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_OCCLUSION_QUERY: /* Not implemented - fake it for OpenGL2 */
 296       return 1;
 297
 298    case PIPE_CAP_QUERY_TIME_ELAPSED:
 299    case PIPE_CAP_QUERY_TIMESTAMP:
 300       return 1;
 301    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 302       return 0;
 303
 304    /* Preferences */
 305    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 306       return 0;
 307
 308    case PIPE_CAP_PCI_GROUP:
 309    case PIPE_CAP_PCI_BUS:
 310    case PIPE_CAP_PCI_DEVICE:
 311    case PIPE_CAP_PCI_FUNCTION:
 312       return 0;
 313    case PIPE_CAP_VENDOR_ID:
 314    case PIPE_CAP_DEVICE_ID:
 315       return 0xFFFFFFFF;
 316    case PIPE_CAP_ACCELERATED:
 317       return 1;
 318    case PIPE_CAP_VIDEO_MEMORY:
 319       return 0;
 320    case PIPE_CAP_UMA:
 321       return 1;
 322    }
 323
 324    debug_printf("unknown param %d", param);
 325    return 0;
 326 }
 327
 328 static float
 329 etna_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 330 {
 331    switch (param) {
 332    case PIPE_CAPF_MAX_LINE_WIDTH:
 333    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 334    case PIPE_CAPF_MAX_POINT_WIDTH:
 335    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 336       return 8192.0f;
 337    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 338       return 16.0f;
 339    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 340       return 16.0f;
 341    case PIPE_CAPF_GUARD_BAND_LEFT:
 342    case PIPE_CAPF_GUARD_BAND_TOP:
 343    case PIPE_CAPF_GUARD_BAND_RIGHT:
 344    case PIPE_CAPF_GUARD_BAND_BOTTOM:
 345       return 0.0f;
 346    }
 347
 348    debug_printf("unknown paramf %d", param);
 349    return 0;
 350 }
 351
 352 static int
 353 etna_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 354                              enum pipe_shader_cap param)
 355 {
 356    struct etna_screen *screen = etna_screen(pscreen);
 357
 358    switch (shader) {
 359    case PIPE_SHADER_FRAGMENT:
 360    case PIPE_SHADER_VERTEX:
 361       break;
 362    case PIPE_SHADER_COMPUTE:
 363    case PIPE_SHADER_GEOMETRY:
 364    case PIPE_SHADER_TESS_CTRL:
 365    case PIPE_SHADER_TESS_EVAL:
 366       return 0;
 367    default:
 368       DBG("unknown shader type %d", shader);
 369       return 0;
 370    }
 371
 372    switch (param) {
 373    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 374    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 375    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 376    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 377       return ETNA_MAX_TOKENS;
 378    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 379       return ETNA_MAX_DEPTH; /* XXX */
 380    case PIPE_SHADER_CAP_MAX_INPUTS:
 381       /* Maximum number of inputs for the vertex shader is the number
 382        * of vertex elements - each element defines one vertex shader
 383        * input register.  For the fragment shader, this is the number
 384        * of varyings. */
 385       return shader == PIPE_SHADER_FRAGMENT ? screen->specs.max_varyings
 386                                             : screen->specs.vertex_max_elements;
 387    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 388       return 16; /* see VIVS_VS_OUTPUT */
 389    case PIPE_SHADER_CAP_MAX_TEMPS:
 390       return 64; /* Max native temporaries. */
 391    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 392       return 1;
 393    case PIPE_SHADER_CAP_MAX_PREDS:
 394       return 0; /* nothing uses this */
 395    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 396       return 1;
 397    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 398    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 399    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 400    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 401       return 1;
 402    case PIPE_SHADER_CAP_SUBROUTINES:
 403       return 0;
 404    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 405       return VIV_FEATURE(screen, chipMinorFeatures0, HAS_SQRT_TRIG);
 406    case PIPE_SHADER_CAP_INTEGERS:
 407       return 0;
 408    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 409    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 410       return shader == PIPE_SHADER_FRAGMENT
 411                 ? screen->specs.fragment_sampler_count
 412                 : screen->specs.vertex_sampler_count;
 413    case PIPE_SHADER_CAP_PREFERRED_IR:
 414       return PIPE_SHADER_IR_TGSI;
 415    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 416       return 4096;
 417    case PIPE_SHADER_CAP_DOUBLES:
 418    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 419    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 420    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 421    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 422       return false;
 423    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 424       return 0;
 425    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 426       return 32;
 427    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 428    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 429    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 430       return 0;
 431    }
 432
 433    debug_printf("unknown shader param %d", param);
 434    return 0;
 435 }
 436
 437 static uint64_t
 438 etna_screen_get_timestamp(struct pipe_screen *pscreen)
 439 {
 440    return os_time_get_nano();
 441 }
 442
 443 static bool
 444 gpu_supports_texure_format(struct etna_screen *screen, uint32_t fmt)
 445 {
 446    if (fmt == TEXTURE_FORMAT_ETC1)
 447       return VIV_FEATURE(screen, chipFeatures, ETC1_TEXTURE_COMPRESSION);
 448
 449    if (fmt >= TEXTURE_FORMAT_DXT1 && fmt <= TEXTURE_FORMAT_DXT4_DXT5)
 450       return VIV_FEATURE(screen, chipFeatures, DXT_TEXTURE_COMPRESSION);
 451
 452    return true;
 453 }
 454
 455 static boolean
 456 etna_screen_is_format_supported(struct pipe_screen *pscreen,
 457                                 enum pipe_format format,
 458                                 enum pipe_texture_target target,
 459                                 unsigned sample_count, unsigned usage)
 460 {
 461    struct etna_screen *screen = etna_screen(pscreen);
 462    unsigned allowed = 0;
 463
 464    if (target != PIPE_BUFFER &&
 465        target != PIPE_TEXTURE_1D &&
 466        target != PIPE_TEXTURE_2D &&
 467        target != PIPE_TEXTURE_3D &&
 468        target != PIPE_TEXTURE_CUBE &&
 469        target != PIPE_TEXTURE_RECT)
 470       return FALSE;
 471
 472    if (usage & PIPE_BIND_RENDER_TARGET) {
 473       /* if render target, must be RS-supported format */
 474       if (translate_rs_format(format) != ETNA_NO_MATCH) {
 475          /* Validate MSAA; number of samples must be allowed, and render target
 476           * must have MSAA'able format. */
 477          if (sample_count > 1) {
 478             if (translate_samples_to_xyscale(sample_count, NULL, NULL, NULL) &&
 479                 translate_msaa_format(format) != ETNA_NO_MATCH) {
 480                allowed |= PIPE_BIND_RENDER_TARGET;
 481             }
 482          } else {
 483             allowed |= PIPE_BIND_RENDER_TARGET;
 484          }
 485       }
 486    }
 487
 488    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 489       if (translate_depth_format(format) != ETNA_NO_MATCH)
 490          allowed |= PIPE_BIND_DEPTH_STENCIL;
 491    }
 492
 493    if (usage & PIPE_BIND_SAMPLER_VIEW) {
 494       uint32_t fmt = translate_texture_format(format);
 495
 496       if (!gpu_supports_texure_format(screen, fmt))
 497          fmt = ETNA_NO_MATCH;
 498
 499       if (sample_count < 2 && fmt != ETNA_NO_MATCH)
 500          allowed |= PIPE_BIND_SAMPLER_VIEW;
 501    }
 502
 503    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 504       if (translate_vertex_format_type(format) != ETNA_NO_MATCH)
 505          allowed |= PIPE_BIND_VERTEX_BUFFER;
 506    }
 507
 508    if (usage & PIPE_BIND_INDEX_BUFFER) {
 509       /* must be supported index format */
 510       if (format == PIPE_FORMAT_I8_UINT || format == PIPE_FORMAT_I16_UINT ||
 511           (format == PIPE_FORMAT_I32_UINT &&
 512            VIV_FEATURE(screen, chipFeatures, 32_BIT_INDICES))) {
 513          allowed |= PIPE_BIND_INDEX_BUFFER;
 514       }
 515    }
 516
 517    /* Always allowed */
 518    allowed |=
 519       usage & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED);
 520
 521    if (usage != allowed) {
 522       DBG("not supported: format=%s, target=%d, sample_count=%d, "
 523           "usage=%x, allowed=%x",
 524           util_format_name(format), target, sample_count, usage, allowed);
 525    }
 526
 527    return usage == allowed;
 528 }
 529
 530 static boolean
 531 etna_get_specs(struct etna_screen *screen)
 532 {
 533    uint64_t val;
 534    uint32_t instruction_count;
 535
 536    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_INSTRUCTION_COUNT, &val)) {
 537       DBG("could not get ETNA_GPU_INSTRUCTION_COUNT");
 538       goto fail;
 539    }
 540    instruction_count = val;
 541
 542    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE,
 543                           &val)) {
 544       DBG("could not get ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE");
 545       goto fail;
 546    }
 547    screen->specs.vertex_output_buffer_size = val;
 548
 549    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_VERTEX_CACHE_SIZE, &val)) {
 550       DBG("could not get ETNA_GPU_VERTEX_CACHE_SIZE");
 551       goto fail;
 552    }
 553    screen->specs.vertex_cache_size = val;
 554
 555    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_SHADER_CORE_COUNT, &val)) {
 556       DBG("could not get ETNA_GPU_SHADER_CORE_COUNT");
 557       goto fail;
 558    }
 559    screen->specs.shader_core_count = val;
 560
 561    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_STREAM_COUNT, &val)) {
 562       DBG("could not get ETNA_GPU_STREAM_COUNT");
 563       goto fail;
 564    }
 565    screen->specs.stream_count = val;
 566
 567    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_REGISTER_MAX, &val)) {
 568       DBG("could not get ETNA_GPU_REGISTER_MAX");
 569       goto fail;
 570    }
 571    screen->specs.max_registers = val;
 572
 573    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_PIXEL_PIPES, &val)) {
 574       DBG("could not get ETNA_GPU_PIXEL_PIPES");
 575       goto fail;
 576    }
 577    if (val < 1 && val > ETNA_MAX_PIXELPIPES) {
 578       if (val == 0) {
 579          fprintf(stderr, "Warning: zero pixel pipes (update kernel?)\n");
 580          val = 1;
 581       } else {
 582          fprintf(stderr, "Error: bad pixel pipes value %u\n",
 583                  (unsigned int)val);
 584          goto fail;
 585       }
 586    }
 587    screen->specs.pixel_pipes = val;
 588
 589    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_NUM_CONSTANTS, &val)) {
 590       DBG("could not get %s", "ETNA_GPU_NUM_CONSTANTS");
 591       goto fail;
 592    }
 593    if (val == 0) {
 594       fprintf(stderr, "Warning: zero num constants (update kernel?)\n");
 595       val = 168;
 596    }
 597    screen->specs.num_constants = val;
 598
 599    screen->specs.can_supertile =
 600       VIV_FEATURE(screen, chipMinorFeatures0, SUPER_TILED);
 601    screen->specs.bits_per_tile =
 602       VIV_FEATURE(screen, chipMinorFeatures0, 2BITPERTILE) ? 2 : 4;
 603    screen->specs.ts_clear_value =
 604       VIV_FEATURE(screen, chipMinorFeatures0, 2BITPERTILE) ? 0x55555555
 605                                                            : 0x11111111;
 606
 607    /* vertex and fragment samplers live in one address space */
 608    screen->specs.vertex_sampler_offset = 8;
 609    screen->specs.fragment_sampler_count = 8;
 610    screen->specs.vertex_sampler_count = 4;
 611    screen->specs.vs_need_z_div =
 612       screen->model < 0x1000 && screen->model != 0x880;
 613    screen->specs.has_sin_cos_sqrt =
 614       VIV_FEATURE(screen, chipMinorFeatures0, HAS_SQRT_TRIG);
 615    screen->specs.has_sign_floor_ceil =
 616       VIV_FEATURE(screen, chipMinorFeatures0, HAS_SIGN_FLOOR_CEIL);
 617    screen->specs.has_shader_range_registers =
 618       screen->model >= 0x1000 || screen->model == 0x880;
 619    screen->specs.npot_tex_any_wrap =
 620       VIV_FEATURE(screen, chipMinorFeatures1, NON_POWER_OF_TWO);
 621
 622    if (instruction_count > 256) { /* unified instruction memory? */
 623       screen->specs.vs_offset = 0xC000;
 624       screen->specs.ps_offset = 0xD000; /* like vivante driver */
 625       screen->specs.max_instructions = 256;
 626    } else {
 627       screen->specs.vs_offset = 0x4000;
 628       screen->specs.ps_offset = 0x6000;
 629       screen->specs.max_instructions = instruction_count / 2;
 630    }
 631
 632    if (VIV_FEATURE(screen, chipMinorFeatures1, HALTI0)) {
 633       screen->specs.max_varyings = 12;
 634       screen->specs.vertex_max_elements = 16;
 635    } else {
 636       screen->specs.max_varyings = 8;
 637       /* Etna_viv documentation seems confused over the correct value
 638        * here so choose the lower to be safe: HALTI0 says 16 i.s.o.
 639        * 10, but VERTEX_ELEMENT_CONFIG register says 16 i.s.o. 12. */
 640       screen->specs.vertex_max_elements = 10;
 641    }
 642
 643    /* Etna_viv documentation does not indicate where varyings above 8 are
 644     * stored. Moreover, if we are passed more than 8 varyings, we will
 645     * walk off the end of some arrays. Limit the maximum number of varyings. */
 646    if (screen->specs.max_varyings > ETNA_NUM_VARYINGS)
 647       screen->specs.max_varyings = ETNA_NUM_VARYINGS;
 648
 649    /* from QueryShaderCaps in kernel driver */
 650    if (screen->model < chipModel_GC4000) {
 651       screen->specs.max_vs_uniforms = 168;
 652       screen->specs.max_ps_uniforms = 64;
 653    } else {
 654       screen->specs.max_vs_uniforms = 256;
 655       screen->specs.max_ps_uniforms = 256;
 656    }
 657
 658    screen->specs.max_texture_size =
 659       VIV_FEATURE(screen, chipMinorFeatures0, TEXTURE_8K) ? 8192 : 2048;
 660    screen->specs.max_rendertarget_size =
 661       VIV_FEATURE(screen, chipMinorFeatures0, RENDERTARGET_8K) ? 8192 : 2048;
 662
 663    return true;
 664
 665 fail:
 666    return false;
 667 }
 668
 669 boolean
 670 etna_screen_bo_get_handle(struct pipe_screen *pscreen, struct etna_bo *bo,
 671                           unsigned stride, struct winsys_handle *whandle)
 672 {
 673    whandle->stride = stride;
 674
 675    if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 676       return etna_bo_get_name(bo, &whandle->handle) == 0;
 677    } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 678       whandle->handle = etna_bo_handle(bo);
 679       return TRUE;
 680    } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 681       whandle->handle = etna_bo_dmabuf(bo);
 682       return TRUE;
 683    } else {
 684       return FALSE;
 685    }
 686 }
 687
 688 struct etna_bo *
 689 etna_screen_bo_from_handle(struct pipe_screen *pscreen,
 690                            struct winsys_handle *whandle, unsigned *out_stride)
 691 {
 692    struct etna_screen *screen = etna_screen(pscreen);
 693    struct etna_bo *bo;
 694
 695    if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 696       bo = etna_bo_from_name(screen->dev, whandle->handle);
 697    } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 698       bo = etna_bo_from_dmabuf(screen->dev, whandle->handle);
 699    } else {
 700       DBG("Attempt to import unsupported handle type %d", whandle->type);
 701       return NULL;
 702    }
 703
 704    if (!bo) {
 705       DBG("ref name 0x%08x failed", whandle->handle);
 706       return NULL;
 707    }
 708
 709    *out_stride = whandle->stride;
 710
 711    return bo;
 712 }
 713
 714 struct pipe_screen *
 715 etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
 716                    struct renderonly *ro)
 717 {
 718    struct etna_screen *screen = CALLOC_STRUCT(etna_screen);
 719    struct pipe_screen *pscreen;
 720    uint64_t val;
 721
 722    if (!screen)
 723       return NULL;
 724
 725    pscreen = &screen->base;
 726    screen->dev = dev;
 727    screen->gpu = gpu;
 728    screen->ro = renderonly_dup(ro);
 729
 730    if (!screen->ro) {
 731       DBG("could not create renderonly object");
 732       goto fail;
 733    }
 734
 735    etna_mesa_debug = debug_get_option_etna_mesa_debug();
 736
 737    /* FIXME: Disable tile status for stability at the moment */
 738    etna_mesa_debug |= ETNA_DBG_NO_TS;
 739
 740    screen->pipe = etna_pipe_new(gpu, ETNA_PIPE_3D);
 741    if (!screen->pipe) {
 742       DBG("could not create 3d pipe");
 743       goto fail;
 744    }
 745
 746    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_MODEL, &val)) {
 747       DBG("could not get ETNA_GPU_MODEL");
 748       goto fail;
 749    }
 750    screen->model = val;
 751
 752    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_REVISION, &val)) {
 753       DBG("could not get ETNA_GPU_REVISION");
 754       goto fail;
 755    }
 756    screen->revision = val;
 757
 758    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_0, &val)) {
 759       DBG("could not get ETNA_GPU_FEATURES_0");
 760       goto fail;
 761    }
 762    screen->features[0] = val;
 763
 764    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_1, &val)) {
 765       DBG("could not get ETNA_GPU_FEATURES_1");
 766       goto fail;
 767    }
 768    screen->features[1] = val;
 769
 770    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_2, &val)) {
 771       DBG("could not get ETNA_GPU_FEATURES_2");
 772       goto fail;
 773    }
 774    screen->features[2] = val;
 775
 776    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_3, &val)) {
 777       DBG("could not get ETNA_GPU_FEATURES_3");
 778       goto fail;
 779    }
 780    screen->features[3] = val;
 781
 782    if (etna_gpu_get_param(screen->gpu, ETNA_GPU_FEATURES_4, &val)) {
 783       DBG("could not get ETNA_GPU_FEATURES_4");
 784       goto fail;
 785    }
 786    screen->features[4] = val;
 787
 788    if (!etna_get_specs(screen))
 789       goto fail;
 790
 791    pscreen->destroy = etna_screen_destroy;
 792    pscreen->get_param = etna_screen_get_param;
 793    pscreen->get_paramf = etna_screen_get_paramf;
 794    pscreen->get_shader_param = etna_screen_get_shader_param;
 795
 796    pscreen->get_name = etna_screen_get_name;
 797    pscreen->get_vendor = etna_screen_get_vendor;
 798    pscreen->get_device_vendor = etna_screen_get_device_vendor;
 799
 800    pscreen->get_timestamp = etna_screen_get_timestamp;
 801    pscreen->context_create = etna_context_create;
 802    pscreen->is_format_supported = etna_screen_is_format_supported;
 803
 804    etna_fence_screen_init(pscreen);
 805    etna_query_screen_init(pscreen);
 806    etna_resource_screen_init(pscreen);
 807
 808    slab_create_parent(&screen->transfer_pool, sizeof(struct etna_transfer), 16);
 809
 810    return pscreen;
 811
 812 fail:
 813    etna_screen_destroy(pscreen);
 814    return NULL;
 815 }