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 #define ETNA_DRM_VERSION_PERFMON       ETNA_DRM_VERSION(1, 2)
  53
  54 static const struct debug_named_value debug_options[] = {
  55    {"dbg_msgs",       ETNA_DBG_MSGS, "Print debug messages"},
  56    {"frame_msgs",     ETNA_DBG_FRAME_MSGS, "Print frame messages"},
  57    {"resource_msgs",  ETNA_DBG_RESOURCE_MSGS, "Print resource messages"},
  58    {"compiler_msgs",  ETNA_DBG_COMPILER_MSGS, "Print compiler messages"},
  59    {"linker_msgs",    ETNA_DBG_LINKER_MSGS, "Print linker messages"},
  60    {"dump_shaders",   ETNA_DBG_DUMP_SHADERS, "Dump shaders"},
  61    {"no_ts",          ETNA_DBG_NO_TS, "Disable TS"},
  62    {"no_autodisable", ETNA_DBG_NO_AUTODISABLE, "Disable autodisable"},
  63    {"no_supertile",   ETNA_DBG_NO_SUPERTILE, "Disable supertiles"},
  64    {"no_early_z",     ETNA_DBG_NO_EARLY_Z, "Disable early z"},
  65    {"cflush_all",     ETNA_DBG_CFLUSH_ALL, "Flush every cash before state update"},
  66    {"msaa2x",         ETNA_DBG_MSAA_2X, "Force 2x msaa"},
  67    {"msaa4x",         ETNA_DBG_MSAA_4X, "Force 4x msaa"},
  68    {"flush_all",      ETNA_DBG_FLUSH_ALL, "Flush after every rendered primitive"},
  69    {"zero",           ETNA_DBG_ZERO, "Zero all resources after allocation"},
  70    {"draw_stall",     ETNA_DBG_DRAW_STALL, "Stall FE/PE after each rendered primitive"},
  71    {"shaderdb",       ETNA_DBG_SHADERDB, "Enable shaderdb output"},
  72    {"no_singlebuffer",ETNA_DBG_NO_SINGLEBUF, "Disable single buffer feature"},
  73    DEBUG_NAMED_VALUE_END
  74 };
  75
  76 DEBUG_GET_ONCE_FLAGS_OPTION(etna_mesa_debug, "ETNA_MESA_DEBUG", debug_options, 0)
  77 int etna_mesa_debug = 0;
  78
  79 static void
  80 etna_screen_destroy(struct pipe_screen *pscreen)
  81 {
  82    struct etna_screen *screen = etna_screen(pscreen);
  83
  84    if (screen->perfmon)
  85       etna_perfmon_del(screen->perfmon);
  86
  87    if (screen->pipe)
  88       etna_pipe_del(screen->pipe);
  89
  90    if (screen->gpu)
  91       etna_gpu_del(screen->gpu);
  92
  93    if (screen->ro)
  94       FREE(screen->ro);
  95
  96    if (screen->dev)
  97       etna_device_del(screen->dev);
  98
  99    FREE(screen);
 100 }
 101
 102 static const char *
 103 etna_screen_get_name(struct pipe_screen *pscreen)
 104 {
 105    struct etna_screen *priv = etna_screen(pscreen);
 106    static char buffer[128];
 107
 108    util_snprintf(buffer, sizeof(buffer), "Vivante GC%x rev %04x", priv->model,
 109                  priv->revision);
 110
 111    return buffer;
 112 }
 113
 114 static const char *
 115 etna_screen_get_vendor(struct pipe_screen *pscreen)
 116 {
 117    return "etnaviv";
 118 }
 119
 120 static const char *
 121 etna_screen_get_device_vendor(struct pipe_screen *pscreen)
 122 {
 123    return "Vivante";
 124 }
 125
 126 static int
 127 etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 128 {
 129    struct etna_screen *screen = etna_screen(pscreen);
 130
 131    switch (param) {
 132    /* Supported features (boolean caps). */
 133    case PIPE_CAP_ANISOTROPIC_FILTER:
 134    case PIPE_CAP_POINT_SPRITE:
 135    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 136    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 137    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 138    case PIPE_CAP_SM3:
 139    case PIPE_CAP_TEXTURE_BARRIER:
 140    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 141    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 142    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 143    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 144    case PIPE_CAP_TGSI_TEXCOORD:
 145    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 146    case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 147       return 1;
 148    case PIPE_CAP_NATIVE_FENCE_FD:
 149       return screen->drm_version >= ETNA_DRM_VERSION_FENCE_FD;
 150
 151    /* Memory */
 152    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 153       return 256;
 154    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 155       return 4; /* XXX could easily be supported */
 156    case PIPE_CAP_GLSL_FEATURE_LEVEL:
 157    case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 158       return 120;
 159
 160    case PIPE_CAP_NPOT_TEXTURES:
 161       return true; /* VIV_FEATURE(priv->dev, chipMinorFeatures1,
 162                       NON_POWER_OF_TWO); */
 163
 164    case PIPE_CAP_TEXTURE_SWIZZLE:
 165    case PIPE_CAP_PRIMITIVE_RESTART:
 166       return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 167
 168    case PIPE_CAP_ENDIANNESS:
 169       return PIPE_ENDIAN_LITTLE; /* on most Viv hw this is configurable (feature
 170                                     ENDIANNESS_CONFIG) */
 171
 172    /* Unsupported features. */
 173    case PIPE_CAP_SEAMLESS_CUBE_MAP:
 174    case PIPE_CAP_COMPUTE: /* XXX supported on gc2000 */
 175    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: /* only one colorbuffer supported, so mixing makes no sense */
 176    case PIPE_CAP_CONDITIONAL_RENDER: /* no occlusion queries */
 177    case PIPE_CAP_TGSI_INSTANCEID: /* no idea, really */
 178    case PIPE_CAP_START_INSTANCE: /* instancing not supported AFAIK */
 179    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: /* instancing not supported AFAIK */
 180    case PIPE_CAP_SHADER_STENCIL_EXPORT: /* Fragment shader cannot export stencil value */
 181    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: /* no dual-source supported */
 182    case PIPE_CAP_TEXTURE_MULTISAMPLE: /* no texture multisample */
 183    case PIPE_CAP_TEXTURE_MIRROR_CLAMP: /* only mirrored repeat */
 184    case PIPE_CAP_INDEP_BLEND_ENABLE:
 185    case PIPE_CAP_INDEP_BLEND_FUNC:
 186    case PIPE_CAP_DEPTH_CLIP_DISABLE:
 187    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 188    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 189    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 190    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: /* Don't skip strict max uniform limit check */
 191    case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 192    case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 193    case PIPE_CAP_USER_VERTEX_BUFFERS:
 194    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 195    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 196    case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 197    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: /* TODO: test me out with piglit */
 198    case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 199    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 200    case PIPE_CAP_TEXTURE_GATHER_SM5:
 201    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 202    case PIPE_CAP_FAKE_SW_MSAA:
 203    case PIPE_CAP_TEXTURE_QUERY_LOD:
 204    case PIPE_CAP_SAMPLE_SHADING:
 205    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 206    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 207    case PIPE_CAP_DRAW_INDIRECT:
 208    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 209    case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 210    case PIPE_CAP_SAMPLER_VIEW_TARGET:
 211    case PIPE_CAP_CLIP_HALFZ:
 212    case PIPE_CAP_VERTEXID_NOBASE:
 213    case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 214    case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 215    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 216    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 217    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 218    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 219    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 220    case PIPE_CAP_DEPTH_BOUNDS_TEST:
 221    case PIPE_CAP_TGSI_TXQS:
 222    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 223    case PIPE_CAP_SHAREABLE_SHADERS:
 224    case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 225    case PIPE_CAP_CLEAR_TEXTURE:
 226    case PIPE_CAP_DRAW_PARAMETERS:
 227    case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 228    case PIPE_CAP_MULTI_DRAW_INDIRECT:
 229    case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 230    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 231    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 232    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 233    case PIPE_CAP_INVALIDATE_BUFFER:
 234    case PIPE_CAP_GENERATE_MIPMAP:
 235    case PIPE_CAP_STRING_MARKER:
 236    case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 237    case PIPE_CAP_QUERY_BUFFER_OBJECT:
 238    case PIPE_CAP_QUERY_MEMORY_INFO:
 239    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 240    case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 241    case PIPE_CAP_CULL_DISTANCE:
 242    case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 243    case PIPE_CAP_TGSI_VOTE:
 244    case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 245    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 246    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 247    case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 248    case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
 249    case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 250    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 251    case PIPE_CAP_TGSI_FS_FBFETCH:
 252    case PIPE_CAP_TGSI_MUL_ZERO_WINS:
 253    case PIPE_CAP_DOUBLES:
 254    case PIPE_CAP_INT64:
 255    case PIPE_CAP_INT64_DIVMOD:
 256    case PIPE_CAP_TGSI_TEX_TXF_LZ:
 257    case PIPE_CAP_TGSI_CLOCK:
 258    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
 259    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
 260    case PIPE_CAP_TGSI_BALLOT:
 261    case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
 262    case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
 263    case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
 264    case PIPE_CAP_POST_DEPTH_COVERAGE:
 265    case PIPE_CAP_BINDLESS_TEXTURE:
 266    case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
 267    case PIPE_CAP_QUERY_SO_OVERFLOW:
 268    case PIPE_CAP_MEMOBJ:
 269    case PIPE_CAP_LOAD_CONSTBUF:
 270    case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
 271    case PIPE_CAP_TILE_RASTER_ORDER:
 272    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
 273    case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS:
 274    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 275    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
 276    case PIPE_CAP_FENCE_SIGNAL:
 277    case PIPE_CAP_CONSTBUF0_FLAGS:
 278    case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
 279    case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
 280    case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
 281    case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
 282    case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
 283    case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
 284    case PIPE_CAP_PACKED_UNIFORMS:
 285    case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
 286       return 0;
 287
 288    case PIPE_CAP_MAX_GS_INVOCATIONS:
 289       return 32;
 290
 291    case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
 292       return 1 << 27;
 293
 294    /* Stream output. */
 295    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 296    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 297    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 298    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 299       return 0;
 300
 301    /* Geometry shader output, unsupported. */
 302    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 303    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 304    case PIPE_CAP_MAX_VERTEX_STREAMS:
 305       return 0;
 306
 307    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 308       return 128;
 309
 310    /* Texturing. */
 311    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 312    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 313    {
 314       int log2_max_tex_size = util_last_bit(screen->specs.max_texture_size);
 315       assert(log2_max_tex_size > 0);
 316       return log2_max_tex_size;
 317    }
 318    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: /* 3D textures not supported - fake it */
 319       return 5;
 320    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 321       return 0;
 322    case PIPE_CAP_CUBE_MAP_ARRAY:
 323       return 0;
 324    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 325    case PIPE_CAP_MIN_TEXEL_OFFSET:
 326       return -8;
 327    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 328    case PIPE_CAP_MAX_TEXEL_OFFSET:
 329       return 7;
 330    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 331       return 0;
 332    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 333       return 65536;
 334
 335    /* Render targets. */
 336    case PIPE_CAP_MAX_RENDER_TARGETS:
 337       return 1;
 338
 339    /* Viewports and scissors. */
 340    case PIPE_CAP_MAX_VIEWPORTS:
 341       return 1;
 342
 343    /* Timer queries. */
 344    case PIPE_CAP_QUERY_TIME_ELAPSED:
 345       return 0;
 346    case PIPE_CAP_OCCLUSION_QUERY:
 347       return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 348    case PIPE_CAP_QUERY_TIMESTAMP:
 349       return 1;
 350    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 351       return 0;
 352
 353    /* Preferences */
 354    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 355       return 0;
 356
 357    case PIPE_CAP_PCI_GROUP:
 358    case PIPE_CAP_PCI_BUS:
 359    case PIPE_CAP_PCI_DEVICE:
 360    case PIPE_CAP_PCI_FUNCTION:
 361       return 0;
 362    case PIPE_CAP_VENDOR_ID:
 363    case PIPE_CAP_DEVICE_ID:
 364       return 0xFFFFFFFF;
 365    case PIPE_CAP_ACCELERATED:
 366       return 1;
 367    case PIPE_CAP_VIDEO_MEMORY:
 368       return 0;
 369    case PIPE_CAP_UMA:
 370       return 1;
 371    }
 372
 373    debug_printf("unknown param %d", param);
 374    return 0;
 375 }
 376
 377 static float
 378 etna_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 379 {
 380    struct etna_screen *screen = etna_screen(pscreen);
 381
 382    switch (param) {
 383    case PIPE_CAPF_MAX_LINE_WIDTH:
 384    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 385    case PIPE_CAPF_MAX_POINT_WIDTH:
 386    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 387       return 8192.0f;
 388    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 389       return 16.0f;
 390    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 391       return util_last_bit(screen->specs.max_texture_size);
 392    case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 393    case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 394    case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 395       return 0.0f;
 396    }
 397
 398    debug_printf("unknown paramf %d", param);
 399    return 0;
 400 }
 401
 402 static int
 403 etna_screen_get_shader_param(struct pipe_screen *pscreen,
 404                              enum pipe_shader_type shader,
 405                              enum pipe_shader_cap param)
 406 {
 407    struct etna_screen *screen = etna_screen(pscreen);
 408
 409    switch (shader) {
 410    case PIPE_SHADER_FRAGMENT:
 411    case PIPE_SHADER_VERTEX:
 412       break;
 413    case PIPE_SHADER_COMPUTE:
 414    case PIPE_SHADER_GEOMETRY:
 415    case PIPE_SHADER_TESS_CTRL:
 416    case PIPE_SHADER_TESS_EVAL:
 417       return 0;
 418    default:
 419       DBG("unknown shader type %d", shader);
 420       return 0;
 421    }
 422
 423    switch (param) {
 424    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 425    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 426    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 427    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 428       return ETNA_MAX_TOKENS;
 429    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 430       return ETNA_MAX_DEPTH; /* XXX */
 431    case PIPE_SHADER_CAP_MAX_INPUTS:
 432       /* Maximum number of inputs for the vertex shader is the number
 433        * of vertex elements - each element defines one vertex shader
 434        * input register.  For the fragment shader, this is the number
 435        * of varyings. */
 436       return shader == PIPE_SHADER_FRAGMENT ? screen->specs.max_varyings
 437                                             : screen->specs.vertex_max_elements;
 438    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 439       return 16; /* see VIVS_VS_OUTPUT */
 440    case PIPE_SHADER_CAP_MAX_TEMPS:
 441       return 64; /* Max native temporaries. */
 442    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 443       return 1;
 444    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 445       return 1;
 446    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 447    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 448    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 449    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 450       return 1;
 451    case PIPE_SHADER_CAP_SUBROUTINES:
 452       return 0;
 453    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 454       return VIV_FEATURE(screen, chipMinorFeatures0, HAS_SQRT_TRIG);
 455    case PIPE_SHADER_CAP_INTEGERS:
 456    case PIPE_SHADER_CAP_INT64_ATOMICS:
 457    case PIPE_SHADER_CAP_FP16:
 458       return 0;
 459    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 460    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 461       return shader == PIPE_SHADER_FRAGMENT
 462                 ? screen->specs.fragment_sampler_count
 463                 : screen->specs.vertex_sampler_count;
 464    case PIPE_SHADER_CAP_PREFERRED_IR:
 465       return PIPE_SHADER_IR_TGSI;
 466    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 467       return 4096;
 468    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 469    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 470    case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 471    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 472    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 473       return false;
 474    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 475       return 0;
 476    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 477       return 32;
 478    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 479    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 480    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 481    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 482    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 483    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 484    case PIPE_SHADER_CAP_SCALAR_ISA:
 485       return 0;
 486    }
 487
 488    debug_printf("unknown shader param %d", param);
 489    return 0;
 490 }
 491
 492 static uint64_t
 493 etna_screen_get_timestamp(struct pipe_screen *pscreen)
 494 {
 495    return os_time_get_nano();
 496 }
 497
 498 static bool
 499 gpu_supports_texure_format(struct etna_screen *screen, uint32_t fmt,
 500                            enum pipe_format format)
 501 {
 502    bool supported = true;
 503
 504    if (fmt == TEXTURE_FORMAT_ETC1)
 505       supported = VIV_FEATURE(screen, chipFeatures, ETC1_TEXTURE_COMPRESSION);
 506
 507    if (fmt >= TEXTURE_FORMAT_DXT1 && fmt <= TEXTURE_FORMAT_DXT4_DXT5)
 508       supported = VIV_FEATURE(screen, chipFeatures, DXT_TEXTURE_COMPRESSION);
 509
 510    if (util_format_is_srgb(format))
 511       supported = VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 512
 513    if (fmt & EXT_FORMAT) {
 514       supported = VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 515
 516       /* ETC1 is checked above, as it has its own feature bit. ETC2 is
 517        * supported with HALTI0, however that implementation is buggy in hardware.
 518        * The blob driver does per-block patching to work around this. As this
 519        * is currently not implemented by etnaviv, enable it for HALTI1 (GC3000)
 520        * only.
 521        */
 522       if (util_format_is_etc(format))
 523          supported = VIV_FEATURE(screen, chipMinorFeatures2, HALTI1);
 524    }
 525
 526    if (fmt & ASTC_FORMAT) {
 527       supported = screen->specs.tex_astc;
 528    }
 529
 530    if (!supported)
 531       return false;
 532
 533    if (texture_format_needs_swiz(format))
 534       return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 535
 536    return true;
 537 }
 538
 539 static boolean
 540 etna_screen_is_format_supported(struct pipe_screen *pscreen,
 541                                 enum pipe_format format,
 542                                 enum pipe_texture_target target,
 543                                 unsigned sample_count,
 544                                 unsigned storage_sample_count,
 545                                 unsigned usage)
 546 {
 547    struct etna_screen *screen = etna_screen(pscreen);
 548    unsigned allowed = 0;
 549
 550    if (target != PIPE_BUFFER &&
 551        target != PIPE_TEXTURE_1D &&
 552        target != PIPE_TEXTURE_2D &&
 553        target != PIPE_TEXTURE_3D &&
 554        target != PIPE_TEXTURE_CUBE &&
 555        target != PIPE_TEXTURE_RECT)
 556       return FALSE;
 557
 558    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 559       return false;
 560
 561    if (usage & PIPE_BIND_RENDER_TARGET) {
 562       /* if render target, must be RS-supported format */
 563       if (translate_rs_format(format) != ETNA_NO_MATCH) {
 564          /* Validate MSAA; number of samples must be allowed, and render target
 565           * must have MSAA'able format. */
 566          if (sample_count > 1) {
 567             if (translate_samples_to_xyscale(sample_count, NULL, NULL, NULL) &&
 568                 translate_msaa_format(format) != ETNA_NO_MATCH) {
 569                allowed |= PIPE_BIND_RENDER_TARGET;
 570             }
 571          } else {
 572             allowed |= PIPE_BIND_RENDER_TARGET;
 573          }
 574       }
 575    }
 576
 577    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 578       if (translate_depth_format(format) != ETNA_NO_MATCH)
 579          allowed |= PIPE_BIND_DEPTH_STENCIL;
 580    }
 581
 582    if (usage & PIPE_BIND_SAMPLER_VIEW) {
 583       uint32_t fmt = translate_texture_format(format);
 584
 585       if (!gpu_supports_texure_format(screen, fmt, format))
 586          fmt = ETNA_NO_MATCH;
 587
 588       if (sample_count < 2 && fmt != ETNA_NO_MATCH)
 589          allowed |= PIPE_BIND_SAMPLER_VIEW;
 590    }
 591
 592    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 593       if (translate_vertex_format_type(format) != ETNA_NO_MATCH)
 594          allowed |= PIPE_BIND_VERTEX_BUFFER;
 595    }
 596
 597    if (usage & PIPE_BIND_INDEX_BUFFER) {
 598       /* must be supported index format */
 599       if (format == PIPE_FORMAT_I8_UINT || format == PIPE_FORMAT_I16_UINT ||
 600           (format == PIPE_FORMAT_I32_UINT &&
 601            VIV_FEATURE(screen, chipFeatures, 32_BIT_INDICES))) {
 602          allowed |= PIPE_BIND_INDEX_BUFFER;
 603       }
 604    }
 605
 606    /* Always allowed */
 607    allowed |=
 608       usage & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED);
 609
 610    if (usage != allowed) {
 611       DBG("not supported: format=%s, target=%d, sample_count=%d, "
 612           "usage=%x, allowed=%x",
 613           util_format_name(format), target, sample_count, usage, allowed);
 614    }
 615
 616    return usage == allowed;
 617 }
 618
 619 const uint64_t supported_modifiers[] = {
 620    DRM_FORMAT_MOD_LINEAR,
 621    DRM_FORMAT_MOD_VIVANTE_TILED,
 622    DRM_FORMAT_MOD_VIVANTE_SUPER_TILED,
 623    DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED,
 624    DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED,
 625 };
 626
 627 static void
 628 etna_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 629                                    enum pipe_format format, int max,
 630                                    uint64_t *modifiers,
 631                                    unsigned int *external_only, int *count)
 632 {
 633    struct etna_screen *screen = etna_screen(pscreen);
 634    int i, num_modifiers = 0;
 635
 636    if (max > ARRAY_SIZE(supported_modifiers))
 637       max = ARRAY_SIZE(supported_modifiers);
 638
 639    if (!max) {
 640       modifiers = NULL;
 641       max = ARRAY_SIZE(supported_modifiers);
 642    }
 643
 644    for (i = 0; num_modifiers < max; i++) {
 645       /* don't advertise split tiled formats on single pipe/buffer GPUs */
 646       if ((screen->specs.pixel_pipes == 1 || screen->specs.single_buffer) &&
 647           i >= 3)
 648          break;
 649
 650       if (modifiers)
 651          modifiers[num_modifiers] = supported_modifiers[i];
 652       if (external_only)
 653          external_only[num_modifiers] = util_format_is_yuv(format) ? 1 : 0;
 654       num_modifiers++;
 655    }
 656
 657    *count = num_modifiers;
 658 }
 659
 660 static boolean
 661 etna_get_specs(struct etna_screen *screen)
 662 {
 663    uint64_t val;
 664    uint32_t instruction_count;
 665
 666    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_INSTRUCTION_COUNT, &val)) {
 667       DBG("could not get ETNA_GPU_INSTRUCTION_COUNT");
 668       goto fail;
 669    }
 670    instruction_count = val;
 671
 672    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE,
 673                           &val)) {
 674       DBG("could not get ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE");
 675       goto fail;
 676    }
 677    screen->specs.vertex_output_buffer_size = val;
 678
 679    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_VERTEX_CACHE_SIZE, &val)) {
 680       DBG("could not get ETNA_GPU_VERTEX_CACHE_SIZE");
 681       goto fail;
 682    }
 683    screen->specs.vertex_cache_size = val;
 684
 685    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_SHADER_CORE_COUNT, &val)) {
 686       DBG("could not get ETNA_GPU_SHADER_CORE_COUNT");
 687       goto fail;
 688    }
 689    screen->specs.shader_core_count = val;
 690
 691    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_STREAM_COUNT, &val)) {
 692       DBG("could not get ETNA_GPU_STREAM_COUNT");
 693       goto fail;
 694    }
 695    screen->specs.stream_count = val;
 696
 697    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_REGISTER_MAX, &val)) {
 698       DBG("could not get ETNA_GPU_REGISTER_MAX");
 699       goto fail;
 700    }
 701    screen->specs.max_registers = val;
 702
 703    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_PIXEL_PIPES, &val)) {
 704       DBG("could not get ETNA_GPU_PIXEL_PIPES");
 705       goto fail;
 706    }
 707    screen->specs.pixel_pipes = val;
 708
 709    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_NUM_CONSTANTS, &val)) {
 710       DBG("could not get %s", "ETNA_GPU_NUM_CONSTANTS");
 711       goto fail;
 712    }
 713    if (val == 0) {
 714       fprintf(stderr, "Warning: zero num constants (update kernel?)\n");
 715       val = 168;
 716    }
 717    screen->specs.num_constants = val;
 718
 719    /* Figure out gross GPU architecture. See rnndb/common.xml for a specific
 720     * description of the differences. */
 721    if (VIV_FEATURE(screen, chipMinorFeatures5, HALTI5))
 722       screen->specs.halti = 5; /* New GC7000/GC8x00  */
 723    else if (VIV_FEATURE(screen, chipMinorFeatures5, HALTI4))
 724       screen->specs.halti = 4; /* Old GC7000/GC7400 */
 725    else if (VIV_FEATURE(screen, chipMinorFeatures5, HALTI3))
 726       screen->specs.halti = 3; /* None? */
 727    else if (VIV_FEATURE(screen, chipMinorFeatures4, HALTI2))
 728       screen->specs.halti = 2; /* GC2500/GC3000/GC5000/GC6400 */
 729    else if (VIV_FEATURE(screen, chipMinorFeatures2, HALTI1))
 730       screen->specs.halti = 1; /* GC900/GC4000/GC7000UL */
 731    else if (VIV_FEATURE(screen, chipMinorFeatures1, HALTI0))
 732       screen->specs.halti = 0; /* GC880/GC2000/GC7000TM */
 733    else
 734       screen->specs.halti = -1; /* GC7000nanolite / pre-GC2000 except GC880 */
 735    if (screen->specs.halti >= 0)
 736       DBG("etnaviv: GPU arch: HALTI%d", screen->specs.halti);
 737    else
 738       DBG("etnaviv: GPU arch: pre-HALTI");
 739
 740    screen->specs.can_supertile =
 741       VIV_FEATURE(screen, chipMinorFeatures0, SUPER_TILED);
 742    screen->specs.bits_per_tile =
 743       VIV_FEATURE(screen, chipMinorFeatures0, 2BITPERTILE) ? 2 : 4;
 744    screen->specs.ts_clear_value =
 745       VIV_FEATURE(screen, chipMinorFeatures0, 2BITPERTILE) ? 0x55555555
 746                                                            : 0x11111111;
 747
 748    /* vertex and fragment samplers live in one address space */
 749    screen->specs.vertex_sampler_offset = 8;
 750    screen->specs.fragment_sampler_count = 8;
 751    screen->specs.vertex_sampler_count = 4;
 752    screen->specs.vs_need_z_div =
 753       screen->model < 0x1000 && screen->model != 0x880;
 754    screen->specs.has_sin_cos_sqrt =
 755       VIV_FEATURE(screen, chipMinorFeatures0, HAS_SQRT_TRIG);
 756    screen->specs.has_sign_floor_ceil =
 757       VIV_FEATURE(screen, chipMinorFeatures0, HAS_SIGN_FLOOR_CEIL);
 758    screen->specs.has_shader_range_registers =
 759       screen->model >= 0x1000 || screen->model == 0x880;
 760    screen->specs.npot_tex_any_wrap =
 761       VIV_FEATURE(screen, chipMinorFeatures1, NON_POWER_OF_TWO);
 762    screen->specs.has_new_transcendentals =
 763       VIV_FEATURE(screen, chipMinorFeatures3, HAS_FAST_TRANSCENDENTALS);
 764    screen->specs.has_halti2_instructions =
 765       VIV_FEATURE(screen, chipMinorFeatures4, HALTI2);
 766
 767    if (screen->specs.halti >= 5) {
 768       /* GC7000 - this core must load shaders from memory. */
 769       screen->specs.vs_offset = 0;
 770       screen->specs.ps_offset = 0;
 771       screen->specs.max_instructions = 0; /* Do not program shaders manually */
 772       screen->specs.has_icache = true;
 773    } else if (VIV_FEATURE(screen, chipMinorFeatures3, INSTRUCTION_CACHE)) {
 774       /* GC3000 - this core is capable of loading shaders from
 775        * memory. It can also run shaders from registers, as a fallback, but
 776        * "max_instructions" does not have the correct value. It has place for
 777        * 2*256 instructions just like GC2000, but the offsets are slightly
 778        * different.
 779        */
 780       screen->specs.vs_offset = 0xC000;
 781       /* State 08000-0C000 mirrors 0C000-0E000, and the Vivante driver uses
 782        * this mirror for writing PS instructions, probably safest to do the
 783        * same.
 784        */
 785       screen->specs.ps_offset = 0x8000 + 0x1000;
 786       screen->specs.max_instructions = 256; /* maximum number instructions for non-icache use */
 787       screen->specs.has_icache = true;
 788    } else {
 789       if (instruction_count > 256) { /* unified instruction memory? */
 790          screen->specs.vs_offset = 0xC000;
 791          screen->specs.ps_offset = 0xD000; /* like vivante driver */
 792          screen->specs.max_instructions = 256;
 793       } else {
 794          screen->specs.vs_offset = 0x4000;
 795          screen->specs.ps_offset = 0x6000;
 796          screen->specs.max_instructions = instruction_count / 2;
 797       }
 798       screen->specs.has_icache = false;
 799    }
 800
 801    if (VIV_FEATURE(screen, chipMinorFeatures1, HALTI0)) {
 802       screen->specs.max_varyings = 12;
 803       screen->specs.vertex_max_elements = 16;
 804    } else {
 805       screen->specs.max_varyings = 8;
 806       /* Etna_viv documentation seems confused over the correct value
 807        * here so choose the lower to be safe: HALTI0 says 16 i.s.o.
 808        * 10, but VERTEX_ELEMENT_CONFIG register says 16 i.s.o. 12. */
 809       screen->specs.vertex_max_elements = 10;
 810    }
 811
 812    /* Etna_viv documentation does not indicate where varyings above 8 are
 813     * stored. Moreover, if we are passed more than 8 varyings, we will
 814     * walk off the end of some arrays. Limit the maximum number of varyings. */
 815    if (screen->specs.max_varyings > ETNA_NUM_VARYINGS)
 816       screen->specs.max_varyings = ETNA_NUM_VARYINGS;
 817
 818    /* from QueryShaderCaps in kernel driver */
 819    if (screen->model < chipModel_GC4000) {
 820       screen->specs.max_vs_uniforms = 168;
 821       screen->specs.max_ps_uniforms = 64;
 822    } else {
 823       screen->specs.max_vs_uniforms = 256;
 824       screen->specs.max_ps_uniforms = 256;
 825    }
 826
 827    if (screen->specs.halti >= 5) {
 828       screen->specs.has_unified_uniforms = true;
 829       screen->specs.vs_uniforms_offset = VIVS_SH_HALTI5_UNIFORMS_MIRROR(0);
 830       screen->specs.ps_uniforms_offset = VIVS_SH_HALTI5_UNIFORMS(screen->specs.max_vs_uniforms*4);
 831    } else if (screen->specs.halti >= 1) {
 832       /* unified uniform memory on GC3000 - HALTI1 feature bit is just a guess
 833       */
 834       screen->specs.has_unified_uniforms = true;
 835       screen->specs.vs_uniforms_offset = VIVS_SH_UNIFORMS(0);
 836       /* hardcode PS uniforms to start after end of VS uniforms -
 837        * for more flexibility this offset could be variable based on the
 838        * shader.
 839        */
 840       screen->specs.ps_uniforms_offset = VIVS_SH_UNIFORMS(screen->specs.max_vs_uniforms*4);
 841    } else {
 842       screen->specs.has_unified_uniforms = false;
 843       screen->specs.vs_uniforms_offset = VIVS_VS_UNIFORMS(0);
 844       screen->specs.ps_uniforms_offset = VIVS_PS_UNIFORMS(0);
 845    }
 846
 847    screen->specs.max_texture_size =
 848       VIV_FEATURE(screen, chipMinorFeatures0, TEXTURE_8K) ? 8192 : 2048;
 849    screen->specs.max_rendertarget_size =
 850       VIV_FEATURE(screen, chipMinorFeatures0, RENDERTARGET_8K) ? 8192 : 2048;
 851
 852    screen->specs.single_buffer = VIV_FEATURE(screen, chipMinorFeatures4, SINGLE_BUFFER);
 853    if (screen->specs.single_buffer)
 854       DBG("etnaviv: Single buffer mode enabled with %d pixel pipes", screen->specs.pixel_pipes);
 855
 856    screen->specs.tex_astc = VIV_FEATURE(screen, chipMinorFeatures4, TEXTURE_ASTC);
 857
 858    screen->specs.use_blt = VIV_FEATURE(screen, chipMinorFeatures5, BLT_ENGINE);
 859
 860    return true;
 861
 862 fail:
 863    return false;
 864 }
 865
 866 struct etna_bo *
 867 etna_screen_bo_from_handle(struct pipe_screen *pscreen,
 868                            struct winsys_handle *whandle, unsigned *out_stride)
 869 {
 870    struct etna_screen *screen = etna_screen(pscreen);
 871    struct etna_bo *bo;
 872
 873    if (whandle->type == WINSYS_HANDLE_TYPE_SHARED) {
 874       bo = etna_bo_from_name(screen->dev, whandle->handle);
 875    } else if (whandle->type == WINSYS_HANDLE_TYPE_FD) {
 876       bo = etna_bo_from_dmabuf(screen->dev, whandle->handle);
 877    } else {
 878       DBG("Attempt to import unsupported handle type %d", whandle->type);
 879       return NULL;
 880    }
 881
 882    if (!bo) {
 883       DBG("ref name 0x%08x failed", whandle->handle);
 884       return NULL;
 885    }
 886
 887    *out_stride = whandle->stride;
 888
 889    return bo;
 890 }
 891
 892 struct pipe_screen *
 893 etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
 894                    struct renderonly *ro)
 895 {
 896    struct etna_screen *screen = CALLOC_STRUCT(etna_screen);
 897    struct pipe_screen *pscreen;
 898    drmVersionPtr version;
 899    uint64_t val;
 900
 901    if (!screen)
 902       return NULL;
 903
 904    pscreen = &screen->base;
 905    screen->dev = dev;
 906    screen->gpu = gpu;
 907    screen->ro = renderonly_dup(ro);
 908    screen->refcnt = 1;
 909
 910    if (!screen->ro) {
 911       DBG("could not create renderonly object");
 912       goto fail;
 913    }
 914
 915    version = drmGetVersion(screen->ro->gpu_fd);
 916    screen->drm_version = ETNA_DRM_VERSION(version->version_major,
 917                                           version->version_minor);
 918    drmFreeVersion(version);
 919
 920    etna_mesa_debug = debug_get_option_etna_mesa_debug();
 921
 922    /* Disable autodisable for correct rendering with TS */
 923    etna_mesa_debug |= ETNA_DBG_NO_AUTODISABLE;
 924
 925    screen->pipe = etna_pipe_new(gpu, ETNA_PIPE_3D);
 926    if (!screen->pipe) {
 927       DBG("could not create 3d pipe");
 928       goto fail;
 929    }
 930
 931    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_MODEL, &val)) {
 932       DBG("could not get ETNA_GPU_MODEL");
 933       goto fail;
 934    }
 935    screen->model = val;
 936
 937    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_REVISION, &val)) {
 938       DBG("could not get ETNA_GPU_REVISION");
 939       goto fail;
 940    }
 941    screen->revision = val;
 942
 943    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_0, &val)) {
 944       DBG("could not get ETNA_GPU_FEATURES_0");
 945       goto fail;
 946    }
 947    screen->features[0] = val;
 948
 949    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_1, &val)) {
 950       DBG("could not get ETNA_GPU_FEATURES_1");
 951       goto fail;
 952    }
 953    screen->features[1] = val;
 954
 955    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_2, &val)) {
 956       DBG("could not get ETNA_GPU_FEATURES_2");
 957       goto fail;
 958    }
 959    screen->features[2] = val;
 960
 961    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_3, &val)) {
 962       DBG("could not get ETNA_GPU_FEATURES_3");
 963       goto fail;
 964    }
 965    screen->features[3] = val;
 966
 967    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_4, &val)) {
 968       DBG("could not get ETNA_GPU_FEATURES_4");
 969       goto fail;
 970    }
 971    screen->features[4] = val;
 972
 973    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_5, &val)) {
 974       DBG("could not get ETNA_GPU_FEATURES_5");
 975       goto fail;
 976    }
 977    screen->features[5] = val;
 978
 979    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_6, &val)) {
 980       DBG("could not get ETNA_GPU_FEATURES_6");
 981       goto fail;
 982    }
 983    screen->features[6] = val;
 984
 985    if (!etna_get_specs(screen))
 986       goto fail;
 987
 988    /* apply debug options that disable individual features */
 989    if (DBG_ENABLED(ETNA_DBG_NO_EARLY_Z))
 990       screen->features[viv_chipFeatures] |= chipFeatures_NO_EARLY_Z;
 991    if (DBG_ENABLED(ETNA_DBG_NO_TS))
 992          screen->features[viv_chipFeatures] &= ~chipFeatures_FAST_CLEAR;
 993    if (DBG_ENABLED(ETNA_DBG_NO_AUTODISABLE))
 994       screen->features[viv_chipMinorFeatures1] &= ~chipMinorFeatures1_AUTO_DISABLE;
 995    if (DBG_ENABLED(ETNA_DBG_NO_SUPERTILE))
 996       screen->specs.can_supertile = 0;
 997    if (DBG_ENABLED(ETNA_DBG_NO_SINGLEBUF))
 998       screen->specs.single_buffer = 0;
 999
1000    pscreen->destroy = etna_screen_destroy;
1001    pscreen->get_param = etna_screen_get_param;
1002    pscreen->get_paramf = etna_screen_get_paramf;
1003    pscreen->get_shader_param = etna_screen_get_shader_param;
1004
1005    pscreen->get_name = etna_screen_get_name;
1006    pscreen->get_vendor = etna_screen_get_vendor;
1007    pscreen->get_device_vendor = etna_screen_get_device_vendor;
1008
1009    pscreen->get_timestamp = etna_screen_get_timestamp;
1010    pscreen->context_create = etna_context_create;
1011    pscreen->is_format_supported = etna_screen_is_format_supported;
1012    pscreen->query_dmabuf_modifiers = etna_screen_query_dmabuf_modifiers;
1013
1014    etna_fence_screen_init(pscreen);
1015    etna_query_screen_init(pscreen);
1016    etna_resource_screen_init(pscreen);
1017
1018    util_dynarray_init(&screen->supported_pm_queries, NULL);
1019    slab_create_parent(&screen->transfer_pool, sizeof(struct etna_transfer), 16);
1020
1021    if (screen->drm_version >= ETNA_DRM_VERSION_PERFMON)
1022       etna_pm_query_setup(screen);
1023
1024    return pscreen;
1025
1026 fail:
1027    etna_screen_destroy(pscreen);
1028    return NULL;
1029 }