r300_screen.c revision 684d74e0009c01773e13f476676c0c575f73c615
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_ANISOTROPIC_FILTER: 93 case PIPE_CAP_POINT_SPRITE: 94 case PIPE_CAP_OCCLUSION_QUERY: 95 case PIPE_CAP_TEXTURE_SHADOW_MAP: 96 case PIPE_CAP_TEXTURE_MIRROR_CLAMP: 97 case PIPE_CAP_BLEND_EQUATION_SEPARATE: 98 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: 99 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: 100 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: 101 case PIPE_CAP_CONDITIONAL_RENDER: 102 case PIPE_CAP_TEXTURE_BARRIER: 103 return 1; 104 105 /* r300 cannot do swizzling of compressed textures. Supported otherwise. */ 106 case PIPE_CAP_TEXTURE_SWIZZLE: 107 return util_format_s3tc_enabled ? r300screen->caps.dxtc_swizzle : 1; 108 109 /* Supported on r500 only. */ 110 case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL: 111 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: 112 case PIPE_CAP_SM3: 113 return is_r500 ? 1 : 0; 114 115 /* Unsupported features. */ 116 case PIPE_CAP_TIMER_QUERY: 117 case PIPE_CAP_DUAL_SOURCE_BLEND: 118 case PIPE_CAP_INDEP_BLEND_ENABLE: 119 case PIPE_CAP_INDEP_BLEND_FUNC: 120 case PIPE_CAP_DEPTH_CLAMP: 121 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE: 122 case PIPE_CAP_SHADER_STENCIL_EXPORT: 123 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: 124 case PIPE_CAP_TGSI_INSTANCEID: 125 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: 126 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: 127 case PIPE_CAP_SEAMLESS_CUBE_MAP: 128 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: 129 case PIPE_CAP_SCALED_RESOLVE: 130 case PIPE_CAP_MIN_TEXEL_OFFSET: 131 case PIPE_CAP_MAX_TEXEL_OFFSET: 132 case PIPE_CAP_STREAM_OUTPUT: 133 return 0; 134 135 /* SWTCL-only features. */ 136 case PIPE_CAP_PRIMITIVE_RESTART: 137 return !r300screen->caps.has_tcl; 138 139 /* Texturing. */ 140 case PIPE_CAP_MAX_COMBINED_SAMPLERS: 141 return r300screen->caps.num_tex_units; 142 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: 143 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: 144 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: 145 /* 13 == 4096, 12 == 2048 */ 146 return is_r500 ? 13 : 12; 147 148 /* Render targets. */ 149 case PIPE_CAP_MAX_RENDER_TARGETS: 150 return 4; 151 } 152 return 0; 153} 154 155static int r300_get_shader_param(struct pipe_screen *pscreen, unsigned shader, enum pipe_shader_cap param) 156{ 157 struct r300_screen* r300screen = r300_screen(pscreen); 158 boolean is_r400 = r300screen->caps.is_r400; 159 boolean is_r500 = r300screen->caps.is_r500; 160 161 switch (shader) { 162 case PIPE_SHADER_FRAGMENT: 163 switch (param) 164 { 165 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS: 166 return is_r500 || is_r400 ? 512 : 96; 167 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS: 168 return is_r500 || is_r400 ? 512 : 64; 169 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS: 170 return is_r500 || is_r400 ? 512 : 32; 171 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS: 172 return is_r500 ? 511 : 4; 173 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH: 174 return is_r500 ? 64 : 0; /* Actually unlimited on r500. */ 175 /* Fragment shader limits. */ 176 case PIPE_SHADER_CAP_MAX_INPUTS: 177 /* 2 colors + 8 texcoords are always supported 178 * (minus fog and wpos). 179 * 180 * R500 has the ability to turn 3rd and 4th color into 181 * additional texcoords but there is no two-sided color 182 * selection then. However the facing bit can be used instead. */ 183 return 10; 184 case PIPE_SHADER_CAP_MAX_CONSTS: 185 return is_r500 ? 256 : 32; 186 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: 187 return 1; 188 case PIPE_SHADER_CAP_MAX_TEMPS: 189 return is_r500 ? 128 : is_r400 ? 64 : 32; 190 case PIPE_SHADER_CAP_MAX_ADDRS: 191 return 0; 192 case PIPE_SHADER_CAP_MAX_PREDS: 193 return is_r500 ? 1 : 0; 194 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED: 195 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR: 196 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR: 197 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: 198 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: 199 case PIPE_SHADER_CAP_SUBROUTINES: 200 case PIPE_SHADER_CAP_INTEGERS: 201 return 0; 202 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: 203 return r300screen->caps.num_tex_units; 204 } 205 break; 206 case PIPE_SHADER_VERTEX: 207 switch (param) 208 { 209 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: 210 return 0; 211 default:; 212 } 213 214 if (!r300screen->caps.has_tcl) { 215 return draw_get_shader_param(shader, param); 216 } 217 218 switch (param) 219 { 220 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS: 221 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS: 222 return is_r500 ? 1024 : 256; 223 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS: 224 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS: 225 return 0; 226 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH: 227 return is_r500 ? 4 : 0; /* For loops; not sure about conditionals. */ 228 case PIPE_SHADER_CAP_MAX_INPUTS: 229 return 16; 230 case PIPE_SHADER_CAP_MAX_CONSTS: 231 return 256; 232 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: 233 return 1; 234 case PIPE_SHADER_CAP_MAX_TEMPS: 235 return 32; 236 case PIPE_SHADER_CAP_MAX_ADDRS: 237 return 1; /* XXX guessed */ 238 case PIPE_SHADER_CAP_MAX_PREDS: 239 return is_r500 ? 4 : 0; /* XXX guessed. */ 240 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: 241 return 1; 242 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED: 243 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR: 244 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR: 245 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: 246 case PIPE_SHADER_CAP_SUBROUTINES: 247 case PIPE_SHADER_CAP_INTEGERS: 248 return 0; 249 } 250 break; 251 } 252 return 0; 253} 254 255static float r300_get_paramf(struct pipe_screen* pscreen, 256 enum pipe_capf param) 257{ 258 struct r300_screen* r300screen = r300_screen(pscreen); 259 260 switch (param) { 261 case PIPE_CAPF_MAX_LINE_WIDTH: 262 case PIPE_CAPF_MAX_LINE_WIDTH_AA: 263 case PIPE_CAPF_MAX_POINT_WIDTH: 264 case PIPE_CAPF_MAX_POINT_WIDTH_AA: 265 /* The maximum dimensions of the colorbuffer are our practical 266 * rendering limits. 2048 pixels should be enough for anybody. */ 267 if (r300screen->caps.is_r500) { 268 return 4096.0f; 269 } else if (r300screen->caps.is_r400) { 270 return 4021.0f; 271 } else { 272 return 2560.0f; 273 } 274 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY: 275 return 16.0f; 276 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: 277 return 16.0f; 278 case PIPE_CAPF_GUARD_BAND_LEFT: 279 case PIPE_CAPF_GUARD_BAND_TOP: 280 case PIPE_CAPF_GUARD_BAND_RIGHT: 281 case PIPE_CAPF_GUARD_BAND_BOTTOM: 282 /* XXX I don't know what these should be but the least we can do is 283 * silence the potential error message */ 284 return 0.0f; 285 default: 286 debug_printf("r300: Warning: Unknown CAP %d in get_paramf.\n", 287 param); 288 return 0.0f; 289 } 290} 291 292static int r300_get_video_param(struct pipe_screen *screen, 293 enum pipe_video_profile profile, 294 enum pipe_video_cap param) 295{ 296 switch (param) { 297 case PIPE_VIDEO_CAP_SUPPORTED: 298 return vl_profile_supported(screen, profile); 299 case PIPE_VIDEO_CAP_NPOT_TEXTURES: 300 return 0; 301 case PIPE_VIDEO_CAP_MAX_WIDTH: 302 case PIPE_VIDEO_CAP_MAX_HEIGHT: 303 return vl_video_buffer_max_size(screen); 304 case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED: 305 return vl_num_buffers_desired(screen, profile); 306 default: 307 return 0; 308 } 309} 310 311static boolean r300_is_format_supported(struct pipe_screen* screen, 312 enum pipe_format format, 313 enum pipe_texture_target target, 314 unsigned sample_count, 315 unsigned usage) 316{ 317 uint32_t retval = 0; 318 boolean drm_2_8_0 = r300_screen(screen)->info.drm_minor >= 8; 319 boolean is_r500 = r300_screen(screen)->caps.is_r500; 320 boolean is_r400 = r300_screen(screen)->caps.is_r400; 321 boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM || 322 format == PIPE_FORMAT_R10G10B10X2_SNORM || 323 format == PIPE_FORMAT_B10G10R10A2_UNORM || 324 format == PIPE_FORMAT_R10SG10SB10SA2U_NORM; 325 boolean is_ati1n = format == PIPE_FORMAT_RGTC1_UNORM || 326 format == PIPE_FORMAT_RGTC1_SNORM || 327 format == PIPE_FORMAT_LATC1_UNORM || 328 format == PIPE_FORMAT_LATC1_SNORM; 329 boolean is_ati2n = format == PIPE_FORMAT_RGTC2_UNORM || 330 format == PIPE_FORMAT_RGTC2_SNORM || 331 format == PIPE_FORMAT_LATC2_UNORM || 332 format == PIPE_FORMAT_LATC2_SNORM; 333 boolean is_x16f_xy16f = format == PIPE_FORMAT_R16_FLOAT || 334 format == PIPE_FORMAT_R16G16_FLOAT || 335 format == PIPE_FORMAT_A16_FLOAT || 336 format == PIPE_FORMAT_L16_FLOAT || 337 format == PIPE_FORMAT_L16A16_FLOAT || 338 format == PIPE_FORMAT_I16_FLOAT; 339 boolean is_half_float = format == PIPE_FORMAT_R16_FLOAT || 340 format == PIPE_FORMAT_R16G16_FLOAT || 341 format == PIPE_FORMAT_R16G16B16_FLOAT || 342 format == PIPE_FORMAT_R16G16B16A16_FLOAT; 343 boolean is_fixed = format == PIPE_FORMAT_R32_FIXED || 344 format == PIPE_FORMAT_R32G32_FIXED || 345 format == PIPE_FORMAT_R32G32B32_FIXED || 346 format == PIPE_FORMAT_R32G32B32A32_FIXED; 347 348 if (!util_format_is_supported(format, usage)) 349 return FALSE; 350 351 /* Check multisampling support. */ 352 switch (sample_count) { 353 case 0: 354 case 1: 355 break; 356 case 2: 357 case 3: 358 case 4: 359 case 6: 360 return FALSE; 361#if 0 362 if (usage != PIPE_BIND_RENDER_TARGET || 363 !util_format_is_rgba8_variant( 364 util_format_description(format))) { 365 return FALSE; 366 } 367#endif 368 break; 369 default: 370 return FALSE; 371 } 372 373 /* Check sampler format support. */ 374 if ((usage & PIPE_BIND_SAMPLER_VIEW) && 375 /* ATI1N is r5xx-only. */ 376 (is_r500 || !is_ati1n) && 377 /* ATI2N is supported on r4xx-r5xx. */ 378 (is_r400 || is_r500 || !is_ati2n) && 379 /* R16F and RG16F texture support was added in as late as DRM 2.8.0 */ 380 (drm_2_8_0 || !is_x16f_xy16f) && 381 r300_is_sampler_format_supported(format)) { 382 retval |= PIPE_BIND_SAMPLER_VIEW; 383 } 384 385 /* Check colorbuffer format support. */ 386 if ((usage & (PIPE_BIND_RENDER_TARGET | 387 PIPE_BIND_DISPLAY_TARGET | 388 PIPE_BIND_SCANOUT | 389 PIPE_BIND_SHARED)) && 390 /* 2101010 cannot be rendered to on non-r5xx. */ 391 (!is_color2101010 || (is_r500 && drm_2_8_0)) && 392 r300_is_colorbuffer_format_supported(format)) { 393 retval |= usage & 394 (PIPE_BIND_RENDER_TARGET | 395 PIPE_BIND_DISPLAY_TARGET | 396 PIPE_BIND_SCANOUT | 397 PIPE_BIND_SHARED); 398 } 399 400 /* Check depth-stencil format support. */ 401 if (usage & PIPE_BIND_DEPTH_STENCIL && 402 r300_is_zs_format_supported(format)) { 403 retval |= PIPE_BIND_DEPTH_STENCIL; 404 } 405 406 /* Check vertex buffer format support. */ 407 if (usage & PIPE_BIND_VERTEX_BUFFER && 408 /* Half float is supported on >= R400. */ 409 (is_r400 || is_r500 || !is_half_float) && 410 /* We have a fallback for FIXED. */ 411 (is_fixed || r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT)) { 412 retval |= PIPE_BIND_VERTEX_BUFFER; 413 } 414 415 /* Transfers are always supported. */ 416 if (usage & PIPE_BIND_TRANSFER_READ) 417 retval |= PIPE_BIND_TRANSFER_READ; 418 if (usage & PIPE_BIND_TRANSFER_WRITE) 419 retval |= PIPE_BIND_TRANSFER_WRITE; 420 421 return retval == usage; 422} 423 424static void r300_destroy_screen(struct pipe_screen* pscreen) 425{ 426 struct r300_screen* r300screen = r300_screen(pscreen); 427 struct radeon_winsys *rws = radeon_winsys(pscreen); 428 429 util_slab_destroy(&r300screen->pool_buffers); 430 pipe_mutex_destroy(r300screen->num_contexts_mutex); 431 432 if (rws) 433 rws->destroy(rws); 434 435 FREE(r300screen); 436} 437 438static void r300_fence_reference(struct pipe_screen *screen, 439 struct pipe_fence_handle **ptr, 440 struct pipe_fence_handle *fence) 441{ 442 pb_reference((struct pb_buffer**)ptr, 443 (struct pb_buffer*)fence); 444} 445 446static boolean r300_fence_signalled(struct pipe_screen *screen, 447 struct pipe_fence_handle *fence) 448{ 449 struct radeon_winsys *rws = r300_screen(screen)->rws; 450 struct pb_buffer *rfence = (struct pb_buffer*)fence; 451 452 return !rws->buffer_is_busy(rfence, RADEON_USAGE_READWRITE); 453} 454 455static boolean r300_fence_finish(struct pipe_screen *screen, 456 struct pipe_fence_handle *fence, 457 uint64_t timeout) 458{ 459 struct radeon_winsys *rws = r300_screen(screen)->rws; 460 struct pb_buffer *rfence = (struct pb_buffer*)fence; 461 462 if (timeout != PIPE_TIMEOUT_INFINITE) { 463 int64_t start_time = os_time_get(); 464 465 /* Convert to microseconds. */ 466 timeout /= 1000; 467 468 /* Wait in a loop. */ 469 while (rws->buffer_is_busy(rfence, RADEON_USAGE_READWRITE)) { 470 if (os_time_get() - start_time >= timeout) { 471 return FALSE; 472 } 473 os_time_sleep(10); 474 } 475 return TRUE; 476 } 477 478 rws->buffer_wait(rfence, RADEON_USAGE_READWRITE); 479 return TRUE; 480} 481 482struct pipe_screen* r300_screen_create(struct radeon_winsys *rws) 483{ 484 struct r300_screen *r300screen = CALLOC_STRUCT(r300_screen); 485 486 if (!r300screen) { 487 FREE(r300screen); 488 return NULL; 489 } 490 491 rws->query_info(rws, &r300screen->info); 492 493 r300_init_debug(r300screen); 494 r300_parse_chipset(r300screen->info.pci_id, &r300screen->caps); 495 496 if (SCREEN_DBG_ON(r300screen, DBG_NO_ZMASK)) 497 r300screen->caps.zmask_ram = 0; 498 if (SCREEN_DBG_ON(r300screen, DBG_NO_HIZ)) 499 r300screen->caps.hiz_ram = 0; 500 501 if (r300screen->info.drm_minor < 8) 502 r300screen->caps.has_us_format = FALSE; 503 504 pipe_mutex_init(r300screen->num_contexts_mutex); 505 506 util_slab_create(&r300screen->pool_buffers, 507 sizeof(struct r300_resource), 64, 508 UTIL_SLAB_SINGLETHREADED); 509 510 r300screen->rws = rws; 511 r300screen->screen.winsys = (struct pipe_winsys*)rws; 512 r300screen->screen.destroy = r300_destroy_screen; 513 r300screen->screen.get_name = r300_get_name; 514 r300screen->screen.get_vendor = r300_get_vendor; 515 r300screen->screen.get_param = r300_get_param; 516 r300screen->screen.get_shader_param = r300_get_shader_param; 517 r300screen->screen.get_paramf = r300_get_paramf; 518 r300screen->screen.get_video_param = r300_get_video_param; 519 r300screen->screen.is_format_supported = r300_is_format_supported; 520 r300screen->screen.is_video_format_supported = vl_video_buffer_is_format_supported; 521 r300screen->screen.context_create = r300_create_context; 522 r300screen->screen.fence_reference = r300_fence_reference; 523 r300screen->screen.fence_signalled = r300_fence_signalled; 524 r300screen->screen.fence_finish = r300_fence_finish; 525 526 r300_init_screen_resource_functions(r300screen); 527 528 util_format_s3tc_init(); 529 530 return &r300screen->screen; 531} 532