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      1 /*
      2  * Copyright 2010 Christoph Bumiller
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice shall be included in
     12  * all copies or substantial portions of the Software.
     13  *
     14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
     19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     20  * SOFTWARE.
     21  */
     22 
     23 #include "util/u_format.h"
     24 #include "util/u_format_s3tc.h"
     25 #include "pipe/p_screen.h"
     26 
     27 #include "vl/vl_decoder.h"
     28 #include "vl/vl_video_buffer.h"
     29 
     30 #include "nvc0_context.h"
     31 #include "nvc0_screen.h"
     32 
     33 #include "nvc0_graph_macros.h"
     34 
     35 static boolean
     36 nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
     37                                 enum pipe_format format,
     38                                 enum pipe_texture_target target,
     39                                 unsigned sample_count,
     40                                 unsigned bindings)
     41 {
     42    if (sample_count > 8)
     43       return FALSE;
     44    if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
     45       return FALSE;
     46 
     47    if (!util_format_is_supported(format, bindings))
     48       return FALSE;
     49 
     50    switch (format) {
     51    case PIPE_FORMAT_R8G8B8A8_UNORM:
     52    case PIPE_FORMAT_R8G8B8X8_UNORM:
     53       /* HACK: GL requires equal formats for MS resolve and window is BGRA */
     54       if (bindings & PIPE_BIND_RENDER_TARGET)
     55          return FALSE;
     56    default:
     57       break;
     58    }
     59 
     60    /* transfers & shared are always supported */
     61    bindings &= ~(PIPE_BIND_TRANSFER_READ |
     62                  PIPE_BIND_TRANSFER_WRITE |
     63                  PIPE_BIND_SHARED);
     64 
     65    return (nvc0_format_table[format].usage & bindings) == bindings;
     66 }
     67 
     68 static int
     69 nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
     70 {
     71    const uint16_t class_3d = nouveau_screen(pscreen)->class_3d;
     72 
     73    switch (param) {
     74    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
     75       return 16 * PIPE_SHADER_TYPES; /* NOTE: should not count COMPUTE */
     76    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
     77    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
     78       return 15;
     79    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
     80       return 12;
     81    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
     82       return 2048;
     83    case PIPE_CAP_MIN_TEXEL_OFFSET:
     84       return -8;
     85    case PIPE_CAP_MAX_TEXEL_OFFSET:
     86       return 7;
     87    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
     88    case PIPE_CAP_TEXTURE_SWIZZLE:
     89    case PIPE_CAP_TEXTURE_SHADOW_MAP:
     90    case PIPE_CAP_NPOT_TEXTURES:
     91    case PIPE_CAP_ANISOTROPIC_FILTER:
     92    case PIPE_CAP_SEAMLESS_CUBE_MAP:
     93       return 1;
     94    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
     95       return (class_3d >= NVE4_3D_CLASS) ? 1 : 0;
     96    case PIPE_CAP_TWO_SIDED_STENCIL:
     97    case PIPE_CAP_DEPTH_CLIP_DISABLE:
     98    case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
     99    case PIPE_CAP_POINT_SPRITE:
    100       return 1;
    101    case PIPE_CAP_SM3:
    102       return 1;
    103    case PIPE_CAP_GLSL_FEATURE_LEVEL:
    104       return 150;
    105    case PIPE_CAP_MAX_RENDER_TARGETS:
    106       return 8;
    107    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
    108       return 1;
    109    case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
    110    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
    111    case PIPE_CAP_VERTEX_COLOR_CLAMPED:
    112       return 1;
    113    case PIPE_CAP_QUERY_TIMESTAMP:
    114    case PIPE_CAP_TIMER_QUERY:
    115    case PIPE_CAP_OCCLUSION_QUERY:
    116    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
    117       return 1;
    118    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
    119       return 4;
    120    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
    121    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
    122       return 128;
    123    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
    124    case PIPE_CAP_INDEP_BLEND_ENABLE:
    125    case PIPE_CAP_INDEP_BLEND_FUNC:
    126       return 1;
    127    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
    128    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
    129       return 1;
    130    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
    131    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
    132       return 0;
    133    case PIPE_CAP_SHADER_STENCIL_EXPORT:
    134       return 0;
    135    case PIPE_CAP_PRIMITIVE_RESTART:
    136    case PIPE_CAP_TGSI_INSTANCEID:
    137    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
    138    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
    139    case PIPE_CAP_CONDITIONAL_RENDER:
    140    case PIPE_CAP_TEXTURE_BARRIER:
    141    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
    142    case PIPE_CAP_START_INSTANCE:
    143       return 1;
    144    case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
    145    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
    146       return 0; /* state trackers will know better */
    147    case PIPE_CAP_USER_CONSTANT_BUFFERS:
    148    case PIPE_CAP_USER_INDEX_BUFFERS:
    149    case PIPE_CAP_USER_VERTEX_BUFFERS:
    150       return 1;
    151    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
    152       return 256;
    153    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
    154    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
    155    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
    156       return 0;
    157    default:
    158       NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
    159       return 0;
    160    }
    161 }
    162 
    163 static int
    164 nvc0_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
    165                              enum pipe_shader_cap param)
    166 {
    167    switch (shader) {
    168    case PIPE_SHADER_VERTEX:
    169       /*
    170    case PIPE_SHADER_TESSELLATION_CONTROL:
    171    case PIPE_SHADER_TESSELLATION_EVALUATION:
    172       */
    173    case PIPE_SHADER_GEOMETRY:
    174    case PIPE_SHADER_FRAGMENT:
    175       break;
    176    default:
    177       return 0;
    178    }
    179 
    180    switch (param) {
    181    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
    182    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
    183    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
    184    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
    185       return 16384;
    186    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
    187       return 16;
    188    case PIPE_SHADER_CAP_MAX_INPUTS:
    189       if (shader == PIPE_SHADER_VERTEX)
    190          return 32;
    191       if (shader == PIPE_SHADER_FRAGMENT)
    192          return (0x200 + 0x20 + 0x80) / 16; /* generic + colors + TexCoords */
    193       return (0x200 + 0x40 + 0x80) / 16; /* without 0x60 for per-patch inputs */
    194    case PIPE_SHADER_CAP_MAX_CONSTS:
    195       return 65536 / 16;
    196    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
    197       return NVC0_MAX_PIPE_CONSTBUFS;
    198    case PIPE_SHADER_CAP_MAX_ADDRS:
    199       return 1;
    200    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
    201    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
    202       return shader != PIPE_SHADER_FRAGMENT;
    203    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
    204    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
    205       return 1;
    206    case PIPE_SHADER_CAP_MAX_PREDS:
    207       return 0;
    208    case PIPE_SHADER_CAP_MAX_TEMPS:
    209       return NVC0_CAP_MAX_PROGRAM_TEMPS;
    210    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
    211       return 1;
    212    case PIPE_SHADER_CAP_SUBROUTINES:
    213       return 1; /* but inlining everything, we need function declarations */
    214    case PIPE_SHADER_CAP_INTEGERS:
    215       return 1;
    216    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
    217       return 16; /* would be 32 in linked (OpenGL-style) mode */
    218       /*
    219    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLER_VIEWS:
    220       return 32;
    221       */
    222    default:
    223       NOUVEAU_ERR("unknown PIPE_SHADER_CAP %d\n", param);
    224       return 0;
    225    }
    226 }
    227 
    228 static float
    229 nvc0_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
    230 {
    231    switch (param) {
    232    case PIPE_CAPF_MAX_LINE_WIDTH:
    233    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
    234       return 10.0f;
    235    case PIPE_CAPF_MAX_POINT_WIDTH:
    236       return 63.0f;
    237    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
    238       return 63.375f;
    239    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
    240       return 16.0f;
    241    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
    242       return 15.0f;
    243    default:
    244       NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
    245       return 0.0f;
    246    }
    247 }
    248 
    249 static void
    250 nvc0_screen_destroy(struct pipe_screen *pscreen)
    251 {
    252    struct nvc0_screen *screen = nvc0_screen(pscreen);
    253 
    254    if (screen->base.fence.current) {
    255       nouveau_fence_wait(screen->base.fence.current);
    256       nouveau_fence_ref(NULL, &screen->base.fence.current);
    257    }
    258    if (screen->base.pushbuf)
    259       screen->base.pushbuf->user_priv = NULL;
    260 
    261    if (screen->blitctx)
    262       FREE(screen->blitctx);
    263 
    264    nouveau_bo_ref(NULL, &screen->text);
    265    nouveau_bo_ref(NULL, &screen->uniform_bo);
    266    nouveau_bo_ref(NULL, &screen->tls);
    267    nouveau_bo_ref(NULL, &screen->txc);
    268    nouveau_bo_ref(NULL, &screen->fence.bo);
    269    nouveau_bo_ref(NULL, &screen->poly_cache);
    270 
    271    nouveau_heap_destroy(&screen->lib_code);
    272    nouveau_heap_destroy(&screen->text_heap);
    273 
    274    if (screen->tic.entries)
    275       FREE(screen->tic.entries);
    276 
    277    nouveau_mm_destroy(screen->mm_VRAM_fe0);
    278 
    279    nouveau_object_del(&screen->eng3d);
    280    nouveau_object_del(&screen->eng2d);
    281    nouveau_object_del(&screen->m2mf);
    282 
    283    nouveau_screen_fini(&screen->base);
    284 
    285    FREE(screen);
    286 }
    287 
    288 static int
    289 nvc0_graph_set_macro(struct nvc0_screen *screen, uint32_t m, unsigned pos,
    290                      unsigned size, const uint32_t *data)
    291 {
    292    struct nouveau_pushbuf *push = screen->base.pushbuf;
    293 
    294    size /= 4;
    295 
    296    BEGIN_NVC0(push, SUBC_3D(NVC0_GRAPH_MACRO_ID), 2);
    297    PUSH_DATA (push, (m - 0x3800) / 8);
    298    PUSH_DATA (push, pos);
    299    BEGIN_1IC0(push, SUBC_3D(NVC0_GRAPH_MACRO_UPLOAD_POS), size + 1);
    300    PUSH_DATA (push, pos);
    301    PUSH_DATAp(push, data, size);
    302 
    303    return pos + size;
    304 }
    305 
    306 static void
    307 nvc0_magic_3d_init(struct nouveau_pushbuf *push, uint16_t obj_class)
    308 {
    309    BEGIN_NVC0(push, SUBC_3D(0x10cc), 1);
    310    PUSH_DATA (push, 0xff);
    311    BEGIN_NVC0(push, SUBC_3D(0x10e0), 2);
    312    PUSH_DATA (push, 0xff);
    313    PUSH_DATA (push, 0xff);
    314    BEGIN_NVC0(push, SUBC_3D(0x10ec), 2);
    315    PUSH_DATA (push, 0xff);
    316    PUSH_DATA (push, 0xff);
    317    BEGIN_NVC0(push, SUBC_3D(0x074c), 1);
    318    PUSH_DATA (push, 0x3f);
    319 
    320    BEGIN_NVC0(push, SUBC_3D(0x16a8), 1);
    321    PUSH_DATA (push, (3 << 16) | 3);
    322    BEGIN_NVC0(push, SUBC_3D(0x1794), 1);
    323    PUSH_DATA (push, (2 << 16) | 2);
    324    BEGIN_NVC0(push, SUBC_3D(0x0de8), 1);
    325    PUSH_DATA (push, 1);
    326 
    327    BEGIN_NVC0(push, SUBC_3D(0x12ac), 1);
    328    PUSH_DATA (push, 0);
    329    BEGIN_NVC0(push, SUBC_3D(0x0218), 1);
    330    PUSH_DATA (push, 0x10);
    331    BEGIN_NVC0(push, SUBC_3D(0x10fc), 1);
    332    PUSH_DATA (push, 0x10);
    333    BEGIN_NVC0(push, SUBC_3D(0x1290), 1);
    334    PUSH_DATA (push, 0x10);
    335    BEGIN_NVC0(push, SUBC_3D(0x12d8), 2);
    336    PUSH_DATA (push, 0x10);
    337    PUSH_DATA (push, 0x10);
    338    BEGIN_NVC0(push, SUBC_3D(0x1140), 1);
    339    PUSH_DATA (push, 0x10);
    340    BEGIN_NVC0(push, SUBC_3D(0x1610), 1);
    341    PUSH_DATA (push, 0xe);
    342 
    343    BEGIN_NVC0(push, SUBC_3D(0x164c), 1);
    344    PUSH_DATA (push, 1 << 12);
    345    BEGIN_NVC0(push, SUBC_3D(0x030c), 1);
    346    PUSH_DATA (push, 0);
    347    BEGIN_NVC0(push, SUBC_3D(0x0300), 1);
    348    PUSH_DATA (push, 3);
    349 
    350    BEGIN_NVC0(push, SUBC_3D(0x02d0), 1);
    351    PUSH_DATA (push, 0x3fffff);
    352    BEGIN_NVC0(push, SUBC_3D(0x0fdc), 1);
    353    PUSH_DATA (push, 1);
    354    BEGIN_NVC0(push, SUBC_3D(0x19c0), 1);
    355    PUSH_DATA (push, 1);
    356    BEGIN_NVC0(push, SUBC_3D(0x075c), 1);
    357    PUSH_DATA (push, 3);
    358 
    359    if (obj_class >= NVE4_3D_CLASS) {
    360       BEGIN_NVC0(push, SUBC_3D(0x07fc), 1);
    361       PUSH_DATA (push, 1);
    362    }
    363 
    364    /* TODO: find out what software methods 0x1528, 0x1280 and (on nve4) 0x02dc
    365     * are supposed to do */
    366 }
    367 
    368 static void
    369 nvc0_screen_fence_emit(struct pipe_screen *pscreen, u32 *sequence)
    370 {
    371    struct nvc0_screen *screen = nvc0_screen(pscreen);
    372    struct nouveau_pushbuf *push = screen->base.pushbuf;
    373 
    374    /* we need to do it after possible flush in MARK_RING */
    375    *sequence = ++screen->base.fence.sequence;
    376 
    377    BEGIN_NVC0(push, NVC0_3D(QUERY_ADDRESS_HIGH), 4);
    378    PUSH_DATAh(push, screen->fence.bo->offset);
    379    PUSH_DATA (push, screen->fence.bo->offset);
    380    PUSH_DATA (push, *sequence);
    381    PUSH_DATA (push, NVC0_3D_QUERY_GET_FENCE | NVC0_3D_QUERY_GET_SHORT |
    382               (0xf << NVC0_3D_QUERY_GET_UNIT__SHIFT));
    383 }
    384 
    385 static u32
    386 nvc0_screen_fence_update(struct pipe_screen *pscreen)
    387 {
    388    struct nvc0_screen *screen = nvc0_screen(pscreen);
    389    return screen->fence.map[0];
    390 }
    391 
    392 #define FAIL_SCREEN_INIT(str, err)                    \
    393    do {                                               \
    394       NOUVEAU_ERR(str, err);                          \
    395       nvc0_screen_destroy(pscreen);                   \
    396       return NULL;                                    \
    397    } while(0)
    398 
    399 struct pipe_screen *
    400 nvc0_screen_create(struct nouveau_device *dev)
    401 {
    402    struct nvc0_screen *screen;
    403    struct pipe_screen *pscreen;
    404    struct nouveau_object *chan;
    405    struct nouveau_pushbuf *push;
    406    uint32_t obj_class;
    407    int ret;
    408    unsigned i;
    409    union nouveau_bo_config mm_config;
    410 
    411    switch (dev->chipset & ~0xf) {
    412    case 0xc0:
    413    case 0xd0:
    414    case 0xe0:
    415       break;
    416    default:
    417       return NULL;
    418    }
    419 
    420    screen = CALLOC_STRUCT(nvc0_screen);
    421    if (!screen)
    422       return NULL;
    423    pscreen = &screen->base.base;
    424 
    425    ret = nouveau_screen_init(&screen->base, dev);
    426    if (ret) {
    427       nvc0_screen_destroy(pscreen);
    428       return NULL;
    429    }
    430    chan = screen->base.channel;
    431    push = screen->base.pushbuf;
    432    push->user_priv = screen;
    433 
    434    screen->base.vidmem_bindings |= PIPE_BIND_CONSTANT_BUFFER |
    435       PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER;
    436    screen->base.sysmem_bindings |=
    437       PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER;
    438 
    439    pscreen->destroy = nvc0_screen_destroy;
    440    pscreen->context_create = nvc0_create;
    441    pscreen->is_format_supported = nvc0_screen_is_format_supported;
    442    pscreen->get_param = nvc0_screen_get_param;
    443    pscreen->get_shader_param = nvc0_screen_get_shader_param;
    444    pscreen->get_paramf = nvc0_screen_get_paramf;
    445 
    446    nvc0_screen_init_resource_functions(pscreen);
    447 
    448    nouveau_screen_init_vdec(&screen->base);
    449 
    450    ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096, NULL,
    451                         &screen->fence.bo);
    452    if (ret)
    453       goto fail;
    454    nouveau_bo_map(screen->fence.bo, 0, NULL);
    455    screen->fence.map = screen->fence.bo->map;
    456    screen->base.fence.emit = nvc0_screen_fence_emit;
    457    screen->base.fence.update = nvc0_screen_fence_update;
    458 
    459    switch (dev->chipset & 0xf0) {
    460    case 0xe0:
    461       obj_class = NVE4_P2MF_CLASS;
    462       break;
    463    default:
    464       obj_class = NVC0_M2MF_CLASS;
    465       break;
    466    }
    467    ret = nouveau_object_new(chan, 0xbeef323f, obj_class, NULL, 0,
    468                             &screen->m2mf);
    469    if (ret)
    470       FAIL_SCREEN_INIT("Error allocating PGRAPH context for M2MF: %d\n", ret);
    471 
    472    BEGIN_NVC0(push, SUBC_M2MF(NV01_SUBCHAN_OBJECT), 1);
    473    PUSH_DATA (push, screen->m2mf->oclass);
    474    if (screen->m2mf->oclass == NVE4_P2MF_CLASS) {
    475       BEGIN_NVC0(push, SUBC_COPY(NV01_SUBCHAN_OBJECT), 1);
    476       PUSH_DATA (push, 0xa0b5);
    477    }
    478 
    479    ret = nouveau_object_new(chan, 0xbeef902d, NVC0_2D_CLASS, NULL, 0,
    480                             &screen->eng2d);
    481    if (ret)
    482       FAIL_SCREEN_INIT("Error allocating PGRAPH context for 2D: %d\n", ret);
    483 
    484    BEGIN_NVC0(push, SUBC_2D(NV01_SUBCHAN_OBJECT), 1);
    485    PUSH_DATA (push, screen->eng2d->oclass);
    486    BEGIN_NVC0(push, NVC0_2D(OPERATION), 1);
    487    PUSH_DATA (push, NVC0_2D_OPERATION_SRCCOPY);
    488    BEGIN_NVC0(push, NVC0_2D(CLIP_ENABLE), 1);
    489    PUSH_DATA (push, 0);
    490    BEGIN_NVC0(push, NVC0_2D(COLOR_KEY_ENABLE), 1);
    491    PUSH_DATA (push, 0);
    492    BEGIN_NVC0(push, SUBC_2D(0x0884), 1);
    493    PUSH_DATA (push, 0x3f);
    494    BEGIN_NVC0(push, SUBC_2D(0x0888), 1);
    495    PUSH_DATA (push, 1);
    496 
    497    BEGIN_NVC0(push, SUBC_2D(NVC0_GRAPH_NOTIFY_ADDRESS_HIGH), 2);
    498    PUSH_DATAh(push, screen->fence.bo->offset + 16);
    499    PUSH_DATA (push, screen->fence.bo->offset + 16);
    500 
    501    switch (dev->chipset & 0xf0) {
    502    case 0xe0:
    503       obj_class = NVE4_3D_CLASS;
    504       break;
    505    case 0xd0:
    506    case 0xc0:
    507    default:
    508       switch (dev->chipset) {
    509       case 0xd9:
    510       case 0xc8:
    511          obj_class = NVC8_3D_CLASS;
    512          break;
    513       case 0xc1:
    514          obj_class = NVC1_3D_CLASS;
    515          break;
    516       default:
    517          obj_class = NVC0_3D_CLASS;
    518          break;
    519       }
    520       break;
    521    }
    522    ret = nouveau_object_new(chan, 0xbeef003d, obj_class, NULL, 0,
    523                             &screen->eng3d);
    524    if (ret)
    525       FAIL_SCREEN_INIT("Error allocating PGRAPH context for 3D: %d\n", ret);
    526    screen->base.class_3d = obj_class;
    527 
    528    BEGIN_NVC0(push, SUBC_3D(NV01_SUBCHAN_OBJECT), 1);
    529    PUSH_DATA (push, screen->eng3d->oclass);
    530 
    531    BEGIN_NVC0(push, NVC0_3D(COND_MODE), 1);
    532    PUSH_DATA (push, NVC0_3D_COND_MODE_ALWAYS);
    533 
    534    if (debug_get_bool_option("NOUVEAU_SHADER_WATCHDOG", TRUE)) {
    535       /* kill shaders after about 1 second (at 100 MHz) */
    536       BEGIN_NVC0(push, NVC0_3D(WATCHDOG_TIMER), 1);
    537       PUSH_DATA (push, 0x17);
    538    }
    539 
    540    BEGIN_NVC0(push, NVC0_3D(RT_CONTROL), 1);
    541    PUSH_DATA (push, 1);
    542 
    543    BEGIN_NVC0(push, NVC0_3D(CSAA_ENABLE), 1);
    544    PUSH_DATA (push, 0);
    545    BEGIN_NVC0(push, NVC0_3D(MULTISAMPLE_ENABLE), 1);
    546    PUSH_DATA (push, 0);
    547    BEGIN_NVC0(push, NVC0_3D(MULTISAMPLE_MODE), 1);
    548    PUSH_DATA (push, NVC0_3D_MULTISAMPLE_MODE_MS1);
    549    BEGIN_NVC0(push, NVC0_3D(MULTISAMPLE_CTRL), 1);
    550    PUSH_DATA (push, 0);
    551    BEGIN_NVC0(push, NVC0_3D(LINE_WIDTH_SEPARATE), 1);
    552    PUSH_DATA (push, 1);
    553    BEGIN_NVC0(push, NVC0_3D(LINE_LAST_PIXEL), 1);
    554    PUSH_DATA (push, 0);
    555    BEGIN_NVC0(push, NVC0_3D(BLEND_SEPARATE_ALPHA), 1);
    556    PUSH_DATA (push, 1);
    557    BEGIN_NVC0(push, NVC0_3D(BLEND_ENABLE_COMMON), 1);
    558    PUSH_DATA (push, 0);
    559    if (screen->eng3d->oclass < NVE4_3D_CLASS) {
    560       BEGIN_NVC0(push, NVC0_3D(TEX_MISC), 1);
    561       PUSH_DATA (push, NVC0_3D_TEX_MISC_SEAMLESS_CUBE_MAP);
    562    } else {
    563       BEGIN_NVC0(push, NVE4_3D(TEX_CB_INDEX), 1);
    564       PUSH_DATA (push, 15);
    565    }
    566    BEGIN_NVC0(push, NVC0_3D(CALL_LIMIT_LOG), 1);
    567    PUSH_DATA (push, 8); /* 128 */
    568    BEGIN_NVC0(push, NVC0_3D(ZCULL_STATCTRS_ENABLE), 1);
    569    PUSH_DATA (push, 1);
    570    if (screen->eng3d->oclass >= NVC1_3D_CLASS) {
    571       BEGIN_NVC0(push, NVC0_3D(CACHE_SPLIT), 1);
    572       PUSH_DATA (push, NVC0_3D_CACHE_SPLIT_48K_SHARED_16K_L1);
    573    }
    574 
    575    nvc0_magic_3d_init(push, screen->eng3d->oclass);
    576 
    577    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 17, 1 << 20, NULL,
    578                         &screen->text);
    579    if (ret)
    580       goto fail;
    581 
    582    /* XXX: getting a page fault at the end of the code buffer every few
    583     *  launches, don't use the last 256 bytes to work around them - prefetch ?
    584     */
    585    nouveau_heap_init(&screen->text_heap, 0, (1 << 20) - 0x100);
    586 
    587    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 12, 6 << 16, NULL,
    588                         &screen->uniform_bo);
    589    if (ret)
    590       goto fail;
    591 
    592    for (i = 0; i < 5; ++i) {
    593       /* TIC and TSC entries for each unit (nve4+ only) */
    594       /* auxiliary constants (6 user clip planes, base instance id) */
    595       BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
    596       PUSH_DATA (push, 512);
    597       PUSH_DATAh(push, screen->uniform_bo->offset + (5 << 16) + (i << 9));
    598       PUSH_DATA (push, screen->uniform_bo->offset + (5 << 16) + (i << 9));
    599       BEGIN_NVC0(push, NVC0_3D(CB_BIND(i)), 1);
    600       PUSH_DATA (push, (15 << 4) | 1);
    601       if (screen->eng3d->oclass >= NVE4_3D_CLASS) {
    602          unsigned j;
    603          BEGIN_1IC0(push, NVC0_3D(CB_POS), 9);
    604          PUSH_DATA (push, 0);
    605          for (j = 0; j < 8; ++j)
    606             PUSH_DATA(push, j);
    607       } else {
    608          BEGIN_NVC0(push, NVC0_3D(TEX_LIMITS(i)), 1);
    609          PUSH_DATA (push, 0x54);
    610       }
    611    }
    612    BEGIN_NVC0(push, NVC0_3D(LINKED_TSC), 1);
    613    PUSH_DATA (push, 0);
    614 
    615    /* return { 0.0, 0.0, 0.0, 0.0 } for out-of-bounds vtxbuf access */
    616    BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
    617    PUSH_DATA (push, 256);
    618    PUSH_DATAh(push, screen->uniform_bo->offset + (5 << 16) + (6 << 9));
    619    PUSH_DATA (push, screen->uniform_bo->offset + (5 << 16) + (6 << 9));
    620    BEGIN_1IC0(push, NVC0_3D(CB_POS), 5);
    621    PUSH_DATA (push, 0);
    622    PUSH_DATAf(push, 0.0f);
    623    PUSH_DATAf(push, 0.0f);
    624    PUSH_DATAf(push, 0.0f);
    625    PUSH_DATAf(push, 0.0f);
    626    BEGIN_NVC0(push, NVC0_3D(VERTEX_RUNOUT_ADDRESS_HIGH), 2);
    627    PUSH_DATAh(push, screen->uniform_bo->offset + (5 << 16) + (6 << 9));
    628    PUSH_DATA (push, screen->uniform_bo->offset + (5 << 16) + (6 << 9));
    629 
    630    /* max MPs * max warps per MP (TODO: ask kernel) */
    631    if (screen->eng3d->oclass >= NVE4_3D_CLASS)
    632       screen->tls_size = 8 * 64;
    633    else
    634       screen->tls_size = 16 * 48;
    635    screen->tls_size *= NVC0_CAP_MAX_PROGRAM_TEMPS * 16;
    636    screen->tls_size = align(screen->tls_size, 1 << 17);
    637 
    638    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 17,
    639                         screen->tls_size, NULL, &screen->tls);
    640    if (ret)
    641       goto fail;
    642 
    643    BEGIN_NVC0(push, NVC0_3D(CODE_ADDRESS_HIGH), 2);
    644    PUSH_DATAh(push, screen->text->offset);
    645    PUSH_DATA (push, screen->text->offset);
    646    BEGIN_NVC0(push, NVC0_3D(TEMP_ADDRESS_HIGH), 4);
    647    PUSH_DATAh(push, screen->tls->offset);
    648    PUSH_DATA (push, screen->tls->offset);
    649    PUSH_DATA (push, screen->tls_size >> 32);
    650    PUSH_DATA (push, screen->tls_size);
    651    BEGIN_NVC0(push, NVC0_3D(WARP_TEMP_ALLOC), 1);
    652    PUSH_DATA (push, 0);
    653    BEGIN_NVC0(push, NVC0_3D(LOCAL_BASE), 1);
    654    PUSH_DATA (push, 0);
    655 
    656    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 17, 1 << 20, NULL,
    657                         &screen->poly_cache);
    658    if (ret)
    659       goto fail;
    660 
    661    BEGIN_NVC0(push, NVC0_3D(VERTEX_QUARANTINE_ADDRESS_HIGH), 3);
    662    PUSH_DATAh(push, screen->poly_cache->offset);
    663    PUSH_DATA (push, screen->poly_cache->offset);
    664    PUSH_DATA (push, 3);
    665 
    666    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 17, 1 << 17, NULL,
    667                         &screen->txc);
    668    if (ret)
    669       goto fail;
    670 
    671    BEGIN_NVC0(push, NVC0_3D(TIC_ADDRESS_HIGH), 3);
    672    PUSH_DATAh(push, screen->txc->offset);
    673    PUSH_DATA (push, screen->txc->offset);
    674    PUSH_DATA (push, NVC0_TIC_MAX_ENTRIES - 1);
    675 
    676    BEGIN_NVC0(push, NVC0_3D(TSC_ADDRESS_HIGH), 3);
    677    PUSH_DATAh(push, screen->txc->offset + 65536);
    678    PUSH_DATA (push, screen->txc->offset + 65536);
    679    PUSH_DATA (push, NVC0_TSC_MAX_ENTRIES - 1);
    680 
    681    BEGIN_NVC0(push, NVC0_3D(SCREEN_Y_CONTROL), 1);
    682    PUSH_DATA (push, 0);
    683    BEGIN_NVC0(push, NVC0_3D(WINDOW_OFFSET_X), 2);
    684    PUSH_DATA (push, 0);
    685    PUSH_DATA (push, 0);
    686    BEGIN_NVC0(push, NVC0_3D(ZCULL_REGION), 1); /* deactivate ZCULL */
    687    PUSH_DATA (push, 0x3f);
    688 
    689    BEGIN_NVC0(push, NVC0_3D(CLIP_RECTS_MODE), 1);
    690    PUSH_DATA (push, NVC0_3D_CLIP_RECTS_MODE_INSIDE_ANY);
    691    BEGIN_NVC0(push, NVC0_3D(CLIP_RECT_HORIZ(0)), 8 * 2);
    692    for (i = 0; i < 8 * 2; ++i)
    693       PUSH_DATA(push, 0);
    694    BEGIN_NVC0(push, NVC0_3D(CLIP_RECTS_EN), 1);
    695    PUSH_DATA (push, 0);
    696    BEGIN_NVC0(push, NVC0_3D(CLIPID_ENABLE), 1);
    697    PUSH_DATA (push, 0);
    698 
    699    /* neither scissors, viewport nor stencil mask should affect clears */
    700    BEGIN_NVC0(push, NVC0_3D(CLEAR_FLAGS), 1);
    701    PUSH_DATA (push, 0);
    702 
    703    BEGIN_NVC0(push, NVC0_3D(VIEWPORT_TRANSFORM_EN), 1);
    704    PUSH_DATA (push, 1);
    705    BEGIN_NVC0(push, NVC0_3D(DEPTH_RANGE_NEAR(0)), 2);
    706    PUSH_DATAf(push, 0.0f);
    707    PUSH_DATAf(push, 1.0f);
    708    BEGIN_NVC0(push, NVC0_3D(VIEW_VOLUME_CLIP_CTRL), 1);
    709    PUSH_DATA (push, NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1);
    710 
    711    /* We use scissors instead of exact view volume clipping,
    712     * so they're always enabled.
    713     */
    714    BEGIN_NVC0(push, NVC0_3D(SCISSOR_ENABLE(0)), 3);
    715    PUSH_DATA (push, 1);
    716    PUSH_DATA (push, 8192 << 16);
    717    PUSH_DATA (push, 8192 << 16);
    718 
    719 #define MK_MACRO(m, n) i = nvc0_graph_set_macro(screen, m, i, sizeof(n), n);
    720 
    721    i = 0;
    722    MK_MACRO(NVC0_3D_MACRO_VERTEX_ARRAY_PER_INSTANCE, nvc0_9097_per_instance_bf);
    723    MK_MACRO(NVC0_3D_MACRO_BLEND_ENABLES, nvc0_9097_blend_enables);
    724    MK_MACRO(NVC0_3D_MACRO_VERTEX_ARRAY_SELECT, nvc0_9097_vertex_array_select);
    725    MK_MACRO(NVC0_3D_MACRO_TEP_SELECT, nvc0_9097_tep_select);
    726    MK_MACRO(NVC0_3D_MACRO_GP_SELECT, nvc0_9097_gp_select);
    727    MK_MACRO(NVC0_3D_MACRO_POLYGON_MODE_FRONT, nvc0_9097_poly_mode_front);
    728    MK_MACRO(NVC0_3D_MACRO_POLYGON_MODE_BACK, nvc0_9097_poly_mode_back);
    729 
    730    BEGIN_NVC0(push, NVC0_3D(RASTERIZE_ENABLE), 1);
    731    PUSH_DATA (push, 1);
    732    BEGIN_NVC0(push, NVC0_3D(RT_SEPARATE_FRAG_DATA), 1);
    733    PUSH_DATA (push, 1);
    734    BEGIN_NVC0(push, NVC0_3D(MACRO_GP_SELECT), 1);
    735    PUSH_DATA (push, 0x40);
    736    BEGIN_NVC0(push, NVC0_3D(LAYER), 1);
    737    PUSH_DATA (push, 0);
    738    BEGIN_NVC0(push, NVC0_3D(MACRO_TEP_SELECT), 1);
    739    PUSH_DATA (push, 0x30);
    740    BEGIN_NVC0(push, NVC0_3D(PATCH_VERTICES), 1);
    741    PUSH_DATA (push, 3);
    742    BEGIN_NVC0(push, NVC0_3D(SP_SELECT(2)), 1);
    743    PUSH_DATA (push, 0x20);
    744    BEGIN_NVC0(push, NVC0_3D(SP_SELECT(0)), 1);
    745    PUSH_DATA (push, 0x00);
    746 
    747    BEGIN_NVC0(push, NVC0_3D(POINT_COORD_REPLACE), 1);
    748    PUSH_DATA (push, 0);
    749    BEGIN_NVC0(push, NVC0_3D(POINT_RASTER_RULES), 1);
    750    PUSH_DATA (push, NVC0_3D_POINT_RASTER_RULES_OGL);
    751 
    752    IMMED_NVC0(push, NVC0_3D(EDGEFLAG), 1);
    753 
    754    PUSH_KICK (push);
    755 
    756    screen->tic.entries = CALLOC(4096, sizeof(void *));
    757    screen->tsc.entries = screen->tic.entries + 2048;
    758 
    759    mm_config.nvc0.tile_mode = 0;
    760    mm_config.nvc0.memtype = 0xfe0;
    761    screen->mm_VRAM_fe0 = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
    762 
    763    if (!nvc0_blitctx_create(screen))
    764       goto fail;
    765 
    766    nouveau_fence_new(&screen->base, &screen->base.fence.current, FALSE);
    767 
    768    return pscreen;
    769 
    770 fail:
    771    nvc0_screen_destroy(pscreen);
    772    return NULL;
    773 }
    774 
    775 int
    776 nvc0_screen_tic_alloc(struct nvc0_screen *screen, void *entry)
    777 {
    778    int i = screen->tic.next;
    779 
    780    while (screen->tic.lock[i / 32] & (1 << (i % 32)))
    781       i = (i + 1) & (NVC0_TIC_MAX_ENTRIES - 1);
    782 
    783    screen->tic.next = (i + 1) & (NVC0_TIC_MAX_ENTRIES - 1);
    784 
    785    if (screen->tic.entries[i])
    786       nv50_tic_entry(screen->tic.entries[i])->id = -1;
    787 
    788    screen->tic.entries[i] = entry;
    789    return i;
    790 }
    791 
    792 int
    793 nvc0_screen_tsc_alloc(struct nvc0_screen *screen, void *entry)
    794 {
    795    int i = screen->tsc.next;
    796 
    797    while (screen->tsc.lock[i / 32] & (1 << (i % 32)))
    798       i = (i + 1) & (NVC0_TSC_MAX_ENTRIES - 1);
    799 
    800    screen->tsc.next = (i + 1) & (NVC0_TSC_MAX_ENTRIES - 1);
    801 
    802    if (screen->tsc.entries[i])
    803       nv50_tsc_entry(screen->tsc.entries[i])->id = -1;
    804 
    805    screen->tsc.entries[i] = entry;
    806    return i;
    807 }
    808