src/gallium/drivers/r300/r300_screen.c

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  * Copyright 2010 Marek Olšák <maraeo@gmail.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  23
  24 #include "util/u_format.h"
  25 #include "util/u_format_s3tc.h"
  26 #include "util/u_memory.h"
  27 #include "util/os_time.h"
  28 #include "vl/vl_decoder.h"
  29 #include "vl/vl_video_buffer.h"
  30
  31 #include "r300_context.h"
  32 #include "r300_texture.h"
  33 #include "r300_screen_buffer.h"
  34 #include "r300_state_inlines.h"
  35 #include "r300_public.h"
  36
  37 #include "draw/draw_context.h"
  38
  39 /* Return the identifier behind whom the brave coders responsible for this
  40  * amalgamation of code, sweat, and duct tape, routinely obscure their names.
  41  *
  42  * ...I should have just put "Corbin Simpson", but I'm not that cool.
  43  *
  44  * (Or egotistical. Yet.) */
  45 static const char* r300_get_vendor(struct pipe_screen* pscreen)
  46 {
  47     return "X.Org R300 Project";
  48 }
  49
  50 static const char* r300_get_device_vendor(struct pipe_screen* pscreen)
  51 {
  52     return "ATI";
  53 }
  54
  55 static const char* chip_families[] = {
  56     "unknown",
  57     "ATI R300",
  58     "ATI R350",
  59     "ATI RV350",
  60     "ATI RV370",
  61     "ATI RV380",
  62     "ATI RS400",
  63     "ATI RC410",
  64     "ATI RS480",
  65     "ATI R420",
  66     "ATI R423",
  67     "ATI R430",
  68     "ATI R480",
  69     "ATI R481",
  70     "ATI RV410",
  71     "ATI RS600",
  72     "ATI RS690",
  73     "ATI RS740",
  74     "ATI RV515",
  75     "ATI R520",
  76     "ATI RV530",
  77     "ATI R580",
  78     "ATI RV560",
  79     "ATI RV570"
  80 };
  81
  82 static const char* r300_get_name(struct pipe_screen* pscreen)
  83 {
  84     struct r300_screen* r300screen = r300_screen(pscreen);
  85
  86     return chip_families[r300screen->caps.family];
  87 }
  88
  89 static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
  90 {
  91     struct r300_screen* r300screen = r300_screen(pscreen);
  92     boolean is_r500 = r300screen->caps.is_r500;
  93
  94     switch (param) {
  95         /* Supported features (boolean caps). */
  96         case PIPE_CAP_NPOT_TEXTURES:
  97         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
  98         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
  99         case PIPE_CAP_ANISOTROPIC_FILTER:
 100         case PIPE_CAP_POINT_SPRITE:
 101         case PIPE_CAP_OCCLUSION_QUERY:
 102         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 103         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 104         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 105         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 106         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 107         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 108         case PIPE_CAP_CONDITIONAL_RENDER:
 109         case PIPE_CAP_TEXTURE_BARRIER:
 110         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 111         case PIPE_CAP_USER_CONSTANT_BUFFERS:
 112         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 113         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 114         case PIPE_CAP_CLIP_HALFZ:
 115         case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
 116             return 1;
 117
 118         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 119             return R300_BUFFER_ALIGNMENT;
 120
 121         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 122             return 16;
 123
 124         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 125             return 120;
 126
 127         /* r300 cannot do swizzling of compressed textures. Supported otherwise. */
 128         case PIPE_CAP_TEXTURE_SWIZZLE:
 129             return r300screen->caps.dxtc_swizzle;
 130
 131         /* We don't support color clamping on r500, so that we can use color
 132          * intepolators for generic varyings. */
 133         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 134             return !is_r500;
 135
 136         /* Supported on r500 only. */
 137         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 138         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 139         case PIPE_CAP_SM3:
 140             return is_r500 ? 1 : 0;
 141
 142         /* Unsupported features. */
 143         case PIPE_CAP_QUERY_TIME_ELAPSED:
 144         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 145         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 146         case PIPE_CAP_INDEP_BLEND_ENABLE:
 147         case PIPE_CAP_INDEP_BLEND_FUNC:
 148         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 149         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 150         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 151         case PIPE_CAP_TGSI_INSTANCEID:
 152         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 153         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 154         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 155         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 156         case PIPE_CAP_MIN_TEXEL_OFFSET:
 157         case PIPE_CAP_MAX_TEXEL_OFFSET:
 158         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 159         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 160         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 161         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 162         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 163         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 164         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 165         case PIPE_CAP_MAX_VERTEX_STREAMS:
 166         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 167         case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
 168         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 169         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 170         case PIPE_CAP_COMPUTE:
 171         case PIPE_CAP_START_INSTANCE:
 172         case PIPE_CAP_QUERY_TIMESTAMP:
 173         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 174         case PIPE_CAP_CUBE_MAP_ARRAY:
 175         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 176         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 177         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 178         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 179         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 180         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 181         case PIPE_CAP_TEXTURE_GATHER_SM5:
 182         case PIPE_CAP_TEXTURE_QUERY_LOD:
 183         case PIPE_CAP_FAKE_SW_MSAA:
 184         case PIPE_CAP_SAMPLE_SHADING:
 185         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 186         case PIPE_CAP_DRAW_INDIRECT:
 187         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 188         case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 189         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 190         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 191         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 192         case PIPE_CAP_VERTEXID_NOBASE:
 193         case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 194         case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 195         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 196         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 197         case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 198         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 199         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 200         case PIPE_CAP_DEPTH_BOUNDS_TEST:
 201         case PIPE_CAP_TGSI_TXQS:
 202         case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 203         case PIPE_CAP_SHAREABLE_SHADERS:
 204         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 205         case PIPE_CAP_CLEAR_TEXTURE:
 206         case PIPE_CAP_DRAW_PARAMETERS:
 207         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 208         case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 209         case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 210         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 211         case PIPE_CAP_INVALIDATE_BUFFER:
 212         case PIPE_CAP_GENERATE_MIPMAP:
 213         case PIPE_CAP_STRING_MARKER:
 214         case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 215         case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 216         case PIPE_CAP_QUERY_BUFFER_OBJECT:
 217         case PIPE_CAP_QUERY_MEMORY_INFO:
 218         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 219         case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 220         case PIPE_CAP_CULL_DISTANCE:
 221         case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 222         case PIPE_CAP_TGSI_VOTE:
 223         case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 224         case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 225         case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 226         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 227         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 228         case PIPE_CAP_NATIVE_FENCE_FD:
 229         case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 230         case PIPE_CAP_TGSI_FS_FBFETCH:
 231         case PIPE_CAP_TGSI_MUL_ZERO_WINS:
 232         case PIPE_CAP_DOUBLES:
 233         case PIPE_CAP_INT64:
 234         case PIPE_CAP_INT64_DIVMOD:
 235         case PIPE_CAP_TGSI_TEX_TXF_LZ:
 236         case PIPE_CAP_TGSI_CLOCK:
 237         case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
 238         case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
 239         case PIPE_CAP_TGSI_BALLOT:
 240         case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
 241         case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
 242         case PIPE_CAP_POST_DEPTH_COVERAGE:
 243         case PIPE_CAP_BINDLESS_TEXTURE:
 244         case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
 245         case PIPE_CAP_QUERY_SO_OVERFLOW:
 246         case PIPE_CAP_MEMOBJ:
 247         case PIPE_CAP_LOAD_CONSTBUF:
 248         case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
 249         case PIPE_CAP_TILE_RASTER_ORDER:
 250         case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
 251         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 252         case PIPE_CAP_CONTEXT_PRIORITY_MASK:
 253             return 0;
 254
 255         /* SWTCL-only features. */
 256         case PIPE_CAP_PRIMITIVE_RESTART:
 257         case PIPE_CAP_USER_VERTEX_BUFFERS:
 258         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 259             return !r300screen->caps.has_tcl;
 260
 261         /* HWTCL-only features / limitations. */
 262         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 263         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 264         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 265             return r300screen->caps.has_tcl;
 266         case PIPE_CAP_TGSI_TEXCOORD:
 267             return 0;
 268
 269         /* Texturing. */
 270         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 271         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 272         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 273             /* 13 == 4096, 12 == 2048 */
 274             return is_r500 ? 13 : 12;
 275
 276         /* Render targets. */
 277         case PIPE_CAP_MAX_RENDER_TARGETS:
 278             return 4;
 279         case PIPE_CAP_ENDIANNESS:
 280             return PIPE_ENDIAN_LITTLE;
 281
 282         case PIPE_CAP_MAX_VIEWPORTS:
 283             return 1;
 284
 285         case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 286             return 2048;
 287
 288         case PIPE_CAP_VENDOR_ID:
 289                 return 0x1002;
 290         case PIPE_CAP_DEVICE_ID:
 291                 return r300screen->info.pci_id;
 292         case PIPE_CAP_ACCELERATED:
 293                 return 1;
 294         case PIPE_CAP_VIDEO_MEMORY:
 295                 return r300screen->info.vram_size >> 20;
 296         case PIPE_CAP_UMA:
 297                 return 0;
 298         case PIPE_CAP_PCI_GROUP:
 299             return r300screen->info.pci_domain;
 300         case PIPE_CAP_PCI_BUS:
 301             return r300screen->info.pci_bus;
 302         case PIPE_CAP_PCI_DEVICE:
 303             return r300screen->info.pci_dev;
 304         case PIPE_CAP_PCI_FUNCTION:
 305             return r300screen->info.pci_func;
 306     }
 307     return 0;
 308 }
 309
 310 static int r300_get_shader_param(struct pipe_screen *pscreen,
 311                                  enum pipe_shader_type shader,
 312                                  enum pipe_shader_cap param)
 313 {
 314    struct r300_screen* r300screen = r300_screen(pscreen);
 315    boolean is_r400 = r300screen->caps.is_r400;
 316    boolean is_r500 = r300screen->caps.is_r500;
 317
 318    switch (shader) {
 319     case PIPE_SHADER_FRAGMENT:
 320         switch (param)
 321         {
 322         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 323             return is_r500 || is_r400 ? 512 : 96;
 324         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 325             return is_r500 || is_r400 ? 512 : 64;
 326         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 327             return is_r500 || is_r400 ? 512 : 32;
 328         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 329             return is_r500 ? 511 : 4;
 330         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 331             return is_r500 ? 64 : 0; /* Actually unlimited on r500. */
 332             /* Fragment shader limits. */
 333         case PIPE_SHADER_CAP_MAX_INPUTS:
 334             /* 2 colors + 8 texcoords are always supported
 335              * (minus fog and wpos).
 336              *
 337              * R500 has the ability to turn 3rd and 4th color into
 338              * additional texcoords but there is no two-sided color
 339              * selection then. However the facing bit can be used instead. */
 340             return 10;
 341         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 342             return 4;
 343         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 344             return (is_r500 ? 256 : 32) * sizeof(float[4]);
 345         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 346         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 347             return 1;
 348         case PIPE_SHADER_CAP_MAX_TEMPS:
 349             return is_r500 ? 128 : is_r400 ? 64 : 32;
 350         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 351         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 352            return r300screen->caps.num_tex_units;
 353         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 354         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 355         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 356         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 357         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 358         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 359         case PIPE_SHADER_CAP_SUBROUTINES:
 360         case PIPE_SHADER_CAP_INTEGERS:
 361         case PIPE_SHADER_CAP_INT64_ATOMICS:
 362         case PIPE_SHADER_CAP_FP16:
 363         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 364         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 365         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 366         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 367         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 368         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 369         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 370         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 371         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 372         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 373             return 0;
 374         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 375             return 32;
 376         case PIPE_SHADER_CAP_PREFERRED_IR:
 377             return PIPE_SHADER_IR_TGSI;
 378         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 379             return 0;
 380         }
 381         break;
 382     case PIPE_SHADER_VERTEX:
 383         switch (param)
 384         {
 385         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 386         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 387         case PIPE_SHADER_CAP_SUBROUTINES:
 388             return 0;
 389         default:;
 390         }
 391
 392         if (!r300screen->caps.has_tcl) {
 393             return draw_get_shader_param(shader, param);
 394         }
 395
 396         switch (param)
 397         {
 398         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 399         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 400             return is_r500 ? 1024 : 256;
 401         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 402             return is_r500 ? 4 : 0; /* For loops; not sure about conditionals. */
 403         case PIPE_SHADER_CAP_MAX_INPUTS:
 404             return 16;
 405         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 406             return 10;
 407         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 408             return 256 * sizeof(float[4]);
 409         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 410             return 1;
 411         case PIPE_SHADER_CAP_MAX_TEMPS:
 412             return 32;
 413         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 414         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 415             return 1;
 416         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 417         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 418         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 419         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 420         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 421         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 422         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 423         case PIPE_SHADER_CAP_SUBROUTINES:
 424         case PIPE_SHADER_CAP_INTEGERS:
 425         case PIPE_SHADER_CAP_FP16:
 426         case PIPE_SHADER_CAP_INT64_ATOMICS:
 427         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 428         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 429         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 430         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 431         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 432         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 433         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 434         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 435         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 436         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 437         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 438         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 439             return 0;
 440         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 441             return 32;
 442         case PIPE_SHADER_CAP_PREFERRED_IR:
 443             return PIPE_SHADER_IR_TGSI;
 444         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 445             return 0;
 446         }
 447         break;
 448     default:
 449         ; /* nothing */
 450     }
 451     return 0;
 452 }
 453
 454 static float r300_get_paramf(struct pipe_screen* pscreen,
 455                              enum pipe_capf param)
 456 {
 457     struct r300_screen* r300screen = r300_screen(pscreen);
 458
 459     switch (param) {
 460         case PIPE_CAPF_MAX_LINE_WIDTH:
 461         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 462         case PIPE_CAPF_MAX_POINT_WIDTH:
 463         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 464             /* The maximum dimensions of the colorbuffer are our practical
 465              * rendering limits. 2048 pixels should be enough for anybody. */
 466             if (r300screen->caps.is_r500) {
 467                 return 4096.0f;
 468             } else if (r300screen->caps.is_r400) {
 469                 return 4021.0f;
 470             } else {
 471                 return 2560.0f;
 472             }
 473         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 474             return 16.0f;
 475         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 476             return 16.0f;
 477         case PIPE_CAPF_GUARD_BAND_LEFT:
 478         case PIPE_CAPF_GUARD_BAND_TOP:
 479         case PIPE_CAPF_GUARD_BAND_RIGHT:
 480         case PIPE_CAPF_GUARD_BAND_BOTTOM:
 481             return 0.0f;
 482         default:
 483             debug_printf("r300: Warning: Unknown CAP %d in get_paramf.\n",
 484                          param);
 485             return 0.0f;
 486     }
 487 }
 488
 489 static int r300_get_video_param(struct pipe_screen *screen,
 490                                 enum pipe_video_profile profile,
 491                                 enum pipe_video_entrypoint entrypoint,
 492                                 enum pipe_video_cap param)
 493 {
 494    switch (param) {
 495       case PIPE_VIDEO_CAP_SUPPORTED:
 496          return vl_profile_supported(screen, profile, entrypoint);
 497       case PIPE_VIDEO_CAP_NPOT_TEXTURES:
 498          return 0;
 499       case PIPE_VIDEO_CAP_MAX_WIDTH:
 500       case PIPE_VIDEO_CAP_MAX_HEIGHT:
 501          return vl_video_buffer_max_size(screen);
 502       case PIPE_VIDEO_CAP_PREFERED_FORMAT:
 503          return PIPE_FORMAT_NV12;
 504       case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
 505          return false;
 506       case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
 507          return false;
 508       case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
 509          return true;
 510       case PIPE_VIDEO_CAP_MAX_LEVEL:
 511          return vl_level_supported(screen, profile);
 512       default:
 513          return 0;
 514    }
 515 }
 516
 517 /**
 518  * Whether the format matches:
 519  *   PIPE_FORMAT_?10?10?10?2_UNORM
 520  */
 521 static inline boolean
 522 util_format_is_rgba1010102_variant(const struct util_format_description *desc)
 523 {
 524    static const unsigned size[4] = {10, 10, 10, 2};
 525    unsigned chan;
 526
 527    if (desc->block.width != 1 ||
 528        desc->block.height != 1 ||
 529        desc->block.bits != 32)
 530       return FALSE;
 531
 532    for (chan = 0; chan < 4; ++chan) {
 533       if(desc->channel[chan].type != UTIL_FORMAT_TYPE_UNSIGNED &&
 534          desc->channel[chan].type != UTIL_FORMAT_TYPE_VOID)
 535          return FALSE;
 536       if (desc->channel[chan].size != size[chan])
 537          return FALSE;
 538    }
 539
 540    return TRUE;
 541 }
 542
 543 static bool r300_is_blending_supported(struct r300_screen *rscreen,
 544                                        enum pipe_format format)
 545 {
 546     int c;
 547     const struct util_format_description *desc =
 548         util_format_description(format);
 549
 550     if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
 551         return false;
 552
 553     c = util_format_get_first_non_void_channel(format);
 554
 555     /* RGBA16F */
 556     if (rscreen->caps.is_r500 &&
 557         desc->nr_channels == 4 &&
 558         desc->channel[c].size == 16 &&
 559         desc->channel[c].type == UTIL_FORMAT_TYPE_FLOAT)
 560         return true;
 561
 562     if (desc->channel[c].normalized &&
 563         desc->channel[c].type == UTIL_FORMAT_TYPE_UNSIGNED &&
 564         desc->channel[c].size >= 4 &&
 565         desc->channel[c].size <= 10) {
 566         /* RGB10_A2, RGBA8, RGB5_A1, RGBA4, RGB565 */
 567         if (desc->nr_channels >= 3)
 568             return true;
 569
 570         if (format == PIPE_FORMAT_R8G8_UNORM)
 571             return true;
 572
 573         /* R8, I8, L8, A8 */
 574         if (desc->nr_channels == 1)
 575             return true;
 576     }
 577
 578     return false;
 579 }
 580
 581 static boolean r300_is_format_supported(struct pipe_screen* screen,
 582                                         enum pipe_format format,
 583                                         enum pipe_texture_target target,
 584                                         unsigned sample_count,
 585                                         unsigned usage)
 586 {
 587     uint32_t retval = 0;
 588     boolean is_r500 = r300_screen(screen)->caps.is_r500;
 589     boolean is_r400 = r300_screen(screen)->caps.is_r400;
 590     boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM ||
 591                               format == PIPE_FORMAT_R10G10B10X2_SNORM ||
 592                               format == PIPE_FORMAT_B10G10R10A2_UNORM ||
 593                               format == PIPE_FORMAT_B10G10R10X2_UNORM ||
 594                               format == PIPE_FORMAT_R10SG10SB10SA2U_NORM;
 595     boolean is_ati1n = format == PIPE_FORMAT_RGTC1_UNORM ||
 596                        format == PIPE_FORMAT_RGTC1_SNORM ||
 597                        format == PIPE_FORMAT_LATC1_UNORM ||
 598                        format == PIPE_FORMAT_LATC1_SNORM;
 599     boolean is_ati2n = format == PIPE_FORMAT_RGTC2_UNORM ||
 600                        format == PIPE_FORMAT_RGTC2_SNORM ||
 601                        format == PIPE_FORMAT_LATC2_UNORM ||
 602                        format == PIPE_FORMAT_LATC2_SNORM;
 603     boolean is_half_float = format == PIPE_FORMAT_R16_FLOAT ||
 604                             format == PIPE_FORMAT_R16G16_FLOAT ||
 605                             format == PIPE_FORMAT_R16G16B16_FLOAT ||
 606                             format == PIPE_FORMAT_R16G16B16A16_FLOAT ||
 607                             format == PIPE_FORMAT_R16G16B16X16_FLOAT;
 608     const struct util_format_description *desc;
 609
 610     if (!util_format_is_supported(format, usage))
 611        return FALSE;
 612
 613     /* Check multisampling support. */
 614     switch (sample_count) {
 615         case 0:
 616         case 1:
 617             break;
 618         case 2:
 619         case 4:
 620         case 6:
 621             /* No texturing and scanout. */
 622             if (usage & (PIPE_BIND_SAMPLER_VIEW |
 623                          PIPE_BIND_DISPLAY_TARGET |
 624                          PIPE_BIND_SCANOUT)) {
 625                 return FALSE;
 626             }
 627
 628             desc = util_format_description(format);
 629
 630             if (is_r500) {
 631                 /* Only allow depth/stencil, RGBA8, RGBA1010102, RGBA16F. */
 632                 if (!util_format_is_depth_or_stencil(format) &&
 633                     !util_format_is_rgba8_variant(desc) &&
 634                     !util_format_is_rgba1010102_variant(desc) &&
 635                     format != PIPE_FORMAT_R16G16B16A16_FLOAT &&
 636                     format != PIPE_FORMAT_R16G16B16X16_FLOAT) {
 637                     return FALSE;
 638                 }
 639             } else {
 640                 /* Only allow depth/stencil, RGBA8. */
 641                 if (!util_format_is_depth_or_stencil(format) &&
 642                     !util_format_is_rgba8_variant(desc)) {
 643                     return FALSE;
 644                 }
 645             }
 646             break;
 647         default:
 648             return FALSE;
 649     }
 650
 651     /* Check sampler format support. */
 652     if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 653         /* these two are broken for an unknown reason */
 654         format != PIPE_FORMAT_R8G8B8X8_SNORM &&
 655         format != PIPE_FORMAT_R16G16B16X16_SNORM &&
 656         /* ATI1N is r5xx-only. */
 657         (is_r500 || !is_ati1n) &&
 658         /* ATI2N is supported on r4xx-r5xx. */
 659         (is_r400 || is_r500 || !is_ati2n) &&
 660         r300_is_sampler_format_supported(format)) {
 661         retval |= PIPE_BIND_SAMPLER_VIEW;
 662     }
 663
 664     /* Check colorbuffer format support. */
 665     if ((usage & (PIPE_BIND_RENDER_TARGET |
 666                   PIPE_BIND_DISPLAY_TARGET |
 667                   PIPE_BIND_SCANOUT |
 668                   PIPE_BIND_SHARED |
 669                   PIPE_BIND_BLENDABLE)) &&
 670         /* 2101010 cannot be rendered to on non-r5xx. */
 671         (!is_color2101010 || is_r500) &&
 672         r300_is_colorbuffer_format_supported(format)) {
 673         retval |= usage &
 674             (PIPE_BIND_RENDER_TARGET |
 675              PIPE_BIND_DISPLAY_TARGET |
 676              PIPE_BIND_SCANOUT |
 677              PIPE_BIND_SHARED);
 678
 679         if (r300_is_blending_supported(r300_screen(screen), format)) {
 680             retval |= usage & PIPE_BIND_BLENDABLE;
 681         }
 682     }
 683
 684     /* Check depth-stencil format support. */
 685     if (usage & PIPE_BIND_DEPTH_STENCIL &&
 686         r300_is_zs_format_supported(format)) {
 687         retval |= PIPE_BIND_DEPTH_STENCIL;
 688     }
 689
 690     /* Check vertex buffer format support. */
 691     if (usage & PIPE_BIND_VERTEX_BUFFER) {
 692         if (r300_screen(screen)->caps.has_tcl) {
 693             /* Half float is supported on >= R400. */
 694             if ((is_r400 || is_r500 || !is_half_float) &&
 695                 r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT) {
 696                 retval |= PIPE_BIND_VERTEX_BUFFER;
 697             }
 698         } else {
 699             /* SW TCL */
 700             if (!util_format_is_pure_integer(format)) {
 701                 retval |= PIPE_BIND_VERTEX_BUFFER;
 702             }
 703         }
 704     }
 705
 706     return retval == usage;
 707 }
 708
 709 static void r300_destroy_screen(struct pipe_screen* pscreen)
 710 {
 711     struct r300_screen* r300screen = r300_screen(pscreen);
 712     struct radeon_winsys *rws = radeon_winsys(pscreen);
 713
 714     if (rws && !rws->unref(rws))
 715       return;
 716
 717     mtx_destroy(&r300screen->cmask_mutex);
 718     slab_destroy_parent(&r300screen->pool_transfers);
 719
 720     if (rws)
 721       rws->destroy(rws);
 722
 723     FREE(r300screen);
 724 }
 725
 726 static void r300_fence_reference(struct pipe_screen *screen,
 727                                  struct pipe_fence_handle **ptr,
 728                                  struct pipe_fence_handle *fence)
 729 {
 730     struct radeon_winsys *rws = r300_screen(screen)->rws;
 731
 732     rws->fence_reference(ptr, fence);
 733 }
 734
 735 static boolean r300_fence_finish(struct pipe_screen *screen,
 736                                  struct pipe_context *ctx,
 737                                  struct pipe_fence_handle *fence,
 738                                  uint64_t timeout)
 739 {
 740     struct radeon_winsys *rws = r300_screen(screen)->rws;
 741
 742     return rws->fence_wait(rws, fence, timeout);
 743 }
 744
 745 struct pipe_screen* r300_screen_create(struct radeon_winsys *rws,
 746                                        const struct pipe_screen_config *config)
 747 {
 748     struct r300_screen *r300screen = CALLOC_STRUCT(r300_screen);
 749
 750     if (!r300screen) {
 751         FREE(r300screen);
 752         return NULL;
 753     }
 754
 755     rws->query_info(rws, &r300screen->info);
 756
 757     r300_init_debug(r300screen);
 758     r300_parse_chipset(r300screen->info.pci_id, &r300screen->caps);
 759
 760     if (SCREEN_DBG_ON(r300screen, DBG_NO_ZMASK))
 761         r300screen->caps.zmask_ram = 0;
 762     if (SCREEN_DBG_ON(r300screen, DBG_NO_HIZ))
 763         r300screen->caps.hiz_ram = 0;
 764
 765     r300screen->rws = rws;
 766     r300screen->screen.destroy = r300_destroy_screen;
 767     r300screen->screen.get_name = r300_get_name;
 768     r300screen->screen.get_vendor = r300_get_vendor;
 769     r300screen->screen.get_device_vendor = r300_get_device_vendor;
 770     r300screen->screen.get_param = r300_get_param;
 771     r300screen->screen.get_shader_param = r300_get_shader_param;
 772     r300screen->screen.get_paramf = r300_get_paramf;
 773     r300screen->screen.get_video_param = r300_get_video_param;
 774     r300screen->screen.is_format_supported = r300_is_format_supported;
 775     r300screen->screen.is_video_format_supported = vl_video_buffer_is_format_supported;
 776     r300screen->screen.context_create = r300_create_context;
 777     r300screen->screen.fence_reference = r300_fence_reference;
 778     r300screen->screen.fence_finish = r300_fence_finish;
 779
 780     r300_init_screen_resource_functions(r300screen);
 781
 782     slab_create_parent(&r300screen->pool_transfers, sizeof(struct pipe_transfer), 64);
 783
 784     (void) mtx_init(&r300screen->cmask_mutex, mtx_plain);
 785
 786     return &r300screen->screen;
 787 }