r300_screen.c revision 3d13b081c72626acba6b9a25baec740c60dfafe1
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 "os/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.) */ 45static const char* r300_get_vendor(struct pipe_screen* pscreen) 46{ 47 return "X.Org R300 Project"; 48} 49 50static const char* chip_families[] = { 51 "ATI R300", 52 "ATI R350", 53 "ATI RV350", 54 "ATI RV370", 55 "ATI RV380", 56 "ATI RS400", 57 "ATI RC410", 58 "ATI RS480", 59 "ATI R420", 60 "ATI R423", 61 "ATI R430", 62 "ATI R480", 63 "ATI R481", 64 "ATI RV410", 65 "ATI RS600", 66 "ATI RS690", 67 "ATI RS740", 68 "ATI RV515", 69 "ATI R520", 70 "ATI RV530", 71 "ATI R580", 72 "ATI RV560", 73 "ATI RV570" 74}; 75 76static const char* r300_get_name(struct pipe_screen* pscreen) 77{ 78 struct r300_screen* r300screen = r300_screen(pscreen); 79 80 return chip_families[r300screen->caps.family]; 81} 82 83static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param) 84{ 85 struct r300_screen* r300screen = r300_screen(pscreen); 86 boolean is_r500 = r300screen->caps.is_r500; 87 88 switch (param) { 89 /* Supported features (boolean caps). */ 90 case PIPE_CAP_NPOT_TEXTURES: 91 case PIPE_CAP_TWO_SIDED_STENCIL: 92 case PIPE_CAP_GLSL: 93 /* I'll be frank. This is a lie. 94 * 95 * We don't truly support GLSL on any of this driver's chipsets. 96 * To be fair, no chipset supports the full GLSL specification 97 * to the best of our knowledge, but some of the less esoteric 98 * features are still missing here. 99 * 100 * Rather than cripple ourselves intentionally, I'm going to set 101 * this flag, and as Gallium's interface continues to change, I 102 * hope that this single monolithic GLSL enable can slowly get 103 * split down into many different pieces and the state tracker 104 * will handle fallbacks transparently, like it should. 105 * 106 * ~ C. 107 */ 108 case PIPE_CAP_ANISOTROPIC_FILTER: 109 case PIPE_CAP_POINT_SPRITE: 110 case PIPE_CAP_OCCLUSION_QUERY: 111 case PIPE_CAP_TEXTURE_SHADOW_MAP: 112 case PIPE_CAP_TEXTURE_MIRROR_CLAMP: 113 case PIPE_CAP_BLEND_EQUATION_SEPARATE: 114 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: 115 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: 116 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: 117 case PIPE_CAP_CONDITIONAL_RENDER: 118 return 1; 119 120 /* r300 cannot do swizzling of compressed textures. Supported otherwise. */ 121 case PIPE_CAP_TEXTURE_SWIZZLE: 122 return util_format_s3tc_enabled ? r300screen->caps.dxtc_swizzle : 1; 123 124 /* Supported on r500 only. */ 125 case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL: 126 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: 127 case PIPE_CAP_SM3: 128 return is_r500 ? 1 : 0; 129 130 /* Unsupported features. */ 131 case PIPE_CAP_TIMER_QUERY: 132 case PIPE_CAP_DUAL_SOURCE_BLEND: 133 case PIPE_CAP_INDEP_BLEND_ENABLE: 134 case PIPE_CAP_INDEP_BLEND_FUNC: 135 case PIPE_CAP_DEPTH_CLAMP: 136 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE: 137 case PIPE_CAP_SHADER_STENCIL_EXPORT: 138 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: 139 case PIPE_CAP_TGSI_INSTANCEID: 140 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: 141 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: 142 case PIPE_CAP_SEAMLESS_CUBE_MAP: 143 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: 144 case PIPE_CAP_SCALED_RESOLVE: 145 case PIPE_CAP_MIN_TEXEL_OFFSET: 146 case PIPE_CAP_MAX_TEXEL_OFFSET: 147 return 0; 148 149 /* SWTCL-only features. */ 150 case PIPE_CAP_STREAM_OUTPUT: 151 case PIPE_CAP_PRIMITIVE_RESTART: 152 return !r300screen->caps.has_tcl; 153 154 /* Texturing. */ 155 case PIPE_CAP_MAX_COMBINED_SAMPLERS: 156 return r300screen->caps.num_tex_units; 157 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: 158 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: 159 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: 160 /* 13 == 4096, 12 == 2048 */ 161 return is_r500 ? 13 : 12; 162 163 /* Render targets. */ 164 case PIPE_CAP_MAX_RENDER_TARGETS: 165 return 4; 166 167 default: 168 debug_printf("r300: Warning: Unknown CAP %d in get_param.\n", 169 param); 170 return 0; 171 } 172} 173 174static int r300_get_shader_param(struct pipe_screen *pscreen, unsigned shader, enum pipe_shader_cap param) 175{ 176 struct r300_screen* r300screen = r300_screen(pscreen); 177 boolean is_r400 = r300screen->caps.is_r400; 178 boolean is_r500 = r300screen->caps.is_r500; 179 180 switch (shader) 181 { 182 case PIPE_SHADER_FRAGMENT: 183 switch (param) 184 { 185 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS: 186 return is_r500 || is_r400 ? 512 : 96; 187 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS: 188 return is_r500 || is_r400 ? 512 : 64; 189 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS: 190 return is_r500 || is_r400 ? 512 : 32; 191 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS: 192 return is_r500 ? 511 : 4; 193 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH: 194 return is_r500 ? 64 : 0; /* Actually unlimited on r500. */ 195 /* Fragment shader limits. */ 196 case PIPE_SHADER_CAP_MAX_INPUTS: 197 /* 2 colors + 8 texcoords are always supported 198 * (minus fog and wpos). 199 * 200 * R500 has the ability to turn 3rd and 4th color into 201 * additional texcoords but there is no two-sided color 202 * selection then. However the facing bit can be used instead. */ 203 return 10; 204 case PIPE_SHADER_CAP_MAX_CONSTS: 205 return is_r500 ? 256 : 32; 206 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: 207 return 1; 208 case PIPE_SHADER_CAP_MAX_TEMPS: 209 return is_r500 ? 128 : is_r400 ? 64 : 32; 210 case PIPE_SHADER_CAP_MAX_ADDRS: 211 return 0; 212 case PIPE_SHADER_CAP_MAX_PREDS: 213 return is_r500 ? 1 : 0; 214 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED: 215 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR: 216 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR: 217 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: 218 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: 219 case PIPE_SHADER_CAP_SUBROUTINES: 220 case PIPE_SHADER_CAP_INTEGERS: 221 return 0; 222 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: 223 return r300screen->caps.num_tex_units; 224 } 225 break; 226 case PIPE_SHADER_VERTEX: 227 if (!r300screen->caps.has_tcl) { 228 return draw_get_shader_param(shader, param); 229 } 230 231 switch (param) 232 { 233 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS: 234 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS: 235 return is_r500 ? 1024 : 256; 236 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS: 237 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS: 238 return 0; 239 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH: 240 return is_r500 ? 4 : 0; /* For loops; not sure about conditionals. */ 241 case PIPE_SHADER_CAP_MAX_INPUTS: 242 return 16; 243 case PIPE_SHADER_CAP_MAX_CONSTS: 244 return 256; 245 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: 246 return 1; 247 case PIPE_SHADER_CAP_MAX_TEMPS: 248 return 32; 249 case PIPE_SHADER_CAP_MAX_ADDRS: 250 return 1; /* XXX guessed */ 251 case PIPE_SHADER_CAP_MAX_PREDS: 252 return is_r500 ? 4 : 0; /* XXX guessed. */ 253 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: 254 return 1; 255 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED: 256 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR: 257 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR: 258 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: 259 case PIPE_SHADER_CAP_SUBROUTINES: 260 case PIPE_SHADER_CAP_INTEGERS: 261 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: 262 return 0; 263 } 264 break; 265 default: 266 break; 267 } 268 return 0; 269} 270 271static float r300_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param) 272{ 273 struct r300_screen* r300screen = r300_screen(pscreen); 274 275 switch (param) { 276 case PIPE_CAP_MAX_LINE_WIDTH: 277 case PIPE_CAP_MAX_LINE_WIDTH_AA: 278 case PIPE_CAP_MAX_POINT_WIDTH: 279 case PIPE_CAP_MAX_POINT_WIDTH_AA: 280 /* The maximum dimensions of the colorbuffer are our practical 281 * rendering limits. 2048 pixels should be enough for anybody. */ 282 if (r300screen->caps.is_r500) { 283 return 4096.0f; 284 } else if (r300screen->caps.is_r400) { 285 return 4021.0f; 286 } else { 287 return 2560.0f; 288 } 289 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY: 290 return 16.0f; 291 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: 292 return 16.0f; 293 case PIPE_CAP_GUARD_BAND_LEFT: 294 case PIPE_CAP_GUARD_BAND_TOP: 295 case PIPE_CAP_GUARD_BAND_RIGHT: 296 case PIPE_CAP_GUARD_BAND_BOTTOM: 297 /* XXX I don't know what these should be but the least we can do is 298 * silence the potential error message */ 299 return 0.0f; 300 default: 301 debug_printf("r300: Warning: Unknown CAP %d in get_paramf.\n", 302 param); 303 return 0.0f; 304 } 305} 306 307static int r300_get_video_param(struct pipe_screen *screen, 308 enum pipe_video_profile profile, 309 enum pipe_video_cap param) 310{ 311 switch (param) { 312 case PIPE_VIDEO_CAP_SUPPORTED: 313 return vl_profile_supported(screen, profile); 314 case PIPE_VIDEO_CAP_NPOT_TEXTURES: 315 return 0; 316 case PIPE_VIDEO_CAP_MAX_WIDTH: 317 case PIPE_VIDEO_CAP_MAX_HEIGHT: 318 return vl_video_buffer_max_size(screen); 319 case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED: 320 return vl_num_buffers_desired(screen, profile); 321 default: 322 return 0; 323 } 324} 325 326static boolean r300_is_format_supported(struct pipe_screen* screen, 327 enum pipe_format format, 328 enum pipe_texture_target target, 329 unsigned sample_count, 330 unsigned usage) 331{ 332 uint32_t retval = 0; 333 boolean drm_2_8_0 = r300_screen(screen)->info.drm_minor >= 8; 334 boolean is_r500 = r300_screen(screen)->caps.is_r500; 335 boolean is_r400 = r300_screen(screen)->caps.is_r400; 336 boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM || 337 format == PIPE_FORMAT_R10G10B10X2_SNORM || 338 format == PIPE_FORMAT_B10G10R10A2_UNORM || 339 format == PIPE_FORMAT_R10SG10SB10SA2U_NORM; 340 boolean is_ati1n = format == PIPE_FORMAT_RGTC1_UNORM || 341 format == PIPE_FORMAT_RGTC1_SNORM || 342 format == PIPE_FORMAT_LATC1_UNORM || 343 format == PIPE_FORMAT_LATC1_SNORM; 344 boolean is_ati2n = format == PIPE_FORMAT_RGTC2_UNORM || 345 format == PIPE_FORMAT_RGTC2_SNORM || 346 format == PIPE_FORMAT_LATC2_UNORM || 347 format == PIPE_FORMAT_LATC2_SNORM; 348 boolean is_x16f_xy16f = format == PIPE_FORMAT_R16_FLOAT || 349 format == PIPE_FORMAT_R16G16_FLOAT || 350 format == PIPE_FORMAT_A16_FLOAT || 351 format == PIPE_FORMAT_L16_FLOAT || 352 format == PIPE_FORMAT_L16A16_FLOAT || 353 format == PIPE_FORMAT_I16_FLOAT; 354 boolean is_half_float = format == PIPE_FORMAT_R16_FLOAT || 355 format == PIPE_FORMAT_R16G16_FLOAT || 356 format == PIPE_FORMAT_R16G16B16_FLOAT || 357 format == PIPE_FORMAT_R16G16B16A16_FLOAT; 358 359 if (!util_format_is_supported(format, usage)) 360 return FALSE; 361 362 /* Check multisampling support. */ 363 switch (sample_count) { 364 case 0: 365 case 1: 366 break; 367 case 2: 368 case 3: 369 case 4: 370 case 6: 371 return FALSE; 372#if 0 373 if (usage != PIPE_BIND_RENDER_TARGET || 374 !util_format_is_rgba8_variant( 375 util_format_description(format))) { 376 return FALSE; 377 } 378#endif 379 break; 380 default: 381 return FALSE; 382 } 383 384 /* Check sampler format support. */ 385 if ((usage & PIPE_BIND_SAMPLER_VIEW) && 386 /* ATI1N is r5xx-only. */ 387 (is_r500 || !is_ati1n) && 388 /* ATI2N is supported on r4xx-r5xx. */ 389 (is_r400 || is_r500 || !is_ati2n) && 390 /* R16F and RG16F texture support was added in as late as DRM 2.8.0 */ 391 (drm_2_8_0 || !is_x16f_xy16f) && 392 r300_is_sampler_format_supported(format)) { 393 retval |= PIPE_BIND_SAMPLER_VIEW; 394 } 395 396 /* Check colorbuffer format support. */ 397 if ((usage & (PIPE_BIND_RENDER_TARGET | 398 PIPE_BIND_DISPLAY_TARGET | 399 PIPE_BIND_SCANOUT | 400 PIPE_BIND_SHARED)) && 401 /* 2101010 cannot be rendered to on non-r5xx. */ 402 (!is_color2101010 || (is_r500 && drm_2_8_0)) && 403 r300_is_colorbuffer_format_supported(format)) { 404 retval |= usage & 405 (PIPE_BIND_RENDER_TARGET | 406 PIPE_BIND_DISPLAY_TARGET | 407 PIPE_BIND_SCANOUT | 408 PIPE_BIND_SHARED); 409 } 410 411 /* Check depth-stencil format support. */ 412 if (usage & PIPE_BIND_DEPTH_STENCIL && 413 r300_is_zs_format_supported(format)) { 414 retval |= PIPE_BIND_DEPTH_STENCIL; 415 } 416 417 /* Check vertex buffer format support. */ 418 if (usage & PIPE_BIND_VERTEX_BUFFER && 419 /* Half float is supported on >= RV350. */ 420 (is_r400 || is_r500 || !is_half_float) && 421 r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT) { 422 retval |= PIPE_BIND_VERTEX_BUFFER; 423 } 424 425 /* Transfers are always supported. */ 426 if (usage & PIPE_BIND_TRANSFER_READ) 427 retval |= PIPE_BIND_TRANSFER_READ; 428 if (usage & PIPE_BIND_TRANSFER_WRITE) 429 retval |= PIPE_BIND_TRANSFER_WRITE; 430 431 return retval == usage; 432} 433 434static void r300_destroy_screen(struct pipe_screen* pscreen) 435{ 436 struct r300_screen* r300screen = r300_screen(pscreen); 437 struct radeon_winsys *rws = radeon_winsys(pscreen); 438 439 util_slab_destroy(&r300screen->pool_buffers); 440 pipe_mutex_destroy(r300screen->num_contexts_mutex); 441 442 if (rws) 443 rws->destroy(rws); 444 445 FREE(r300screen); 446} 447 448static void r300_fence_reference(struct pipe_screen *screen, 449 struct pipe_fence_handle **ptr, 450 struct pipe_fence_handle *fence) 451{ 452 pb_reference((struct pb_buffer**)ptr, 453 (struct pb_buffer*)fence); 454} 455 456static boolean r300_fence_signalled(struct pipe_screen *screen, 457 struct pipe_fence_handle *fence) 458{ 459 struct radeon_winsys *rws = r300_screen(screen)->rws; 460 struct pb_buffer *rfence = (struct pb_buffer*)fence; 461 462 return !rws->buffer_is_busy(rfence, RADEON_USAGE_READWRITE); 463} 464 465static boolean r300_fence_finish(struct pipe_screen *screen, 466 struct pipe_fence_handle *fence, 467 uint64_t timeout) 468{ 469 struct radeon_winsys *rws = r300_screen(screen)->rws; 470 struct pb_buffer *rfence = (struct pb_buffer*)fence; 471 472 if (timeout != PIPE_TIMEOUT_INFINITE) { 473 int64_t start_time = os_time_get(); 474 475 /* Convert to microseconds. */ 476 timeout /= 1000; 477 478 /* Wait in a loop. */ 479 while (rws->buffer_is_busy(rfence, RADEON_USAGE_READWRITE)) { 480 if (os_time_get() - start_time >= timeout) { 481 return FALSE; 482 } 483 os_time_sleep(10); 484 } 485 return TRUE; 486 } 487 488 rws->buffer_wait(rfence, RADEON_USAGE_READWRITE); 489 return TRUE; 490} 491 492struct pipe_screen* r300_screen_create(struct radeon_winsys *rws) 493{ 494 struct r300_screen *r300screen = CALLOC_STRUCT(r300_screen); 495 496 if (!r300screen) { 497 FREE(r300screen); 498 return NULL; 499 } 500 501 rws->query_info(rws, &r300screen->info); 502 503 r300_init_debug(r300screen); 504 r300_parse_chipset(r300screen->info.pci_id, &r300screen->caps); 505 506 if (SCREEN_DBG_ON(r300screen, DBG_NO_ZMASK)) 507 r300screen->caps.zmask_ram = 0; 508 if (SCREEN_DBG_ON(r300screen, DBG_NO_HIZ)) 509 r300screen->caps.hiz_ram = 0; 510 511 if (r300screen->info.drm_minor < 8) 512 r300screen->caps.has_us_format = FALSE; 513 514 pipe_mutex_init(r300screen->num_contexts_mutex); 515 516 util_slab_create(&r300screen->pool_buffers, 517 sizeof(struct r300_resource), 64, 518 UTIL_SLAB_SINGLETHREADED); 519 520 r300screen->rws = rws; 521 r300screen->screen.winsys = (struct pipe_winsys*)rws; 522 r300screen->screen.destroy = r300_destroy_screen; 523 r300screen->screen.get_name = r300_get_name; 524 r300screen->screen.get_vendor = r300_get_vendor; 525 r300screen->screen.get_param = r300_get_param; 526 r300screen->screen.get_shader_param = r300_get_shader_param; 527 r300screen->screen.get_paramf = r300_get_paramf; 528 r300screen->screen.get_video_param = r300_get_video_param; 529 r300screen->screen.is_format_supported = r300_is_format_supported; 530 r300screen->screen.is_video_format_supported = vl_video_buffer_is_format_supported; 531 r300screen->screen.context_create = r300_create_context; 532 r300screen->screen.fence_reference = r300_fence_reference; 533 r300screen->screen.fence_signalled = r300_fence_signalled; 534 r300screen->screen.fence_finish = r300_fence_finish; 535 536 r300_init_screen_resource_functions(r300screen); 537 538 util_format_s3tc_init(); 539 540 return &r300screen->screen; 541} 542