1 /************************************************************************** 2 * 3 * Copyright 2014 Advanced Micro Devices, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #include "util/u_tests.h" 29 30 #include "util/u_draw_quad.h" 31 #include "util/u_format.h" 32 #include "util/u_inlines.h" 33 #include "util/u_memory.h" 34 #include "util/u_simple_shaders.h" 35 #include "util/u_surface.h" 36 #include "util/u_string.h" 37 #include "util/u_tile.h" 38 #include "tgsi/tgsi_strings.h" 39 #include "tgsi/tgsi_text.h" 40 #include "cso_cache/cso_context.h" 41 #include <stdio.h> 42 43 #define TOLERANCE 0.01 44 45 static struct pipe_resource * 46 util_create_texture2d(struct pipe_screen *screen, unsigned width, 47 unsigned height, enum pipe_format format) 48 { 49 struct pipe_resource templ = {{0}}; 50 51 templ.target = PIPE_TEXTURE_2D; 52 templ.width0 = width; 53 templ.height0 = height; 54 templ.depth0 = 1; 55 templ.array_size = 1; 56 templ.format = format; 57 templ.usage = PIPE_USAGE_DEFAULT; 58 templ.bind = PIPE_BIND_SAMPLER_VIEW | 59 (util_format_is_depth_or_stencil(format) ? 60 PIPE_BIND_DEPTH_STENCIL : PIPE_BIND_RENDER_TARGET); 61 62 return screen->resource_create(screen, &templ); 63 } 64 65 static void 66 util_set_framebuffer_cb0(struct cso_context *cso, struct pipe_context *ctx, 67 struct pipe_resource *tex) 68 { 69 struct pipe_surface templ = {{0}}, *surf; 70 struct pipe_framebuffer_state fb = {0}; 71 72 templ.format = tex->format; 73 surf = ctx->create_surface(ctx, tex, &templ); 74 75 fb.width = tex->width0; 76 fb.height = tex->height0; 77 fb.cbufs[0] = surf; 78 fb.nr_cbufs = 1; 79 80 cso_set_framebuffer(cso, &fb); 81 pipe_surface_reference(&surf, NULL); 82 } 83 84 static void 85 util_set_blend_normal(struct cso_context *cso) 86 { 87 struct pipe_blend_state blend = {0}; 88 89 blend.rt[0].colormask = PIPE_MASK_RGBA; 90 cso_set_blend(cso, &blend); 91 } 92 93 static void 94 util_set_dsa_disable(struct cso_context *cso) 95 { 96 struct pipe_depth_stencil_alpha_state dsa = {{0}}; 97 98 cso_set_depth_stencil_alpha(cso, &dsa); 99 } 100 101 static void 102 util_set_rasterizer_normal(struct cso_context *cso) 103 { 104 struct pipe_rasterizer_state rs = {0}; 105 106 rs.half_pixel_center = 1; 107 rs.bottom_edge_rule = 1; 108 rs.depth_clip = 1; 109 110 cso_set_rasterizer(cso, &rs); 111 } 112 113 static void 114 util_set_max_viewport(struct cso_context *cso, struct pipe_resource *tex) 115 { 116 struct pipe_viewport_state viewport; 117 118 viewport.scale[0] = 0.5f * tex->width0; 119 viewport.scale[1] = 0.5f * tex->height0; 120 viewport.scale[2] = 1.0f; 121 viewport.translate[0] = 0.5f * tex->width0; 122 viewport.translate[1] = 0.5f * tex->height0; 123 viewport.translate[2] = 0.0f; 124 125 cso_set_viewport(cso, &viewport); 126 } 127 128 static void 129 util_set_interleaved_vertex_elements(struct cso_context *cso, 130 unsigned num_elements) 131 { 132 unsigned i; 133 struct pipe_vertex_element *velem = 134 calloc(1, num_elements * sizeof(struct pipe_vertex_element)); 135 136 for (i = 0; i < num_elements; i++) { 137 velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 138 velem[i].src_offset = i * 16; 139 } 140 141 cso_set_vertex_elements(cso, num_elements, velem); 142 free(velem); 143 } 144 145 static void * 146 util_set_passthrough_vertex_shader(struct cso_context *cso, 147 struct pipe_context *ctx, 148 bool window_space) 149 { 150 static const uint vs_attribs[] = { 151 TGSI_SEMANTIC_POSITION, 152 TGSI_SEMANTIC_GENERIC 153 }; 154 static const uint vs_indices[] = {0, 0}; 155 void *vs; 156 157 vs = util_make_vertex_passthrough_shader(ctx, 2, vs_attribs, vs_indices, 158 window_space); 159 cso_set_vertex_shader_handle(cso, vs); 160 return vs; 161 } 162 163 static void 164 util_set_common_states_and_clear(struct cso_context *cso, struct pipe_context *ctx, 165 struct pipe_resource *cb) 166 { 167 static const float clear_color[] = {0.1, 0.1, 0.1, 0.1}; 168 169 util_set_framebuffer_cb0(cso, ctx, cb); 170 util_set_blend_normal(cso); 171 util_set_dsa_disable(cso); 172 util_set_rasterizer_normal(cso); 173 util_set_max_viewport(cso, cb); 174 175 ctx->clear(ctx, PIPE_CLEAR_COLOR0, (void*)clear_color, 0, 0); 176 } 177 178 static void 179 util_draw_fullscreen_quad(struct cso_context *cso) 180 { 181 static float vertices[] = { 182 -1, -1, 0, 1, 0, 0, 0, 0, 183 -1, 1, 0, 1, 0, 1, 0, 0, 184 1, 1, 0, 1, 1, 1, 0, 0, 185 1, -1, 0, 1, 1, 0, 0, 0 186 }; 187 util_set_interleaved_vertex_elements(cso, 2); 188 util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2); 189 } 190 191 /** 192 * Probe and test if the rectangle contains the expected color. 193 * 194 * If "num_expected_colors" > 1, at least one expected color must match 195 * the probed color. "expected" should be an array of 4*num_expected_colors 196 * floats. 197 */ 198 static bool 199 util_probe_rect_rgba_multi(struct pipe_context *ctx, struct pipe_resource *tex, 200 unsigned offx, unsigned offy, unsigned w, 201 unsigned h, 202 const float *expected, 203 unsigned num_expected_colors) 204 { 205 struct pipe_transfer *transfer; 206 void *map; 207 float *pixels = malloc(w * h * 4 * sizeof(float)); 208 unsigned x,y,e,c; 209 bool pass = true; 210 211 map = pipe_transfer_map(ctx, tex, 0, 0, PIPE_TRANSFER_READ, 212 offx, offy, w, h, &transfer); 213 pipe_get_tile_rgba(transfer, map, 0, 0, w, h, pixels); 214 pipe_transfer_unmap(ctx, transfer); 215 216 for (e = 0; e < num_expected_colors; e++) { 217 for (y = 0; y < h; y++) { 218 for (x = 0; x < w; x++) { 219 float *probe = &pixels[(y*w + x)*4]; 220 221 for (c = 0; c < 4; c++) { 222 if (fabs(probe[c] - expected[e*4+c]) >= TOLERANCE) { 223 if (e < num_expected_colors-1) 224 goto next_color; /* test the next expected color */ 225 226 printf("Probe color at (%i,%i), ", offx+x, offy+y); 227 printf("Expected: %.3f, %.3f, %.3f, %.3f, ", 228 expected[e*4], expected[e*4+1], 229 expected[e*4+2], expected[e*4+3]); 230 printf("Got: %.3f, %.3f, %.3f, %.3f\n", 231 probe[0], probe[1], probe[2], probe[2]); 232 pass = false; 233 goto done; 234 } 235 } 236 } 237 } 238 break; /* this color was successful */ 239 240 next_color:; 241 } 242 done: 243 244 free(pixels); 245 return pass; 246 } 247 248 static bool 249 util_probe_rect_rgba(struct pipe_context *ctx, struct pipe_resource *tex, 250 unsigned offx, unsigned offy, unsigned w, unsigned h, 251 const float *expected) 252 { 253 return util_probe_rect_rgba_multi(ctx, tex, offx, offy, w, h, expected, 1); 254 } 255 256 enum { 257 SKIP = -1, 258 FAIL = 0, /* also "false" */ 259 PASS = 1 /* also "true" */ 260 }; 261 262 static void 263 util_report_result_helper(int status, const char *name, ...) 264 { 265 char buf[256]; 266 va_list ap; 267 268 va_start(ap, name); 269 util_vsnprintf(buf, sizeof(buf), name, ap); 270 va_end(ap); 271 272 printf("Test(%s) = %s\n", buf, 273 status == SKIP ? "skip" : 274 status == PASS ? "pass" : "fail"); 275 } 276 277 #define util_report_result(status) util_report_result_helper(status, __func__) 278 279 /** 280 * Test TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION. 281 * 282 * The viewport state is set as usual, but it should have no effect. 283 * Clipping should also be disabled. 284 * 285 * POSITION.xyz should already be multiplied by 1/w and POSITION.w should 286 * contain 1/w. By setting w=0, we can test that POSITION.xyz isn't 287 * multiplied by 1/w (otherwise nothing would be rendered). 288 * 289 * TODO: Whether the value of POSITION.w is correctly interpreted as 1/w 290 * during perspective interpolation is not tested. 291 */ 292 static void 293 tgsi_vs_window_space_position(struct pipe_context *ctx) 294 { 295 struct cso_context *cso; 296 struct pipe_resource *cb; 297 void *fs, *vs; 298 bool pass = true; 299 static const float red[] = {1, 0, 0, 1}; 300 301 if (!ctx->screen->get_param(ctx->screen, 302 PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION)) { 303 util_report_result(SKIP); 304 return; 305 } 306 307 cso = cso_create_context(ctx); 308 cb = util_create_texture2d(ctx->screen, 256, 256, 309 PIPE_FORMAT_R8G8B8A8_UNORM); 310 util_set_common_states_and_clear(cso, ctx, cb); 311 312 /* Fragment shader. */ 313 fs = util_make_fragment_passthrough_shader(ctx, TGSI_SEMANTIC_GENERIC, 314 TGSI_INTERPOLATE_LINEAR, TRUE); 315 cso_set_fragment_shader_handle(cso, fs); 316 317 /* Vertex shader. */ 318 vs = util_set_passthrough_vertex_shader(cso, ctx, true); 319 320 /* Draw. */ 321 { 322 static float vertices[] = { 323 0, 0, 0, 0, 1, 0, 0, 1, 324 0, 256, 0, 0, 1, 0, 0, 1, 325 256, 256, 0, 0, 1, 0, 0, 1, 326 256, 0, 0, 0, 1, 0, 0, 1, 327 }; 328 util_set_interleaved_vertex_elements(cso, 2); 329 util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2); 330 } 331 332 /* Probe pixels. */ 333 pass = pass && util_probe_rect_rgba(ctx, cb, 0, 0, 334 cb->width0, cb->height0, red); 335 336 /* Cleanup. */ 337 cso_destroy_context(cso); 338 ctx->delete_vs_state(ctx, vs); 339 ctx->delete_fs_state(ctx, fs); 340 pipe_resource_reference(&cb, NULL); 341 342 util_report_result(pass); 343 } 344 345 static void 346 null_sampler_view(struct pipe_context *ctx, unsigned tgsi_tex_target) 347 { 348 struct cso_context *cso; 349 struct pipe_resource *cb; 350 void *fs, *vs; 351 bool pass = true; 352 /* 2 expected colors: */ 353 static const float expected_tex[] = {0, 0, 0, 1, 354 0, 0, 0, 0}; 355 static const float expected_buf[] = {0, 0, 0, 0}; 356 const float *expected = tgsi_tex_target == TGSI_TEXTURE_BUFFER ? 357 expected_buf : expected_tex; 358 unsigned num_expected = tgsi_tex_target == TGSI_TEXTURE_BUFFER ? 1 : 2; 359 360 if (tgsi_tex_target == TGSI_TEXTURE_BUFFER && 361 !ctx->screen->get_param(ctx->screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS)) { 362 util_report_result_helper(SKIP, "%s: %s", __func__, 363 tgsi_texture_names[tgsi_tex_target]); 364 return; 365 } 366 367 cso = cso_create_context(ctx); 368 cb = util_create_texture2d(ctx->screen, 256, 256, 369 PIPE_FORMAT_R8G8B8A8_UNORM); 370 util_set_common_states_and_clear(cso, ctx, cb); 371 372 ctx->set_sampler_views(ctx, PIPE_SHADER_FRAGMENT, 0, 1, NULL); 373 374 /* Fragment shader. */ 375 fs = util_make_fragment_tex_shader(ctx, tgsi_tex_target, 376 TGSI_INTERPOLATE_LINEAR, 377 TGSI_RETURN_TYPE_FLOAT, 378 TGSI_RETURN_TYPE_FLOAT); 379 cso_set_fragment_shader_handle(cso, fs); 380 381 /* Vertex shader. */ 382 vs = util_set_passthrough_vertex_shader(cso, ctx, false); 383 util_draw_fullscreen_quad(cso); 384 385 /* Probe pixels. */ 386 pass = pass && util_probe_rect_rgba_multi(ctx, cb, 0, 0, 387 cb->width0, cb->height0, expected, 388 num_expected); 389 390 /* Cleanup. */ 391 cso_destroy_context(cso); 392 ctx->delete_vs_state(ctx, vs); 393 ctx->delete_fs_state(ctx, fs); 394 pipe_resource_reference(&cb, NULL); 395 396 util_report_result_helper(pass, "%s: %s", __func__, 397 tgsi_texture_names[tgsi_tex_target]); 398 } 399 400 static void 401 null_constant_buffer(struct pipe_context *ctx) 402 { 403 struct cso_context *cso; 404 struct pipe_resource *cb; 405 void *fs, *vs; 406 bool pass = true; 407 static const float zero[] = {0, 0, 0, 0}; 408 409 cso = cso_create_context(ctx); 410 cb = util_create_texture2d(ctx->screen, 256, 256, 411 PIPE_FORMAT_R8G8B8A8_UNORM); 412 util_set_common_states_and_clear(cso, ctx, cb); 413 414 ctx->set_constant_buffer(ctx, PIPE_SHADER_FRAGMENT, 0, NULL); 415 416 /* Fragment shader. */ 417 { 418 static const char *text = /* I don't like ureg... */ 419 "FRAG\n" 420 "DCL CONST[0]\n" 421 "DCL OUT[0], COLOR\n" 422 423 "MOV OUT[0], CONST[0]\n" 424 "END\n"; 425 struct tgsi_token tokens[1000]; 426 struct pipe_shader_state state; 427 428 if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens))) { 429 puts("Can't compile a fragment shader."); 430 util_report_result(FAIL); 431 return; 432 } 433 pipe_shader_state_from_tgsi(&state, tokens); 434 fs = ctx->create_fs_state(ctx, &state); 435 cso_set_fragment_shader_handle(cso, fs); 436 } 437 438 /* Vertex shader. */ 439 vs = util_set_passthrough_vertex_shader(cso, ctx, false); 440 util_draw_fullscreen_quad(cso); 441 442 /* Probe pixels. */ 443 pass = pass && util_probe_rect_rgba(ctx, cb, 0, 0, cb->width0, 444 cb->height0, zero); 445 446 /* Cleanup. */ 447 cso_destroy_context(cso); 448 ctx->delete_vs_state(ctx, vs); 449 ctx->delete_fs_state(ctx, fs); 450 pipe_resource_reference(&cb, NULL); 451 452 util_report_result(pass); 453 } 454 455 static void 456 null_fragment_shader(struct pipe_context *ctx) 457 { 458 struct cso_context *cso; 459 struct pipe_resource *cb; 460 void *vs; 461 struct pipe_rasterizer_state rs = {0}; 462 struct pipe_query *query; 463 union pipe_query_result qresult; 464 465 cso = cso_create_context(ctx); 466 cb = util_create_texture2d(ctx->screen, 256, 256, 467 PIPE_FORMAT_R8G8B8A8_UNORM); 468 util_set_common_states_and_clear(cso, ctx, cb); 469 470 /* No rasterization. */ 471 rs.rasterizer_discard = 1; 472 cso_set_rasterizer(cso, &rs); 473 474 vs = util_set_passthrough_vertex_shader(cso, ctx, false); 475 476 query = ctx->create_query(ctx, PIPE_QUERY_PRIMITIVES_GENERATED, 0); 477 ctx->begin_query(ctx, query); 478 util_draw_fullscreen_quad(cso); 479 ctx->end_query(ctx, query); 480 ctx->get_query_result(ctx, query, true, &qresult); 481 482 /* Cleanup. */ 483 cso_destroy_context(cso); 484 ctx->delete_vs_state(ctx, vs); 485 ctx->destroy_query(ctx, query); 486 pipe_resource_reference(&cb, NULL); 487 488 /* Check PRIMITIVES_GENERATED. */ 489 util_report_result(qresult.u64 == 2); 490 } 491 492 /** 493 * Run all tests. This should be run with a clean context after 494 * context_create. 495 */ 496 void 497 util_run_tests(struct pipe_screen *screen) 498 { 499 struct pipe_context *ctx = screen->context_create(screen, NULL, 0); 500 501 null_fragment_shader(ctx); 502 tgsi_vs_window_space_position(ctx); 503 null_sampler_view(ctx, TGSI_TEXTURE_2D); 504 null_sampler_view(ctx, TGSI_TEXTURE_BUFFER); 505 null_constant_buffer(ctx); 506 507 ctx->destroy(ctx); 508 509 puts("Done. Exiting.."); 510 exit(0); 511 } 512
