src/gallium/drivers/svga/svga_screen.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "git_sha1.h" /* For MESA_GIT_SHA1 */
  27 #include "util/format/u_format.h"
  28 #include "util/u_memory.h"
  29 #include "util/u_inlines.h"
  30 #include "util/u_screen.h"
  31 #include "util/u_string.h"
  32 #include "util/u_math.h"
  33
  34 #include "os/os_process.h"
  35
  36 #include "svga_winsys.h"
  37 #include "svga_public.h"
  38 #include "svga_context.h"
  39 #include "svga_format.h"
  40 #include "svga_screen.h"
  41 #include "svga_tgsi.h"
  42 #include "svga_resource_texture.h"
  43 #include "svga_resource.h"
  44 #include "svga_debug.h"
  45
  46 #include "svga3d_shaderdefs.h"
  47 #include "VGPU10ShaderTokens.h"
  48
  49 /* NOTE: this constant may get moved into a svga3d*.h header file */
  50 #define SVGA3D_DX_MAX_RESOURCE_SIZE (128 * 1024 * 1024)
  51
  52 #ifdef DEBUG
  53 int SVGA_DEBUG = 0;
  54
  55 static const struct debug_named_value svga_debug_flags[] = {
  56    { "dma",         DEBUG_DMA, NULL },
  57    { "tgsi",        DEBUG_TGSI, NULL },
  58    { "pipe",        DEBUG_PIPE, NULL },
  59    { "state",       DEBUG_STATE, NULL },
  60    { "screen",      DEBUG_SCREEN, NULL },
  61    { "tex",         DEBUG_TEX, NULL },
  62    { "swtnl",       DEBUG_SWTNL, NULL },
  63    { "const",       DEBUG_CONSTS, NULL },
  64    { "viewport",    DEBUG_VIEWPORT, NULL },
  65    { "views",       DEBUG_VIEWS, NULL },
  66    { "perf",        DEBUG_PERF, NULL },
  67    { "flush",       DEBUG_FLUSH, NULL },
  68    { "sync",        DEBUG_SYNC, NULL },
  69    { "cache",       DEBUG_CACHE, NULL },
  70    { "streamout",   DEBUG_STREAMOUT, NULL },
  71    { "query",       DEBUG_QUERY, NULL },
  72    { "samplers",    DEBUG_SAMPLERS, NULL },
  73    DEBUG_NAMED_VALUE_END
  74 };
  75 #endif
  76
  77 static const char *
  78 svga_get_vendor( struct pipe_screen *pscreen )
  79 {
  80    return "VMware, Inc.";
  81 }
  82
  83
  84 static const char *
  85 svga_get_name( struct pipe_screen *pscreen )
  86 {
  87    const char *build = "", *llvm = "", *mutex = "";
  88    static char name[100];
  89 #ifdef DEBUG
  90    /* Only return internal details in the DEBUG version:
  91     */
  92    build = "build: DEBUG;";
  93    mutex = "mutex: " PIPE_ATOMIC ";";
  94 #else
  95    build = "build: RELEASE;";
  96 #endif
  97 #ifdef LLVM_AVAILABLE
  98    llvm = "LLVM;";
  99 #endif
 100
 101    snprintf(name, sizeof(name), "SVGA3D; %s %s %s", build, mutex, llvm);
 102    return name;
 103 }
 104
 105
 106 /** Helper for querying float-valued device cap */
 107 static float
 108 get_float_cap(struct svga_winsys_screen *sws, SVGA3dDevCapIndex cap,
 109               float defaultVal)
 110 {
 111    SVGA3dDevCapResult result;
 112    if (sws->get_cap(sws, cap, &result))
 113       return result.f;
 114    else
 115       return defaultVal;
 116 }
 117
 118
 119 /** Helper for querying uint-valued device cap */
 120 static unsigned
 121 get_uint_cap(struct svga_winsys_screen *sws, SVGA3dDevCapIndex cap,
 122              unsigned defaultVal)
 123 {
 124    SVGA3dDevCapResult result;
 125    if (sws->get_cap(sws, cap, &result))
 126       return result.u;
 127    else
 128       return defaultVal;
 129 }
 130
 131
 132 /** Helper for querying boolean-valued device cap */
 133 static boolean
 134 get_bool_cap(struct svga_winsys_screen *sws, SVGA3dDevCapIndex cap,
 135              boolean defaultVal)
 136 {
 137    SVGA3dDevCapResult result;
 138    if (sws->get_cap(sws, cap, &result))
 139       return result.b;
 140    else
 141       return defaultVal;
 142 }
 143
 144
 145 static float
 146 svga_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
 147 {
 148    struct svga_screen *svgascreen = svga_screen(screen);
 149    struct svga_winsys_screen *sws = svgascreen->sws;
 150
 151    switch (param) {
 152    case PIPE_CAPF_MAX_LINE_WIDTH:
 153       return svgascreen->maxLineWidth;
 154    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 155       return svgascreen->maxLineWidthAA;
 156
 157    case PIPE_CAPF_MAX_POINT_WIDTH:
 158       /* fall-through */
 159    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 160       return svgascreen->maxPointSize;
 161
 162    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 163       return (float) get_uint_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY, 4);
 164
 165    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 166       return 15.0;
 167
 168    case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 169       /* fall-through */
 170    case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 171       /* fall-through */
 172    case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 173       return 0.0f;
 174
 175    }
 176
 177    debug_printf("Unexpected PIPE_CAPF_ query %u\n", param);
 178    return 0;
 179 }
 180
 181
 182 static int
 183 svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
 184 {
 185    struct svga_screen *svgascreen = svga_screen(screen);
 186    struct svga_winsys_screen *sws = svgascreen->sws;
 187    SVGA3dDevCapResult result;
 188
 189    switch (param) {
 190    case PIPE_CAP_NPOT_TEXTURES:
 191    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 192    case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 193       return 1;
 194    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 195       /*
 196        * "In virtually every OpenGL implementation and hardware,
 197        * GL_MAX_DUAL_SOURCE_DRAW_BUFFERS is 1"
 198        * http://www.opengl.org/wiki/Blending
 199        */
 200       return sws->have_vgpu10 ? 1 : 0;
 201    case PIPE_CAP_ANISOTROPIC_FILTER:
 202       return 1;
 203    case PIPE_CAP_POINT_SPRITE:
 204       return 1;
 205    case PIPE_CAP_TGSI_TEXCOORD:
 206       return 0;
 207    case PIPE_CAP_MAX_RENDER_TARGETS:
 208       return svgascreen->max_color_buffers;
 209    case PIPE_CAP_OCCLUSION_QUERY:
 210       return 1;
 211    case PIPE_CAP_QUERY_TIME_ELAPSED:
 212       return 0;
 213    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 214       return sws->have_vgpu10;
 215    case PIPE_CAP_TEXTURE_SWIZZLE:
 216       return 1;
 217    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 218       return 0;
 219    case PIPE_CAP_USER_VERTEX_BUFFERS:
 220       return 0;
 221    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 222       return 256;
 223
 224    case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 225       {
 226          unsigned size = 1 << (SVGA_MAX_TEXTURE_LEVELS - 1);
 227          if (sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH, &result))
 228             size = MIN2(result.u, size);
 229          else
 230             size = 2048;
 231          if (sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT, &result))
 232             size = MIN2(result.u, size);
 233          else
 234             size = 2048;
 235          return size;
 236       }
 237
 238    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 239       if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VOLUME_EXTENT, &result))
 240          return 8;  /* max 128x128x128 */
 241       return MIN2(util_logbase2(result.u) + 1, SVGA_MAX_TEXTURE_LEVELS);
 242
 243    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 244       /*
 245        * No mechanism to query the host, and at least limited to 2048x2048 on
 246        * certain hardware.
 247        */
 248       return MIN2(util_last_bit(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_SIZE)),
 249                   12 /* 2048x2048 */);
 250
 251    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 252       return sws->have_vgpu10 ? SVGA3D_MAX_SURFACE_ARRAYSIZE : 0;
 253
 254    case PIPE_CAP_BLEND_EQUATION_SEPARATE: /* req. for GL 1.5 */
 255       return 1;
 256
 257    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 258       return 1;
 259    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 260       return sws->have_vgpu10;
 261    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 262       return 0;
 263    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 264       return !sws->have_vgpu10;
 265
 266    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 267       return 1; /* The color outputs of vertex shaders are not clamped */
 268    case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 269       return 0; /* The driver can't clamp vertex colors */
 270    case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 271       return 0; /* The driver can't clamp fragment colors */
 272
 273    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 274       return 1; /* expected for GL_ARB_framebuffer_object */
 275
 276    case PIPE_CAP_GLSL_FEATURE_LEVEL:
 277       return sws->have_vgpu10 ? 330 : 120;
 278
 279    case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 280       return sws->have_vgpu10 ? 330 : 120;
 281
 282    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 283    case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
 284       return 0;
 285
 286    case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
 287    case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
 288    case PIPE_CAP_VERTEX_SHADER_SATURATE:
 289       return 1;
 290
 291    case PIPE_CAP_DEPTH_CLIP_DISABLE:
 292    case PIPE_CAP_INDEP_BLEND_ENABLE:
 293    case PIPE_CAP_CONDITIONAL_RENDER:
 294    case PIPE_CAP_QUERY_TIMESTAMP:
 295    case PIPE_CAP_TGSI_INSTANCEID:
 296    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 297    case PIPE_CAP_SEAMLESS_CUBE_MAP:
 298    case PIPE_CAP_FAKE_SW_MSAA:
 299       return sws->have_vgpu10;
 300
 301    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 302       return sws->have_vgpu10 ? SVGA3D_DX_MAX_SOTARGETS : 0;
 303    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 304       return sws->have_vgpu10 ? 4 : 0;
 305    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 306       return sws->have_vgpu10 ? SVGA3D_MAX_STREAMOUT_DECLS : 0;
 307    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 308    case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
 309       return 0;
 310    case PIPE_CAP_TEXTURE_MULTISAMPLE:
 311       return svgascreen->ms_samples ? 1 : 0;
 312
 313    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 314       /* convert bytes to texels for the case of the largest texel
 315        * size: float[4].
 316        */
 317       return SVGA3D_DX_MAX_RESOURCE_SIZE / (4 * sizeof(float));
 318
 319    case PIPE_CAP_MIN_TEXEL_OFFSET:
 320       return sws->have_vgpu10 ? VGPU10_MIN_TEXEL_FETCH_OFFSET : 0;
 321    case PIPE_CAP_MAX_TEXEL_OFFSET:
 322       return sws->have_vgpu10 ? VGPU10_MAX_TEXEL_FETCH_OFFSET : 0;
 323
 324    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 325    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 326       return 0;
 327
 328    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 329       return sws->have_vgpu10 ? 256 : 0;
 330    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 331       return sws->have_vgpu10 ? 1024 : 0;
 332
 333    case PIPE_CAP_PRIMITIVE_RESTART:
 334       return 1; /* may be a sw fallback, depending on restart index */
 335
 336    case PIPE_CAP_GENERATE_MIPMAP:
 337       return sws->have_generate_mipmap_cmd;
 338
 339    case PIPE_CAP_NATIVE_FENCE_FD:
 340       return sws->have_fence_fd;
 341
 342    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 343       return 1;
 344
 345    case PIPE_CAP_CUBE_MAP_ARRAY:
 346    case PIPE_CAP_INDEP_BLEND_FUNC:
 347    case PIPE_CAP_SAMPLE_SHADING:
 348    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 349    case PIPE_CAP_TEXTURE_QUERY_LOD:
 350       return sws->have_sm4_1;
 351
 352    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 353       return sws->have_sm4_1 ? 1 : 0; /* only single-channel textures */
 354    case PIPE_CAP_MAX_VARYINGS:
 355       return sws->have_vgpu10 ? VGPU10_MAX_FS_INPUTS : 10;
 356    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 357       return sws->have_coherent;
 358
 359    /* Unsupported features */
 360    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 361    case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:
 362    case PIPE_CAP_SHADER_STENCIL_EXPORT:
 363    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 364    case PIPE_CAP_TEXTURE_BARRIER:
 365    case PIPE_CAP_MAX_VERTEX_STREAMS:
 366    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 367    case PIPE_CAP_COMPUTE:
 368    case PIPE_CAP_START_INSTANCE:
 369    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 370    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 371    case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 372    case PIPE_CAP_TEXTURE_GATHER_SM5:
 373    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 374    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 375    case PIPE_CAP_DRAW_INDIRECT:
 376    case PIPE_CAP_MULTI_DRAW_INDIRECT:
 377    case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 378    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 379    case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 380    case PIPE_CAP_SAMPLER_VIEW_TARGET:
 381    case PIPE_CAP_CLIP_HALFZ:
 382    case PIPE_CAP_VERTEXID_NOBASE:
 383    case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 384    case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 385    case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 386    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 387    case PIPE_CAP_INVALIDATE_BUFFER:
 388    case PIPE_CAP_STRING_MARKER:
 389    case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 390    case PIPE_CAP_QUERY_MEMORY_INFO:
 391    case PIPE_CAP_PCI_GROUP:
 392    case PIPE_CAP_PCI_BUS:
 393    case PIPE_CAP_PCI_DEVICE:
 394    case PIPE_CAP_PCI_FUNCTION:
 395    case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 396    case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
 397    case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
 398    case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
 399    case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
 400    case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
 401    case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
 402    case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
 403       return 0;
 404    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 405       return 64;
 406    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 407    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 408    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 409       return 1;  /* need 4-byte alignment for all offsets and strides */
 410    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 411       return 2048;
 412    case PIPE_CAP_MAX_VIEWPORTS:
 413       return 1;
 414    case PIPE_CAP_ENDIANNESS:
 415       return PIPE_ENDIAN_LITTLE;
 416
 417    case PIPE_CAP_VENDOR_ID:
 418       return 0x15ad; /* VMware Inc. */
 419    case PIPE_CAP_DEVICE_ID:
 420       return 0x0405; /* assume SVGA II */
 421    case PIPE_CAP_ACCELERATED:
 422       return 0; /* XXX: */
 423    case PIPE_CAP_VIDEO_MEMORY:
 424       /* XXX: Query the host ? */
 425       return 1;
 426    case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 427       return sws->have_vgpu10;
 428    case PIPE_CAP_CLEAR_TEXTURE:
 429       return sws->have_vgpu10;
 430    case PIPE_CAP_UMA:
 431    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 432    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 433    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 434    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 435    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 436    case PIPE_CAP_DEPTH_BOUNDS_TEST:
 437    case PIPE_CAP_TGSI_TXQS:
 438    case PIPE_CAP_SHAREABLE_SHADERS:
 439    case PIPE_CAP_DRAW_PARAMETERS:
 440    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 441    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 442    case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 443    case PIPE_CAP_QUERY_BUFFER_OBJECT:
 444    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 445    case PIPE_CAP_CULL_DISTANCE:
 446    case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 447    case PIPE_CAP_TGSI_VOTE:
 448    case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 449    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 450    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 451    case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 452    case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 453    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 454    case PIPE_CAP_FBFETCH:
 455    case PIPE_CAP_TGSI_MUL_ZERO_WINS:
 456    case PIPE_CAP_DOUBLES:
 457    case PIPE_CAP_INT64:
 458    case PIPE_CAP_INT64_DIVMOD:
 459    case PIPE_CAP_TGSI_TEX_TXF_LZ:
 460    case PIPE_CAP_TGSI_CLOCK:
 461    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
 462    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
 463    case PIPE_CAP_TGSI_BALLOT:
 464    case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
 465    case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
 466    case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
 467    case PIPE_CAP_POST_DEPTH_COVERAGE:
 468    case PIPE_CAP_BINDLESS_TEXTURE:
 469    case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
 470    case PIPE_CAP_QUERY_SO_OVERFLOW:
 471    case PIPE_CAP_MEMOBJ:
 472    case PIPE_CAP_LOAD_CONSTBUF:
 473    case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
 474    case PIPE_CAP_TILE_RASTER_ORDER:
 475    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
 476    case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS:
 477    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 478    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
 479    case PIPE_CAP_FENCE_SIGNAL:
 480    case PIPE_CAP_CONSTBUF0_FLAGS:
 481    case PIPE_CAP_PACKED_UNIFORMS:
 482    case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
 483       return 0;
 484    case PIPE_CAP_TGSI_DIV:
 485       return 1;
 486    case PIPE_CAP_MAX_GS_INVOCATIONS:
 487       return 32;
 488    case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
 489       return 1 << 27;
 490    default:
 491       return u_pipe_screen_get_param_defaults(screen, param);
 492    }
 493 }
 494
 495
 496 static int
 497 vgpu9_get_shader_param(struct pipe_screen *screen,
 498                        enum pipe_shader_type shader,
 499                        enum pipe_shader_cap param)
 500 {
 501    struct svga_screen *svgascreen = svga_screen(screen);
 502    struct svga_winsys_screen *sws = svgascreen->sws;
 503    unsigned val;
 504
 505    assert(!sws->have_vgpu10);
 506
 507    switch (shader)
 508    {
 509    case PIPE_SHADER_FRAGMENT:
 510       switch (param)
 511       {
 512       case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 513       case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 514          return get_uint_cap(sws,
 515                              SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_INSTRUCTIONS,
 516                              512);
 517       case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 518       case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 519          return 512;
 520       case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 521          return SVGA3D_MAX_NESTING_LEVEL;
 522       case PIPE_SHADER_CAP_MAX_INPUTS:
 523          return 10;
 524       case PIPE_SHADER_CAP_MAX_OUTPUTS:
 525          return svgascreen->max_color_buffers;
 526       case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 527          return 224 * sizeof(float[4]);
 528       case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 529          return 1;
 530       case PIPE_SHADER_CAP_MAX_TEMPS:
 531          val = get_uint_cap(sws, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS, 32);
 532          return MIN2(val, SVGA3D_TEMPREG_MAX);
 533       case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 534          /*
 535           * Although PS 3.0 has some addressing abilities it can only represent
 536           * loops that can be statically determined and unrolled. Given we can
 537           * only handle a subset of the cases that the gallium frontend already
 538           * does it is better to defer loop unrolling to the gallium frontend.
 539           */
 540          return 0;
 541       case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 542          return 0;
 543       case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 544          return 0;
 545       case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 546       case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 547       case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 548          return 0;
 549       case PIPE_SHADER_CAP_SUBROUTINES:
 550          return 0;
 551       case PIPE_SHADER_CAP_INT64_ATOMICS:
 552       case PIPE_SHADER_CAP_INTEGERS:
 553          return 0;
 554       case PIPE_SHADER_CAP_FP16:
 555       case PIPE_SHADER_CAP_FP16_DERIVATIVES:
 556       case PIPE_SHADER_CAP_INT16:
 557          return 0;
 558       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 559       case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 560          return 16;
 561       case PIPE_SHADER_CAP_PREFERRED_IR:
 562          return PIPE_SHADER_IR_TGSI;
 563       case PIPE_SHADER_CAP_SUPPORTED_IRS:
 564          return 0;
 565       case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 566       case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 567       case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 568       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 569       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 570       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 571       case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 572       case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 573       case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 574       case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 575       case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 576          return 0;
 577       case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 578          return 32;
 579       }
 580       /* If we get here, we failed to handle a cap above */
 581       debug_printf("Unexpected fragment shader query %u\n", param);
 582       return 0;
 583    case PIPE_SHADER_VERTEX:
 584       switch (param)
 585       {
 586       case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 587       case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 588          return get_uint_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS,
 589                              512);
 590       case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 591       case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 592          /* XXX: until we have vertex texture support */
 593          return 0;
 594       case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 595          return SVGA3D_MAX_NESTING_LEVEL;
 596       case PIPE_SHADER_CAP_MAX_INPUTS:
 597          return 16;
 598       case PIPE_SHADER_CAP_MAX_OUTPUTS:
 599          return 10;
 600       case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 601          return 256 * sizeof(float[4]);
 602       case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 603          return 1;
 604       case PIPE_SHADER_CAP_MAX_TEMPS:
 605          val = get_uint_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS, 32);
 606          return MIN2(val, SVGA3D_TEMPREG_MAX);
 607       case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 608          return 0;
 609       case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 610          return 0;
 611       case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 612       case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 613          return 1;
 614       case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 615          return 0;
 616       case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 617          return 1;
 618       case PIPE_SHADER_CAP_SUBROUTINES:
 619          return 0;
 620       case PIPE_SHADER_CAP_INT64_ATOMICS:
 621       case PIPE_SHADER_CAP_INTEGERS:
 622          return 0;
 623       case PIPE_SHADER_CAP_FP16:
 624       case PIPE_SHADER_CAP_FP16_DERIVATIVES:
 625       case PIPE_SHADER_CAP_INT16:
 626          return 0;
 627       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 628       case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 629          return 0;
 630       case PIPE_SHADER_CAP_PREFERRED_IR:
 631          return PIPE_SHADER_IR_TGSI;
 632       case PIPE_SHADER_CAP_SUPPORTED_IRS:
 633          return 0;
 634       case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 635       case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 636       case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 637       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 638       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 639       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 640       case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 641       case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 642       case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 643       case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 644       case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 645          return 0;
 646       case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 647          return 32;
 648       }
 649       /* If we get here, we failed to handle a cap above */
 650       debug_printf("Unexpected vertex shader query %u\n", param);
 651       return 0;
 652    case PIPE_SHADER_GEOMETRY:
 653    case PIPE_SHADER_COMPUTE:
 654    case PIPE_SHADER_TESS_CTRL:
 655    case PIPE_SHADER_TESS_EVAL:
 656       /* no support for geometry, tess or compute shaders at this time */
 657       return 0;
 658    default:
 659       debug_printf("Unexpected shader type (%u) query\n", shader);
 660       return 0;
 661    }
 662    return 0;
 663 }
 664
 665
 666 static int
 667 vgpu10_get_shader_param(struct pipe_screen *screen,
 668                         enum pipe_shader_type shader,
 669                         enum pipe_shader_cap param)
 670 {
 671    struct svga_screen *svgascreen = svga_screen(screen);
 672    struct svga_winsys_screen *sws = svgascreen->sws;
 673
 674    assert(sws->have_vgpu10);
 675    (void) sws;  /* silence unused var warnings in non-debug builds */
 676
 677    /* Only VS, GS, FS supported */
 678    if (shader != PIPE_SHADER_VERTEX &&
 679        shader != PIPE_SHADER_GEOMETRY &&
 680        shader != PIPE_SHADER_FRAGMENT) {
 681       return 0;
 682    }
 683
 684    /* NOTE: we do not query the device for any caps/limits at this time */
 685
 686    /* Generally the same limits for vertex, geometry and fragment shaders */
 687    switch (param) {
 688    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 689    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 690    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 691    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 692       return 64 * 1024;
 693    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 694       return 64;
 695    case PIPE_SHADER_CAP_MAX_INPUTS:
 696       if (shader == PIPE_SHADER_FRAGMENT)
 697          return VGPU10_MAX_FS_INPUTS;
 698       else if (shader == PIPE_SHADER_GEOMETRY)
 699          return VGPU10_MAX_GS_INPUTS;
 700       else
 701          return VGPU10_MAX_VS_INPUTS;
 702    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 703       if (shader == PIPE_SHADER_FRAGMENT)
 704          return VGPU10_MAX_FS_OUTPUTS;
 705       else if (shader == PIPE_SHADER_GEOMETRY)
 706          return VGPU10_MAX_GS_OUTPUTS;
 707       else
 708          return VGPU10_MAX_VS_OUTPUTS;
 709    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 710       return VGPU10_MAX_CONSTANT_BUFFER_ELEMENT_COUNT * sizeof(float[4]);
 711    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 712       return svgascreen->max_const_buffers;
 713    case PIPE_SHADER_CAP_MAX_TEMPS:
 714       return VGPU10_MAX_TEMPS;
 715    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 716    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 717    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 718    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 719       return TRUE; /* XXX verify */
 720    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 721    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 722    case PIPE_SHADER_CAP_SUBROUTINES:
 723    case PIPE_SHADER_CAP_INTEGERS:
 724       return TRUE;
 725    case PIPE_SHADER_CAP_FP16:
 726    case PIPE_SHADER_CAP_FP16_DERIVATIVES:
 727    case PIPE_SHADER_CAP_INT16:
 728       return FALSE;
 729    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 730    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 731       return SVGA3D_DX_MAX_SAMPLERS;
 732    case PIPE_SHADER_CAP_PREFERRED_IR:
 733       return PIPE_SHADER_IR_TGSI;
 734    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 735       return 0;
 736    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 737    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 738    case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 739    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 740    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 741    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 742    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 743    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 744    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 745    case PIPE_SHADER_CAP_INT64_ATOMICS:
 746    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 747    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 748       return 0;
 749    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 750       return 32;
 751    default:
 752       debug_printf("Unexpected vgpu10 shader query %u\n", param);
 753       return 0;
 754    }
 755    return 0;
 756 }
 757
 758
 759 static int
 760 svga_get_shader_param(struct pipe_screen *screen, enum pipe_shader_type shader,
 761                       enum pipe_shader_cap param)
 762 {
 763    struct svga_screen *svgascreen = svga_screen(screen);
 764    struct svga_winsys_screen *sws = svgascreen->sws;
 765    if (sws->have_vgpu10) {
 766       return vgpu10_get_shader_param(screen, shader, param);
 767    }
 768    else {
 769       return vgpu9_get_shader_param(screen, shader, param);
 770    }
 771 }
 772
 773
 774 static void
 775 svga_fence_reference(struct pipe_screen *screen,
 776                      struct pipe_fence_handle **ptr,
 777                      struct pipe_fence_handle *fence)
 778 {
 779    struct svga_winsys_screen *sws = svga_screen(screen)->sws;
 780    sws->fence_reference(sws, ptr, fence);
 781 }
 782
 783
 784 static bool
 785 svga_fence_finish(struct pipe_screen *screen,
 786                   struct pipe_context *ctx,
 787                   struct pipe_fence_handle *fence,
 788                   uint64_t timeout)
 789 {
 790    struct svga_winsys_screen *sws = svga_screen(screen)->sws;
 791    bool retVal;
 792
 793    SVGA_STATS_TIME_PUSH(sws, SVGA_STATS_TIME_FENCEFINISH);
 794
 795    if (!timeout) {
 796       retVal = sws->fence_signalled(sws, fence, 0) == 0;
 797    }
 798    else {
 799       SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s fence_ptr %p\n",
 800                __FUNCTION__, fence);
 801
 802       retVal = sws->fence_finish(sws, fence, timeout, 0) == 0;
 803    }
 804
 805    SVGA_STATS_TIME_POP(sws);
 806
 807    return retVal;
 808 }
 809
 810
 811 static int
 812 svga_fence_get_fd(struct pipe_screen *screen,
 813                   struct pipe_fence_handle *fence)
 814 {
 815    struct svga_winsys_screen *sws = svga_screen(screen)->sws;
 816
 817    return sws->fence_get_fd(sws, fence, TRUE);
 818 }
 819
 820
 821 static int
 822 svga_get_driver_query_info(struct pipe_screen *screen,
 823                            unsigned index,
 824                            struct pipe_driver_query_info *info)
 825 {
 826 #define QUERY(NAME, ENUM, UNITS) \
 827    {NAME, ENUM, {0}, UNITS, PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE, 0, 0x0}
 828
 829    static const struct pipe_driver_query_info queries[] = {
 830       /* per-frame counters */
 831       QUERY("num-draw-calls", SVGA_QUERY_NUM_DRAW_CALLS,
 832             PIPE_DRIVER_QUERY_TYPE_UINT64),
 833       QUERY("num-fallbacks", SVGA_QUERY_NUM_FALLBACKS,
 834             PIPE_DRIVER_QUERY_TYPE_UINT64),
 835       QUERY("num-flushes", SVGA_QUERY_NUM_FLUSHES,
 836             PIPE_DRIVER_QUERY_TYPE_UINT64),
 837       QUERY("num-validations", SVGA_QUERY_NUM_VALIDATIONS,
 838             PIPE_DRIVER_QUERY_TYPE_UINT64),
 839       QUERY("map-buffer-time", SVGA_QUERY_MAP_BUFFER_TIME,
 840             PIPE_DRIVER_QUERY_TYPE_MICROSECONDS),
 841       QUERY("num-buffers-mapped", SVGA_QUERY_NUM_BUFFERS_MAPPED,
 842             PIPE_DRIVER_QUERY_TYPE_UINT64),
 843       QUERY("num-textures-mapped", SVGA_QUERY_NUM_TEXTURES_MAPPED,
 844             PIPE_DRIVER_QUERY_TYPE_UINT64),
 845       QUERY("num-bytes-uploaded", SVGA_QUERY_NUM_BYTES_UPLOADED,
 846             PIPE_DRIVER_QUERY_TYPE_BYTES),
 847       QUERY("command-buffer-size", SVGA_QUERY_COMMAND_BUFFER_SIZE,
 848             PIPE_DRIVER_QUERY_TYPE_BYTES),
 849       QUERY("flush-time", SVGA_QUERY_FLUSH_TIME,
 850             PIPE_DRIVER_QUERY_TYPE_MICROSECONDS),
 851       QUERY("surface-write-flushes", SVGA_QUERY_SURFACE_WRITE_FLUSHES,
 852             PIPE_DRIVER_QUERY_TYPE_UINT64),
 853       QUERY("num-readbacks", SVGA_QUERY_NUM_READBACKS,
 854             PIPE_DRIVER_QUERY_TYPE_UINT64),
 855       QUERY("num-resource-updates", SVGA_QUERY_NUM_RESOURCE_UPDATES,
 856             PIPE_DRIVER_QUERY_TYPE_UINT64),
 857       QUERY("num-buffer-uploads", SVGA_QUERY_NUM_BUFFER_UPLOADS,
 858             PIPE_DRIVER_QUERY_TYPE_UINT64),
 859       QUERY("num-const-buf-updates", SVGA_QUERY_NUM_CONST_BUF_UPDATES,
 860             PIPE_DRIVER_QUERY_TYPE_UINT64),
 861       QUERY("num-const-updates", SVGA_QUERY_NUM_CONST_UPDATES,
 862             PIPE_DRIVER_QUERY_TYPE_UINT64),
 863
 864       /* running total counters */
 865       QUERY("memory-used", SVGA_QUERY_MEMORY_USED,
 866             PIPE_DRIVER_QUERY_TYPE_BYTES),
 867       QUERY("num-shaders", SVGA_QUERY_NUM_SHADERS,
 868             PIPE_DRIVER_QUERY_TYPE_UINT64),
 869       QUERY("num-resources", SVGA_QUERY_NUM_RESOURCES,
 870             PIPE_DRIVER_QUERY_TYPE_UINT64),
 871       QUERY("num-state-objects", SVGA_QUERY_NUM_STATE_OBJECTS,
 872             PIPE_DRIVER_QUERY_TYPE_UINT64),
 873       QUERY("num-surface-views", SVGA_QUERY_NUM_SURFACE_VIEWS,
 874             PIPE_DRIVER_QUERY_TYPE_UINT64),
 875       QUERY("num-generate-mipmap", SVGA_QUERY_NUM_GENERATE_MIPMAP,
 876             PIPE_DRIVER_QUERY_TYPE_UINT64),
 877       QUERY("num-failed-allocations", SVGA_QUERY_NUM_FAILED_ALLOCATIONS,
 878             PIPE_DRIVER_QUERY_TYPE_UINT64),
 879       QUERY("num-commands-per-draw", SVGA_QUERY_NUM_COMMANDS_PER_DRAW,
 880             PIPE_DRIVER_QUERY_TYPE_FLOAT),
 881    };
 882 #undef QUERY
 883
 884    if (!info)
 885       return ARRAY_SIZE(queries);
 886
 887    if (index >= ARRAY_SIZE(queries))
 888       return 0;
 889
 890    *info = queries[index];
 891    return 1;
 892 }
 893
 894
 895 static void
 896 init_logging(struct pipe_screen *screen)
 897 {
 898    struct svga_screen *svgascreen = svga_screen(screen);
 899    static const char *log_prefix = "Mesa: ";
 900    char host_log[1000];
 901
 902    /* Log Version to Host */
 903    snprintf(host_log, sizeof(host_log) - strlen(log_prefix),
 904             "%s%s\n", log_prefix, svga_get_name(screen));
 905    svgascreen->sws->host_log(svgascreen->sws, host_log);
 906
 907    snprintf(host_log, sizeof(host_log) - strlen(log_prefix),
 908             "%s" PACKAGE_VERSION MESA_GIT_SHA1, log_prefix);
 909    svgascreen->sws->host_log(svgascreen->sws, host_log);
 910
 911    /* If the SVGA_EXTRA_LOGGING env var is set, log the process's command
 912     * line (program name and arguments).
 913     */
 914    if (debug_get_bool_option("SVGA_EXTRA_LOGGING", FALSE)) {
 915       char cmdline[1000];
 916       if (os_get_command_line(cmdline, sizeof(cmdline))) {
 917          snprintf(host_log, sizeof(host_log) - strlen(log_prefix),
 918                   "%s%s\n", log_prefix, cmdline);
 919          svgascreen->sws->host_log(svgascreen->sws, host_log);
 920       }
 921    }
 922 }
 923
 924
 925 /**
 926  * no-op logging function to use when SVGA_NO_LOGGING is set.
 927  */
 928 static void
 929 nop_host_log(struct svga_winsys_screen *sws, const char *message)
 930 {
 931    /* nothing */
 932 }
 933
 934
 935 static void
 936 svga_destroy_screen( struct pipe_screen *screen )
 937 {
 938    struct svga_screen *svgascreen = svga_screen(screen);
 939
 940    svga_screen_cache_cleanup(svgascreen);
 941
 942    mtx_destroy(&svgascreen->swc_mutex);
 943    mtx_destroy(&svgascreen->tex_mutex);
 944
 945    svgascreen->sws->destroy(svgascreen->sws);
 946
 947    FREE(svgascreen);
 948 }
 949
 950
 951 /**
 952  * Create a new svga_screen object
 953  */
 954 struct pipe_screen *
 955 svga_screen_create(struct svga_winsys_screen *sws)
 956 {
 957    struct svga_screen *svgascreen;
 958    struct pipe_screen *screen;
 959
 960 #ifdef DEBUG
 961    SVGA_DEBUG = debug_get_flags_option("SVGA_DEBUG", svga_debug_flags, 0 );
 962 #endif
 963
 964    svgascreen = CALLOC_STRUCT(svga_screen);
 965    if (!svgascreen)
 966       goto error1;
 967
 968    svgascreen->debug.force_level_surface_view =
 969       debug_get_bool_option("SVGA_FORCE_LEVEL_SURFACE_VIEW", FALSE);
 970    svgascreen->debug.force_surface_view =
 971       debug_get_bool_option("SVGA_FORCE_SURFACE_VIEW", FALSE);
 972    svgascreen->debug.force_sampler_view =
 973       debug_get_bool_option("SVGA_FORCE_SAMPLER_VIEW", FALSE);
 974    svgascreen->debug.no_surface_view =
 975       debug_get_bool_option("SVGA_NO_SURFACE_VIEW", FALSE);
 976    svgascreen->debug.no_sampler_view =
 977       debug_get_bool_option("SVGA_NO_SAMPLER_VIEW", FALSE);
 978    svgascreen->debug.no_cache_index_buffers =
 979       debug_get_bool_option("SVGA_NO_CACHE_INDEX_BUFFERS", FALSE);
 980
 981    screen = &svgascreen->screen;
 982
 983    screen->destroy = svga_destroy_screen;
 984    screen->get_name = svga_get_name;
 985    screen->get_vendor = svga_get_vendor;
 986    screen->get_device_vendor = svga_get_vendor; // TODO actual device vendor
 987    screen->get_param = svga_get_param;
 988    screen->get_shader_param = svga_get_shader_param;
 989    screen->get_paramf = svga_get_paramf;
 990    screen->get_timestamp = NULL;
 991    screen->is_format_supported = svga_is_format_supported;
 992    screen->context_create = svga_context_create;
 993    screen->fence_reference = svga_fence_reference;
 994    screen->fence_finish = svga_fence_finish;
 995    screen->fence_get_fd = svga_fence_get_fd;
 996
 997    screen->get_driver_query_info = svga_get_driver_query_info;
 998    svgascreen->sws = sws;
 999
1000    svga_init_screen_resource_functions(svgascreen);
1001
1002    if (sws->get_hw_version) {
1003       svgascreen->hw_version = sws->get_hw_version(sws);
1004    } else {
1005       svgascreen->hw_version = SVGA3D_HWVERSION_WS65_B1;
1006    }
1007
1008    if (svgascreen->hw_version < SVGA3D_HWVERSION_WS8_B1) {
1009       /* too old for 3D acceleration */
1010       debug_printf("Hardware version 0x%x is too old for accerated 3D\n",
1011                    svgascreen->hw_version);
1012       goto error2;
1013    }
1014
1015    debug_printf("%s enabled = %u\n",
1016                 sws->have_sm4_1 ? "SM4_1" : "VGPU10",
1017                 sws->have_sm4_1 ? 1 : sws->have_vgpu10);
1018
1019    debug_printf("Mesa: %s %s (%s)\n", svga_get_name(screen),
1020                 PACKAGE_VERSION, MESA_GIT_SHA1);
1021
1022    /*
1023     * The D16, D24X8, and D24S8 formats always do an implicit shadow compare
1024     * when sampled from, where as the DF16, DF24, and D24S8_INT do not.  So
1025     * we prefer the later when available.
1026     *
1027     * This mimics hardware vendors extensions for D3D depth sampling. See also
1028     * http://aras-p.info/texts/D3D9GPUHacks.html
1029     */
1030
1031    {
1032       boolean has_df16, has_df24, has_d24s8_int;
1033       SVGA3dSurfaceFormatCaps caps;
1034       SVGA3dSurfaceFormatCaps mask;
1035       mask.value = 0;
1036       mask.zStencil = 1;
1037       mask.texture = 1;
1038
1039       svgascreen->depth.z16 = SVGA3D_Z_D16;
1040       svgascreen->depth.x8z24 = SVGA3D_Z_D24X8;
1041       svgascreen->depth.s8z24 = SVGA3D_Z_D24S8;
1042
1043       svga_get_format_cap(svgascreen, SVGA3D_Z_DF16, &caps);
1044       has_df16 = (caps.value & mask.value) == mask.value;
1045
1046       svga_get_format_cap(svgascreen, SVGA3D_Z_DF24, &caps);
1047       has_df24 = (caps.value & mask.value) == mask.value;
1048
1049       svga_get_format_cap(svgascreen, SVGA3D_Z_D24S8_INT, &caps);
1050       has_d24s8_int = (caps.value & mask.value) == mask.value;
1051
1052       /* XXX: We might want some other logic here.
1053        * Like if we only have d24s8_int we should
1054        * emulate the other formats with that.
1055        */
1056       if (has_df16) {
1057          svgascreen->depth.z16 = SVGA3D_Z_DF16;
1058       }
1059       if (has_df24) {
1060          svgascreen->depth.x8z24 = SVGA3D_Z_DF24;
1061       }
1062       if (has_d24s8_int) {
1063          svgascreen->depth.s8z24 = SVGA3D_Z_D24S8_INT;
1064       }
1065    }
1066
1067    /* Query device caps
1068     */
1069    if (sws->have_vgpu10) {
1070       svgascreen->haveProvokingVertex
1071          = get_bool_cap(sws, SVGA3D_DEVCAP_DX_PROVOKING_VERTEX, FALSE);
1072       svgascreen->haveLineSmooth = TRUE;
1073       svgascreen->maxPointSize = 80.0F;
1074       svgascreen->max_color_buffers = SVGA3D_DX_MAX_RENDER_TARGETS;
1075
1076       /* Multisample samples per pixel */
1077       if (sws->have_sm4_1 && debug_get_bool_option("SVGA_MSAA", TRUE)) {
1078          if (get_bool_cap(sws, SVGA3D_DEVCAP_MULTISAMPLE_2X, FALSE))
1079             svgascreen->ms_samples |= 1 << 1;
1080          if (get_bool_cap(sws, SVGA3D_DEVCAP_MULTISAMPLE_4X, FALSE))
1081             svgascreen->ms_samples |= 1 << 3;
1082       }
1083
1084       /* Maximum number of constant buffers */
1085       svgascreen->max_const_buffers =
1086          get_uint_cap(sws, SVGA3D_DEVCAP_DX_MAX_CONSTANT_BUFFERS, 1);
1087       svgascreen->max_const_buffers = MIN2(svgascreen->max_const_buffers,
1088                                            SVGA_MAX_CONST_BUFS);
1089
1090       screen->is_format_supported = svga_is_dx_format_supported;
1091    }
1092    else {
1093       /* VGPU9 */
1094       unsigned vs_ver = get_uint_cap(sws, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION,
1095                                      SVGA3DVSVERSION_NONE);
1096       unsigned fs_ver = get_uint_cap(sws, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION,
1097                                      SVGA3DPSVERSION_NONE);
1098
1099       /* we require Shader model 3.0 or later */
1100       if (fs_ver < SVGA3DPSVERSION_30 || vs_ver < SVGA3DVSVERSION_30) {
1101          goto error2;
1102       }
1103
1104       svgascreen->haveProvokingVertex = FALSE;
1105
1106       svgascreen->haveLineSmooth =
1107          get_bool_cap(sws, SVGA3D_DEVCAP_LINE_AA, FALSE);
1108
1109       svgascreen->maxPointSize =
1110          get_float_cap(sws, SVGA3D_DEVCAP_MAX_POINT_SIZE, 1.0f);
1111       /* Keep this to a reasonable size to avoid failures in conform/pntaa.c */
1112       svgascreen->maxPointSize = MIN2(svgascreen->maxPointSize, 80.0f);
1113
1114       /* The SVGA3D device always supports 4 targets at this time, regardless
1115        * of what querying SVGA3D_DEVCAP_MAX_RENDER_TARGETS might return.
1116        */
1117       svgascreen->max_color_buffers = 4;
1118
1119       /* Only support one constant buffer
1120        */
1121       svgascreen->max_const_buffers = 1;
1122
1123       /* No multisampling */
1124       svgascreen->ms_samples = 0;
1125    }
1126
1127    /* common VGPU9 / VGPU10 caps */
1128    svgascreen->haveLineStipple =
1129       get_bool_cap(sws, SVGA3D_DEVCAP_LINE_STIPPLE, FALSE);
1130
1131    svgascreen->maxLineWidth =
1132       MAX2(1.0, get_float_cap(sws, SVGA3D_DEVCAP_MAX_LINE_WIDTH, 1.0f));
1133
1134    svgascreen->maxLineWidthAA =
1135       MAX2(1.0, get_float_cap(sws, SVGA3D_DEVCAP_MAX_AA_LINE_WIDTH, 1.0f));
1136
1137    if (0) {
1138       debug_printf("svga: haveProvokingVertex %u\n",
1139                    svgascreen->haveProvokingVertex);
1140       debug_printf("svga: haveLineStip %u  "
1141                    "haveLineSmooth %u  maxLineWidth %.2f  maxLineWidthAA %.2f\n",
1142                    svgascreen->haveLineStipple, svgascreen->haveLineSmooth,
1143                    svgascreen->maxLineWidth, svgascreen->maxLineWidthAA);
1144       debug_printf("svga: maxPointSize %g\n", svgascreen->maxPointSize);
1145       debug_printf("svga: msaa samples mask: 0x%x\n", svgascreen->ms_samples);
1146    }
1147
1148    (void) mtx_init(&svgascreen->tex_mutex, mtx_plain);
1149    (void) mtx_init(&svgascreen->swc_mutex, mtx_recursive);
1150
1151    svga_screen_cache_init(svgascreen);
1152
1153    if (debug_get_bool_option("SVGA_NO_LOGGING", FALSE) == TRUE) {
1154       svgascreen->sws->host_log = nop_host_log;
1155    } else {
1156       init_logging(screen);
1157    }
1158
1159    return screen;
1160 error2:
1161    FREE(svgascreen);
1162 error1:
1163    return NULL;
1164 }
1165
1166
1167 struct svga_winsys_screen *
1168 svga_winsys_screen(struct pipe_screen *screen)
1169 {
1170    return svga_screen(screen)->sws;
1171 }
1172
1173
1174 #ifdef DEBUG
1175 struct svga_screen *
1176 svga_screen(struct pipe_screen *screen)
1177 {
1178    assert(screen);
1179    assert(screen->destroy == svga_destroy_screen);
1180    return (struct svga_screen *)screen;
1181 }
1182 #endif