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 "os/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 static const struct debug_named_value debug_options[] = {
  49    {"dbg_msgs",       ETNA_DBG_MSGS, "Print debug messages"},
  50    {"frame_msgs",     ETNA_DBG_FRAME_MSGS, "Print frame messages"},
  51    {"resource_msgs",  ETNA_DBG_RESOURCE_MSGS, "Print resource messages"},
  52    {"compiler_msgs",  ETNA_DBG_COMPILER_MSGS, "Print compiler messages"},
  53    {"linker_msgs",    ETNA_DBG_LINKER_MSGS, "Print linker messages"},
  54    {"dump_shaders",   ETNA_DBG_DUMP_SHADERS, "Dump shaders"},
  55    {"no_ts",          ETNA_DBG_NO_TS, "Disable TS"},
  56    {"no_autodisable", ETNA_DBG_NO_AUTODISABLE, "Disable autodisable"},
  57    {"no_supertile",   ETNA_DBG_NO_SUPERTILE, "Disable supertiles"},
  58    {"no_early_z",     ETNA_DBG_NO_EARLY_Z, "Disable early z"},
  59    {"cflush_all",     ETNA_DBG_CFLUSH_ALL, "Flush every cash before state update"},
  60    {"msaa2x",         ETNA_DBG_MSAA_2X, "Force 2x msaa"},
  61    {"msaa4x",         ETNA_DBG_MSAA_4X, "Force 4x msaa"},
  62    {"flush_all",      ETNA_DBG_FLUSH_ALL, "Flush after every rendered primitive"},
  63    {"zero",           ETNA_DBG_ZERO, "Zero all resources after allocation"},
  64    {"draw_stall",     ETNA_DBG_DRAW_STALL, "Stall FE/PE after each rendered primitive"},
  65    DEBUG_NAMED_VALUE_END
  66 };
  67
  68 DEBUG_GET_ONCE_FLAGS_OPTION(etna_mesa_debug, "ETNA_MESA_DEBUG", debug_options, 0)
  69 int etna_mesa_debug = 0;
  70
  71 static void
  72 etna_screen_destroy(struct pipe_screen *pscreen)
  73 {
  74    struct etna_screen *screen = etna_screen(pscreen);
  75
  76    if (screen->pipe)
  77       etna_pipe_del(screen->pipe);
  78
  79    if (screen->gpu)
  80       etna_gpu_del(screen->gpu);
  81
  82    if (screen->ro)
  83       FREE(screen->ro);
  84
  85    if (screen->dev)
  86       etna_device_del(screen->dev);
  87
  88    FREE(screen);
  89 }
  90
  91 static const char *
  92 etna_screen_get_name(struct pipe_screen *pscreen)
  93 {
  94    struct etna_screen *priv = etna_screen(pscreen);
  95    static char buffer[128];
  96
  97    util_snprintf(buffer, sizeof(buffer), "Vivante GC%x rev %04x", priv->model,
  98                  priv->revision);
  99
 100    return buffer;
 101 }
 102
 103 static const char *
 104 etna_screen_get_vendor(struct pipe_screen *pscreen)
 105 {
 106    return "etnaviv";
 107 }
 108
 109 static const char *
 110 etna_screen_get_device_vendor(struct pipe_screen *pscreen)
 111 {
 112    return "Vivante";
 113 }
 114
 115 static int
 116 etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 117 {
 118    struct etna_screen *screen = etna_screen(pscreen);
 119
 120    switch (param) {
 121    /* Supported features (boolean caps). */
 122    case PIPE_CAP_TWO_SIDED_STENCIL:
 123    case PIPE_CAP_ANISOTROPIC_FILTER:
 124    case PIPE_CAP_POINT_SPRITE:
 125    case PIPE_CAP_TEXTURE_SHADOW_MAP:
 126    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 127    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 128    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 129    case PIPE_CAP_SM3:
 130    case PIPE_CAP_TEXTURE_BARRIER:
 131    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 132    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 133    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 134    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 135    case PIPE_CAP_USER_CONSTANT_BUFFERS:
 136    case PIPE_CAP_TGSI_TEXCOORD:
 137    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 138       return 1;
 139
 140    /* Memory */
 141    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 142       return 256;
 143    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 144       return 4; /* XXX could easily be supported */
 145    case PIPE_CAP_GLSL_FEATURE_LEVEL:
 146       return 120;
 147
 148    case PIPE_CAP_NPOT_TEXTURES:
 149       return true; /* VIV_FEATURE(priv->dev, chipMinorFeatures1,
 150                       NON_POWER_OF_TWO); */
 151
 152    case PIPE_CAP_PRIMITIVE_RESTART:
 153       return VIV_FEATURE(screen, chipMinorFeatures1, HALTI0);
 154
 155    case PIPE_CAP_ENDIANNESS:
 156       return PIPE_ENDIAN_LITTLE; /* on most Viv hw this is configurable (feature
 157                                     ENDIANNESS_CONFIG) */
 158
 159    /* Unsupported features. */
 160    case PIPE_CAP_SEAMLESS_CUBE_MAP:
 161    case PIPE_CAP_TEXTURE_SWIZZLE: /* XXX supported on gc2000 */
 162    case PIPE_CAP_COMPUTE: /* XXX supported on gc2000 */
 163    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: /* only one colorbuffer supported, so mixing makes no sense */
 164    case PIPE_CAP_CONDITIONAL_RENDER: /* no occlusion queries */
 165    case PIPE_CAP_TGSI_INSTANCEID: /* no idea, really */
 166    case PIPE_CAP_START_INSTANCE: /* instancing not supported AFAIK */
 167    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: /* instancing not supported AFAIK */
 168    case PIPE_CAP_SHADER_STENCIL_EXPORT: /* Fragment shader cannot export stencil value */
 169    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: /* no dual-source supported */
 170    case PIPE_CAP_TEXTURE_MULTISAMPLE: /* no texture multisample */
 171    case PIPE_CAP_TEXTURE_MIRROR_CLAMP: /* only mirrored repeat */
 172    case PIPE_CAP_INDEP_BLEND_ENABLE:
 173    case PIPE_CAP_INDEP_BLEND_FUNC:
 174    case PIPE_CAP_DEPTH_CLIP_DISABLE:
 175    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 176    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 177    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 178    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: /* Don't skip strict max uniform limit check */
 179    case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 180    case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 181    case PIPE_CAP_USER_VERTEX_BUFFERS:
 182    case PIPE_CAP_USER_INDEX_BUFFERS:
 183    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 184    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 185    case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 186    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: /* TODO: test me out with piglit */
 187    case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 188    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 189    case PIPE_CAP_TEXTURE_GATHER_SM5:
 190    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 191    case PIPE_CAP_FAKE_SW_MSAA:
 192    case PIPE_CAP_TEXTURE_QUERY_LOD:
 193    case PIPE_CAP_SAMPLE_SHADING:
 194    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 195    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 196    case PIPE_CAP_DRAW_INDIRECT:
 197    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 198    case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 199    case PIPE_CAP_SAMPLER_VIEW_TARGET:
 200    case PIPE_CAP_CLIP_HALFZ:
 201    case PIPE_CAP_VERTEXID_NOBASE:
 202    case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 203    case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 204    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 205    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 206    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 207    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 208    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 209    case PIPE_CAP_DEPTH_BOUNDS_TEST:
 210    case PIPE_CAP_TGSI_TXQS:
 211    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 212    case PIPE_CAP_SHAREABLE_SHADERS:
 213    case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 214    case PIPE_CAP_CLEAR_TEXTURE:
 215    case PIPE_CAP_DRAW_PARAMETERS:
 216    case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 217    case PIPE_CAP_MULTI_DRAW_INDIRECT:
 218    case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 219    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 220    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 221    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 222    case PIPE_CAP_INVALIDATE_BUFFER:
 223    case PIPE_CAP_GENERATE_MIPMAP:
 224    case PIPE_CAP_STRING_MARKER:
 225    case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 226    case PIPE_CAP_QUERY_BUFFER_OBJECT:
 227    case PIPE_CAP_QUERY_MEMORY_INFO:
 228    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 229    case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 230    case PIPE_CAP_CULL_DISTANCE:
 231    case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 232    case PIPE_CAP_TGSI_VOTE:
 233    case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 234    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 235    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 236    case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 237    case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 238    case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
 239    case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 240    case PIPE_CAP_NATIVE_FENCE_FD:
 241    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 242    case PIPE_CAP_TGSI_FS_FBFETCH:
 243       return 0;
 244
 245    /* Stream output. */
 246    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 247    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 248    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 249    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 250       return 0;
 251
 252    /* Geometry shader output, unsupported. */
 253    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 254    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 255    case PIPE_CAP_MAX_VERTEX_STREAMS:
 256       return 0;
 257
 258    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 259       return 128;
 260
 261    /* Texturing. */
 262    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 263    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 264    {
 265       int log2_max_tex_size = util_last_bit(screen->specs.max_texture_size);
 266       assert(log2_max_tex_size > 0);
 267       return log2_max_tex_size;
 268    }
 269    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: /* 3D textures not supported - fake it */
 270       return 5;
 271    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 272       return 0;
 273    case PIPE_CAP_CUBE_MAP_ARRAY:
 274       return 0;
 275    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 276    case PIPE_CAP_MIN_TEXEL_OFFSET:
 277       return -8;
 278    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 279    case PIPE_CAP_MAX_TEXEL_OFFSET:
 280       return 7;
 281    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 282       return 0;
 283    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 284       return 65536;
 285
 286    /* Render targets. */
 287    case PIPE_CAP_MAX_RENDER_TARGETS:
 288       return 1;
 289
 290    /* Viewports and scissors. */
 291    case PIPE_CAP_MAX_VIEWPORTS:
 292       return 1;
 293
 294    /* Timer queries. */
 295    case PIPE_CAP_QUERY_TIME_ELAPSED:
 296    case PIPE_CAP_OCCLUSION_QUERY:
 297       return 0;
 298    case PIPE_CAP_QUERY_TIMESTAMP:
 299       return 1;
 300    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 301       return 0;
 302
 303    /* Preferences */
 304    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 305       return 0;
 306
 307    case PIPE_CAP_PCI_GROUP:
 308    case PIPE_CAP_PCI_BUS:
 309    case PIPE_CAP_PCI_DEVICE:
 310    case PIPE_CAP_PCI_FUNCTION:
 311       return 0;
 312    case PIPE_CAP_VENDOR_ID:
 313    case PIPE_CAP_DEVICE_ID:
 314       return 0xFFFFFFFF;
 315    case PIPE_CAP_ACCELERATED:
 316       return 1;
 317    case PIPE_CAP_VIDEO_MEMORY:
 318       return 0;
 319    case PIPE_CAP_UMA:
 320       return 1;
 321    }
 322
 323    debug_printf("unknown param %d", param);
 324    return 0;
 325 }
 326
 327 static float
 328 etna_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 329 {
 330    switch (param) {
 331    case PIPE_CAPF_MAX_LINE_WIDTH:
 332    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 333    case PIPE_CAPF_MAX_POINT_WIDTH:
 334    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 335       return 8192.0f;
 336    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 337       return 16.0f;
 338    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 339       return 16.0f;
 340    case PIPE_CAPF_GUARD_BAND_LEFT:
 341    case PIPE_CAPF_GUARD_BAND_TOP:
 342    case PIPE_CAPF_GUARD_BAND_RIGHT:
 343    case PIPE_CAPF_GUARD_BAND_BOTTOM:
 344       return 0.0f;
 345    }
 346
 347    debug_printf("unknown paramf %d", param);
 348    return 0;
 349 }
 350
 351 static int
 352 etna_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 353                              enum pipe_shader_cap param)
 354 {
 355    struct etna_screen *screen = etna_screen(pscreen);
 356
 357    switch (shader) {
 358    case PIPE_SHADER_FRAGMENT:
 359    case PIPE_SHADER_VERTEX:
 360       break;
 361    case PIPE_SHADER_COMPUTE:
 362    case PIPE_SHADER_GEOMETRY:
 363    case PIPE_SHADER_TESS_CTRL:
 364    case PIPE_SHADER_TESS_EVAL:
 365       return 0;
 366    default:
 367       DBG("unknown shader type %d", shader);
 368       return 0;
 369    }
 370
 371    switch (param) {
 372    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 373    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 374    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 375    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 376       return ETNA_MAX_TOKENS;
 377    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 378       return ETNA_MAX_DEPTH; /* XXX */
 379    case PIPE_SHADER_CAP_MAX_INPUTS:
 380       /* Maximum number of inputs for the vertex shader is the number
 381        * of vertex elements - each element defines one vertex shader
 382        * input register.  For the fragment shader, this is the number
 383        * of varyings. */
 384       return shader == PIPE_SHADER_FRAGMENT ? screen->specs.max_varyings
 385                                             : screen->specs.vertex_max_elements;
 386    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 387       return 16; /* see VIVS_VS_OUTPUT */
 388    case PIPE_SHADER_CAP_MAX_TEMPS:
 389       return 64; /* Max native temporaries. */
 390    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 391       return 1;
 392    case PIPE_SHADER_CAP_MAX_PREDS:
 393       return 0; /* nothing uses this */
 394    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 395       return 1;
 396    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 397    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 398    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 399    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 400       return 1;
 401    case PIPE_SHADER_CAP_SUBROUTINES:
 402       return 0;
 403    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 404       return VIV_FEATURE(screen, chipMinorFeatures0, HAS_SQRT_TRIG);
 405    case PIPE_SHADER_CAP_INTEGERS:
 406       return 0;
 407    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 408    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 409       return shader == PIPE_SHADER_FRAGMENT
 410                 ? screen->specs.fragment_sampler_count
 411                 : screen->specs.vertex_sampler_count;
 412    case PIPE_SHADER_CAP_PREFERRED_IR:
 413       return PIPE_SHADER_IR_TGSI;
 414    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 415       return 4096;
 416    case PIPE_SHADER_CAP_DOUBLES:
 417    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 418    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 419    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 420    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 421       return false;
 422    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 423       return 0;
 424    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 425       return 32;
 426    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 427    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 428    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 429       return 0;
 430    }
 431
 432    debug_printf("unknown shader param %d", param);
 433    return 0;
 434 }
 435
 436 static uint64_t
 437 etna_screen_get_timestamp(struct pipe_screen *pscreen)
 438 {
 439    return os_time_get_nano();
 440 }
 441
 442 static bool
 443 gpu_supports_texure_format(struct etna_screen *screen, uint32_t fmt)
 444 {
 445    if (fmt == TEXTURE_FORMAT_ETC1)
 446       return VIV_FEATURE(screen, chipFeatures, ETC1_TEXTURE_COMPRESSION);
 447
 448    if (fmt >= TEXTURE_FORMAT_DXT1 && fmt <= TEXTURE_FORMAT_DXT4_DXT5)
 449       return VIV_FEATURE(screen, chipFeatures, DXT_TEXTURE_COMPRESSION);
 450
 451    return true;
 452 }
 453
 454 static boolean
 455 etna_screen_is_format_supported(struct pipe_screen *pscreen,
 456                                 enum pipe_format format,
 457                                 enum pipe_texture_target target,
 458                                 unsigned sample_count, unsigned usage)
 459 {
 460    struct etna_screen *screen = etna_screen(pscreen);
 461    unsigned allowed = 0;
 462
 463    if (target != PIPE_BUFFER &&
 464        target != PIPE_TEXTURE_1D &&
 465        target != PIPE_TEXTURE_2D &&
 466        target != PIPE_TEXTURE_3D &&
 467        target != PIPE_TEXTURE_CUBE &&
 468        target != PIPE_TEXTURE_RECT)
 469       return FALSE;
 470
 471    if (usage & PIPE_BIND_RENDER_TARGET) {
 472       /* if render target, must be RS-supported format */
 473       if (translate_rs_format(format) != ETNA_NO_MATCH) {
 474          /* Validate MSAA; number of samples must be allowed, and render target
 475           * must have MSAA'able format. */
 476          if (sample_count > 1) {
 477             if (translate_samples_to_xyscale(sample_count, NULL, NULL, NULL) &&
 478                 translate_msaa_format(format) != ETNA_NO_MATCH) {
 479                allowed |= PIPE_BIND_RENDER_TARGET;
 480             }
 481          } else {
 482             allowed |= PIPE_BIND_RENDER_TARGET;
 483          }
 484       }
 485    }
 486
 487    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 488       if (translate_depth_format(format) != ETNA_NO_MATCH)
 489          allowed |= PIPE_BIND_DEPTH_STENCIL;
 490    }
 491
 492    if (usage & PIPE_BIND_SAMPLER_VIEW) {
 493       uint32_t fmt = translate_texture_format(format);
 494
 495       if (!gpu_supports_texure_format(screen, fmt))
 496          fmt = ETNA_NO_MATCH;
 497
 498       if (sample_count < 2 && fmt != ETNA_NO_MATCH)
 499          allowed |= PIPE_BIND_SAMPLER_VIEW;
 500    }
 501
 502    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 503       if (translate_vertex_format_type(format) != ETNA_NO_MATCH)
 504          allowed |= PIPE_BIND_VERTEX_BUFFER;
 505    }
 506
 507    if (usage & PIPE_BIND_INDEX_BUFFER) {
 508       /* must be supported index format */
 509       if (format == PIPE_FORMAT_I8_UINT || format == PIPE_FORMAT_I16_UINT ||
 510           (format == PIPE_FORMAT_I32_UINT &&
 511            VIV_FEATURE(screen, chipFeatures, 32_BIT_INDICES))) {
 512          allowed |= PIPE_BIND_INDEX_BUFFER;
 513       }
 514    }
 515
 516    /* Always allowed */
 517    allowed |=
 518       usage & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED);
 519
 520    if (usage != allowed) {
 521       DBG("not supported: format=%s, target=%d, sample_count=%d, "
 522           "usage=%x, allowed=%x",
 523           util_format_name(format), target, sample_count, usage, allowed);
 524    }
 525
 526    return usage == allowed;
 527 }
 528
 529 static boolean
 530 etna_get_specs(struct etna_screen *screen)
 531 {
 532    uint64_t val;
 533    uint32_t instruction_count;
 534
 535    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_INSTRUCTION_COUNT, &val)) {
 536       DBG("could not get ETNA_GPU_INSTRUCTION_COUNT");
 537       goto fail;
 538    }
 539    instruction_count = val;
 540
 541    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE,
 542                           &val)) {
 543       DBG("could not get ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE");
 544       goto fail;
 545    }
 546    screen->specs.vertex_output_buffer_size = val;
 547
 548    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_VERTEX_CACHE_SIZE, &val)) {
 549       DBG("could not get ETNA_GPU_VERTEX_CACHE_SIZE");
 550       goto fail;
 551    }
 552    screen->specs.vertex_cache_size = val;
 553
 554    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_SHADER_CORE_COUNT, &val)) {
 555       DBG("could not get ETNA_GPU_SHADER_CORE_COUNT");
 556       goto fail;
 557    }
 558    screen->specs.shader_core_count = val;
 559
 560    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_STREAM_COUNT, &val)) {
 561       DBG("could not get ETNA_GPU_STREAM_COUNT");
 562       goto fail;
 563    }
 564    screen->specs.stream_count = val;
 565
 566    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_REGISTER_MAX, &val)) {
 567       DBG("could not get ETNA_GPU_REGISTER_MAX");
 568       goto fail;
 569    }
 570    screen->specs.max_registers = val;
 571
 572    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_PIXEL_PIPES, &val)) {
 573       DBG("could not get ETNA_GPU_PIXEL_PIPES");
 574       goto fail;
 575    }
 576    if (val < 1 && val > ETNA_MAX_PIXELPIPES) {
 577       if (val == 0) {
 578          fprintf(stderr, "Warning: zero pixel pipes (update kernel?)\n");
 579          val = 1;
 580       } else {
 581          fprintf(stderr, "Error: bad pixel pipes value %u\n",
 582                  (unsigned int)val);
 583          goto fail;
 584       }
 585    }
 586    screen->specs.pixel_pipes = val;
 587
 588    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_NUM_CONSTANTS, &val)) {
 589       DBG("could not get %s", "ETNA_GPU_NUM_CONSTANTS");
 590       goto fail;
 591    }
 592    if (val == 0) {
 593       fprintf(stderr, "Warning: zero num constants (update kernel?)\n");
 594       val = 168;
 595    }
 596    screen->specs.num_constants = val;
 597
 598    screen->specs.can_supertile =
 599       VIV_FEATURE(screen, chipMinorFeatures0, SUPER_TILED);
 600    screen->specs.bits_per_tile =
 601       VIV_FEATURE(screen, chipMinorFeatures0, 2BITPERTILE) ? 2 : 4;
 602    screen->specs.ts_clear_value =
 603       VIV_FEATURE(screen, chipMinorFeatures0, 2BITPERTILE) ? 0x55555555
 604                                                            : 0x11111111;
 605
 606    /* vertex and fragment samplers live in one address space */
 607    screen->specs.vertex_sampler_offset = 8;
 608    screen->specs.fragment_sampler_count = 8;
 609    screen->specs.vertex_sampler_count = 4;
 610    screen->specs.vs_need_z_div =
 611       screen->model < 0x1000 && screen->model != 0x880;
 612    screen->specs.has_sin_cos_sqrt =
 613       VIV_FEATURE(screen, chipMinorFeatures0, HAS_SQRT_TRIG);
 614    screen->specs.has_sign_floor_ceil =
 615       VIV_FEATURE(screen, chipMinorFeatures0, HAS_SIGN_FLOOR_CEIL);
 616    screen->specs.has_shader_range_registers =
 617       screen->model >= 0x1000 || screen->model == 0x880;
 618    screen->specs.npot_tex_any_wrap =
 619       VIV_FEATURE(screen, chipMinorFeatures1, NON_POWER_OF_TWO);
 620
 621    if (instruction_count > 256) { /* unified instruction memory? */
 622       screen->specs.vs_offset = 0xC000;
 623       screen->specs.ps_offset = 0xD000; /* like vivante driver */
 624       screen->specs.max_instructions = 256;
 625    } else {
 626       screen->specs.vs_offset = 0x4000;
 627       screen->specs.ps_offset = 0x6000;
 628       screen->specs.max_instructions = instruction_count / 2;
 629    }
 630
 631    if (VIV_FEATURE(screen, chipMinorFeatures1, HALTI0)) {
 632       screen->specs.max_varyings = 12;
 633       screen->specs.vertex_max_elements = 16;
 634    } else {
 635       screen->specs.max_varyings = 8;
 636       /* Etna_viv documentation seems confused over the correct value
 637        * here so choose the lower to be safe: HALTI0 says 16 i.s.o.
 638        * 10, but VERTEX_ELEMENT_CONFIG register says 16 i.s.o. 12. */
 639       screen->specs.vertex_max_elements = 10;
 640    }
 641
 642    /* Etna_viv documentation does not indicate where varyings above 8 are
 643     * stored. Moreover, if we are passed more than 8 varyings, we will
 644     * walk off the end of some arrays. Limit the maximum number of varyings. */
 645    if (screen->specs.max_varyings > ETNA_NUM_VARYINGS)
 646       screen->specs.max_varyings = ETNA_NUM_VARYINGS;
 647
 648    /* from QueryShaderCaps in kernel driver */
 649    if (screen->model < chipModel_GC4000) {
 650       screen->specs.max_vs_uniforms = 168;
 651       screen->specs.max_ps_uniforms = 64;
 652    } else {
 653       screen->specs.max_vs_uniforms = 256;
 654       screen->specs.max_ps_uniforms = 256;
 655    }
 656
 657    screen->specs.max_texture_size =
 658       VIV_FEATURE(screen, chipMinorFeatures0, TEXTURE_8K) ? 8192 : 2048;
 659    screen->specs.max_rendertarget_size =
 660       VIV_FEATURE(screen, chipMinorFeatures0, RENDERTARGET_8K) ? 8192 : 2048;
 661
 662    return true;
 663
 664 fail:
 665    return false;
 666 }
 667
 668 boolean
 669 etna_screen_bo_get_handle(struct pipe_screen *pscreen, struct etna_bo *bo,
 670                           unsigned stride, struct winsys_handle *whandle)
 671 {
 672    whandle->stride = stride;
 673
 674    if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 675       return etna_bo_get_name(bo, &whandle->handle) == 0;
 676    } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 677       whandle->handle = etna_bo_handle(bo);
 678       return TRUE;
 679    } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 680       whandle->handle = etna_bo_dmabuf(bo);
 681       return TRUE;
 682    } else {
 683       return FALSE;
 684    }
 685 }
 686
 687 struct etna_bo *
 688 etna_screen_bo_from_handle(struct pipe_screen *pscreen,
 689                            struct winsys_handle *whandle, unsigned *out_stride)
 690 {
 691    struct etna_screen *screen = etna_screen(pscreen);
 692    struct etna_bo *bo;
 693
 694    if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 695       bo = etna_bo_from_name(screen->dev, whandle->handle);
 696    } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 697       bo = etna_bo_from_dmabuf(screen->dev, whandle->handle);
 698    } else {
 699       DBG("Attempt to import unsupported handle type %d", whandle->type);
 700       return NULL;
 701    }
 702
 703    if (!bo) {
 704       DBG("ref name 0x%08x failed", whandle->handle);
 705       return NULL;
 706    }
 707
 708    *out_stride = whandle->stride;
 709
 710    return bo;
 711 }
 712
 713 struct pipe_screen *
 714 etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
 715                    struct renderonly *ro)
 716 {
 717    struct etna_screen *screen = CALLOC_STRUCT(etna_screen);
 718    struct pipe_screen *pscreen;
 719    uint64_t val;
 720
 721    if (!screen)
 722       return NULL;
 723
 724    pscreen = &screen->base;
 725    screen->dev = dev;
 726    screen->gpu = gpu;
 727    screen->ro = renderonly_dup(ro);
 728
 729    if (!screen->ro) {
 730       DBG("could not create renderonly object");
 731       goto fail;
 732    }
 733
 734    etna_mesa_debug = debug_get_option_etna_mesa_debug();
 735
 736    /* FIXME: Disable tile status for stability at the moment */
 737    etna_mesa_debug |= ETNA_DBG_NO_TS;
 738
 739    screen->pipe = etna_pipe_new(gpu, ETNA_PIPE_3D);
 740    if (!screen->pipe) {
 741       DBG("could not create 3d pipe");
 742       goto fail;
 743    }
 744
 745    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_MODEL, &val)) {
 746       DBG("could not get ETNA_GPU_MODEL");
 747       goto fail;
 748    }
 749    screen->model = val;
 750
 751    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_REVISION, &val)) {
 752       DBG("could not get ETNA_GPU_REVISION");
 753       goto fail;
 754    }
 755    screen->revision = val;
 756
 757    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_0, &val)) {
 758       DBG("could not get ETNA_GPU_FEATURES_0");
 759       goto fail;
 760    }
 761    screen->features[0] = val;
 762
 763    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_1, &val)) {
 764       DBG("could not get ETNA_GPU_FEATURES_1");
 765       goto fail;
 766    }
 767    screen->features[1] = val;
 768
 769    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_2, &val)) {
 770       DBG("could not get ETNA_GPU_FEATURES_2");
 771       goto fail;
 772    }
 773    screen->features[2] = val;
 774
 775    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_3, &val)) {
 776       DBG("could not get ETNA_GPU_FEATURES_3");
 777       goto fail;
 778    }
 779    screen->features[3] = val;
 780
 781    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_4, &val)) {
 782       DBG("could not get ETNA_GPU_FEATURES_4");
 783       goto fail;
 784    }
 785    screen->features[4] = val;
 786
 787    if (!etna_get_specs(screen))
 788       goto fail;
 789
 790    pscreen->destroy = etna_screen_destroy;
 791    pscreen->get_param = etna_screen_get_param;
 792    pscreen->get_paramf = etna_screen_get_paramf;
 793    pscreen->get_shader_param = etna_screen_get_shader_param;
 794
 795    pscreen->get_name = etna_screen_get_name;
 796    pscreen->get_vendor = etna_screen_get_vendor;
 797    pscreen->get_device_vendor = etna_screen_get_device_vendor;
 798
 799    pscreen->get_timestamp = etna_screen_get_timestamp;
 800    pscreen->context_create = etna_context_create;
 801    pscreen->is_format_supported = etna_screen_is_format_supported;
 802
 803    etna_fence_screen_init(pscreen);
 804    etna_query_screen_init(pscreen);
 805    etna_resource_screen_init(pscreen);
 806
 807    slab_create_parent(&screen->transfer_pool, sizeof(struct etna_transfer), 16);
 808
 809    return pscreen;
 810
 811 fail:
 812    etna_screen_destroy(pscreen);
 813    return NULL;
 814 }