Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 1 | /* |
| 2 | Copyright (C) Intel Corp. 2006. All Rights Reserved. |
| 3 | Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to |
| 4 | develop this 3D driver. |
| 5 | |
| 6 | Permission is hereby granted, free of charge, to any person obtaining |
| 7 | a copy of this software and associated documentation files (the |
| 8 | "Software"), to deal in the Software without restriction, including |
| 9 | without limitation the rights to use, copy, modify, merge, publish, |
| 10 | distribute, sublicense, and/or sell copies of the Software, and to |
| 11 | permit persons to whom the Software is furnished to do so, subject to |
| 12 | the following conditions: |
| 13 | |
| 14 | The above copyright notice and this permission notice (including the |
| 15 | next paragraph) shall be included in all copies or substantial |
| 16 | portions of the Software. |
| 17 | |
| 18 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 19 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 21 | IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| 22 | LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 23 | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 24 | WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 25 | |
| 26 | **********************************************************************/ |
| 27 | /* |
| 28 | * Authors: |
| 29 | * Keith Whitwell <keith@tungstengraphics.com> |
| 30 | */ |
| 31 | |
Zou Nan hai | 7676980 | 2008-03-07 15:11:28 +0800 | [diff] [blame] | 32 | #include "main/texformat.h" |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 33 | #include "brw_context.h" |
| 34 | #include "brw_util.h" |
| 35 | #include "brw_wm.h" |
| 36 | #include "brw_state.h" |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 37 | |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 38 | |
| 39 | GLuint brw_wm_nr_args( GLuint opcode ) |
| 40 | { |
| 41 | switch (opcode) { |
| 42 | |
| 43 | case WM_PIXELXY: |
| 44 | case OPCODE_ABS: |
| 45 | case OPCODE_FLR: |
| 46 | case OPCODE_FRC: |
| 47 | case OPCODE_SWZ: |
| 48 | case OPCODE_MOV: |
| 49 | case OPCODE_COS: |
| 50 | case OPCODE_EX2: |
| 51 | case OPCODE_LG2: |
| 52 | case OPCODE_RCP: |
| 53 | case OPCODE_RSQ: |
| 54 | case OPCODE_SIN: |
| 55 | case OPCODE_SCS: |
| 56 | case OPCODE_TEX: |
| 57 | case OPCODE_TXB: |
| 58 | case OPCODE_TXP: |
| 59 | case OPCODE_KIL: |
| 60 | case OPCODE_LIT: |
| 61 | case WM_CINTERP: |
| 62 | case WM_WPOSXY: |
| 63 | return 1; |
| 64 | |
| 65 | case OPCODE_POW: |
| 66 | case OPCODE_SUB: |
| 67 | case OPCODE_SGE: |
Zou Nan hai | 35707db | 2007-04-12 09:43:00 +0800 | [diff] [blame] | 68 | case OPCODE_SGT: |
| 69 | case OPCODE_SLE: |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 70 | case OPCODE_SLT: |
Zou Nan hai | 35707db | 2007-04-12 09:43:00 +0800 | [diff] [blame] | 71 | case OPCODE_SEQ: |
| 72 | case OPCODE_SNE: |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 73 | case OPCODE_ADD: |
| 74 | case OPCODE_MAX: |
| 75 | case OPCODE_MIN: |
| 76 | case OPCODE_MUL: |
| 77 | case OPCODE_XPD: |
| 78 | case OPCODE_DP3: |
| 79 | case OPCODE_DP4: |
| 80 | case OPCODE_DPH: |
| 81 | case OPCODE_DST: |
| 82 | case WM_LINTERP: |
| 83 | case WM_DELTAXY: |
| 84 | case WM_PIXELW: |
| 85 | return 2; |
| 86 | |
| 87 | case WM_FB_WRITE: |
| 88 | case WM_PINTERP: |
| 89 | case OPCODE_MAD: |
| 90 | case OPCODE_CMP: |
| 91 | case OPCODE_LRP: |
| 92 | return 3; |
| 93 | |
| 94 | default: |
| 95 | return 0; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | |
| 100 | GLuint brw_wm_is_scalar_result( GLuint opcode ) |
| 101 | { |
| 102 | switch (opcode) { |
| 103 | case OPCODE_COS: |
| 104 | case OPCODE_EX2: |
| 105 | case OPCODE_LG2: |
| 106 | case OPCODE_POW: |
| 107 | case OPCODE_RCP: |
| 108 | case OPCODE_RSQ: |
| 109 | case OPCODE_SIN: |
| 110 | case OPCODE_DP3: |
| 111 | case OPCODE_DP4: |
| 112 | case OPCODE_DPH: |
| 113 | case OPCODE_DST: |
| 114 | return 1; |
| 115 | |
| 116 | default: |
| 117 | return 0; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 122 | static void do_wm_prog( struct brw_context *brw, |
| 123 | struct brw_fragment_program *fp, |
| 124 | struct brw_wm_prog_key *key) |
| 125 | { |
Eric Anholt | d7b24fe | 2006-12-09 22:35:07 -0800 | [diff] [blame] | 126 | struct brw_wm_compile *c; |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 127 | const GLuint *program; |
| 128 | GLuint program_size; |
| 129 | |
Eric Anholt | d7b24fe | 2006-12-09 22:35:07 -0800 | [diff] [blame] | 130 | c = brw->wm.compile_data; |
| 131 | if (c == NULL) { |
| 132 | brw->wm.compile_data = calloc(1, sizeof(*brw->wm.compile_data)); |
| 133 | c = brw->wm.compile_data; |
| 134 | } else { |
| 135 | memset(c, 0, sizeof(*brw->wm.compile_data)); |
| 136 | } |
| 137 | memcpy(&c->key, key, sizeof(*key)); |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 138 | |
Eric Anholt | d7b24fe | 2006-12-09 22:35:07 -0800 | [diff] [blame] | 139 | c->fp = fp; |
| 140 | c->env_param = brw->intel.ctx.FragmentProgram.Parameters; |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 141 | |
Zou Nan hai | fcb7cb9 | 2008-03-13 14:46:38 +0800 | [diff] [blame] | 142 | brw_init_compile(brw, &c->func); |
Zou Nan hai | d19d059 | 2007-06-21 10:22:28 +0800 | [diff] [blame] | 143 | if (brw_wm_is_glsl(&c->fp->program)) { |
Xiang, Haihao | 8e444fb | 2008-01-29 11:13:53 +0800 | [diff] [blame] | 144 | brw_wm_glsl_emit(brw, c); |
Eric Anholt | d7b24fe | 2006-12-09 22:35:07 -0800 | [diff] [blame] | 145 | } else { |
Zou Nan hai | d19d059 | 2007-06-21 10:22:28 +0800 | [diff] [blame] | 146 | /* Augment fragment program. Add instructions for pre- and |
| 147 | * post-fragment-program tasks such as interpolation and fogging. |
| 148 | */ |
| 149 | brw_wm_pass_fp(c); |
| 150 | |
| 151 | /* Translate to intermediate representation. Build register usage |
| 152 | * chains. |
| 153 | */ |
| 154 | brw_wm_pass0(c); |
| 155 | |
| 156 | /* Dead code removal. |
| 157 | */ |
| 158 | brw_wm_pass1(c); |
| 159 | |
Zou Nan hai | d19d059 | 2007-06-21 10:22:28 +0800 | [diff] [blame] | 160 | /* Register allocation. |
| 161 | */ |
| 162 | c->grf_limit = BRW_WM_MAX_GRF/2; |
| 163 | |
Zou Nan hai | d19d059 | 2007-06-21 10:22:28 +0800 | [diff] [blame] | 164 | brw_wm_pass2(c); |
| 165 | |
| 166 | c->prog_data.total_grf = c->max_wm_grf; |
| 167 | if (c->last_scratch) { |
| 168 | c->prog_data.total_scratch = |
| 169 | c->last_scratch + 0x40; |
| 170 | } else { |
| 171 | c->prog_data.total_scratch = 0; |
| 172 | } |
| 173 | |
| 174 | /* Emit GEN4 code. |
| 175 | */ |
| 176 | brw_wm_emit(c); |
Eric Anholt | d7b24fe | 2006-12-09 22:35:07 -0800 | [diff] [blame] | 177 | } |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 178 | /* get the program |
| 179 | */ |
Eric Anholt | d7b24fe | 2006-12-09 22:35:07 -0800 | [diff] [blame] | 180 | program = brw_get_program(&c->func, &program_size); |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 181 | |
Eric Anholt | 38bad76 | 2007-12-14 11:02:48 -0800 | [diff] [blame] | 182 | dri_bo_unreference(brw->wm.prog_bo); |
| 183 | brw->wm.prog_bo = brw_upload_cache( &brw->cache, BRW_WM_PROG, |
| 184 | &c->key, sizeof(c->key), |
| 185 | NULL, 0, |
| 186 | program, program_size, |
| 187 | &c->prog_data, |
| 188 | &brw->wm.prog_data ); |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | |
| 192 | |
| 193 | static void brw_wm_populate_key( struct brw_context *brw, |
| 194 | struct brw_wm_prog_key *key ) |
| 195 | { |
| 196 | /* BRW_NEW_FRAGMENT_PROGRAM */ |
| 197 | struct brw_fragment_program *fp = |
| 198 | (struct brw_fragment_program *)brw->fragment_program; |
| 199 | GLuint lookup = 0; |
| 200 | GLuint line_aa; |
| 201 | GLuint i; |
| 202 | |
| 203 | memset(key, 0, sizeof(*key)); |
| 204 | |
| 205 | /* Build the index for table lookup |
| 206 | */ |
| 207 | /* _NEW_COLOR */ |
| 208 | if (fp->program.UsesKill || |
| 209 | brw->attribs.Color->AlphaEnabled) |
| 210 | lookup |= IZ_PS_KILL_ALPHATEST_BIT; |
| 211 | |
| 212 | if (fp->program.Base.OutputsWritten & (1<<FRAG_RESULT_DEPR)) |
| 213 | lookup |= IZ_PS_COMPUTES_DEPTH_BIT; |
| 214 | |
| 215 | /* _NEW_DEPTH */ |
| 216 | if (brw->attribs.Depth->Test) |
| 217 | lookup |= IZ_DEPTH_TEST_ENABLE_BIT; |
| 218 | |
| 219 | if (brw->attribs.Depth->Test && |
| 220 | brw->attribs.Depth->Mask) /* ?? */ |
| 221 | lookup |= IZ_DEPTH_WRITE_ENABLE_BIT; |
| 222 | |
| 223 | /* _NEW_STENCIL */ |
| 224 | if (brw->attribs.Stencil->Enabled) { |
| 225 | lookup |= IZ_STENCIL_TEST_ENABLE_BIT; |
| 226 | |
| 227 | if (brw->attribs.Stencil->WriteMask[0] || |
Eric Anholt | 9136e1f | 2007-12-21 11:39:33 -0800 | [diff] [blame] | 228 | (brw->attribs.Stencil->_TestTwoSide && |
| 229 | brw->attribs.Stencil->WriteMask[1])) |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 230 | lookup |= IZ_STENCIL_WRITE_ENABLE_BIT; |
| 231 | } |
| 232 | |
| 233 | /* XXX: when should this be disabled? |
| 234 | */ |
| 235 | if (1) |
| 236 | lookup |= IZ_EARLY_DEPTH_TEST_BIT; |
| 237 | |
| 238 | |
| 239 | line_aa = AA_NEVER; |
| 240 | |
| 241 | /* _NEW_LINE, _NEW_POLYGON, BRW_NEW_REDUCED_PRIMITIVE */ |
| 242 | if (brw->attribs.Line->SmoothFlag) { |
| 243 | if (brw->intel.reduced_primitive == GL_LINES) { |
| 244 | line_aa = AA_ALWAYS; |
| 245 | } |
| 246 | else if (brw->intel.reduced_primitive == GL_TRIANGLES) { |
| 247 | if (brw->attribs.Polygon->FrontMode == GL_LINE) { |
| 248 | line_aa = AA_SOMETIMES; |
| 249 | |
| 250 | if (brw->attribs.Polygon->BackMode == GL_LINE || |
| 251 | (brw->attribs.Polygon->CullFlag && |
| 252 | brw->attribs.Polygon->CullFaceMode == GL_BACK)) |
| 253 | line_aa = AA_ALWAYS; |
| 254 | } |
| 255 | else if (brw->attribs.Polygon->BackMode == GL_LINE) { |
| 256 | line_aa = AA_SOMETIMES; |
| 257 | |
| 258 | if ((brw->attribs.Polygon->CullFlag && |
| 259 | brw->attribs.Polygon->CullFaceMode == GL_FRONT)) |
| 260 | line_aa = AA_ALWAYS; |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | brw_wm_lookup_iz(line_aa, |
| 266 | lookup, |
| 267 | key); |
| 268 | |
| 269 | |
| 270 | /* BRW_NEW_WM_INPUT_DIMENSIONS */ |
Xiang, Haihao | 88451b0 | 2007-08-13 17:16:27 +0800 | [diff] [blame] | 271 | key->projtex_mask = brw->wm.input_size_masks[4-1] >> (FRAG_ATTRIB_TEX0 - FRAG_ATTRIB_WPOS); |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 272 | |
| 273 | /* _NEW_LIGHT */ |
| 274 | key->flat_shade = (brw->attribs.Light->ShadeModel == GL_FLAT); |
| 275 | |
| 276 | /* _NEW_TEXTURE */ |
| 277 | for (i = 0; i < BRW_MAX_TEX_UNIT; i++) { |
| 278 | const struct gl_texture_unit *unit = &brw->attribs.Texture->Unit[i]; |
| 279 | const struct gl_texture_object *t = unit->_Current; |
| 280 | |
| 281 | if (unit->_ReallyEnabled) { |
Zou Nan hai | 7676980 | 2008-03-07 15:11:28 +0800 | [diff] [blame] | 282 | if (t->Image[0][t->BaseLevel]->InternalFormat == GL_YCBCR_MESA) { |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 283 | key->yuvtex_mask |= 1<<i; |
Zou Nan hai | 7676980 | 2008-03-07 15:11:28 +0800 | [diff] [blame] | 284 | if (t->Image[0][t->BaseLevel]->TexFormat->MesaFormat == |
| 285 | MESA_FORMAT_YCBCR) |
| 286 | key->yuvtex_swap_mask |= 1<< i; |
| 287 | } |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 288 | } |
| 289 | } |
Eric Anholt | 9c8f27b | 2008-02-28 13:18:12 -0800 | [diff] [blame] | 290 | |
Xiang, Haihao | b17b110 | 2008-08-20 15:54:41 +0800 | [diff] [blame^] | 291 | /* Shadow */ |
| 292 | key->shadowtex_mask = fp->program.Base.ShadowSamplers; |
| 293 | |
Eric Anholt | 9c8f27b | 2008-02-28 13:18:12 -0800 | [diff] [blame] | 294 | /* _NEW_BUFFERS */ |
| 295 | /* |
| 296 | * Include the draw buffer origin and height so that we can calculate |
| 297 | * fragment position values relative to the bottom left of the drawable, |
| 298 | * from the incoming screen origin relative position we get as part of our |
| 299 | * payload. |
| 300 | * |
| 301 | * We could avoid recompiling by including this as a constant referenced by |
| 302 | * our program, but if we were to do that it would also be nice to handle |
| 303 | * getting that constant updated at batchbuffer submit time (when we |
| 304 | * hold the lock and know where the buffer really is) rather than at emit |
| 305 | * time when we don't hold the lock and are just guessing. We could also |
| 306 | * just avoid using this as key data if the program doesn't use |
| 307 | * fragment.position. |
| 308 | * |
| 309 | * This pretty much becomes moot with DRI2 and redirected buffers anyway, |
| 310 | * as our origins will always be zero then. |
| 311 | */ |
| 312 | if (brw->intel.driDrawable != NULL) { |
| 313 | key->origin_x = brw->intel.driDrawable->x; |
| 314 | key->origin_y = brw->intel.driDrawable->y; |
| 315 | key->drawable_height = brw->intel.driDrawable->h; |
| 316 | } |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 317 | |
| 318 | /* Extra info: |
| 319 | */ |
| 320 | key->program_string_id = fp->id; |
| 321 | |
| 322 | } |
| 323 | |
| 324 | |
Eric Anholt | d279693 | 2008-08-08 13:58:48 -0700 | [diff] [blame] | 325 | static void brw_prepare_wm_prog(struct brw_context *brw) |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 326 | { |
| 327 | struct brw_wm_prog_key key; |
| 328 | struct brw_fragment_program *fp = (struct brw_fragment_program *) |
| 329 | brw->fragment_program; |
Eric Anholt | 125bd4c | 2007-12-05 16:57:27 -0800 | [diff] [blame] | 330 | |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 331 | brw_wm_populate_key(brw, &key); |
| 332 | |
| 333 | /* Make an early check for the key. |
| 334 | */ |
Eric Anholt | 38bad76 | 2007-12-14 11:02:48 -0800 | [diff] [blame] | 335 | dri_bo_unreference(brw->wm.prog_bo); |
| 336 | brw->wm.prog_bo = brw_search_cache(&brw->cache, BRW_WM_PROG, |
| 337 | &key, sizeof(key), |
| 338 | NULL, 0, |
| 339 | &brw->wm.prog_data); |
| 340 | if (brw->wm.prog_bo == NULL) |
| 341 | do_wm_prog(brw, fp, &key); |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | |
| 345 | /* See brw_wm.c: |
| 346 | */ |
| 347 | const struct brw_tracked_state brw_wm_prog = { |
| 348 | .dirty = { |
| 349 | .mesa = (_NEW_COLOR | |
| 350 | _NEW_DEPTH | |
| 351 | _NEW_STENCIL | |
| 352 | _NEW_POLYGON | |
| 353 | _NEW_LINE | |
| 354 | _NEW_LIGHT | |
Eric Anholt | 9c8f27b | 2008-02-28 13:18:12 -0800 | [diff] [blame] | 355 | _NEW_BUFFERS | |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 356 | _NEW_TEXTURE), |
| 357 | .brw = (BRW_NEW_FRAGMENT_PROGRAM | |
| 358 | BRW_NEW_WM_INPUT_DIMENSIONS | |
| 359 | BRW_NEW_REDUCED_PRIMITIVE), |
| 360 | .cache = 0 |
| 361 | }, |
Dave Airlie | 008653a | 2008-04-17 17:17:23 +1000 | [diff] [blame] | 362 | .prepare = brw_prepare_wm_prog |
Eric Anholt | 9f344b3 | 2006-08-09 19:14:05 +0000 | [diff] [blame] | 363 | }; |
| 364 | |