LINE_HINT_PGI:
120 case GL_BACK_NORMALS_HINT_PGI:
121 case GL_NATIVE_GRAPHICS_HANDLE_PGI:
122 break;
123
124 /* GL_EXT_clip_volume_hint */
125 case GL_CLIP_VOLUME_CLIPPING_HINT_EXT:
126 ctx->Hint.ClipVolumeClipping = mode;
127 break;
128
129 default:
130 gl_error( ctx, GL_INVALID_ENUM, "glHint(target)" );
131 return GL_FALSE;
132 }
133
134 ctx->NewState |= NEW_ALL; /* just to be safe */
135
136 if (ctx->Driver.Hint) {
137 (*ctx->Driver.Hint)( ctx, target, mode );
138 }
139
140 return GL_TRUE;
141}
142
143
144void
145_mesa_HintPGI( GLenum target, GLint mode )
146{
147 GET_CURRENT_CONTEXT(ctx);
148 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glHintPGI");
149
150 if (MESA_VERBOSE & VERBOSE_API)
151 fprintf(stderr, "glHintPGI %s %d\n", gl_lookup_enum_by_nr(target), mode);
152
153 if (mode != GL_NICEST && mode != GL_FASTEST && mode != GL_DONT_CARE) {
154 gl_error(ctx, GL_INVALID_ENUM, "glHintPGI(mode)");
155 return;
156 }
157
158 switch (target) {
159 case GL_PREFER_DOUBLEBUFFER_HINT_PGI:
160 case GL_STRICT_DEPTHFUNC_HINT_PGI:
161 case GL_STRICT_LIGHTING_HINT_PGI:
162 case GL_STRICT_SCISSOR_HINT_PGI:
163 case GL_FULL_STIPPLE_HINT_PGI:
164 case GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI:
165 case GL_NATIVE_GRAPHICS_END_HINT_PGI:
166 case GL_CONSERVE_MEMORY_HINT_PGI:
167 case GL_RECLAIM_MEMORY_HINT_PGI:
168 case GL_ALWAYS_FAST_HINT_PGI:
169 case GL_ALWAYS_SOFT_HINT_PGI:
170 case GL_ALLOW_DRAW_OBJ_HINT_PGI:
171 case GL_ALLOW_DRAW_WIN_HINT_PGI:
172 case GL_ALLOW_DRAW_SPN_HINT_PGI:
173 case GL_ALLOW_DRAW_MEM_HINT_PGI:
174 case GL_CLIP_NEAR_HINT_PGI:
175 case GL_CLIP_FAR_HINT_PGI:
176 case GL_WIDE_LINE_HINT_PGI:
177 case GL_BACK_NORMALS_HINT_PGI:
178 case GL_NATIVE_GRAPHICS_HANDLE_PGI:
179 (void) _mesa_try_Hint(ctx, target, (GLenum) mode);
180 break;
181 default:
182 gl_error( ctx, GL_INVALID_ENUM, "glHintPGI(target)" );
183 return;
184 }
185}
186
187
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