1 /************************************************************************** 2 * 3 * Copyright 2004 David Airlie 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 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, 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 portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL DAVID AIRLIE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #include "main/glheader.h" 29 #include "main/atifragshader.h" 30 #include "main/macros.h" 31 #include "main/enums.h" 32 #include "tnl/t_context.h" 33 #include "program/program.h" 34 #include "r200_context.h" 35 #include "r200_ioctl.h" 36 #include "r200_tex.h" 37 38 #define SET_INST(inst, type) afs_cmd[((inst<<2) + (type<<1) + 1)] 39 #define SET_INST_2(inst, type) afs_cmd[((inst<<2) + (type<<1) + 2)] 40 41 static void r200SetFragShaderArg( GLuint *afs_cmd, GLuint opnum, GLuint optype, 42 const struct atifragshader_src_register srcReg, 43 GLuint argPos, GLuint *tfactor ) 44 { 45 const GLuint index = srcReg.Index; 46 const GLuint srcmod = srcReg.argMod; 47 const GLuint srcrep = srcReg.argRep; 48 GLuint reg0 = 0; 49 GLuint reg2 = 0; 50 GLuint useOddSrc = 0; 51 52 switch(srcrep) { 53 case GL_RED: 54 reg2 |= R200_TXC_REPL_RED << (R200_TXC_REPL_ARG_A_SHIFT + (2*argPos)); 55 if (optype) 56 useOddSrc = 1; 57 break; 58 case GL_GREEN: 59 reg2 |= R200_TXC_REPL_GREEN << (R200_TXC_REPL_ARG_A_SHIFT + (2*argPos)); 60 if (optype) 61 useOddSrc = 1; 62 break; 63 case GL_BLUE: 64 if (!optype) 65 reg2 |= R200_TXC_REPL_BLUE << (R200_TXC_REPL_ARG_A_SHIFT + (2*argPos)); 66 else 67 useOddSrc = 1; 68 break; 69 case GL_ALPHA: 70 if (!optype) 71 useOddSrc = 1; 72 break; 73 } 74 75 if (index >= GL_REG_0_ATI && index <= GL_REG_5_ATI) 76 reg0 |= (((index - GL_REG_0_ATI)*2) + 10 + useOddSrc) << (5*argPos); 77 else if (index >= GL_CON_0_ATI && index <= GL_CON_7_ATI) { 78 if ((*tfactor == 0) || (index == *tfactor)) { 79 reg0 |= (R200_TXC_ARG_A_TFACTOR_COLOR + useOddSrc) << (5*argPos); 80 reg2 |= (index - GL_CON_0_ATI) << R200_TXC_TFACTOR_SEL_SHIFT; 81 *tfactor = index; 82 } 83 else { 84 reg0 |= (R200_TXC_ARG_A_TFACTOR1_COLOR + useOddSrc) << (5*argPos); 85 reg2 |= (index - GL_CON_0_ATI) << R200_TXC_TFACTOR1_SEL_SHIFT; 86 } 87 } 88 else if (index == GL_PRIMARY_COLOR_EXT) { 89 reg0 |= (R200_TXC_ARG_A_DIFFUSE_COLOR + useOddSrc) << (5*argPos); 90 } 91 else if (index == GL_SECONDARY_INTERPOLATOR_ATI) { 92 reg0 |= (R200_TXC_ARG_A_SPECULAR_COLOR + useOddSrc) << (5*argPos); 93 } 94 /* GL_ZERO is a noop, for GL_ONE we set the complement */ 95 else if (index == GL_ONE) { 96 reg0 |= R200_TXC_COMP_ARG_A << (4*argPos); 97 } 98 99 if (srcmod & GL_COMP_BIT_ATI) 100 reg0 ^= R200_TXC_COMP_ARG_A << (4*argPos); 101 if (srcmod & GL_BIAS_BIT_ATI) 102 reg0 |= R200_TXC_BIAS_ARG_A << (4*argPos); 103 if (srcmod & GL_2X_BIT_ATI) 104 reg0 |= R200_TXC_SCALE_ARG_A << (4*argPos); 105 if (srcmod & GL_NEGATE_BIT_ATI) 106 reg0 ^= R200_TXC_NEG_ARG_A << (4*argPos); 107 108 SET_INST(opnum, optype) |= reg0; 109 SET_INST_2(opnum, optype) |= reg2; 110 } 111 112 static GLuint dstmask_table[8] = 113 { 114 R200_TXC_OUTPUT_MASK_RGB, 115 R200_TXC_OUTPUT_MASK_R, 116 R200_TXC_OUTPUT_MASK_G, 117 R200_TXC_OUTPUT_MASK_RG, 118 R200_TXC_OUTPUT_MASK_B, 119 R200_TXC_OUTPUT_MASK_RB, 120 R200_TXC_OUTPUT_MASK_GB, 121 R200_TXC_OUTPUT_MASK_RGB 122 }; 123 124 static void r200UpdateFSArith( struct gl_context *ctx ) 125 { 126 r200ContextPtr rmesa = R200_CONTEXT(ctx); 127 GLuint *afs_cmd; 128 const struct ati_fragment_shader *shader = ctx->ATIFragmentShader.Current; 129 GLuint pass; 130 131 R200_STATECHANGE( rmesa, afs[0] ); 132 R200_STATECHANGE( rmesa, afs[1] ); 133 134 if (shader->NumPasses < 2) { 135 afs_cmd = (GLuint *) rmesa->hw.afs[1].cmd; 136 } 137 else { 138 afs_cmd = (GLuint *) rmesa->hw.afs[0].cmd; 139 } 140 for (pass = 0; pass < shader->NumPasses; pass++) { 141 GLuint opnum = 0; 142 GLuint pc; 143 for (pc = 0; pc < shader->numArithInstr[pass]; pc++) { 144 GLuint optype; 145 struct atifs_instruction *inst = &shader->Instructions[pass][pc]; 146 147 SET_INST(opnum, 0) = 0; 148 SET_INST_2(opnum, 0) = 0; 149 SET_INST(opnum, 1) = 0; 150 SET_INST_2(opnum, 1) = 0; 151 152 for (optype = 0; optype < 2; optype++) { 153 GLuint tfactor = 0; 154 155 if (inst->Opcode[optype]) { 156 switch (inst->Opcode[optype]) { 157 /* these are all MADD in disguise 158 MADD is A * B + C 159 so for GL_ADD use arg B/C and make A complement 0 160 for GL_SUB use arg B/C, negate C and make A complement 0 161 for GL_MOV use arg C 162 for GL_MUL use arg A 163 for GL_MAD all good */ 164 case GL_SUB_ATI: 165 /* negate C */ 166 SET_INST(opnum, optype) |= R200_TXC_NEG_ARG_C; 167 /* fallthrough */ 168 case GL_ADD_ATI: 169 r200SetFragShaderArg(afs_cmd, opnum, optype, 170 inst->SrcReg[optype][0], 1, &tfactor); 171 r200SetFragShaderArg(afs_cmd, opnum, optype, 172 inst->SrcReg[optype][1], 2, &tfactor); 173 /* A = complement 0 */ 174 SET_INST(opnum, optype) |= R200_TXC_COMP_ARG_A; 175 SET_INST(opnum, optype) |= R200_TXC_OP_MADD; 176 break; 177 case GL_MOV_ATI: 178 /* put arg0 in C */ 179 r200SetFragShaderArg(afs_cmd, opnum, optype, 180 inst->SrcReg[optype][0], 2, &tfactor); 181 SET_INST(opnum, optype) |= R200_TXC_OP_MADD; 182 break; 183 case GL_MAD_ATI: 184 r200SetFragShaderArg(afs_cmd, opnum, optype, 185 inst->SrcReg[optype][2], 2, &tfactor); 186 /* fallthrough */ 187 case GL_MUL_ATI: 188 r200SetFragShaderArg(afs_cmd, opnum, optype, 189 inst->SrcReg[optype][0], 0, &tfactor); 190 r200SetFragShaderArg(afs_cmd, opnum, optype, 191 inst->SrcReg[optype][1], 1, &tfactor); 192 SET_INST(opnum, optype) |= R200_TXC_OP_MADD; 193 break; 194 case GL_LERP_ATI: 195 /* arg order is not native chip order, swap A and C */ 196 r200SetFragShaderArg(afs_cmd, opnum, optype, 197 inst->SrcReg[optype][0], 2, &tfactor); 198 r200SetFragShaderArg(afs_cmd, opnum, optype, 199 inst->SrcReg[optype][1], 1, &tfactor); 200 r200SetFragShaderArg(afs_cmd, opnum, optype, 201 inst->SrcReg[optype][2], 0, &tfactor); 202 SET_INST(opnum, optype) |= R200_TXC_OP_LERP; 203 break; 204 case GL_CND_ATI: 205 r200SetFragShaderArg(afs_cmd, opnum, optype, 206 inst->SrcReg[optype][0], 0, &tfactor); 207 r200SetFragShaderArg(afs_cmd, opnum, optype, 208 inst->SrcReg[optype][1], 1, &tfactor); 209 r200SetFragShaderArg(afs_cmd, opnum, optype, 210 inst->SrcReg[optype][2], 2, &tfactor); 211 SET_INST(opnum, optype) |= R200_TXC_OP_CONDITIONAL; 212 break; 213 case GL_CND0_ATI: 214 r200SetFragShaderArg(afs_cmd, opnum, optype, 215 inst->SrcReg[optype][0], 0, &tfactor); 216 r200SetFragShaderArg(afs_cmd, opnum, optype, 217 inst->SrcReg[optype][1], 1, &tfactor); 218 r200SetFragShaderArg(afs_cmd, opnum, optype, 219 inst->SrcReg[optype][2], 2, &tfactor); 220 SET_INST(opnum, optype) |= R200_TXC_OP_CND0; 221 break; 222 /* cannot specify dot ops as alpha ops directly */ 223 case GL_DOT2_ADD_ATI: 224 if (optype) 225 SET_INST_2(opnum, 1) |= R200_TXA_DOT_ALPHA; 226 else { 227 r200SetFragShaderArg(afs_cmd, opnum, 0, 228 inst->SrcReg[0][0], 0, &tfactor); 229 r200SetFragShaderArg(afs_cmd, opnum, 0, 230 inst->SrcReg[0][1], 1, &tfactor); 231 r200SetFragShaderArg(afs_cmd, opnum, 0, 232 inst->SrcReg[0][2], 2, &tfactor); 233 SET_INST(opnum, 0) |= R200_TXC_OP_DOT2_ADD; 234 } 235 break; 236 case GL_DOT3_ATI: 237 if (optype) 238 SET_INST_2(opnum, 1) |= R200_TXA_DOT_ALPHA; 239 else { 240 r200SetFragShaderArg(afs_cmd, opnum, 0, 241 inst->SrcReg[0][0], 0, &tfactor); 242 r200SetFragShaderArg(afs_cmd, opnum, 0, 243 inst->SrcReg[0][1], 1, &tfactor); 244 SET_INST(opnum, 0) |= R200_TXC_OP_DOT3; 245 } 246 break; 247 case GL_DOT4_ATI: 248 /* experimental verification: for dot4 setup of alpha args is needed 249 (dstmod is ignored, though, so dot2/dot3 should be safe) 250 the hardware apparently does R1*R2 + G1*G2 + B1*B2 + A3*A4 251 but the API doesn't allow it */ 252 if (optype) 253 SET_INST_2(opnum, 1) |= R200_TXA_DOT_ALPHA; 254 else { 255 r200SetFragShaderArg(afs_cmd, opnum, 0, 256 inst->SrcReg[0][0], 0, &tfactor); 257 r200SetFragShaderArg(afs_cmd, opnum, 0, 258 inst->SrcReg[0][1], 1, &tfactor); 259 r200SetFragShaderArg(afs_cmd, opnum, 1, 260 inst->SrcReg[0][0], 0, &tfactor); 261 r200SetFragShaderArg(afs_cmd, opnum, 1, 262 inst->SrcReg[0][1], 1, &tfactor); 263 SET_INST(opnum, optype) |= R200_TXC_OP_DOT4; 264 } 265 break; 266 } 267 } 268 269 /* destination */ 270 if (inst->DstReg[optype].Index) { 271 GLuint dstreg = inst->DstReg[optype].Index - GL_REG_0_ATI; 272 GLuint dstmask = inst->DstReg[optype].dstMask; 273 GLuint sat = inst->DstReg[optype].dstMod & GL_SATURATE_BIT_ATI; 274 GLuint dstmod = inst->DstReg[optype].dstMod; 275 276 dstmod &= ~GL_SATURATE_BIT_ATI; 277 278 SET_INST_2(opnum, optype) |= (dstreg + 1) << R200_TXC_OUTPUT_REG_SHIFT; 279 SET_INST_2(opnum, optype) |= dstmask_table[dstmask]; 280 281 /* fglrx does clamp the last instructions to 0_1 it seems */ 282 /* this won't necessarily catch the last instruction 283 which writes to reg0 */ 284 if (sat || (pc == (shader->numArithInstr[pass] - 1) && 285 ((pass == 1) || (shader->NumPasses == 1)))) 286 SET_INST_2(opnum, optype) |= R200_TXC_CLAMP_0_1; 287 else 288 /*should we clamp or not? spec is vague, I would suppose yes but fglrx doesn't */ 289 SET_INST_2(opnum, optype) |= R200_TXC_CLAMP_8_8; 290 /* SET_INST_2(opnum, optype) |= R200_TXC_CLAMP_WRAP;*/ 291 switch(dstmod) { 292 case GL_2X_BIT_ATI: 293 SET_INST_2(opnum, optype) |= R200_TXC_SCALE_2X; 294 break; 295 case GL_4X_BIT_ATI: 296 SET_INST_2(opnum, optype) |= R200_TXC_SCALE_4X; 297 break; 298 case GL_8X_BIT_ATI: 299 SET_INST_2(opnum, optype) |= R200_TXC_SCALE_8X; 300 break; 301 case GL_HALF_BIT_ATI: 302 SET_INST_2(opnum, optype) |= R200_TXC_SCALE_INV2; 303 break; 304 case GL_QUARTER_BIT_ATI: 305 SET_INST_2(opnum, optype) |= R200_TXC_SCALE_INV4; 306 break; 307 case GL_EIGHTH_BIT_ATI: 308 SET_INST_2(opnum, optype) |= R200_TXC_SCALE_INV8; 309 break; 310 default: 311 break; 312 } 313 } 314 } 315 /* fprintf(stderr, "pass %d nr %d inst 0x%.8x 0x%.8x 0x%.8x 0x%.8x\n", 316 pass, opnum, SET_INST(opnum, 0), SET_INST_2(opnum, 0), 317 SET_INST(opnum, 1), SET_INST_2(opnum, 1));*/ 318 opnum++; 319 } 320 afs_cmd = (GLuint *) rmesa->hw.afs[1].cmd; 321 } 322 rmesa->afs_loaded = ctx->ATIFragmentShader.Current; 323 } 324 325 static void r200UpdateFSRouting( struct gl_context *ctx ) { 326 r200ContextPtr rmesa = R200_CONTEXT(ctx); 327 const struct ati_fragment_shader *shader = ctx->ATIFragmentShader.Current; 328 GLuint reg; 329 330 R200_STATECHANGE( rmesa, ctx ); 331 R200_STATECHANGE( rmesa, cst ); 332 333 for (reg = 0; reg < R200_MAX_TEXTURE_UNITS; reg++) { 334 if (shader->swizzlerq & (1 << (2 * reg))) 335 /* r coord */ 336 set_re_cntl_d3d( ctx, reg, 1); 337 /* q coord */ 338 else set_re_cntl_d3d( ctx, reg, 0); 339 } 340 341 rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~(R200_MULTI_PASS_ENABLE | 342 R200_TEX_BLEND_ENABLE_MASK | 343 R200_TEX_ENABLE_MASK); 344 rmesa->hw.cst.cmd[CST_PP_CNTL_X] &= ~(R200_PPX_PFS_INST_ENABLE_MASK | 345 R200_PPX_TEX_ENABLE_MASK | 346 R200_PPX_OUTPUT_REG_MASK); 347 348 /* first pass registers use slots 8 - 15 349 but single pass shaders use slots 0 - 7 */ 350 if (shader->NumPasses < 2) { 351 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= shader->numArithInstr[0] == 8 ? 352 0xff << (R200_TEX_BLEND_0_ENABLE_SHIFT - 1) : 353 (0xff >> (8 - shader->numArithInstr[0])) << R200_TEX_BLEND_0_ENABLE_SHIFT; 354 } else { 355 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_MULTI_PASS_ENABLE; 356 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= shader->numArithInstr[1] == 8 ? 357 0xff << (R200_TEX_BLEND_0_ENABLE_SHIFT - 1) : 358 (0xff >> (8 - shader->numArithInstr[1])) << R200_TEX_BLEND_0_ENABLE_SHIFT; 359 rmesa->hw.cst.cmd[CST_PP_CNTL_X] |= 360 (0xff >> (8 - shader->numArithInstr[0])) << R200_PPX_FPS_INST0_ENABLE_SHIFT; 361 } 362 363 if (shader->NumPasses < 2) { 364 for (reg = 0; reg < R200_MAX_TEXTURE_UNITS; reg++) { 365 GLbitfield targetbit = ctx->Texture.Unit[reg]._ReallyEnabled; 366 R200_STATECHANGE( rmesa, tex[reg] ); 367 rmesa->hw.tex[reg].cmd[TEX_PP_TXMULTI_CTL] = 0; 368 if (shader->SetupInst[0][reg].Opcode) { 369 GLuint txformat = rmesa->hw.tex[reg].cmd[TEX_PP_TXFORMAT] 370 & ~(R200_TXFORMAT_ST_ROUTE_MASK | R200_TXFORMAT_LOOKUP_DISABLE); 371 GLuint txformat_x = rmesa->hw.tex[reg].cmd[TEX_PP_TXFORMAT_X] & ~R200_TEXCOORD_MASK; 372 txformat |= (shader->SetupInst[0][reg].src - GL_TEXTURE0_ARB) 373 << R200_TXFORMAT_ST_ROUTE_SHIFT; 374 /* fix up texcoords for proj/non-proj 2d (3d and cube are not defined when 375 using projection so don't have to worry there). 376 When passing coords, need R200_TEXCOORD_VOLUME, otherwise loose a coord */ 377 /* FIXME: someone might rely on default tex coords r/q, which we unfortunately 378 don't provide (we have the same problem without shaders) */ 379 if (shader->SetupInst[0][reg].Opcode == ATI_FRAGMENT_SHADER_PASS_OP) { 380 txformat |= R200_TXFORMAT_LOOKUP_DISABLE; 381 if (shader->SetupInst[0][reg].swizzle == GL_SWIZZLE_STR_ATI || 382 shader->SetupInst[0][reg].swizzle == GL_SWIZZLE_STQ_ATI) { 383 txformat_x |= R200_TEXCOORD_VOLUME; 384 } 385 else { 386 txformat_x |= R200_TEXCOORD_PROJ; 387 } 388 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_0_ENABLE << reg; 389 } 390 else if (targetbit == TEXTURE_3D_BIT) { 391 txformat_x |= R200_TEXCOORD_VOLUME; 392 } 393 else if (targetbit == TEXTURE_CUBE_BIT) { 394 txformat_x |= R200_TEXCOORD_CUBIC_ENV; 395 } 396 else if (shader->SetupInst[0][reg].swizzle == GL_SWIZZLE_STR_ATI || 397 shader->SetupInst[0][reg].swizzle == GL_SWIZZLE_STQ_ATI) { 398 txformat_x |= R200_TEXCOORD_NONPROJ; 399 } 400 else { 401 txformat_x |= R200_TEXCOORD_PROJ; 402 } 403 rmesa->hw.tex[reg].cmd[TEX_PP_TXFORMAT] = txformat; 404 rmesa->hw.tex[reg].cmd[TEX_PP_TXFORMAT_X] = txformat_x; 405 /* enabling texturing when unit isn't correctly configured may not be safe */ 406 if (targetbit) 407 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_0_ENABLE << reg; 408 } 409 } 410 411 } else { 412 /* setup 1st pass */ 413 for (reg = 0; reg < R200_MAX_TEXTURE_UNITS; reg++) { 414 GLbitfield targetbit = ctx->Texture.Unit[reg]._ReallyEnabled; 415 R200_STATECHANGE( rmesa, tex[reg] ); 416 GLuint txformat_multi = 0; 417 if (shader->SetupInst[0][reg].Opcode) { 418 txformat_multi |= (shader->SetupInst[0][reg].src - GL_TEXTURE0_ARB) 419 << R200_PASS1_ST_ROUTE_SHIFT; 420 if (shader->SetupInst[0][reg].Opcode == ATI_FRAGMENT_SHADER_PASS_OP) { 421 txformat_multi |= R200_PASS1_TXFORMAT_LOOKUP_DISABLE; 422 if (shader->SetupInst[0][reg].swizzle == GL_SWIZZLE_STR_ATI || 423 shader->SetupInst[0][reg].swizzle == GL_SWIZZLE_STQ_ATI) { 424 txformat_multi |= R200_PASS1_TEXCOORD_VOLUME; 425 } 426 else { 427 txformat_multi |= R200_PASS1_TEXCOORD_PROJ; 428 } 429 rmesa->hw.cst.cmd[CST_PP_CNTL_X] |= R200_PPX_TEX_0_ENABLE << reg; 430 } 431 else if (targetbit == TEXTURE_3D_BIT) { 432 txformat_multi |= R200_PASS1_TEXCOORD_VOLUME; 433 } 434 else if (targetbit == TEXTURE_CUBE_BIT) { 435 txformat_multi |= R200_PASS1_TEXCOORD_CUBIC_ENV; 436 } 437 else if (shader->SetupInst[0][reg].swizzle == GL_SWIZZLE_STR_ATI || 438 shader->SetupInst[0][reg].swizzle == GL_SWIZZLE_STQ_ATI) { 439 txformat_multi |= R200_PASS1_TEXCOORD_NONPROJ; 440 } 441 else { 442 txformat_multi |= R200_PASS1_TEXCOORD_PROJ; 443 } 444 if (targetbit) 445 rmesa->hw.cst.cmd[CST_PP_CNTL_X] |= R200_PPX_TEX_0_ENABLE << reg; 446 } 447 rmesa->hw.tex[reg].cmd[TEX_PP_TXMULTI_CTL] = txformat_multi; 448 } 449 450 /* setup 2nd pass */ 451 for (reg=0; reg < R200_MAX_TEXTURE_UNITS; reg++) { 452 GLbitfield targetbit = ctx->Texture.Unit[reg]._ReallyEnabled; 453 if (shader->SetupInst[1][reg].Opcode) { 454 GLuint coord = shader->SetupInst[1][reg].src; 455 GLuint txformat = rmesa->hw.tex[reg].cmd[TEX_PP_TXFORMAT] 456 & ~(R200_TXFORMAT_ST_ROUTE_MASK | R200_TXFORMAT_LOOKUP_DISABLE); 457 GLuint txformat_x = rmesa->hw.tex[reg].cmd[TEX_PP_TXFORMAT_X] & ~R200_TEXCOORD_MASK; 458 R200_STATECHANGE( rmesa, tex[reg] ); 459 if (shader->SetupInst[1][reg].Opcode == ATI_FRAGMENT_SHADER_PASS_OP) { 460 txformat |= R200_TXFORMAT_LOOKUP_DISABLE; 461 txformat_x |= R200_TEXCOORD_VOLUME; 462 if (shader->SetupInst[1][reg].swizzle == GL_SWIZZLE_STR_ATI || 463 shader->SetupInst[1][reg].swizzle == GL_SWIZZLE_STQ_ATI) { 464 txformat_x |= R200_TEXCOORD_VOLUME; 465 } 466 else { 467 txformat_x |= R200_TEXCOORD_PROJ; 468 } 469 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_0_ENABLE << reg; 470 } 471 else if (targetbit == TEXTURE_3D_BIT) { 472 txformat_x |= R200_TEXCOORD_VOLUME; 473 } 474 else if (targetbit == TEXTURE_CUBE_BIT) { 475 txformat_x |= R200_TEXCOORD_CUBIC_ENV; 476 } 477 else if (shader->SetupInst[1][reg].swizzle == GL_SWIZZLE_STR_ATI || 478 shader->SetupInst[1][reg].swizzle == GL_SWIZZLE_STQ_ATI) { 479 txformat_x |= R200_TEXCOORD_NONPROJ; 480 } 481 else { 482 txformat_x |= R200_TEXCOORD_PROJ; 483 } 484 if (coord >= GL_REG_0_ATI) { 485 GLuint txformat_multi = rmesa->hw.tex[reg].cmd[TEX_PP_TXMULTI_CTL]; 486 txformat_multi |= (coord - GL_REG_0_ATI + 2) << R200_PASS2_COORDS_REG_SHIFT; 487 rmesa->hw.tex[reg].cmd[TEX_PP_TXMULTI_CTL] = txformat_multi; 488 rmesa->hw.cst.cmd[CST_PP_CNTL_X] |= 1 << 489 (R200_PPX_OUTPUT_REG_0_SHIFT + coord - GL_REG_0_ATI); 490 } else { 491 txformat |= (coord - GL_TEXTURE0_ARB) << R200_TXFORMAT_ST_ROUTE_SHIFT; 492 } 493 rmesa->hw.tex[reg].cmd[TEX_PP_TXFORMAT_X] = txformat_x; 494 rmesa->hw.tex[reg].cmd[TEX_PP_TXFORMAT] = txformat; 495 if (targetbit) 496 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_0_ENABLE << reg; 497 } 498 } 499 } 500 } 501 502 static void r200UpdateFSConstants( struct gl_context *ctx ) 503 { 504 r200ContextPtr rmesa = R200_CONTEXT(ctx); 505 const struct ati_fragment_shader *shader = ctx->ATIFragmentShader.Current; 506 GLuint i; 507 508 /* update constants */ 509 R200_STATECHANGE(rmesa, atf); 510 for (i = 0; i < 8; i++) 511 { 512 GLubyte con_byte[4]; 513 if ((shader->LocalConstDef >> i) & 1) { 514 CLAMPED_FLOAT_TO_UBYTE(con_byte[0], shader->Constants[i][0]); 515 CLAMPED_FLOAT_TO_UBYTE(con_byte[1], shader->Constants[i][1]); 516 CLAMPED_FLOAT_TO_UBYTE(con_byte[2], shader->Constants[i][2]); 517 CLAMPED_FLOAT_TO_UBYTE(con_byte[3], shader->Constants[i][3]); 518 } 519 else { 520 CLAMPED_FLOAT_TO_UBYTE(con_byte[0], ctx->ATIFragmentShader.GlobalConstants[i][0]); 521 CLAMPED_FLOAT_TO_UBYTE(con_byte[1], ctx->ATIFragmentShader.GlobalConstants[i][1]); 522 CLAMPED_FLOAT_TO_UBYTE(con_byte[2], ctx->ATIFragmentShader.GlobalConstants[i][2]); 523 CLAMPED_FLOAT_TO_UBYTE(con_byte[3], ctx->ATIFragmentShader.GlobalConstants[i][3]); 524 } 525 rmesa->hw.atf.cmd[ATF_TFACTOR_0 + i] = radeonPackColor ( 526 4, con_byte[0], con_byte[1], con_byte[2], con_byte[3] ); 527 } 528 } 529 530 /* update routing, constants and arithmetic 531 * constants need to be updated always (globals can change, no separate notification) 532 * routing needs to be updated always too (non-shader code will overwrite state, plus 533 * some of the routing depends on what sort of texture is bound) 534 * for both of them, we need to update anyway because of disabling/enabling ati_fs which 535 * we'd need to track otherwise 536 * arithmetic is only updated if current shader changes (and probably the data should be 537 * stored in some DriverData object attached to the mesa atifs object, i.e. binding a 538 * shader wouldn't force us to "recompile" the shader). 539 */ 540 void r200UpdateFragmentShader( struct gl_context *ctx ) 541 { 542 r200ContextPtr rmesa = R200_CONTEXT(ctx); 543 544 r200UpdateFSConstants( ctx ); 545 r200UpdateFSRouting( ctx ); 546 if (rmesa->afs_loaded != ctx->ATIFragmentShader.Current) 547 r200UpdateFSArith( ctx ); 548 } 549
