Keith Whitwell | dc45ee7 | 2004-10-13 23:16:02 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2000-2001 VA Linux Systems, Inc. |
| 3 | * (C) Copyright IBM Corporation 2002, 2003 |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * on the rights to use, copy, modify, merge, publish, distribute, sub |
| 10 | * license, and/or sell copies of the Software, and to permit persons to whom |
| 11 | * the Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice (including the next |
| 14 | * paragraph) shall be included in all copies or substantial portions of the |
| 15 | * Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| 20 | * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| 21 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| 22 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| 23 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 24 | * |
| 25 | * Authors: |
| 26 | * Keith Whitwell <keithw@tungstengraphics.com> |
| 27 | * Gareth Hughes <gareth@nvidia.com> |
| 28 | */ |
| 29 | |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 30 | #ifndef DBG |
| 31 | #define DBG 0 |
| 32 | #endif |
| 33 | |
| 34 | #ifndef HW_WRITE_LOCK |
| 35 | #define HW_WRITE_LOCK() HW_LOCK() |
| 36 | #endif |
| 37 | |
| 38 | #ifndef HW_WRITE_UNLOCK |
| 39 | #define HW_WRITE_UNLOCK() HW_UNLOCK() |
| 40 | #endif |
| 41 | |
| 42 | #ifndef HW_READ_LOCK |
| 43 | #define HW_READ_LOCK() HW_LOCK() |
| 44 | #endif |
| 45 | |
| 46 | #ifndef HW_READ_UNLOCK |
| 47 | #define HW_READ_UNLOCK() HW_UNLOCK() |
| 48 | #endif |
| 49 | |
| 50 | #ifndef HW_READ_CLIPLOOP |
| 51 | #define HW_READ_CLIPLOOP() HW_CLIPLOOP() |
| 52 | #endif |
| 53 | |
| 54 | #ifndef HW_WRITE_CLIPLOOP |
| 55 | #define HW_WRITE_CLIPLOOP() HW_CLIPLOOP() |
| 56 | #endif |
| 57 | |
| 58 | |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 59 | static void TAG(WriteRGBASpan)( GLcontext *ctx, |
| 60 | struct gl_renderbuffer *rb, |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 61 | GLuint n, GLint x, GLint y, |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 62 | const void *values, const GLubyte mask[] ) |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 63 | { |
| 64 | HW_WRITE_LOCK() |
| 65 | { |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 66 | const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 67 | GLint x1; |
| 68 | GLint n1; |
| 69 | LOCAL_VARS; |
| 70 | |
| 71 | y = Y_FLIP(y); |
| 72 | |
| 73 | HW_WRITE_CLIPLOOP() |
| 74 | { |
| 75 | GLint i = 0; |
| 76 | CLIPSPAN(x,y,n,x1,n1,i); |
| 77 | |
| 78 | if (DBG) fprintf(stderr, "WriteRGBASpan %d..%d (x1 %d)\n", |
| 79 | (int)i, (int)n1, (int)x1); |
| 80 | |
| 81 | if (mask) |
| 82 | { |
| 83 | for (;n1>0;i++,x1++,n1--) |
| 84 | if (mask[i]) |
| 85 | WRITE_RGBA( x1, y, |
| 86 | rgba[i][0], rgba[i][1], |
| 87 | rgba[i][2], rgba[i][3] ); |
| 88 | } |
| 89 | else |
| 90 | { |
| 91 | for (;n1>0;i++,x1++,n1--) |
| 92 | WRITE_RGBA( x1, y, |
| 93 | rgba[i][0], rgba[i][1], |
| 94 | rgba[i][2], rgba[i][3] ); |
| 95 | } |
| 96 | } |
| 97 | HW_ENDCLIPLOOP(); |
| 98 | } |
| 99 | HW_WRITE_UNLOCK(); |
| 100 | } |
| 101 | |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 102 | static void TAG(WriteRGBSpan)( GLcontext *ctx, |
| 103 | struct gl_renderbuffer *rb, |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 104 | GLuint n, GLint x, GLint y, |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 105 | const void *values, const GLubyte mask[] ) |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 106 | { |
| 107 | HW_WRITE_LOCK() |
| 108 | { |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 109 | const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 110 | GLint x1; |
| 111 | GLint n1; |
| 112 | LOCAL_VARS; |
| 113 | |
| 114 | y = Y_FLIP(y); |
| 115 | |
| 116 | HW_WRITE_CLIPLOOP() |
| 117 | { |
| 118 | GLint i = 0; |
| 119 | CLIPSPAN(x,y,n,x1,n1,i); |
| 120 | |
| 121 | if (DBG) fprintf(stderr, "WriteRGBSpan %d..%d (x1 %d)\n", |
| 122 | (int)i, (int)n1, (int)x1); |
| 123 | |
| 124 | if (mask) |
| 125 | { |
| 126 | for (;n1>0;i++,x1++,n1--) |
| 127 | if (mask[i]) |
| 128 | WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 ); |
| 129 | } |
| 130 | else |
| 131 | { |
| 132 | for (;n1>0;i++,x1++,n1--) |
| 133 | WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 ); |
| 134 | } |
| 135 | } |
| 136 | HW_ENDCLIPLOOP(); |
| 137 | } |
| 138 | HW_WRITE_UNLOCK(); |
| 139 | } |
| 140 | |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 141 | static void TAG(WriteRGBAPixels)( GLcontext *ctx, |
| 142 | struct gl_renderbuffer *rb, |
| 143 | GLuint n, const GLint x[], const GLint y[], |
| 144 | const void *values, const GLubyte mask[] ) |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 145 | { |
| 146 | HW_WRITE_LOCK() |
| 147 | { |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 148 | const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; |
Dave Airlie | 8d12a6d | 2005-02-14 09:27:38 +0000 | [diff] [blame] | 149 | GLuint i; |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 150 | LOCAL_VARS; |
| 151 | |
| 152 | if (DBG) fprintf(stderr, "WriteRGBAPixels\n"); |
| 153 | |
| 154 | HW_WRITE_CLIPLOOP() |
| 155 | { |
Brian Paul | 328a039 | 2004-09-24 14:30:13 +0000 | [diff] [blame] | 156 | if (mask) |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 157 | { |
Brian Paul | 328a039 | 2004-09-24 14:30:13 +0000 | [diff] [blame] | 158 | for (i=0;i<n;i++) |
| 159 | { |
| 160 | if (mask[i]) { |
| 161 | const int fy = Y_FLIP(y[i]); |
| 162 | if (CLIPPIXEL(x[i],fy)) |
| 163 | WRITE_RGBA( x[i], fy, |
| 164 | rgba[i][0], rgba[i][1], |
| 165 | rgba[i][2], rgba[i][3] ); |
| 166 | } |
| 167 | } |
| 168 | } |
| 169 | else |
| 170 | { |
| 171 | for (i=0;i<n;i++) |
| 172 | { |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 173 | const int fy = Y_FLIP(y[i]); |
| 174 | if (CLIPPIXEL(x[i],fy)) |
| 175 | WRITE_RGBA( x[i], fy, |
| 176 | rgba[i][0], rgba[i][1], |
| 177 | rgba[i][2], rgba[i][3] ); |
Brian Paul | 328a039 | 2004-09-24 14:30:13 +0000 | [diff] [blame] | 178 | } |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 179 | } |
| 180 | } |
| 181 | HW_ENDCLIPLOOP(); |
| 182 | } |
| 183 | HW_WRITE_UNLOCK(); |
| 184 | } |
| 185 | |
| 186 | |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 187 | static void TAG(WriteMonoRGBASpan)( GLcontext *ctx, |
| 188 | struct gl_renderbuffer *rb, |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 189 | GLuint n, GLint x, GLint y, |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 190 | const void *value, |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 191 | const GLubyte mask[] ) |
| 192 | { |
| 193 | HW_WRITE_LOCK() |
| 194 | { |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 195 | const GLubyte *color = (const GLubyte *) value; |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 196 | GLint x1; |
| 197 | GLint n1; |
| 198 | LOCAL_VARS; |
| 199 | INIT_MONO_PIXEL(p, color); |
| 200 | |
| 201 | y = Y_FLIP( y ); |
| 202 | |
| 203 | if (DBG) fprintf(stderr, "WriteMonoRGBASpan\n"); |
| 204 | |
| 205 | HW_WRITE_CLIPLOOP() |
| 206 | { |
| 207 | GLint i = 0; |
| 208 | CLIPSPAN(x,y,n,x1,n1,i); |
Brian Paul | 328a039 | 2004-09-24 14:30:13 +0000 | [diff] [blame] | 209 | if (mask) |
| 210 | { |
| 211 | for (;n1>0;i++,x1++,n1--) |
| 212 | if (mask[i]) |
| 213 | WRITE_PIXEL( x1, y, p ); |
| 214 | } |
| 215 | else |
| 216 | { |
| 217 | for (;n1>0;i++,x1++,n1--) |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 218 | WRITE_PIXEL( x1, y, p ); |
Brian Paul | 328a039 | 2004-09-24 14:30:13 +0000 | [diff] [blame] | 219 | } |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 220 | } |
| 221 | HW_ENDCLIPLOOP(); |
| 222 | } |
| 223 | HW_WRITE_UNLOCK(); |
| 224 | } |
| 225 | |
| 226 | |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 227 | static void TAG(WriteMonoRGBAPixels)( GLcontext *ctx, |
| 228 | struct gl_renderbuffer *rb, |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 229 | GLuint n, |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 230 | const GLint x[], const GLint y[], |
| 231 | const void *value, |
| 232 | const GLubyte mask[] ) |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 233 | { |
| 234 | HW_WRITE_LOCK() |
| 235 | { |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 236 | const GLubyte *color = (const GLubyte *) value; |
Dave Airlie | 8d12a6d | 2005-02-14 09:27:38 +0000 | [diff] [blame] | 237 | GLuint i; |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 238 | LOCAL_VARS; |
| 239 | INIT_MONO_PIXEL(p, color); |
| 240 | |
| 241 | if (DBG) fprintf(stderr, "WriteMonoRGBAPixels\n"); |
| 242 | |
| 243 | HW_WRITE_CLIPLOOP() |
| 244 | { |
Brian Paul | 328a039 | 2004-09-24 14:30:13 +0000 | [diff] [blame] | 245 | if (mask) |
| 246 | { |
| 247 | for (i=0;i<n;i++) |
| 248 | if (mask[i]) { |
| 249 | int fy = Y_FLIP(y[i]); |
| 250 | if (CLIPPIXEL( x[i], fy )) |
| 251 | WRITE_PIXEL( x[i], fy, p ); |
| 252 | } |
| 253 | } |
| 254 | else |
| 255 | { |
| 256 | for (i=0;i<n;i++) { |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 257 | int fy = Y_FLIP(y[i]); |
| 258 | if (CLIPPIXEL( x[i], fy )) |
| 259 | WRITE_PIXEL( x[i], fy, p ); |
| 260 | } |
Brian Paul | 328a039 | 2004-09-24 14:30:13 +0000 | [diff] [blame] | 261 | } |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 262 | } |
| 263 | HW_ENDCLIPLOOP(); |
| 264 | } |
| 265 | HW_WRITE_UNLOCK(); |
| 266 | } |
| 267 | |
| 268 | |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 269 | static void TAG(ReadRGBASpan)( GLcontext *ctx, |
| 270 | struct gl_renderbuffer *rb, |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 271 | GLuint n, GLint x, GLint y, |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 272 | void *values) |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 273 | { |
| 274 | HW_READ_LOCK() |
| 275 | { |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 276 | GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 277 | GLint x1,n1; |
| 278 | LOCAL_VARS; |
| 279 | |
| 280 | y = Y_FLIP(y); |
| 281 | |
| 282 | if (DBG) fprintf(stderr, "ReadRGBASpan\n"); |
| 283 | |
| 284 | HW_READ_CLIPLOOP() |
| 285 | { |
| 286 | GLint i = 0; |
| 287 | CLIPSPAN(x,y,n,x1,n1,i); |
| 288 | for (;n1>0;i++,x1++,n1--) |
| 289 | READ_RGBA( rgba[i], x1, y ); |
| 290 | } |
| 291 | HW_ENDCLIPLOOP(); |
| 292 | } |
| 293 | HW_READ_UNLOCK(); |
| 294 | } |
| 295 | |
| 296 | |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 297 | static void TAG(ReadRGBAPixels)( GLcontext *ctx, |
| 298 | struct gl_renderbuffer *rb, |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 299 | GLuint n, const GLint x[], const GLint y[], |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 300 | void *values ) |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 301 | { |
| 302 | HW_READ_LOCK() |
| 303 | { |
Brian Paul | e4b2356 | 2005-05-04 20:11:35 +0000 | [diff] [blame^] | 304 | GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; |
| 305 | const GLubyte *mask = NULL; /* remove someday */ |
Dave Airlie | 8d12a6d | 2005-02-14 09:27:38 +0000 | [diff] [blame] | 306 | GLuint i; |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 307 | LOCAL_VARS; |
| 308 | |
| 309 | if (DBG) fprintf(stderr, "ReadRGBAPixels\n"); |
| 310 | |
| 311 | HW_READ_CLIPLOOP() |
| 312 | { |
Brian Paul | 328a039 | 2004-09-24 14:30:13 +0000 | [diff] [blame] | 313 | if (mask) |
| 314 | { |
| 315 | for (i=0;i<n;i++) |
| 316 | if (mask[i]) { |
| 317 | int fy = Y_FLIP( y[i] ); |
| 318 | if (CLIPPIXEL( x[i], fy )) |
| 319 | READ_RGBA( rgba[i], x[i], fy ); |
| 320 | } |
| 321 | } |
| 322 | else |
| 323 | { |
| 324 | for (i=0;i<n;i++) { |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 325 | int fy = Y_FLIP( y[i] ); |
| 326 | if (CLIPPIXEL( x[i], fy )) |
| 327 | READ_RGBA( rgba[i], x[i], fy ); |
| 328 | } |
Brian Paul | 328a039 | 2004-09-24 14:30:13 +0000 | [diff] [blame] | 329 | } |
Keith Whitwell | 93a4588 | 2003-08-06 18:12:22 +0000 | [diff] [blame] | 330 | } |
| 331 | HW_ENDCLIPLOOP(); |
| 332 | } |
| 333 | HW_READ_UNLOCK(); |
| 334 | } |
| 335 | |
| 336 | |
| 337 | |
| 338 | |
| 339 | #undef WRITE_PIXEL |
| 340 | #undef WRITE_RGBA |
| 341 | #undef READ_RGBA |
| 342 | #undef TAG |