src/gallium/drivers/nouveau/nvc0/mme/com9097.mme

   1 /* extrinsrt r1, r2, src, size, dst: replace bits [dst:dst+size) in r1
   2  *  with bits [src:src+size) in r2
   3  *
   4  * bra(n)z annul: no delay slot
   5  */
   6
   7 /* Bitfield version of NVC0_3D_VERTEX_ARRAY_PER_INSTANCE[].
   8  * Args: size, bitfield
   9  */
  10 .section #mme9097_per_instance_bf
  11    parm $r3
  12    mov $r2 0x0
  13    maddr 0x1620
  14 loop:
  15    mov $r1 (add $r1 -1)
  16    send (extrshl $r3 $r2 0x1 0x0)
  17    exit branz $r1 #loop
  18    mov $r2 (add $r2 0x1)
  19
  20 /* The comments above the macros describe what they *should* be doing,
  21  * but we use less functionality for now.
  22  */
  23
  24 /*
  25  * for (i = 0; i < 8; ++i)
  26  *    [NVC0_3D_BLEND_ENABLE(i)] = BIT(i of arg);
  27  *
  28  * [3428] = arg;
  29  *
  30  * if (arg == 0 || [NVC0_3D_MULTISAMPLE_ENABLE] == 0)
  31  *    [0d9c] = 0;
  32  * else
  33  *    [0d9c] = [342c];
  34  */
  35 .section #mme9097_blend_enables
  36    maddr 0x14d8
  37    send (extrinsrt 0x0 $r1 0x0 0x1 0x0)
  38    send (extrinsrt 0x0 $r1 0x1 0x1 0x0)
  39    send (extrinsrt 0x0 $r1 0x2 0x1 0x0)
  40    send (extrinsrt 0x0 $r1 0x3 0x1 0x0)
  41    send (extrinsrt 0x0 $r1 0x4 0x1 0x0)
  42    send (extrinsrt 0x0 $r1 0x5 0x1 0x0)
  43    exit send (extrinsrt 0x0 $r1 0x6 0x1 0x0)
  44    send (extrinsrt 0x0 $r1 0x7 0x1 0x0)
  45
  46 /*
  47  * uint64 limit = (parm(0) << 32) | parm(1);
  48  * uint64 start = (parm(2) << 32);
  49  *
  50  * if (limit) {
  51  *    start |= parm(3);
  52  *    --limit;
  53  * } else {
  54  *    start |= 1;
  55  * }
  56  *
  57  * [0x1c04 + (arg & 0xf) * 16 + 0] = (start >> 32) & 0xff;
  58  * [0x1c04 + (arg & 0xf) * 16 + 4] = start & 0xffffffff;
  59  * [0x1f00 + (arg & 0xf) * 8 + 0] = (limit >> 32) & 0xff;
  60  * [0x1f00 + (arg & 0xf) * 8 + 4] = limit & 0xffffffff;
  61  */
  62 .section #mme9097_vertex_array_select
  63    parm $r2
  64    parm $r3
  65    parm $r4
  66    parm $r5
  67    mov $r6 (extrinsrt 0x0 $r1 0x0 0x4 0x2)
  68    mov $r7 (extrinsrt 0x0 $r1 0x0 0x4 0x1)
  69    maddr $r6 (add $r6 0x1701)
  70    send $r4
  71    send $r5
  72    maddr $r7 (add $r7 0x17c0)
  73    exit send $r2
  74    send $r3
  75
  76 /*
  77  * [GL_POLYGON_MODE_FRONT] = arg;
  78  *
  79  * if (BIT(31 of [0x3410]))
  80  *    [1a24] = 0x7353;
  81  *
  82  * if ([NVC0_3D_SP_SELECT(3)] == 0x31 || [NVC0_3D_SP_SELECT(4)] == 0x41)
  83  *    [02ec] = 0;
  84  * else
  85  * if ([GL_POLYGON_MODE_BACK] == GL_LINE || arg == GL_LINE)
  86  *    [02ec] = BYTE(1 of [0x3410]) << 4;
  87  * else
  88  *    [02ec] = BYTE(0 of [0x3410]) << 4;
  89  */
  90 .section #mme9097_poly_mode_front
  91    read $r2 0x36c
  92    read $r3 0x830
  93    mov $r7 (or $r1 $r2)
  94    read $r4 0x840
  95    mov $r2 0x1
  96    mov $r6 0x60
  97    mov $r7 (and $r7 $r2)
  98    braz $r7 #locn_0a_pmf
  99    maddr 0x36b
 100    mov $r6 0x200
 101 locn_0a_pmf:
 102    mov $r7 (or $r3 $r4)
 103    mov $r7 (and $r7 $r2)
 104    braz $r7 #locn_0f_pmf
 105    send $r1
 106    mov $r6 0x0
 107 locn_0f_pmf:
 108    exit maddr 0xbb
 109    send $r6
 110
 111 /*
 112  * [GL_POLYGON_MODE_BACK] = arg;
 113  *
 114  * if (BIT(31 of [0x3410]))
 115  *    [1a24] = 0x7353;
 116  *
 117  * if ([NVC0_3D_SP_SELECT(3)] == 0x31 || [NVC0_3D_SP_SELECT(4)] == 0x41)
 118  *    [02ec] = 0;
 119  * else
 120  * if ([GL_POLYGON_MODE_FRONT] == GL_LINE || arg == GL_LINE)
 121  *    [02ec] = BYTE(1 of [0x3410]) << 4;
 122  * else
 123  *    [02ec] = BYTE(0 of [0x3410]) << 4;
 124  */
 125 /* NOTE: 0x3410 = 0x80002006 by default,
 126  *  POLYGON_MODE == GL_LINE check replaced by (MODE & 1)
 127  *  SP_SELECT(i) == (i << 4) | 1 check replaced by SP_SELECT(i) & 1
 128  */
 129 .section #mme9097_poly_mode_back
 130    read $r2 0x36b
 131    read $r3 0x830
 132    mov $r7 (or $r1 $r2)
 133    read $r4 0x840
 134    mov $r2 0x1
 135    mov $r6 0x60
 136    mov $r7 (and $r7 $r2)
 137    braz $r7 #locn_0a_pmb
 138    maddr 0x36c
 139    mov $r6 0x200
 140 locn_0a_pmb:
 141    mov $r7 (or $r3 $r4)
 142    mov $r7 (and $r7 $r2)
 143    braz $r7 #locn_0f_pmb
 144    send $r1
 145    mov $r6 0x0
 146 locn_0f_pmb:
 147    exit maddr 0xbb
 148    send $r6
 149
 150 /*
 151  * [NVC0_3D_SP_SELECT(4)] = arg
 152  *
 153  * if BIT(31 of [0x3410]) == 0
 154  *    [1a24] = 0x7353;
 155  *
 156  * if ([NVC0_3D_SP_SELECT(3)] == 0x31 || arg == 0x41)
 157  *    [02ec] = 0
 158  * else
 159  * if (any POLYGON MODE == LINE)
 160  *    [02ec] = BYTE(1 of [3410]) << 4;
 161  * else
 162  *    [02ec] = BYTE(0 of [3410]) << 4; // 02ec valid bits are 0xff1
 163  */
 164 .section #mme9097_gp_select
 165    read $r2 0x36b
 166    read $r3 0x36c
 167    mov $r7 (or $r2 $r3)
 168    read $r4 0x830
 169    mov $r2 0x1
 170    mov $r6 0x60
 171    mov $r7 (and $r7 $r2)
 172    braz $r7 #locn_0a_gs
 173    maddr 0x840
 174    mov $r6 0x200
 175 locn_0a_gs:
 176    mov $r7 (or $r1 $r4)
 177    mov $r7 (and $r7 $r2)
 178    braz $r7 #locn_0f_gs
 179    send $r1
 180    mov $r6 0x0
 181 locn_0f_gs:
 182    exit maddr 0xbb
 183    send $r6
 184
 185 /*
 186  * [NVC0_3D_SP_SELECT(3)] = arg
 187  *
 188  * if BIT(31 of [0x3410]) == 0
 189  *    [1a24] = 0x7353;
 190  *
 191  * if (arg == 0x31) {
 192  *    if (BIT(2 of [0x3430])) {
 193  *       int i = 15; do { --i; } while(i);
 194  *       [0x1a2c] = 0;
 195  *    }
 196  * }
 197  *
 198  * if ([NVC0_3D_SP_SELECT(4)] == 0x41 || arg == 0x31)
 199  *    [02ec] = 0
 200  * else
 201  * if ([any POLYGON_MODE] == GL_LINE)
 202  *    [02ec] = BYTE(1 of [3410]) << 4;
 203  * else
 204  *    [02ec] = BYTE(0 of [3410]) << 4;
 205  */
 206 .section #mme9097_tep_select
 207    read $r2 0x36b
 208    read $r3 0x36c
 209    mov $r7 (or $r2 $r3)
 210    read $r4 0x840
 211    mov $r2 0x1
 212    mov $r6 0x60
 213    mov $r7 (and $r7 $r2)
 214    braz $r7 #locn_0a_ts
 215    maddr 0x830
 216    mov $r6 0x200
 217 locn_0a_ts:
 218    mov $r7 (or $r1 $r4)
 219    mov $r7 (and $r7 $r2)
 220    braz $r7 #locn_0f_ts
 221    send $r1
 222    mov $r6 0x0
 223 locn_0f_ts:
 224    exit maddr 0xbb
 225    send $r6
 226
 227 /* NVC0_3D_MACRO_DRAW_ELEMENTS_INDIRECT
 228  *
 229  * NOTE: Saves and restores VB_ELEMENT,INSTANCE_BASE.
 230  * Forcefully sets VERTEX_ID_BASE to the value of VB_ELEMENT_BASE.
 231  *
 232  * arg     = mode
 233  * parm[0] = count
 234  * parm[1] = instance_count
 235  * parm[2] = start
 236  * parm[3] = index_bias
 237  * parm[4] = start_instance
 238  */
 239 .section #mme9097_draw_elts_indirect
 240    parm $r3 /* count */
 241    parm $r2 /* instance_count */
 242    parm $r4 maddr 0x5f7 /* INDEX_BATCH_FIRST, start */
 243    parm $r4 send $r4 /* index_bias, send start */
 244    maddr 0x8e4 /* CB_DATA */
 245    braz $r2 #dei_end
 246    parm $r5 send $r4 /* start_instance, send index_bias */
 247    send $r5 /* send start_instance */
 248    read $r6 0x50d /* VB_ELEMENT_BASE */
 249    read $r7 0x50e /* VB_INSTANCE_BASE */
 250    maddr 0x150d /* VB_ELEMENT,INSTANCE_BASE */
 251    send $r4
 252    send $r5
 253    maddr 0x446
 254    send $r4
 255    mov $r4 0x1
 256 dei_again:
 257    maddr 0x586 /* VERTEX_BEGIN_GL */
 258    send $r1 /* mode */
 259    maddr 0x5f8 /* INDEX_BATCH_COUNT */
 260    send $r3 /* count */
 261    mov $r2 (sub $r2 $r4)
 262    maddrsend 0x585 /* VERTEX_END_GL */
 263    branz $r2 #dei_again
 264    mov $r1 (extrinsrt $r1 $r4 0 1 26) /* set INSTANCE_NEXT */
 265    maddr 0x150d /* VB_ELEMENT,INSTANCE_BASE */
 266    send $r6
 267    send $r7
 268    exit maddr 0x446
 269    send $r6
 270 dei_end:
 271    exit
 272    nop
 273
 274 /* NVC0_3D_MACRO_DRAW_ARRAYS_INDIRECT:
 275  *
 276  * NOTE: Saves and restores VB_INSTANCE_BASE.
 277  *
 278  * arg     = mode
 279  * parm[0] = count
 280  * parm[1] = instance_count
 281  * parm[2] = start
 282  * parm[3] = start_instance
 283  */
 284 .section #mme9097_draw_arrays_indirect
 285    parm $r2 /* count */
 286    parm $r3 /* instance_count */
 287    parm $r4 maddr 0x35d /* VERTEX_BUFFER_FIRST, start */
 288    braz $r3 #dai_end
 289    parm $r4 send $r4 /* start_instance */
 290    maddrsend 0x8e4 /* CB_DATA, send 0 as base_vertex */
 291    send $r4 /* send start_instance */
 292    read $r6 0x50e /* VB_INSTANCE_BASE */
 293    maddr 0x50e /* VB_INSTANCE_BASE */
 294    mov $r5 0x1
 295    send $r4
 296 dai_again:
 297    maddr 0x586 /* VERTEX_BEGIN_GL */
 298    send $r1 /* mode */
 299    maddr 0x35e /* VERTEX_BUFFER_COUNT */
 300    send $r2
 301    mov $r3 (sub $r3 $r5)
 302    maddrsend 0x585 /* VERTEX_END_GL */
 303    branz $r3 #dai_again
 304    mov $r1 (extrinsrt $r1 $r5 0 1 26) /* set INSTANCE_NEXT */
 305    exit maddr 0x50e /* VB_INSTANCE_BASE to restore */
 306    send $r6
 307 dai_end:
 308    exit
 309    nop