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/* $Id: sse_xform2.s,v 1.1 2003-03-13 12:11:49 giacomo Exp $ */

/*
 * Mesa 3-D graphics library
 * Version:  3.5
 *
 * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/** TODO:
  * - insert PREFETCH instructions to avoid cache-misses !
  * - some more optimizations are possible...
  * - for 40-50% more performance in the SSE-functions, the
  *   data (trans-matrix, src_vert, dst_vert) needs to be 16byte aligned !
  */

#include "matypes.h"
#include "xform_args.h"

   SEG_TEXT

#define S(i)    REGOFF(i * 4, ESI)
#define D(i)    REGOFF(i * 4, EDI)
#define M(i)    REGOFF(i * 4, EDX)


ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_general)
GLNAME( _mesa_sse_transform_points2_general ):

#define FRAME_OFFSET 8
    PUSH_L    ( ESI )
    PUSH_L    ( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )  /* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */

    MOV_L( ARG_MATRIX, EDX )                    /* ptr to matrix */
    MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */

    TEST_L( ECX, ECX )
    JZ( LLBL(K_GTP2GR_finish) )                 /* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
    OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
    MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )    /* set dest size */

    SHL_L( CONST(4), ECX )                      /* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
    ADD_L( EDI, ECX )                           /* count += dest ptr */

ALIGNTEXT32
    MOVAPS( M(0), XMM0 )                        /* m3  | m2  | m1  | m0 */
    MOVAPS( M(4), XMM1 )                        /* m7  | m6  | m5  | m4 */
    MOVAPS( M(12), XMM2 )                       /* m15 | m14 | m13 | m12 */

ALIGNTEXT32
LLBL(K_GTP2GR_top):
    MOVSS( S(0), XMM3 )                         /* ox */
    SHUFPS( CONST(0x0), XMM3, XMM3 )            /* ox | ox | ox | ox */
    MULPS( XMM0, XMM3 )                         /* ox*m3 | ox*m2 | ox*m1 | ox*m0 */
    MOVSS( S(1), XMM4 )                         /* oy */
    SHUFPS( CONST(0x0), XMM4, XMM4 )            /* oy | oy | oy | oy */
    MULPS( XMM1, XMM4 )                         /* oy*m7 | oy*m6 | oy*m5 | oy*m4 */

    ADDPS( XMM4, XMM3 )
    ADDPS( XMM2, XMM3 )
    MOVAPS( XMM3, D(0) )

LLBL(K_GTP2GR_skip):
    ADD_L     ( CONST(16), EDI )
    ADD_L     ( EAX, ESI )
    CMP_L     ( ECX, EDI )
    JNE       ( LLBL(K_GTP2GR_top) )

LLBL(K_GTP2GR_finish):
    POP_L     ( EDI )
    POP_L     ( ESI )
    RET
#undef FRAME_OFFSET


ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_identity)
GLNAME( _mesa_sse_transform_points2_identity ):

#define FRAME_OFFSET 8
    PUSH_L    ( ESI )
    PUSH_L    ( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) /* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */

    MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */

    TEST_L( ECX, ECX)
    JZ( LLBL(K_GTP2IR_finish) )                 /* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
    OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
    MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) )    /* set dest size */

    SHL_L( CONST(4), ECX )                      /* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
    ADD_L( EDI, ECX )                           /* count += dest ptr */

    CMP_L( ESI, EDI )
    JE( LLBL(K_GTP2IR_finish) )


ALIGNTEXT32
LLBL(K_GTP2IR_top):
    MOV_L     ( S(0), EDX )
    MOV_L     ( EDX, D(0) )
    MOV_L     ( S(1), EDX )
    MOV_L     ( EDX, D(1) )

LLBL(K_GTP2IR_skip):
    ADD_L     ( CONST(16), EDI )
    ADD_L     ( EAX, ESI )
    CMP_L     ( ECX, EDI )
    JNE       ( LLBL(K_GTP2IR_top) )

LLBL(K_GTP2IR_finish):
    POP_L     ( EDI )
    POP_L     ( ESI )
    RET
#undef FRAME_OFFSET


ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_3d_no_rot)
GLNAME(_mesa_sse_transform_points2_3d_no_rot):

#define FRAME_OFFSET 8
    PUSH_L( ESI )
    PUSH_L( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )  /* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */

    MOV_L( ARG_MATRIX, EDX )                    /* ptr to matrix */
    MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */

    TEST_L( ECX, ECX)
    JZ( LLBL(K_GTP23DNRR_finish) )              /* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
    OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
    MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )    /* set dest size */

    SHL_L( CONST(4), ECX )                      /* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
    ADD_L( EDI, ECX )                           /* count += dest ptr */


ALIGNTEXT32
    MOVSS    ( M(0), XMM1 )                     /* - | - |  -  | m0  */
    MOVSS    ( M(5), XMM2 )                     /* - | - |  -  | m5  */
    UNPCKLPS ( XMM2, XMM1 )                     /* - | - | m5  | m0  */
    MOVLPS   ( M(12), XMM2 )                    /* - | - | m13 | m12 */
    MOVSS    ( M(14), XMM3 )                    /* - | - |  -  | m14 */

ALIGNTEXT32
LLBL(K_GTP23DNRR_top):
    MOVLPS   ( S(0), XMM0 )                     /* - | - |  oy   | ox */
    MULPS    ( XMM1, XMM0 )                     /* - | - | oy*m5 | ox*m0 */
    ADDPS    ( XMM2, XMM0 )                     /* - | - | +m13  | +m12 */
    MOVLPS   ( XMM0, D(0) )                     /* -> D(1) | -> D(0) */

    MOVSS    ( XMM3, D(2) )                     /* -> D(2) */

LLBL(K_GTP23DNRR_skip):
    ADD_L    ( CONST(16), EDI )
    ADD_L    ( EAX, ESI )
    CMP_L    ( ECX, EDI )
    JNE      ( LLBL(K_GTP23DNRR_top) )

LLBL(K_GTP23DNRR_finish):
    POP_L    ( EDI )
    POP_L    ( ESI )
    RET
#undef FRAME_OFFSET


ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_perspective)
GLNAME(_mesa_sse_transform_points2_perspective):

#define FRAME_OFFSET 8
    PUSH_L   ( ESI )
    PUSH_L   ( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )  /* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */

    MOV_L( ARG_MATRIX, EDX )                    /* ptr to matrix */
    MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */

    TEST_L( ECX, ECX)
    JZ( LLBL(K_GTP23PR_finish) )                /* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
    OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
    MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )    /* set dest size */

    SHL_L( CONST(4), ECX )                      /* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
    ADD_L( EDI, ECX )                           /* count += dest ptr */

ALIGNTEXT32
    MOVSS    ( M(0), XMM1 )                     /* -  | -  |  -  | m0  */
    MOVSS    ( M(5), XMM2 )                     /* -  | -  |  -  | m5  */
    UNPCKLPS ( XMM2, XMM1 )                     /* -  | -  | m5  | m0  */
    MOVSS    ( M(14), XMM3 )                    /* m14 */
    XORPS    ( XMM0, XMM0 )                     /* 0 | 0 | 0 | 0 */

ALIGNTEXT32
LLBL(K_GTP23PR_top):
    MOVLPS( S(0), XMM4 )                        /* oy | ox */
    MULPS( XMM1, XMM4 )                         /* oy*m5 | ox*m0 */
    MOVLPS( XMM4, D(0) )                        /* ->D(1) | ->D(0) */
    MOVSS( XMM3, D(2) )                         /* ->D(2) */
    MOVSS( XMM0, D(3) )                         /* ->D(3) */

LLBL(K_GTP23PR_skip):
    ADD_L( CONST(16), EDI )
    ADD_L( EAX, ESI )
    CMP_L( ECX, EDI )
    JNE( LLBL(K_GTP23PR_top) )

LLBL(K_GTP23PR_finish):
    POP_L    ( EDI )
    POP_L    ( ESI )
    RET
#undef FRAME_OFFSET



ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_2d)
GLNAME(_mesa_sse_transform_points2_2d):

#define FRAME_OFFSET 8
    PUSH_L( ESI )
    PUSH_L( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )  /* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */

    MOV_L( ARG_MATRIX, EDX )                    /* ptr to matrix */
    MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */

    TEST_L( ECX, ECX)
    JZ( LLBL(K_GTP23P2DR_finish) )              /* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
    OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
    MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) )    /* set dest size */

    SHL_L( CONST(4), ECX )                      /* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
    ADD_L( EDI, ECX )                           /* count += dest ptr */

ALIGNTEXT32
    MOVLPS( M(0), XMM0 )                        /* m1  | m0 */
    MOVLPS( M(4), XMM1 )                        /* m5  | m4 */
    MOVLPS( M(12), XMM2 )                       /* m13 | m12 */

ALIGNTEXT32
LLBL(K_GTP23P2DR_top):
    MOVSS( S(0), XMM3 )                         /* ox */
    SHUFPS( CONST(0x0), XMM3, XMM3 )            /* ox | ox */
    MULPS( XMM0, XMM3 )                         /* ox*m1 | ox*m0 */

    MOVSS( S(1), XMM4 )                         /* oy */
    SHUFPS( CONST(0x0), XMM4, XMM4 )            /* oy | oy */
    MULPS( XMM1, XMM4 )                         /* oy*m5 | oy*m4 */

    ADDPS( XMM4, XMM3 )
    ADDPS( XMM2, XMM3 )
    MOVLPS( XMM3, D(0) )                        /* ->D(1) | ->D(0) */

LLBL(K_GTP23P2DR_skip):
    ADD_L    ( CONST(16), EDI )
    ADD_L    ( EAX, ESI )
    CMP_L    ( ECX, EDI )
    JNE      ( LLBL(K_GTP23P2DR_top) )

LLBL(K_GTP23P2DR_finish):
    POP_L    ( EDI )
    POP_L    ( ESI )
    RET
#undef FRAME_OFFSET



ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_2d_no_rot)
GLNAME(_mesa_sse_transform_points2_2d_no_rot):

#define FRAME_OFFSET 8
        PUSH_L( ESI )
        PUSH_L( EDI )

        MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )      /* ptr to source GLvector4f */
        MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )        /* ptr to dest GLvector4f */

        MOV_L( ARG_MATRIX, EDX )                /* ptr to matrix */
        MOV_L( REGOFF(V4F_COUNT, ESI), ECX )    /* source count */

        TEST_L( ECX, ECX)
        JZ( LLBL(K_GTP23P2DNRR_finish) )        /* count was zero; go to finish */

        MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )   /* stride */
        OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) )       /* set dest flags */

        MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )    /* set dest count */
        MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) )        /* set dest size */

        SHL_L( CONST(4), ECX )                  /* count *= 16 */
        MOV_L( REGOFF(V4F_START, ESI), ESI )    /* ptr to first source vertex */

        MOV_L( REGOFF(V4F_START, EDI), EDI )    /* ptr to first dest vertex */
        ADD_L( EDI, ECX )                       /* count += dest ptr */

ALIGNTEXT32
        MOVSS    ( M(0), XMM1 )                 /* m0 */
        MOVSS    ( M(5), XMM2 )                 /* m5 */
        UNPCKLPS ( XMM2, XMM1 )                 /* m5 | m0 */
        MOVLPS   ( M(12), XMM2 )                /* m13 | m12 */

ALIGNTEXT32
LLBL(K_GTP23P2DNRR_top):
        MOVLPS( S(0), XMM0 )                    /* oy | ox */
        MULPS( XMM1, XMM0 )                     /* oy*m5 | ox*m0 */
        ADDPS( XMM2, XMM0 )                     /* +m13 | +m12 */
        MOVLPS( XMM0, D(0) )                    /* ->D(1) | ->D(0) */

LLBL(K_GTP23P2DNRR_skip):
        ADD_L( CONST(16), EDI )
        ADD_L( EAX, ESI )
        CMP_L( ECX, EDI )
        JNE( LLBL(K_GTP23P2DNRR_top) )

LLBL(K_GTP23P2DNRR_finish):
        POP_L( EDI )
        POP_L( ESI )
        RET
#undef FRAME_OFFSET



ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_3d)
GLNAME(_mesa_sse_transform_points2_3d):

#define FRAME_OFFSET 8
        PUSH_L( ESI )
        PUSH_L( EDI )

        MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )      /* ptr to source GLvector4f */
        MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )        /* ptr to dest GLvector4f */

        MOV_L( ARG_MATRIX, EDX )                /* ptr to matrix */
        MOV_L( REGOFF(V4F_COUNT, ESI), ECX )    /* source count */

        TEST_L( ECX, ECX)
        JZ( LLBL(K_GTP23P3DR_finish) )  /* count was zero; go to finish */

        MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )   /* stride */
        OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )       /* set dest flags */

        MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )    /* set dest count */
        MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )        /* set dest size */

        SHL_L( CONST(4), ECX )                  /* count *= 16 */
        MOV_L( REGOFF(V4F_START, ESI), ESI )    /* ptr to first source vertex */

        MOV_L( REGOFF(V4F_START, EDI), EDI )    /* ptr to first dest vertex */
        ADD_L( EDI, ECX )                       /* count += dest ptr */

ALIGNTEXT32
        MOVAPS( M(0), XMM0 )                    /* m2  | m1  | m0 */
        MOVAPS( M(4), XMM1 )                    /* m6  | m5  | m4 */
        MOVAPS( M(12), XMM2 )                   /* m14 | m13 | m12 */

ALIGNTEXT32
LLBL(K_GTP23P3DR_top):
        MOVSS( S(0), XMM3 )                     /* ox */
        SHUFPS( CONST(0x0), XMM3, XMM3 )        /* ox | ox | ox */
        MULPS( XMM0, XMM3 )                     /* ox*m2 | ox*m1 | ox*m0 */

        MOVSS( S(1), XMM4 )                     /* oy */
        SHUFPS( CONST(0x0), XMM4, XMM4 )        /* oy | oy | oy */
        MULPS( XMM1, XMM4 )                     /* oy*m6 | oy*m5 | oy*m4 */

        ADDPS( XMM4, XMM3 )
        ADDPS( XMM2, XMM3 )

        MOVLPS( XMM3, D(0) )                    /* ->D(1) | ->D(0) */
        UNPCKHPS( XMM3, XMM3 )
        MOVSS( XMM3, D(2) )                     /* ->D(2) */

LLBL(K_GTP23P3DR_skip):
        ADD_L( CONST(16), EDI )
        ADD_L( EAX, ESI )
        CMP_L( ECX, EDI )
        JNE( LLBL(K_GTP23P3DR_top) )

LLBL(K_GTP23P3DR_finish):
        POP_L( EDI )
        POP_L( ESI )
        RET
#undef FRAME_OFFSET