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      1 
      2 /*
      3  * Mesa 3-D graphics library
      4  *
      5  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the "Software"),
      9  * to deal in the Software without restriction, including without limitation
     10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     11  * and/or sell copies of the Software, and to permit persons to whom the
     12  * Software is furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice shall be included
     15  * in all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     23  * OTHER DEALINGS IN THE SOFTWARE.
     24  */
     25 
     26 /** TODO:
     27   * - insert PREFETCH instructions to avoid cache-misses !
     28   * - some more optimizations are possible...
     29   * - for 40-50% more performance in the SSE-functions, the
     30   *   data (trans-matrix, src_vert, dst_vert) needs to be 16byte aligned !
     31   */
     32 
     33 #ifdef USE_SSE_ASM
     34 #include "assyntax.h"
     35 #include "matypes.h"
     36 #include "xform_args.h"
     37 
     38    SEG_TEXT
     39 
     40 #define S(i) 	REGOFF(i * 4, ESI)
     41 #define D(i) 	REGOFF(i * 4, EDI)
     42 #define M(i) 	REGOFF(i * 4, EDX)
     43 
     44 
     45 ALIGNTEXT4
     46 GLOBL GLNAME(_mesa_sse_transform_points1_general)
     47 HIDDEN( _mesa_sse_transform_points1_general )
     48 GLNAME( _mesa_sse_transform_points1_general ):
     49 
     50 #define FRAME_OFFSET 8
     51     PUSH_L    ( ESI )
     52     PUSH_L    ( EDI )
     53 
     54     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
     55     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */
     56 
     57     MOV_L( ARG_MATRIX, EDX ) 			/* ptr to matrix */
     58     MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */
     59 
     60     CMP_L( CONST(0), ECX )			/* count == 0 ? */
     61     JE( LLBL(K_GTP1GR_finish) )			/* yes -> nothing to do. */
     62 
     63     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
     64     OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */
     65 
     66     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
     67     MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */
     68 
     69     SHL_L( CONST(4), ECX ) 			/* count *= 16 */
     70     MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */
     71 
     72     MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
     73     ADD_L( EDI, ECX ) 				/* count += dest ptr */
     74 
     75 
     76 ALIGNTEXT32
     77     MOVAPS( M(0), XMM0 )			/* m3  | m2  | m1  | m0  */
     78     MOVAPS( M(12), XMM1 )			/* m15 | m14 | m13 | m12 */
     79 
     80 ALIGNTEXT32
     81 LLBL(K_GTP1GR_top):
     82     MOVSS( S(0), XMM2 )				/* ox */
     83     SHUFPS( CONST(0x0), XMM2, XMM2 )		/* ox | ox | ox | ox */
     84     MULPS( XMM0, XMM2 )				/* ox*m3 | ox*m2 | ox*m1 | ox*m0 */
     85     ADDPS( XMM1, XMM2 )				/* + | + | + | + */
     86     MOVUPS( XMM2, D(0) )
     87 
     88 LLBL(K_GTP1GR_skip):
     89     ADD_L     ( CONST(16), EDI )
     90     ADD_L     ( EAX, ESI )
     91     CMP_L     ( ECX, EDI )
     92     JNE       ( LLBL(K_GTP1GR_top) )
     93 
     94 LLBL(K_GTP1GR_finish):
     95     POP_L     ( EDI )
     96     POP_L     ( ESI )
     97     RET
     98 #undef FRAME_OFFSET
     99 
    100 
    101 
    102 ALIGNTEXT4
    103 GLOBL GLNAME(_mesa_sse_transform_points1_identity)
    104 HIDDEN(_mesa_sse_transform_points1_identity)
    105 GLNAME( _mesa_sse_transform_points1_identity ):
    106 
    107 #define FRAME_OFFSET 8
    108     PUSH_L    ( ESI )
    109     PUSH_L    ( EDI )
    110 
    111     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
    112     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */
    113 
    114     MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */
    115 
    116     TEST_L( ECX, ECX)
    117     JZ( LLBL(K_GTP1IR_finish) ) 		/* count was zero; go to finish */
    118 
    119     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    120     OR_L( CONST(VEC_SIZE_1), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */
    121 
    122     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    123     MOV_L( CONST(1), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */
    124 
    125     SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    126     MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */
    127 
    128     MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    129     ADD_L( EDI, ECX ) 				/* count += dest ptr */
    130 
    131     CMP_L( ESI, EDI )
    132     JE( LLBL(K_GTP1IR_finish) )
    133 
    134 
    135 ALIGNTEXT32
    136 LLBL(K_GTP1IR_top):
    137     MOV_L( S(0), EDX )
    138     MOV_L( EDX, D(0) )
    139 
    140 LLBL(K_GTP1IR_skip):
    141     ADD_L     ( CONST(16), EDI )
    142     ADD_L     ( EAX, ESI )
    143     CMP_L     ( ECX, EDI )
    144     JNE       ( LLBL(K_GTP1IR_top) )
    145 
    146 LLBL(K_GTP1IR_finish):
    147     POP_L     ( EDI )
    148     POP_L     ( ESI )
    149     RET
    150 #undef FRAME_OFFSET
    151 
    152 
    153 
    154 ALIGNTEXT4
    155 GLOBL GLNAME(_mesa_sse_transform_points1_3d_no_rot)
    156 HIDDEN(_mesa_sse_transform_points1_3d_no_rot)
    157 GLNAME(_mesa_sse_transform_points1_3d_no_rot):
    158 
    159 #define FRAME_OFFSET 8
    160     PUSH_L( ESI )
    161     PUSH_L( EDI )
    162 
    163     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )	/* ptr to source GLvector4f */
    164     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */
    165 
    166     MOV_L( ARG_MATRIX, EDX ) 			/* ptr to matrix */
    167     MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */
    168 
    169     TEST_L( ECX, ECX)
    170     JZ( LLBL(K_GTP13DNRR_finish) ) 		/* count was zero; go to finish */
    171 
    172     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    173     OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */
    174 
    175     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    176     MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */
    177 
    178     SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    179     MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */
    180 
    181     MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    182     ADD_L( EDI, ECX ) 				/* count += dest ptr */
    183 
    184 
    185 ALIGNTEXT32
    186     MOVSS( M(0), XMM0 )				/* m0 */
    187     MOVSS( M(12), XMM1 )			/* m12 */
    188     MOVSS( M(13), XMM2 )			/* m13 */
    189     MOVSS( M(14), XMM3 )			/* m14 */
    190 
    191 ALIGNTEXT32
    192 LLBL(K_GTP13DNRR_top):
    193     MOVSS( S(0), XMM4 )				/* ox */
    194     MULSS( XMM0, XMM4 )				/* ox*m0 */
    195     ADDSS( XMM1, XMM4 )				/* ox*m0+m12 */
    196     MOVSS( XMM4, D(0) )
    197 
    198     MOVSS( XMM2, D(1) )
    199     MOVSS( XMM3, D(2) )
    200 
    201 LLBL(K_GTP13DNRR_skip):
    202     ADD_L    ( CONST(16), EDI )
    203     ADD_L    ( EAX, ESI )
    204     CMP_L    ( ECX, EDI )
    205     JNE      ( LLBL(K_GTP13DNRR_top) )
    206 
    207 LLBL(K_GTP13DNRR_finish):
    208     POP_L    ( EDI )
    209     POP_L    ( ESI )
    210     RET
    211 #undef FRAME_OFFSET
    212 
    213 
    214 
    215 ALIGNTEXT4
    216 GLOBL GLNAME(_mesa_sse_transform_points1_perspective)
    217 HIDDEN(_mesa_sse_transform_points1_perspective)
    218 GLNAME(_mesa_sse_transform_points1_perspective):
    219 
    220 #define FRAME_OFFSET 8
    221     PUSH_L   ( ESI )
    222     PUSH_L   ( EDI )
    223 
    224     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
    225     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */
    226 
    227     MOV_L( ARG_MATRIX, EDX ) 			/* ptr to matrix */
    228     MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */
    229 
    230     TEST_L( ECX, ECX)
    231     JZ( LLBL(K_GTP13PR_finish) )		/* count was zero; go to finish */
    232 
    233     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    234     OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */
    235 
    236     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    237     MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */
    238 
    239     SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    240     MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */
    241 
    242     MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    243     ADD_L( EDI, ECX ) 				/* count += dest ptr */
    244 
    245 
    246 ALIGNTEXT32
    247     XORPS( XMM0, XMM0 )				/* 0 | 0 | 0 | 0 */
    248     MOVSS( M(0), XMM1 )				/* m0 */
    249     MOVSS( M(14), XMM2 )			/* m14 */
    250 
    251 ALIGNTEXT32
    252 LLBL(K_GTP13PR_top):
    253     MOVSS( S(0), XMM3 )				/* ox */
    254     MULSS( XMM1, XMM3 )				/* ox*m0 */
    255     MOVSS( XMM3, D(0) )				/* ox*m0->D(0) */
    256     MOVSS( XMM2, D(2) )				/* m14->D(2) */
    257 
    258     MOVSS( XMM0, D(1) )
    259     MOVSS( XMM0, D(3) )
    260 
    261 LLBL(K_GTP13PR_skip):
    262     ADD_L( CONST(16), EDI )
    263     ADD_L( EAX, ESI )
    264     CMP_L( ECX, EDI )
    265     JNE( LLBL(K_GTP13PR_top) )
    266 
    267 LLBL(K_GTP13PR_finish):
    268     POP_L    ( EDI )
    269     POP_L    ( ESI )
    270     RET
    271 #undef FRAME_OFFSET
    272 
    273 
    274 ALIGNTEXT4
    275 GLOBL GLNAME(_mesa_sse_transform_points1_2d)
    276 HIDDEN(_mesa_sse_transform_points1_2d)
    277 GLNAME(_mesa_sse_transform_points1_2d):
    278 
    279 #define FRAME_OFFSET 8
    280     PUSH_L( ESI )
    281     PUSH_L( EDI )
    282 
    283     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
    284     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */
    285 
    286     MOV_L( ARG_MATRIX, EDX ) 			/* ptr to matrix */
    287     MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */
    288 
    289     TEST_L( ECX, ECX)
    290     JZ( LLBL(K_GTP13P2DR_finish) ) 		/* count was zero; go to finish */
    291 
    292     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    293     OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */
    294 
    295     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    296     MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */
    297 
    298     SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    299     MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */
    300 
    301     MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    302     ADD_L( EDI, ECX ) 				/* count += dest ptr */
    303 
    304 ALIGNTEXT32
    305     MOVLPS( M(0), XMM0 )			/* m1  | m0  */
    306     MOVLPS( M(12), XMM1 )			/* m13 | m12 */
    307 
    308 ALIGNTEXT32
    309 LLBL(K_GTP13P2DR_top):
    310     MOVSS( S(0), XMM2 )				/* ox */
    311     SHUFPS( CONST(0x0), XMM2, XMM2 )		/* ox | ox | ox | ox */
    312     MULPS( XMM0, XMM2 )				/* - | - | ox*m1 | ox*m0 */
    313     ADDPS( XMM1, XMM2 )				/* - | - | ox*m1+m13 | ox*m0+m12 */
    314     MOVLPS( XMM2, D(0) )
    315 
    316 LLBL(K_GTP13P2DR_skip):
    317     ADD_L    ( CONST(16), EDI )
    318     ADD_L    ( EAX, ESI )
    319     CMP_L    ( ECX, EDI )
    320     JNE      ( LLBL(K_GTP13P2DR_top) )
    321 
    322 LLBL(K_GTP13P2DR_finish):
    323     POP_L    ( EDI )
    324     POP_L    ( ESI )
    325     RET
    326 #undef FRAME_OFFSET
    327 
    328 
    329 ALIGNTEXT4
    330 GLOBL GLNAME(_mesa_sse_transform_points1_2d_no_rot)
    331 HIDDEN(_mesa_sse_transform_points1_2d_no_rot)
    332 GLNAME(_mesa_sse_transform_points1_2d_no_rot):
    333 
    334 #define FRAME_OFFSET 8
    335 	PUSH_L( ESI )
    336 	PUSH_L( EDI )
    337 
    338 	MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
    339 	MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */
    340 
    341 	MOV_L( ARG_MATRIX, EDX ) 		/* ptr to matrix */
    342 	MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */
    343 
    344 	TEST_L( ECX, ECX)
    345 	JZ( LLBL(K_GTP13P2DNRR_finish) ) 	/* count was zero; go to finish */
    346 
    347 	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    348 	OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */
    349 
    350 	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    351 	MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */
    352 
    353 	SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    354 	MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */
    355 
    356 	MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    357 	ADD_L( EDI, ECX ) 			/* count += dest ptr */
    358 
    359 ALIGNTEXT32
    360 	MOVSS( M(0), XMM0 )			/* m0 */
    361 	MOVSS( M(12), XMM1 )			/* m12 */
    362 	MOVSS( M(13), XMM2 )			/* m13 */
    363 
    364 ALIGNTEXT32
    365 LLBL(K_GTP13P2DNRR_top):
    366 	MOVSS( S(0), XMM3 )			/* ox */
    367 	MULSS( XMM0, XMM3 )			/* ox*m0 */
    368 	ADDSS( XMM1, XMM3 )			/* ox*m0+m12 */
    369 	MOVSS( XMM3, D(0) )
    370 	MOVSS( XMM2, D(1) )
    371 
    372 LLBL(K_GTP13P2DNRR_skip):
    373 	ADD_L( CONST(16), EDI )
    374 	ADD_L( EAX, ESI )
    375 	CMP_L( ECX, EDI )
    376 	JNE( LLBL(K_GTP13P2DNRR_top) )
    377 
    378 LLBL(K_GTP13P2DNRR_finish):
    379 	POP_L( EDI )
    380 	POP_L( ESI )
    381 	RET
    382 #undef FRAME_OFFSET
    383 
    384 
    385 
    386 ALIGNTEXT4
    387 GLOBL GLNAME(_mesa_sse_transform_points1_3d)
    388 HIDDEN(_mesa_sse_transform_points1_3d)
    389 GLNAME(_mesa_sse_transform_points1_3d):
    390 
    391 #define FRAME_OFFSET 8
    392 	PUSH_L( ESI )
    393 	PUSH_L( EDI )
    394 
    395 	MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
    396 	MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */
    397 
    398 	MOV_L( ARG_MATRIX, EDX ) 		/* ptr to matrix */
    399 	MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */
    400 
    401 	TEST_L( ECX, ECX)
    402 	JZ( LLBL(K_GTP13P3DR_finish) ) 	/* count was zero; go to finish */
    403 
    404 	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    405 	OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */
    406 
    407 	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    408 	MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */
    409 
    410 	SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    411 	MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */
    412 
    413 	MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    414 	ADD_L( EDI, ECX ) 			/* count += dest ptr */
    415 
    416 
    417 ALIGNTEXT32
    418 	MOVAPS( M(0), XMM0 )			/* m3  | m2  | m1  |  m0 */
    419 	MOVAPS( M(12), XMM1 )			/* m15 | m14 | m13 | m12 */
    420 
    421 ALIGNTEXT32
    422 LLBL(K_GTP13P3DR_top):
    423 	MOVSS( S(0), XMM2 )			/* ox */
    424 	SHUFPS( CONST(0x0), XMM2, XMM2 )	/* ox | ox | ox | ox */
    425 	MULPS( XMM0, XMM2 )			/* ox*m3 | ox*m2 | ox*m1 | ox*m0 */
    426 	ADDPS( XMM1, XMM2 )			/* +m15  | +m14  | +m13  | +m12  */
    427 	MOVLPS( XMM2, D(0) )			/*   -   |   -   | ->D(1)| ->D(0)*/
    428 	UNPCKHPS( XMM2, XMM2 )			/* ox*m3+m15 | ox*m3+m15 | ox*m2+m14 | ox*m2+m14 */
    429 	MOVSS( XMM2, D(2) )
    430 
    431 LLBL(K_GTP13P3DR_skip):
    432 	ADD_L( CONST(16), EDI )
    433 	ADD_L( EAX, ESI )
    434 	CMP_L( ECX, EDI )
    435 	JNE( LLBL(K_GTP13P3DR_top) )
    436 
    437 LLBL(K_GTP13P3DR_finish):
    438 	POP_L( EDI )
    439 	POP_L( ESI )
    440 	RET
    441 #undef FRAME_OFFSET
    442 #endif
    443 
    444 #if defined (__ELF__) && defined (__linux__)
    445 	.section .note.GNU-stack,"",%progbits
    446 #endif
    447