ReactOS 0.4.15-dev-8131-g4988de4
colortab.c
Go to the documentation of this file.
1/* $Id: colortab.c,v 1.6 1997/10/16 02:26:18 brianp Exp $ */
2
3/*
4 * Mesa 3-D graphics library
5 * Version: 2.5
6 * Copyright (C) 1995-1997 Brian Paul
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the Free
20 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23
24/*
25 * $Log: colortab.c,v $
26 * Revision 1.6 1997/10/16 02:26:18 brianp
27 * call Driver.UpdateTexturePalette(ctx,NULL) when shared palette changed
28 *
29 * Revision 1.5 1997/10/16 01:59:08 brianp
30 * added GL_EXT_shared_texture_palette extension
31 *
32 * Revision 1.4 1997/10/15 23:37:05 brianp
33 * removed dirty flag stuff
34 *
35 * Revision 1.3 1997/10/13 23:50:03 brianp
36 * added call to Driver.UpdateTexturePalette
37 *
38 * Revision 1.2 1997/09/29 23:27:44 brianp
39 * updated for new device driver texture functions
40 *
41 * Revision 1.1 1997/09/27 00:12:46 brianp
42 * Initial revision
43 *
44 */
45
46
47#ifdef PC_HEADER
48#include "all.h"
49#else
50#include "colortab.h"
51#include "context.h"
52#include "macros.h"
53#endif
54
55
56
57/*
58 * Return GL_TRUE if k is a power of two, else return GL_FALSE.
59 */
61{
62 GLint i, m = 1;
63 for (i=0; i<32; i++) {
64 if (k == m)
65 return GL_TRUE;
66 m = m << 1;
67 }
68 return GL_FALSE;
69}
70
71
73{
74 switch (format) {
75 case GL_ALPHA:
76 case GL_ALPHA4:
77 case GL_ALPHA8:
78 case GL_ALPHA12:
79 case GL_ALPHA16:
80 return GL_ALPHA;
81 case 1:
82 case GL_LUMINANCE:
83 case GL_LUMINANCE4:
84 case GL_LUMINANCE8:
85 case GL_LUMINANCE12:
86 case GL_LUMINANCE16:
87 return GL_LUMINANCE;
88 case 2:
96 return GL_LUMINANCE_ALPHA;
97 case GL_INTENSITY:
98 case GL_INTENSITY4:
99 case GL_INTENSITY8:
100 case GL_INTENSITY12:
101 case GL_INTENSITY16:
102 return GL_INTENSITY;
103 case 3:
104 case GL_RGB:
105 case GL_R3_G3_B2:
106 case GL_RGB4:
107 case GL_RGB5:
108 case GL_RGB8:
109 case GL_RGB10:
110 case GL_RGB12:
111 case GL_RGB16:
112 return GL_RGB;
113 case 4:
114 case GL_RGBA:
115 case GL_RGBA2:
116 case GL_RGBA4:
117 case GL_RGB5_A1:
118 case GL_RGBA8:
119 case GL_RGB10_A2:
120 case GL_RGBA12:
121 case GL_RGBA16:
122 return GL_RGBA;
123 default:
124 return -1; /* error */
125 }
126}
127
128
131{
132 struct gl_texture_object *texObj;
134
135 if (INSIDE_BEGIN_END(ctx)) {
136 gl_error( ctx, GL_INVALID_OPERATION, "glGetBooleanv" );
137 return;
138 }
139
140 switch (target) {
141 case GL_TEXTURE_1D:
142 texObj = ctx->Texture.Current1D;
143 break;
144 case GL_TEXTURE_2D:
145 texObj = ctx->Texture.Current2D;
146 break;
148 texObj = ctx->Texture.Proxy1D;
149 proxy = GL_TRUE;
150 break;
152 texObj = ctx->Texture.Proxy2D;
153 proxy = GL_TRUE;
154 break;
155 default:
156 gl_error(ctx, GL_INVALID_ENUM, "glColorTableEXT(target)");
157 return;
158 }
159
160 /* internalformat = just like glTexImage */
161
162 if (table->Width < 1 || table->Width > MAX_TEXTURE_PALETTE_SIZE
163 || !power_of_two(table->Width)) {
164 gl_error(ctx, GL_INVALID_VALUE, "glColorTableEXT(width)");
165 if (proxy) {
166 texObj->PaletteSize = 0;
167 texObj->PaletteIntFormat = 0;
168 texObj->PaletteFormat = 0;
169 }
170 return;
171 }
172
173 /* per-texture object palette */
174 texObj->PaletteSize = table->Width;
177 if (!proxy) {
178 MEMCPY(texObj->Palette, table->Data, table->Width*table->Components);
179 if (ctx->Driver.UpdateTexturePalette) {
180 (*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
181 }
182 }
183}
184
185
186
188 GLsizei start, struct gl_image *data )
189{
190 /* XXX TODO */
191 gl_problem(ctx, "glColorSubTableEXT not implemented");
192}
193
194
195
198{
199 if (INSIDE_BEGIN_END(ctx)) {
200 gl_error( ctx, GL_INVALID_OPERATION, "glGetBooleanv" );
201 return;
202 }
203
204 switch (target) {
205 case GL_TEXTURE_1D:
206 break;
207 case GL_TEXTURE_2D:
208 break;
210 break;
211 default:
212 gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableEXT(target)");
213 return;
214 }
215
216 gl_problem(ctx, "glGetColorTableEXT not implemented!");
217}
218
219
220
223{
224 GLint iparams[10];
225
227 *params = (GLfloat) iparams[0];
228}
229
230
231
234{
235 struct gl_texture_object *texObj;
236
237 if (INSIDE_BEGIN_END(ctx)) {
238 gl_error( ctx, GL_INVALID_OPERATION, "glGetColorTableParameter" );
239 return;
240 }
241
242 switch (target) {
243 case GL_TEXTURE_1D:
244 texObj = ctx->Texture.Current1D;
245 break;
246 case GL_TEXTURE_2D:
247 texObj = ctx->Texture.Current2D;
248 break;
249 default:
250 gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
251 return;
252 }
253
254 switch (pname) {
256 if (texObj)
257 *params = texObj->PaletteIntFormat;
258 break;
260 if (texObj)
261 *params = texObj->PaletteSize;
262 break;
264 *params = 8;
265 break;
267 *params = 8;
268 break;
270 *params = 8;
271 break;
273 *params = 8;
274 break;
276 *params = 8;
277 break;
279 *params = 8;
280 break;
281 default:
282 gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter" );
283 return;
284 }
285}
286
287
void gl_GetColorTableParameteriv(GLcontext *ctx, GLenum target, GLenum pname, GLint *params)
Definition: colortab.c:232
void gl_GetColorTableParameterfv(GLcontext *ctx, GLenum target, GLenum pname, GLfloat *params)
Definition: colortab.c:221
void gl_ColorTable(GLcontext *ctx, GLenum target, GLenum internalFormat, struct gl_image *table)
Definition: colortab.c:129
static GLboolean power_of_two(GLint k)
Definition: colortab.c:60
void gl_GetColorTable(GLcontext *ctx, GLenum target, GLenum format, GLenum type, GLvoid *table)
Definition: colortab.c:196
static GLint decode_internal_format(GLint format)
Definition: colortab.c:72
void gl_ColorSubTable(GLcontext *ctx, GLenum target, GLsizei start, struct gl_image *data)
Definition: colortab.c:187
#define GL_COLOR_TABLE_INTENSITY_SIZE_EXT
Definition: colortab.h:45
#define GL_COLOR_TABLE_LUMINANCE_SIZE_EXT
Definition: colortab.h:44
#define GL_COLOR_TABLE_GREEN_SIZE_EXT
Definition: colortab.h:41
#define GL_COLOR_TABLE_BLUE_SIZE_EXT
Definition: colortab.h:42
#define GL_COLOR_TABLE_ALPHA_SIZE_EXT
Definition: colortab.h:43
#define GL_COLOR_TABLE_WIDTH_EXT
Definition: colortab.h:39
#define GL_COLOR_TABLE_FORMAT_EXT
Definition: colortab.h:38
#define GL_COLOR_TABLE_RED_SIZE_EXT
Definition: colortab.h:40
#define MAX_TEXTURE_PALETTE_SIZE
Definition: config.h:122
void gl_problem(const GLcontext *ctx, const char *s)
Definition: context.c:1394
void gl_error(GLcontext *ctx, GLenum error, const char *s)
Definition: context.c:1421
int proxy
Definition: main.c:67
#define GL_RGBA12
Definition: gl.h:764
#define GL_TRUE
Definition: gl.h:174
#define GL_INVALID_VALUE
Definition: gl.h:695
GLuint start
Definition: gl.h:1545
#define GL_R3_G3_B2
Definition: gl.h:752
#define GL_RGB10
Definition: gl.h:756
#define GL_ALPHA8
Definition: gl.h:734
float GLfloat
Definition: gl.h:161
#define GL_RGBA8
Definition: gl.h:762
#define GL_INTENSITY8
Definition: gl.h:749
#define GL_ALPHA12
Definition: gl.h:735
#define GL_ALPHA4
Definition: gl.h:733
#define GL_RGB16
Definition: gl.h:758
#define GL_LUMINANCE8
Definition: gl.h:738
#define GL_LUMINANCE_ALPHA
Definition: gl.h:485
#define GL_PROXY_TEXTURE_2D
Definition: gl.h:727
#define GL_RGB5
Definition: gl.h:754
#define GL_INTENSITY
Definition: gl.h:747
#define GL_LUMINANCE4_ALPHA4
Definition: gl.h:741
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
#define GL_INVALID_OPERATION
Definition: gl.h:696
#define GL_RGB5_A1
Definition: gl.h:761
#define GL_RGBA2
Definition: gl.h:759
unsigned int GLenum
Definition: gl.h:150
#define GL_RGB8
Definition: gl.h:755
#define GL_LUMINANCE
Definition: gl.h:484
#define GL_LUMINANCE12_ALPHA4
Definition: gl.h:744
#define GL_RGB4
Definition: gl.h:753
#define GL_RGB
Definition: gl.h:502
#define GL_LUMINANCE12_ALPHA12
Definition: gl.h:745
#define GL_INTENSITY16
Definition: gl.h:751
#define GL_LUMINANCE16_ALPHA16
Definition: gl.h:746
#define GL_RGB10_A2
Definition: gl.h:763
#define GL_LUMINANCE12
Definition: gl.h:739
#define GL_RGBA
Definition: gl.h:503
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
#define GL_LUMINANCE8_ALPHA8
Definition: gl.h:743
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: gl.h:1546
#define GL_LUMINANCE4
Definition: gl.h:737
#define GL_INTENSITY12
Definition: gl.h:750
#define GL_FALSE
Definition: gl.h:173
#define GL_RGB12
Definition: gl.h:757
#define GL_LUMINANCE6_ALPHA2
Definition: gl.h:742
int GLsizei
Definition: gl.h:160
int GLint
Definition: gl.h:156
#define GL_ALPHA
Definition: gl.h:483
#define GL_LUMINANCE16
Definition: gl.h:740
#define GL_TEXTURE_2D
Definition: gl.h:645
#define GL_RGBA16
Definition: gl.h:765
#define GL_TEXTURE_1D
Definition: gl.h:644
#define GL_PROXY_TEXTURE_1D
Definition: gl.h:726
#define GL_ALPHA16
Definition: gl.h:736
unsigned char GLboolean
Definition: gl.h:151
#define GL_INVALID_ENUM
Definition: gl.h:694
#define GL_INTENSITY4
Definition: gl.h:748
#define GL_RGBA4
Definition: gl.h:760
#define GL_TEXTURE_3D_EXT
Definition: glext.h:2471
GLenum pname
Definition: glext.h:5645
GLenum const GLfloat * params
Definition: glext.h:5645
GLenum internalFormat
Definition: glext.h:8404
const GLfloat * m
Definition: glext.h:10848
GLenum target
Definition: glext.h:7315
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define MEMCPY(DST, SRC, BYTES)
Definition: macros.h:231
#define INSIDE_BEGIN_END(CTX)
Definition: macros.h:135
int k
Definition: mpi.c:3369
GLuint PaletteSize
Definition: types.h:1104
GLenum PaletteIntFormat
Definition: types.h:1105
GLubyte Palette[MAX_TEXTURE_PALETTE_SIZE *4]
Definition: types.h:1103
GLenum PaletteFormat
Definition: types.h:1106