src/gallium/drivers/etnaviv/etnaviv_screen.c

   1 /*
   2  * Copyright (c) 2012-2015 Etnaviv Project
   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, sub license,
   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 (including the
  12  * next paragraph) shall be included in all copies or substantial portions
  13  * of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Wladimir J. van der Laan <laanwj@gmail.com>
  25  *    Christian Gmeiner <christian.gmeiner@gmail.com>
  26  */
  27
  28 #include "etnaviv_screen.h"
  29
  30 #include "hw/common.xml.h"
  31
  32 #include "etnaviv_compiler.h"
  33 #include "etnaviv_context.h"
  34 #include "etnaviv_debug.h"
  35 #include "etnaviv_fence.h"
  36 #include "etnaviv_format.h"
  37 #include "etnaviv_query.h"
  38 #include "etnaviv_resource.h"
  39 #include "etnaviv_translate.h"
  40
  41 #include "util/os_time.h"
  42 #include "util/u_math.h"
  43 #include "util/u_memory.h"
  44 #include "util/u_string.h"
  45
  46 #include "state_tracker/drm_driver.h"
  47
  48 #include <drm_fourcc.h>
  49
  50 #define ETNA_DRM_VERSION(major, minor) ((major) << 16 | (minor))
  51 #define ETNA_DRM_VERSION_FENCE_FD      ETNA_DRM_VERSION(1, 1)
  52
  53 static const struct debug_named_value debug_options[] = {
  54    {"dbg_msgs",       ETNA_DBG_MSGS, "Print debug messages"},
  55    {"frame_msgs",     ETNA_DBG_FRAME_MSGS, "Print frame messages"},
  56    {"resource_msgs",  ETNA_DBG_RESOURCE_MSGS, "Print resource messages"},
  57    {"compiler_msgs",  ETNA_DBG_COMPILER_MSGS, "Print compiler messages"},
  58    {"linker_msgs",    ETNA_DBG_LINKER_MSGS, "Print linker messages"},
  59    {"dump_shaders",   ETNA_DBG_DUMP_SHADERS, "Dump shaders"},
  60    {"no_ts",          ETNA_DBG_NO_TS, "Disable TS"},
  61    {"no_autodisable", ETNA_DBG_NO_AUTODISABLE, "Disable autodisable"},
  62    {"no_supertile",   ETNA_DBG_NO_SUPERTILE, "Disable supertiles"},
  63    {"no_early_z",     ETNA_DBG_NO_EARLY_Z, "Disable early z"},
  64    {"cflush_all",     ETNA_DBG_CFLUSH_ALL, "Flush every cash before state update"},
  65    {"msaa2x",         ETNA_DBG_MSAA_2X, "Force 2x msaa"},
  66    {"msaa4x",         ETNA_DBG_MSAA_4X, "Force 4x msaa"},
  67    {"flush_all",      ETNA_DBG_FLUSH_ALL, "Flush after every rendered primitive"},
  68    {"zero",           ETNA_DBG_ZERO, "Zero all resources after allocation"},
  69    {"draw_stall",     ETNA_DBG_DRAW_STALL, "Stall FE/PE after each rendered primitive"},
  70    {"shaderdb",       ETNA_DBG_SHADERDB, "Enable shaderdb output"},
  71    DEBUG_NAMED_VALUE_END
  72 };
  73
  74 DEBUG_GET_ONCE_FLAGS_OPTION(etna_mesa_debug, "ETNA_MESA_DEBUG", debug_options, 0)
  75 int etna_mesa_debug = 0;
  76
  77 static void
  78 etna_screen_destroy(struct pipe_screen *pscreen)
  79 {
  80    struct etna_screen *screen = etna_screen(pscreen);
  81
  82    if (screen->pipe)
  83       etna_pipe_del(screen->pipe);
  84
  85    if (screen->gpu)
  86       etna_gpu_del(screen->gpu);
  87
  88    if (screen->ro)
  89       FREE(screen->ro);
  90
  91    if (screen->dev)
  92       etna_device_del(screen->dev);
  93
  94    FREE(screen);
  95 }
  96
  97 static const char *
  98 etna_screen_get_name(struct pipe_screen *pscreen)
  99 {
 100    struct etna_screen *priv = etna_screen(pscreen);
 101    static char buffer[128];
 102
 103    util_snprintf(buffer, sizeof(buffer), "Vivante GC%x rev %04x", priv->model,
 104                  priv->revision);
 105
 106    return buffer;
 107 }
 108
 109 static const char *
 110 etna_screen_get_vendor(struct pipe_screen *pscreen)
 111 {
 112    return "etnaviv";
 113 }
 114
 115 static const char *
 116 etna_screen_get_device_vendor(struct pipe_screen *pscreen)
 117 {
 118    return "Vivante";
 119 }
 120
 121 static int
 122 etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 123 {
 124    struct etna_screen *screen = etna_screen(pscreen);
 125
 126    switch (param) {
 127    /* Supported features (boolean caps). */
 128    case PIPE_CAP_ANISOTROPIC_FILTER:
 129    case PIPE_CAP_POINT_SPRITE:
 130    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 131    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 132    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 133    case PIPE_CAP_SM3:
 134    case PIPE_CAP_TEXTURE_BARRIER:
 135    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 136    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 137    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 138    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 139    case PIPE_CAP_USER_CONSTANT_BUFFERS:
 140    case PIPE_CAP_TGSI_TEXCOORD:
 141    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 142       return 1;
 143    case PIPE_CAP_NATIVE_FENCE_FD:
 144       return screen->drm_version >= ETNA_DRM_VERSION_FENCE_FD;
 145
 146    /* Memory */
 147    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 148       return 256;
 149    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 150       return 4; /* XXX could easily be supported */
 151    case PIPE_CAP_GLSL_FEATURE_LEVEL:
 152       return 120;
 153
 154    case PIPE_CAP_NPOT_TEXTURES:
 155       return true; /* VIV_FEATURE(priv->dev, chipMinorFeatures1,
 156                       NON_POWER_OF_TWO); */
 157
 158    case PIPE_CAP_TEXTURE_SWIZZLE:
 159    case PIPE_CAP_PRIMITIVE_RESTART:
 160       return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 161
 162    case PIPE_CAP_ENDIANNESS:
 163       return PIPE_ENDIAN_LITTLE; /* on most Viv hw this is configurable (feature
 164                                     ENDIANNESS_CONFIG) */
 165
 166    /* Unsupported features. */
 167    case PIPE_CAP_SEAMLESS_CUBE_MAP:
 168    case PIPE_CAP_COMPUTE: /* XXX supported on gc2000 */
 169    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: /* only one colorbuffer supported, so mixing makes no sense */
 170    case PIPE_CAP_CONDITIONAL_RENDER: /* no occlusion queries */
 171    case PIPE_CAP_TGSI_INSTANCEID: /* no idea, really */
 172    case PIPE_CAP_START_INSTANCE: /* instancing not supported AFAIK */
 173    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: /* instancing not supported AFAIK */
 174    case PIPE_CAP_SHADER_STENCIL_EXPORT: /* Fragment shader cannot export stencil value */
 175    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: /* no dual-source supported */
 176    case PIPE_CAP_TEXTURE_MULTISAMPLE: /* no texture multisample */
 177    case PIPE_CAP_TEXTURE_MIRROR_CLAMP: /* only mirrored repeat */
 178    case PIPE_CAP_INDEP_BLEND_ENABLE:
 179    case PIPE_CAP_INDEP_BLEND_FUNC:
 180    case PIPE_CAP_DEPTH_CLIP_DISABLE:
 181    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 182    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 183    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 184    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: /* Don't skip strict max uniform limit check */
 185    case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 186    case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 187    case PIPE_CAP_USER_VERTEX_BUFFERS:
 188    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 189    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 190    case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 191    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: /* TODO: test me out with piglit */
 192    case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 193    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 194    case PIPE_CAP_TEXTURE_GATHER_SM5:
 195    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 196    case PIPE_CAP_FAKE_SW_MSAA:
 197    case PIPE_CAP_TEXTURE_QUERY_LOD:
 198    case PIPE_CAP_SAMPLE_SHADING:
 199    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 200    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 201    case PIPE_CAP_DRAW_INDIRECT:
 202    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 203    case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 204    case PIPE_CAP_SAMPLER_VIEW_TARGET:
 205    case PIPE_CAP_CLIP_HALFZ:
 206    case PIPE_CAP_VERTEXID_NOBASE:
 207    case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 208    case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 209    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 210    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 211    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 212    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 213    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 214    case PIPE_CAP_DEPTH_BOUNDS_TEST:
 215    case PIPE_CAP_TGSI_TXQS:
 216    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 217    case PIPE_CAP_SHAREABLE_SHADERS:
 218    case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 219    case PIPE_CAP_CLEAR_TEXTURE:
 220    case PIPE_CAP_DRAW_PARAMETERS:
 221    case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 222    case PIPE_CAP_MULTI_DRAW_INDIRECT:
 223    case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 224    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 225    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 226    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 227    case PIPE_CAP_INVALIDATE_BUFFER:
 228    case PIPE_CAP_GENERATE_MIPMAP:
 229    case PIPE_CAP_STRING_MARKER:
 230    case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 231    case PIPE_CAP_QUERY_BUFFER_OBJECT:
 232    case PIPE_CAP_QUERY_MEMORY_INFO:
 233    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 234    case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 235    case PIPE_CAP_CULL_DISTANCE:
 236    case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 237    case PIPE_CAP_TGSI_VOTE:
 238    case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 239    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 240    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 241    case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 242    case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 243    case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
 244    case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 245    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 246    case PIPE_CAP_TGSI_FS_FBFETCH:
 247    case PIPE_CAP_TGSI_MUL_ZERO_WINS:
 248    case PIPE_CAP_DOUBLES:
 249    case PIPE_CAP_INT64:
 250    case PIPE_CAP_INT64_DIVMOD:
 251    case PIPE_CAP_TGSI_TEX_TXF_LZ:
 252    case PIPE_CAP_TGSI_CLOCK:
 253    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
 254    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
 255    case PIPE_CAP_TGSI_BALLOT:
 256    case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
 257    case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
 258    case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
 259    case PIPE_CAP_POST_DEPTH_COVERAGE:
 260    case PIPE_CAP_BINDLESS_TEXTURE:
 261    case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
 262    case PIPE_CAP_QUERY_SO_OVERFLOW:
 263    case PIPE_CAP_MEMOBJ:
 264    case PIPE_CAP_LOAD_CONSTBUF:
 265    case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
 266    case PIPE_CAP_TILE_RASTER_ORDER:
 267    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
 268    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 269    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
 270       return 0;
 271
 272    /* Stream output. */
 273    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 274    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 275    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 276    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 277       return 0;
 278
 279    /* Geometry shader output, unsupported. */
 280    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 281    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 282    case PIPE_CAP_MAX_VERTEX_STREAMS:
 283       return 0;
 284
 285    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 286       return 128;
 287
 288    /* Texturing. */
 289    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 290    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 291    {
 292       int log2_max_tex_size = util_last_bit(screen->specs.max_texture_size);
 293       assert(log2_max_tex_size > 0);
 294       return log2_max_tex_size;
 295    }
 296    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: /* 3D textures not supported - fake it */
 297       return 5;
 298    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 299       return 0;
 300    case PIPE_CAP_CUBE_MAP_ARRAY:
 301       return 0;
 302    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 303    case PIPE_CAP_MIN_TEXEL_OFFSET:
 304       return -8;
 305    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 306    case PIPE_CAP_MAX_TEXEL_OFFSET:
 307       return 7;
 308    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 309       return 0;
 310    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 311       return 65536;
 312
 313    /* Render targets. */
 314    case PIPE_CAP_MAX_RENDER_TARGETS:
 315       return 1;
 316
 317    /* Viewports and scissors. */
 318    case PIPE_CAP_MAX_VIEWPORTS:
 319       return 1;
 320
 321    /* Timer queries. */
 322    case PIPE_CAP_QUERY_TIME_ELAPSED:
 323       return 0;
 324    case PIPE_CAP_OCCLUSION_QUERY:
 325       return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 326    case PIPE_CAP_QUERY_TIMESTAMP:
 327       return 1;
 328    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 329       return 0;
 330
 331    /* Preferences */
 332    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 333       return 0;
 334
 335    case PIPE_CAP_PCI_GROUP:
 336    case PIPE_CAP_PCI_BUS:
 337    case PIPE_CAP_PCI_DEVICE:
 338    case PIPE_CAP_PCI_FUNCTION:
 339       return 0;
 340    case PIPE_CAP_VENDOR_ID:
 341    case PIPE_CAP_DEVICE_ID:
 342       return 0xFFFFFFFF;
 343    case PIPE_CAP_ACCELERATED:
 344       return 1;
 345    case PIPE_CAP_VIDEO_MEMORY:
 346       return 0;
 347    case PIPE_CAP_UMA:
 348       return 1;
 349    }
 350
 351    debug_printf("unknown param %d", param);
 352    return 0;
 353 }
 354
 355 static float
 356 etna_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 357 {
 358    struct etna_screen *screen = etna_screen(pscreen);
 359
 360    switch (param) {
 361    case PIPE_CAPF_MAX_LINE_WIDTH:
 362    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 363    case PIPE_CAPF_MAX_POINT_WIDTH:
 364    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 365       return 8192.0f;
 366    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 367       return 16.0f;
 368    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 369       return util_last_bit(screen->specs.max_texture_size);
 370    case PIPE_CAPF_GUARD_BAND_LEFT:
 371    case PIPE_CAPF_GUARD_BAND_TOP:
 372    case PIPE_CAPF_GUARD_BAND_RIGHT:
 373    case PIPE_CAPF_GUARD_BAND_BOTTOM:
 374       return 0.0f;
 375    }
 376
 377    debug_printf("unknown paramf %d", param);
 378    return 0;
 379 }
 380
 381 static int
 382 etna_screen_get_shader_param(struct pipe_screen *pscreen,
 383                              enum pipe_shader_type shader,
 384                              enum pipe_shader_cap param)
 385 {
 386    struct etna_screen *screen = etna_screen(pscreen);
 387
 388    switch (shader) {
 389    case PIPE_SHADER_FRAGMENT:
 390    case PIPE_SHADER_VERTEX:
 391       break;
 392    case PIPE_SHADER_COMPUTE:
 393    case PIPE_SHADER_GEOMETRY:
 394    case PIPE_SHADER_TESS_CTRL:
 395    case PIPE_SHADER_TESS_EVAL:
 396       return 0;
 397    default:
 398       DBG("unknown shader type %d", shader);
 399       return 0;
 400    }
 401
 402    switch (param) {
 403    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 404    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 405    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 406    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 407       return ETNA_MAX_TOKENS;
 408    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 409       return ETNA_MAX_DEPTH; /* XXX */
 410    case PIPE_SHADER_CAP_MAX_INPUTS:
 411       /* Maximum number of inputs for the vertex shader is the number
 412        * of vertex elements - each element defines one vertex shader
 413        * input register.  For the fragment shader, this is the number
 414        * of varyings. */
 415       return shader == PIPE_SHADER_FRAGMENT ? screen->specs.max_varyings
 416                                             : screen->specs.vertex_max_elements;
 417    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 418       return 16; /* see VIVS_VS_OUTPUT */
 419    case PIPE_SHADER_CAP_MAX_TEMPS:
 420       return 64; /* Max native temporaries. */
 421    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 422       return 1;
 423    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 424       return 1;
 425    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 426    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 427    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 428    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 429       return 1;
 430    case PIPE_SHADER_CAP_SUBROUTINES:
 431       return 0;
 432    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 433       return VIV_FEATURE(screen, chipMinorFeatures0, HAS_SQRT_TRIG);
 434    case PIPE_SHADER_CAP_INTEGERS:
 435    case PIPE_SHADER_CAP_INT64_ATOMICS:
 436    case PIPE_SHADER_CAP_FP16:
 437       return 0;
 438    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 439    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 440       return shader == PIPE_SHADER_FRAGMENT
 441                 ? screen->specs.fragment_sampler_count
 442                 : screen->specs.vertex_sampler_count;
 443    case PIPE_SHADER_CAP_PREFERRED_IR:
 444       return PIPE_SHADER_IR_TGSI;
 445    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 446       return 4096;
 447    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 448    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 449    case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 450    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 451    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 452       return false;
 453    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 454       return 0;
 455    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 456       return 32;
 457    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 458    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 459    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 460    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 461    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 462    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 463       return 0;
 464    }
 465
 466    debug_printf("unknown shader param %d", param);
 467    return 0;
 468 }
 469
 470 static uint64_t
 471 etna_screen_get_timestamp(struct pipe_screen *pscreen)
 472 {
 473    return os_time_get_nano();
 474 }
 475
 476 static bool
 477 gpu_supports_texure_format(struct etna_screen *screen, uint32_t fmt,
 478                            enum pipe_format format)
 479 {
 480    bool supported = true;
 481
 482    if (fmt == TEXTURE_FORMAT_ETC1)
 483       supported = VIV_FEATURE(screen, chipFeatures, ETC1_TEXTURE_COMPRESSION);
 484
 485    if (fmt >= TEXTURE_FORMAT_DXT1 && fmt <= TEXTURE_FORMAT_DXT4_DXT5)
 486       supported = VIV_FEATURE(screen, chipFeatures, DXT_TEXTURE_COMPRESSION);
 487
 488    if (util_format_is_srgb(format))
 489       supported = VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 490
 491    if (fmt & EXT_FORMAT) {
 492       supported = VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 493
 494       /* ETC1 is checked above, as it has its own feature bit. ETC2 is
 495        * supported with HALTI0, however that implementation is buggy in hardware.
 496        * The blob driver does per-block patching to work around this. As this
 497        * is currently not implemented by etnaviv, enable it for HALTI1 (GC3000)
 498        * only.
 499        */
 500       if (util_format_is_etc(format))
 501          supported = VIV_FEATURE(screen, chipMinorFeatures2, HALTI1);
 502    }
 503
 504    if (fmt & ASTC_FORMAT) {
 505       supported = screen->specs.tex_astc;
 506    }
 507
 508    if (!supported)
 509       return false;
 510
 511    if (texture_format_needs_swiz(format))
 512       return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 513
 514    return true;
 515 }
 516
 517 static boolean
 518 etna_screen_is_format_supported(struct pipe_screen *pscreen,
 519                                 enum pipe_format format,
 520                                 enum pipe_texture_target target,
 521                                 unsigned sample_count, unsigned usage)
 522 {
 523    struct etna_screen *screen = etna_screen(pscreen);
 524    unsigned allowed = 0;
 525
 526    if (target != PIPE_BUFFER &&
 527        target != PIPE_TEXTURE_1D &&
 528        target != PIPE_TEXTURE_2D &&
 529        target != PIPE_TEXTURE_3D &&
 530        target != PIPE_TEXTURE_CUBE &&
 531        target != PIPE_TEXTURE_RECT)
 532       return FALSE;
 533
 534    if (usage & PIPE_BIND_RENDER_TARGET) {
 535       /* if render target, must be RS-supported format */
 536       if (translate_rs_format(format) != ETNA_NO_MATCH) {
 537          /* Validate MSAA; number of samples must be allowed, and render target
 538           * must have MSAA'able format. */
 539          if (sample_count > 1) {
 540             if (translate_samples_to_xyscale(sample_count, NULL, NULL, NULL) &&
 541                 translate_msaa_format(format) != ETNA_NO_MATCH) {
 542                allowed |= PIPE_BIND_RENDER_TARGET;
 543             }
 544          } else {
 545             allowed |= PIPE_BIND_RENDER_TARGET;
 546          }
 547       }
 548    }
 549
 550    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 551       if (translate_depth_format(format) != ETNA_NO_MATCH)
 552          allowed |= PIPE_BIND_DEPTH_STENCIL;
 553    }
 554
 555    if (usage & PIPE_BIND_SAMPLER_VIEW) {
 556       uint32_t fmt = translate_texture_format(format);
 557
 558       if (!gpu_supports_texure_format(screen, fmt, format))
 559          fmt = ETNA_NO_MATCH;
 560
 561       if (sample_count < 2 && fmt != ETNA_NO_MATCH)
 562          allowed |= PIPE_BIND_SAMPLER_VIEW;
 563    }
 564
 565    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 566       if (translate_vertex_format_type(format) != ETNA_NO_MATCH)
 567          allowed |= PIPE_BIND_VERTEX_BUFFER;
 568    }
 569
 570    if (usage & PIPE_BIND_INDEX_BUFFER) {
 571       /* must be supported index format */
 572       if (format == PIPE_FORMAT_I8_UINT || format == PIPE_FORMAT_I16_UINT ||
 573           (format == PIPE_FORMAT_I32_UINT &&
 574            VIV_FEATURE(screen, chipFeatures, 32_BIT_INDICES))) {
 575          allowed |= PIPE_BIND_INDEX_BUFFER;
 576       }
 577    }
 578
 579    /* Always allowed */
 580    allowed |=
 581       usage & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED);
 582
 583    if (usage != allowed) {
 584       DBG("not supported: format=%s, target=%d, sample_count=%d, "
 585           "usage=%x, allowed=%x",
 586           util_format_name(format), target, sample_count, usage, allowed);
 587    }
 588
 589    return usage == allowed;
 590 }
 591
 592 const uint64_t supported_modifiers[] = {
 593    DRM_FORMAT_MOD_LINEAR,
 594    DRM_FORMAT_MOD_VIVANTE_TILED,
 595    DRM_FORMAT_MOD_VIVANTE_SUPER_TILED,
 596    DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED,
 597    DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED,
 598 };
 599
 600 static void
 601 etna_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 602                                    enum pipe_format format, int max,
 603                                    uint64_t *modifiers,
 604                                    unsigned int *external_only, int *count)
 605 {
 606    struct etna_screen *screen = etna_screen(pscreen);
 607    int i, num_modifiers = 0;
 608
 609    if (max > ARRAY_SIZE(supported_modifiers))
 610       max = ARRAY_SIZE(supported_modifiers);
 611
 612    if (!max) {
 613       modifiers = NULL;
 614       max = ARRAY_SIZE(supported_modifiers);
 615    }
 616
 617    for (i = 0; num_modifiers < max; i++) {
 618       /* don't advertise split tiled formats on single pipe/buffer GPUs */
 619       if ((screen->specs.pixel_pipes == 1 || screen->specs.single_buffer) &&
 620           i >= 3)
 621          break;
 622
 623       if (modifiers)
 624          modifiers[num_modifiers] = supported_modifiers[i];
 625       if (external_only)
 626          external_only[num_modifiers] = 0;
 627       num_modifiers++;
 628    }
 629
 630    *count = num_modifiers;
 631 }
 632
 633 static boolean
 634 etna_get_specs(struct etna_screen *screen)
 635 {
 636    uint64_t val;
 637    uint32_t instruction_count;
 638
 639    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_INSTRUCTION_COUNT, &val)) {
 640       DBG("could not get ETNA_GPU_INSTRUCTION_COUNT");
 641       goto fail;
 642    }
 643    instruction_count = val;
 644
 645    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE,
 646                           &val)) {
 647       DBG("could not get ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE");
 648       goto fail;
 649    }
 650    screen->specs.vertex_output_buffer_size = val;
 651
 652    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_VERTEX_CACHE_SIZE, &val)) {
 653       DBG("could not get ETNA_GPU_VERTEX_CACHE_SIZE");
 654       goto fail;
 655    }
 656    screen->specs.vertex_cache_size = val;
 657
 658    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_SHADER_CORE_COUNT, &val)) {
 659       DBG("could not get ETNA_GPU_SHADER_CORE_COUNT");
 660       goto fail;
 661    }
 662    screen->specs.shader_core_count = val;
 663
 664    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_STREAM_COUNT, &val)) {
 665       DBG("could not get ETNA_GPU_STREAM_COUNT");
 666       goto fail;
 667    }
 668    screen->specs.stream_count = val;
 669
 670    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_REGISTER_MAX, &val)) {
 671       DBG("could not get ETNA_GPU_REGISTER_MAX");
 672       goto fail;
 673    }
 674    screen->specs.max_registers = val;
 675
 676    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_PIXEL_PIPES, &val)) {
 677       DBG("could not get ETNA_GPU_PIXEL_PIPES");
 678       goto fail;
 679    }
 680    screen->specs.pixel_pipes = val;
 681
 682    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_NUM_CONSTANTS, &val)) {
 683       DBG("could not get %s", "ETNA_GPU_NUM_CONSTANTS");
 684       goto fail;
 685    }
 686    if (val == 0) {
 687       fprintf(stderr, "Warning: zero num constants (update kernel?)\n");
 688       val = 168;
 689    }
 690    screen->specs.num_constants = val;
 691
 692    /* Figure out gross GPU architecture. See rnndb/common.xml for a specific
 693     * description of the differences. */
 694    if (VIV_FEATURE(screen, chipMinorFeatures5, HALTI5))
 695       screen->specs.halti = 5; /* New GC7000/GC8x00  */
 696    else if (VIV_FEATURE(screen, chipMinorFeatures5, HALTI4))
 697       screen->specs.halti = 4; /* Old GC7000/GC7400 */
 698    else if (VIV_FEATURE(screen, chipMinorFeatures5, HALTI3))
 699       screen->specs.halti = 3; /* None? */
 700    else if (VIV_FEATURE(screen, chipMinorFeatures4, HALTI2))
 701       screen->specs.halti = 2; /* GC2500/GC3000/GC5000/GC6400 */
 702    else if (VIV_FEATURE(screen, chipMinorFeatures2, HALTI1))
 703       screen->specs.halti = 1; /* GC900/GC4000/GC7000UL */
 704    else if (VIV_FEATURE(screen, chipMinorFeatures1, HALTI0))
 705       screen->specs.halti = 0; /* GC880/GC2000/GC7000TM */
 706    else
 707       screen->specs.halti = -1; /* GC7000nanolite / pre-GC2000 except GC880 */
 708    if (screen->specs.halti >= 0)
 709       DBG("etnaviv: GPU arch: HALTI%d\n", screen->specs.halti);
 710    else
 711       DBG("etnaviv: GPU arch: pre-HALTI\n");
 712
 713    screen->specs.can_supertile =
 714       VIV_FEATURE(screen, chipMinorFeatures0, SUPER_TILED);
 715    screen->specs.bits_per_tile =
 716       VIV_FEATURE(screen, chipMinorFeatures0, 2BITPERTILE) ? 2 : 4;
 717    screen->specs.ts_clear_value =
 718       VIV_FEATURE(screen, chipMinorFeatures0, 2BITPERTILE) ? 0x55555555
 719                                                            : 0x11111111;
 720
 721    /* vertex and fragment samplers live in one address space */
 722    screen->specs.vertex_sampler_offset = 8;
 723    screen->specs.fragment_sampler_count = 8;
 724    screen->specs.vertex_sampler_count = 4;
 725    screen->specs.vs_need_z_div =
 726       screen->model < 0x1000 && screen->model != 0x880;
 727    screen->specs.has_sin_cos_sqrt =
 728       VIV_FEATURE(screen, chipMinorFeatures0, HAS_SQRT_TRIG);
 729    screen->specs.has_sign_floor_ceil =
 730       VIV_FEATURE(screen, chipMinorFeatures0, HAS_SIGN_FLOOR_CEIL);
 731    screen->specs.has_shader_range_registers =
 732       screen->model >= 0x1000 || screen->model == 0x880;
 733    screen->specs.npot_tex_any_wrap =
 734       VIV_FEATURE(screen, chipMinorFeatures1, NON_POWER_OF_TWO);
 735    screen->specs.has_new_transcendentals =
 736       VIV_FEATURE(screen, chipMinorFeatures3, HAS_FAST_TRANSCENDENTALS);
 737    screen->specs.has_halti2_instructions =
 738       VIV_FEATURE(screen, chipMinorFeatures4, HALTI2);
 739
 740    if (screen->specs.halti >= 5) {
 741       /* GC7000 - this core must load shaders from memory. */
 742       screen->specs.vs_offset = 0;
 743       screen->specs.ps_offset = 0;
 744       screen->specs.max_instructions = 0; /* Do not program shaders manually */
 745       screen->specs.has_icache = true;
 746    } else if (VIV_FEATURE(screen, chipMinorFeatures3, INSTRUCTION_CACHE)) {
 747       /* GC3000 - this core is capable of loading shaders from
 748        * memory. It can also run shaders from registers, as a fallback, but
 749        * "max_instructions" does not have the correct value. It has place for
 750        * 2*256 instructions just like GC2000, but the offsets are slightly
 751        * different.
 752        */
 753       screen->specs.vs_offset = 0xC000;
 754       /* State 08000-0C000 mirrors 0C000-0E000, and the Vivante driver uses
 755        * this mirror for writing PS instructions, probably safest to do the
 756        * same.
 757        */
 758       screen->specs.ps_offset = 0x8000 + 0x1000;
 759       screen->specs.max_instructions = 256; /* maximum number instructions for non-icache use */
 760       screen->specs.has_icache = true;
 761    } else {
 762       if (instruction_count > 256) { /* unified instruction memory? */
 763          screen->specs.vs_offset = 0xC000;
 764          screen->specs.ps_offset = 0xD000; /* like vivante driver */
 765          screen->specs.max_instructions = 256;
 766       } else {
 767          screen->specs.vs_offset = 0x4000;
 768          screen->specs.ps_offset = 0x6000;
 769          screen->specs.max_instructions = instruction_count / 2;
 770       }
 771       screen->specs.has_icache = false;
 772    }
 773
 774    if (VIV_FEATURE(screen, chipMinorFeatures1, HALTI0)) {
 775       screen->specs.max_varyings = 12;
 776       screen->specs.vertex_max_elements = 16;
 777    } else {
 778       screen->specs.max_varyings = 8;
 779       /* Etna_viv documentation seems confused over the correct value
 780        * here so choose the lower to be safe: HALTI0 says 16 i.s.o.
 781        * 10, but VERTEX_ELEMENT_CONFIG register says 16 i.s.o. 12. */
 782       screen->specs.vertex_max_elements = 10;
 783    }
 784
 785    /* Etna_viv documentation does not indicate where varyings above 8 are
 786     * stored. Moreover, if we are passed more than 8 varyings, we will
 787     * walk off the end of some arrays. Limit the maximum number of varyings. */
 788    if (screen->specs.max_varyings > ETNA_NUM_VARYINGS)
 789       screen->specs.max_varyings = ETNA_NUM_VARYINGS;
 790
 791    /* from QueryShaderCaps in kernel driver */
 792    if (screen->model < chipModel_GC4000) {
 793       screen->specs.max_vs_uniforms = 168;
 794       screen->specs.max_ps_uniforms = 64;
 795    } else {
 796       screen->specs.max_vs_uniforms = 256;
 797       screen->specs.max_ps_uniforms = 256;
 798    }
 799
 800    if (screen->specs.halti >= 5) {
 801       screen->specs.has_unified_uniforms = true;
 802       screen->specs.vs_uniforms_offset = VIVS_SH_HALTI5_UNIFORMS_MIRROR(0);
 803       screen->specs.ps_uniforms_offset = VIVS_SH_HALTI5_UNIFORMS(screen->specs.max_vs_uniforms*4);
 804    } else if (screen->specs.halti >= 1) {
 805       /* unified uniform memory on GC3000 - HALTI1 feature bit is just a guess
 806       */
 807       screen->specs.has_unified_uniforms = true;
 808       screen->specs.vs_uniforms_offset = VIVS_SH_UNIFORMS(0);
 809       /* hardcode PS uniforms to start after end of VS uniforms -
 810        * for more flexibility this offset could be variable based on the
 811        * shader.
 812        */
 813       screen->specs.ps_uniforms_offset = VIVS_SH_UNIFORMS(screen->specs.max_vs_uniforms*4);
 814    } else {
 815       screen->specs.has_unified_uniforms = false;
 816       screen->specs.vs_uniforms_offset = VIVS_VS_UNIFORMS(0);
 817       screen->specs.ps_uniforms_offset = VIVS_PS_UNIFORMS(0);
 818    }
 819
 820    screen->specs.max_texture_size =
 821       VIV_FEATURE(screen, chipMinorFeatures0, TEXTURE_8K) ? 8192 : 2048;
 822    screen->specs.max_rendertarget_size =
 823       VIV_FEATURE(screen, chipMinorFeatures0, RENDERTARGET_8K) ? 8192 : 2048;
 824
 825    screen->specs.single_buffer = VIV_FEATURE(screen, chipMinorFeatures4, SINGLE_BUFFER);
 826    if (screen->specs.single_buffer)
 827       DBG("etnaviv: Single buffer mode enabled with %d pixel pipes\n", screen->specs.pixel_pipes);
 828
 829    screen->specs.tex_astc = VIV_FEATURE(screen, chipMinorFeatures4, TEXTURE_ASTC);
 830
 831    screen->specs.use_blt = VIV_FEATURE(screen, chipMinorFeatures5, BLT_ENGINE);
 832
 833    return true;
 834
 835 fail:
 836    return false;
 837 }
 838
 839 struct etna_bo *
 840 etna_screen_bo_from_handle(struct pipe_screen *pscreen,
 841                            struct winsys_handle *whandle, unsigned *out_stride)
 842 {
 843    struct etna_screen *screen = etna_screen(pscreen);
 844    struct etna_bo *bo;
 845
 846    if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 847       bo = etna_bo_from_name(screen->dev, whandle->handle);
 848    } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 849       bo = etna_bo_from_dmabuf(screen->dev, whandle->handle);
 850    } else {
 851       DBG("Attempt to import unsupported handle type %d", whandle->type);
 852       return NULL;
 853    }
 854
 855    if (!bo) {
 856       DBG("ref name 0x%08x failed", whandle->handle);
 857       return NULL;
 858    }
 859
 860    *out_stride = whandle->stride;
 861
 862    return bo;
 863 }
 864
 865 struct pipe_screen *
 866 etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
 867                    struct renderonly *ro)
 868 {
 869    struct etna_screen *screen = CALLOC_STRUCT(etna_screen);
 870    struct pipe_screen *pscreen;
 871    drmVersionPtr version;
 872    uint64_t val;
 873
 874    if (!screen)
 875       return NULL;
 876
 877    pscreen = &screen->base;
 878    screen->dev = dev;
 879    screen->gpu = gpu;
 880    screen->ro = renderonly_dup(ro);
 881    screen->refcnt = 1;
 882
 883    if (!screen->ro) {
 884       DBG("could not create renderonly object");
 885       goto fail;
 886    }
 887
 888    version = drmGetVersion(screen->ro->gpu_fd);
 889    screen->drm_version = ETNA_DRM_VERSION(version->version_major,
 890                                           version->version_minor);
 891    drmFreeVersion(version);
 892
 893    etna_mesa_debug = debug_get_option_etna_mesa_debug();
 894
 895    /* Disable autodisable for correct rendering with TS */
 896    etna_mesa_debug |= ETNA_DBG_NO_AUTODISABLE;
 897
 898    screen->pipe = etna_pipe_new(gpu, ETNA_PIPE_3D);
 899    if (!screen->pipe) {
 900       DBG("could not create 3d pipe");
 901       goto fail;
 902    }
 903
 904    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_MODEL, &val)) {
 905       DBG("could not get ETNA_GPU_MODEL");
 906       goto fail;
 907    }
 908    screen->model = val;
 909
 910    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_REVISION, &val)) {
 911       DBG("could not get ETNA_GPU_REVISION");
 912       goto fail;
 913    }
 914    screen->revision = val;
 915
 916    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_0, &val)) {
 917       DBG("could not get ETNA_GPU_FEATURES_0");
 918       goto fail;
 919    }
 920    screen->features[0] = val;
 921
 922    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_1, &val)) {
 923       DBG("could not get ETNA_GPU_FEATURES_1");
 924       goto fail;
 925    }
 926    screen->features[1] = val;
 927
 928    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_2, &val)) {
 929       DBG("could not get ETNA_GPU_FEATURES_2");
 930       goto fail;
 931    }
 932    screen->features[2] = val;
 933
 934    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_3, &val)) {
 935       DBG("could not get ETNA_GPU_FEATURES_3");
 936       goto fail;
 937    }
 938    screen->features[3] = val;
 939
 940    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_4, &val)) {
 941       DBG("could not get ETNA_GPU_FEATURES_4");
 942       goto fail;
 943    }
 944    screen->features[4] = val;
 945
 946    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_5, &val)) {
 947       DBG("could not get ETNA_GPU_FEATURES_5");
 948       goto fail;
 949    }
 950    screen->features[5] = val;
 951
 952    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_6, &val)) {
 953       DBG("could not get ETNA_GPU_FEATURES_6");
 954       goto fail;
 955    }
 956    screen->features[6] = val;
 957
 958    if (!etna_get_specs(screen))
 959       goto fail;
 960
 961    /* apply debug options that disable individual features */
 962    if (DBG_ENABLED(ETNA_DBG_NO_EARLY_Z))
 963       screen->features[viv_chipFeatures] |= chipFeatures_NO_EARLY_Z;
 964    if (DBG_ENABLED(ETNA_DBG_NO_TS))
 965          screen->features[viv_chipFeatures] &= ~chipFeatures_FAST_CLEAR;
 966    if (DBG_ENABLED(ETNA_DBG_NO_AUTODISABLE))
 967       screen->features[viv_chipMinorFeatures1] &= ~chipMinorFeatures1_AUTO_DISABLE;
 968    if (DBG_ENABLED(ETNA_DBG_NO_SUPERTILE))
 969       screen->specs.can_supertile = 0;
 970
 971    pscreen->destroy = etna_screen_destroy;
 972    pscreen->get_param = etna_screen_get_param;
 973    pscreen->get_paramf = etna_screen_get_paramf;
 974    pscreen->get_shader_param = etna_screen_get_shader_param;
 975
 976    pscreen->get_name = etna_screen_get_name;
 977    pscreen->get_vendor = etna_screen_get_vendor;
 978    pscreen->get_device_vendor = etna_screen_get_device_vendor;
 979
 980    pscreen->get_timestamp = etna_screen_get_timestamp;
 981    pscreen->context_create = etna_context_create;
 982    pscreen->is_format_supported = etna_screen_is_format_supported;
 983    pscreen->query_dmabuf_modifiers = etna_screen_query_dmabuf_modifiers;
 984
 985    etna_fence_screen_init(pscreen);
 986    etna_query_screen_init(pscreen);
 987    etna_resource_screen_init(pscreen);
 988
 989    slab_create_parent(&screen->transfer_pool, sizeof(struct etna_transfer), 16);
 990
 991    return pscreen;
 992
 993 fail:
 994    etna_screen_destroy(pscreen);
 995    return NULL;
 996 }