2 * Copyright © 2011 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Chris Wilson <chris@chris-wilson.co.uk>
28 /** @file gen3_linear_render_blits.c
30 * This is a test of doing many blits, with a working set
31 * larger than the aperture size.
33 * The goal is to simply ensure the basics work.
46 #include <sys/ioctl.h>
50 #include "intel_gpu_tools.h"
58 static inline uint32_t pack_float(float f)
68 static uint32_t fill_reloc(struct drm_i915_gem_relocation_entry *reloc,
72 uint32_t write_domain)
74 reloc->target_handle = handle;
76 reloc->offset = offset * sizeof(uint32_t);
77 reloc->presumed_offset = 0;
78 reloc->read_domains = read_domain;
79 reloc->write_domain = write_domain;
81 return reloc->presumed_offset + reloc->delta;
86 uint32_t dst, int dst_tiling,
87 uint32_t src, int src_tiling,
90 uint32_t batch[1024], *b = batch;
91 struct drm_i915_gem_relocation_entry reloc[2], *r = reloc;
92 struct drm_i915_gem_exec_object2 obj[3];
93 struct drm_i915_gem_execbuffer2 exec;
99 *b++ = (_3DSTATE_AA_CMD |
100 AA_LINE_ECAAR_WIDTH_ENABLE |
101 AA_LINE_ECAAR_WIDTH_1_0 |
102 AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0);
103 *b++ = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
105 IAB_MODIFY_FUNC | (BLENDFUNC_ADD << IAB_FUNC_SHIFT) |
106 IAB_MODIFY_SRC_FACTOR |
107 (BLENDFACT_ONE << IAB_SRC_FACTOR_SHIFT) |
108 IAB_MODIFY_DST_FACTOR |
109 (BLENDFACT_ZERO << IAB_DST_FACTOR_SHIFT));
110 *b++ = (_3DSTATE_DFLT_DIFFUSE_CMD);
112 *b++ = (_3DSTATE_DFLT_SPEC_CMD);
114 *b++ = (_3DSTATE_DFLT_Z_CMD);
116 *b++ = (_3DSTATE_COORD_SET_BINDINGS |
125 *b++ = (_3DSTATE_RASTER_RULES_CMD |
126 ENABLE_POINT_RASTER_RULE |
127 OGL_POINT_RASTER_RULE |
128 ENABLE_LINE_STRIP_PROVOKE_VRTX |
129 ENABLE_TRI_FAN_PROVOKE_VRTX |
130 LINE_STRIP_PROVOKE_VRTX(1) |
131 TRI_FAN_PROVOKE_VRTX(2) |
132 ENABLE_TEXKILL_3D_4D |
134 *b++ = (_3DSTATE_MODES_4_CMD |
135 ENABLE_LOGIC_OP_FUNC | LOGIC_OP_FUNC(LOGICOP_COPY) |
136 ENABLE_STENCIL_WRITE_MASK | STENCIL_WRITE_MASK(0xff) |
137 ENABLE_STENCIL_TEST_MASK | STENCIL_TEST_MASK(0xff));
138 *b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | I1_LOAD_S(4) | I1_LOAD_S(5) | 2);
139 *b++ = (0x00000000); /* Disable texture coordinate wrap-shortest */
140 *b++ = ((1 << S4_POINT_WIDTH_SHIFT) |
144 *b++ = (0x00000000); /* Stencil. */
145 *b++ = (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
146 *b++ = (_3DSTATE_SCISSOR_RECT_0_CMD);
149 *b++ = (_3DSTATE_DEPTH_SUBRECT_DISABLE);
150 *b++ = (_3DSTATE_LOAD_INDIRECT | 0); /* disable indirect state */
152 *b++ = (_3DSTATE_STIPPLE);
154 *b++ = (_3DSTATE_BACKFACE_STENCIL_OPS | BFO_ENABLE_STENCIL_TWO_SIDE | 0);
158 tiling_bits = MS3_USE_FENCE_REGS;
161 if (src_tiling != I915_TILING_NONE)
162 tiling_bits = MS3_TILED_SURFACE;
163 if (src_tiling == I915_TILING_Y)
164 tiling_bits |= MS3_TILE_WALK;
168 *b++ = (_3DSTATE_MAP_STATE | (3 * TEX_COUNT));
169 *b++ = ((1 << TEX_COUNT) - 1);
170 *b = fill_reloc(r++, b-batch, src, I915_GEM_DOMAIN_SAMPLER, 0); b++;
171 *b++ = (MAPSURF_32BIT | MT_32BIT_ARGB8888 | tiling_bits |
172 (HEIGHT - 1) << MS3_HEIGHT_SHIFT |
173 (WIDTH - 1) << MS3_WIDTH_SHIFT);
174 *b++ = ((WIDTH-1) << MS4_PITCH_SHIFT);
176 *b++ = (_3DSTATE_SAMPLER_STATE | (3 * TEX_COUNT));
177 *b++ = ((1 << TEX_COUNT) - 1);
178 *b++ = (MIPFILTER_NONE << SS2_MIP_FILTER_SHIFT |
179 FILTER_NEAREST << SS2_MAG_FILTER_SHIFT |
180 FILTER_NEAREST << SS2_MIN_FILTER_SHIFT);
181 *b++ = (TEXCOORDMODE_WRAP << SS3_TCX_ADDR_MODE_SHIFT |
182 TEXCOORDMODE_WRAP << SS3_TCY_ADDR_MODE_SHIFT |
183 0 << SS3_TEXTUREMAP_INDEX_SHIFT);
186 /* render target state */
188 tiling_bits = BUF_3D_USE_FENCE;
191 if (dst_tiling != I915_TILING_NONE)
192 tiling_bits = BUF_3D_TILED_SURFACE;
193 if (dst_tiling == I915_TILING_Y)
194 tiling_bits |= BUF_3D_TILE_WALK_Y;
196 *b++ = (_3DSTATE_BUF_INFO_CMD);
197 *b++ = (BUF_3D_ID_COLOR_BACK | tiling_bits | WIDTH*4);
198 *b = fill_reloc(r++, b-batch, dst,
199 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER);
202 *b++ = (_3DSTATE_DST_BUF_VARS_CMD);
203 *b++ = (COLR_BUF_ARGB8888 |
204 DSTORG_HORT_BIAS(0x8) |
205 DSTORG_VERT_BIAS(0x8));
207 /* draw rect is unconditional */
208 *b++ = (_3DSTATE_DRAW_RECT_CMD);
210 *b++ = (0x00000000); /* ymin, xmin */
211 *b++ = (DRAW_YMAX(HEIGHT - 1) |
212 DRAW_XMAX(WIDTH - 1));
213 /* yorig, xorig (relate to color buffer?) */
217 *b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(1) | I1_LOAD_S(2) | I1_LOAD_S(6) | 2);
218 *b++ = ((4 << S1_VERTEX_WIDTH_SHIFT) | (4 << S1_VERTEX_PITCH_SHIFT));
219 *b++ = (~S2_TEXCOORD_FMT(0, TEXCOORDFMT_NOT_PRESENT) |
220 S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D));
221 *b++ = (S6_CBUF_BLEND_ENABLE | S6_COLOR_WRITE_ENABLE |
222 BLENDFUNC_ADD << S6_CBUF_BLEND_FUNC_SHIFT |
223 BLENDFACT_ONE << S6_CBUF_SRC_BLEND_FACT_SHIFT |
224 BLENDFACT_ZERO << S6_CBUF_DST_BLEND_FACT_SHIFT);
227 *b++ = (_3DSTATE_PIXEL_SHADER_PROGRAM | (1 + 3*3 - 2));
230 REG_TYPE(FS_T0) << D0_TYPE_SHIFT |
231 REG_NR(FS_T0) << D0_NR_SHIFT |
232 ((REG_TYPE(FS_T0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0));
237 (REG_TYPE(FS_S0) << D0_TYPE_SHIFT) |
238 (REG_NR(FS_S0) << D0_NR_SHIFT) |
239 ((REG_TYPE(FS_S0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0));
242 /* texld(FS_OC, FS_S0, FS_T0 */
244 (REG_TYPE(FS_OC) << T0_DEST_TYPE_SHIFT) |
245 (REG_NR(FS_OC) << T0_DEST_NR_SHIFT) |
246 (REG_NR(FS_S0) << T0_SAMPLER_NR_SHIFT));
247 *b++ = ((REG_TYPE(FS_T0) << T1_ADDRESS_REG_TYPE_SHIFT) |
248 (REG_NR(FS_T0) << T1_ADDRESS_REG_NR_SHIFT));
251 *b++ = (PRIM3D_RECTLIST | (3*4 - 1));
252 *b++ = pack_float(WIDTH);
253 *b++ = pack_float(HEIGHT);
254 *b++ = pack_float(WIDTH);
255 *b++ = pack_float(HEIGHT);
257 *b++ = pack_float(0);
258 *b++ = pack_float(HEIGHT);
259 *b++ = pack_float(0);
260 *b++ = pack_float(HEIGHT);
262 *b++ = pack_float(0);
263 *b++ = pack_float(0);
264 *b++ = pack_float(0);
265 *b++ = pack_float(0);
267 *b++ = MI_BATCH_BUFFER_END;
271 assert(b - batch <= 1024);
272 handle = gem_create(fd, 4096);
273 gem_write(fd, handle, 0, batch, (b-batch)*sizeof(batch[0]));
275 assert(r-reloc == 2);
279 tiling_bits = EXEC_OBJECT_NEEDS_FENCE;
282 obj[0].relocation_count = 0;
283 obj[0].relocs_ptr = 0;
284 obj[0].alignment = 0;
286 obj[0].flags = tiling_bits;
291 obj[1].relocation_count = 0;
292 obj[1].relocs_ptr = 0;
293 obj[1].alignment = 0;
295 obj[1].flags = tiling_bits;
299 obj[2].handle = handle;
300 obj[2].relocation_count = 2;
301 obj[2].relocs_ptr = (uintptr_t)reloc;
302 obj[2].alignment = 0;
305 obj[2].rsvd1 = obj[2].rsvd2 = 0;
307 exec.buffers_ptr = (uintptr_t)obj;
308 exec.buffer_count = 3;
309 exec.batch_start_offset = 0;
310 exec.batch_len = (b-batch)*sizeof(batch[0]);
311 exec.DR1 = exec.DR4 = 0;
312 exec.num_cliprects = 0;
313 exec.cliprects_ptr = 0;
315 exec.rsvd1 = exec.rsvd2 = 0;
317 ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec);
318 while (ret && errno == EBUSY) {
319 drmCommandNone(fd, DRM_I915_GEM_THROTTLE);
320 ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec);
324 gem_close(fd, handle);
327 static void blt_copy(int fd, uint32_t dst, uint32_t src)
329 uint32_t batch[1024], *b = batch;
330 struct drm_i915_gem_relocation_entry reloc[2], *r = reloc;
331 struct drm_i915_gem_exec_object2 obj[3];
332 struct drm_i915_gem_execbuffer2 exec;
336 *b++ = (XY_SRC_COPY_BLT_CMD |
337 XY_SRC_COPY_BLT_WRITE_ALPHA |
338 XY_SRC_COPY_BLT_WRITE_RGB);
339 *b++ = 3 << 24 | 0xcc << 16 | WIDTH * 4;
341 *b++ = HEIGHT << 16 | WIDTH;
342 *b = fill_reloc(r++, b-batch, dst,
343 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER); b++;
346 *b = fill_reloc(r++, b-batch, src, I915_GEM_DOMAIN_RENDER, 0); b++;
348 *b++ = MI_BATCH_BUFFER_END;
352 assert(b - batch <= 1024);
353 handle = gem_create(fd, 4096);
354 gem_write(fd, handle, 0, batch, (b-batch)*sizeof(batch[0]));
356 assert(r-reloc == 2);
359 obj[0].relocation_count = 0;
360 obj[0].relocs_ptr = 0;
361 obj[0].alignment = 0;
363 obj[0].flags = EXEC_OBJECT_NEEDS_FENCE;
368 obj[1].relocation_count = 0;
369 obj[1].relocs_ptr = 0;
370 obj[1].alignment = 0;
372 obj[1].flags = EXEC_OBJECT_NEEDS_FENCE;
376 obj[2].handle = handle;
377 obj[2].relocation_count = 2;
378 obj[2].relocs_ptr = (uintptr_t)reloc;
379 obj[2].alignment = 0;
382 obj[2].rsvd1 = obj[2].rsvd2 = 0;
384 exec.buffers_ptr = (uintptr_t)obj;
385 exec.buffer_count = 3;
386 exec.batch_start_offset = 0;
387 exec.batch_len = (b-batch)*sizeof(batch[0]);
388 exec.DR1 = exec.DR4 = 0;
389 exec.num_cliprects = 0;
390 exec.cliprects_ptr = 0;
392 exec.rsvd1 = exec.rsvd2 = 0;
394 ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec);
395 while (ret && errno == EBUSY) {
396 drmCommandNone(fd, DRM_I915_GEM_THROTTLE);
397 ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec);
401 gem_close(fd, handle);
407 uint32_t dst, int dst_tiling,
408 uint32_t src, int src_tiling)
411 switch (random() % 3) {
412 case 0: render_copy(fd, dst, dst_tiling, src, src_tiling, 0); break;
413 case 1: render_copy(fd, dst, dst_tiling, src, src_tiling, 1); break;
414 case 2: if (dst_tiling == I915_TILING_Y || src_tiling == I915_TILING_Y)
416 blt_copy(fd, dst, src);
422 create_bo(int fd, uint32_t val, int tiling)
428 handle = gem_create(fd, WIDTH*HEIGHT*4);
429 gem_set_tiling(fd, handle, tiling, WIDTH*4);
431 /* Fill the BO with dwords starting at val */
432 v = gem_mmap(fd, handle, WIDTH*HEIGHT*4, PROT_READ | PROT_WRITE);
434 for (i = 0; i < WIDTH*HEIGHT; i++)
436 munmap(v, WIDTH*HEIGHT*4);
442 check_bo(int fd, uint32_t handle, uint32_t val)
447 v = gem_mmap(fd, handle, WIDTH*HEIGHT*4, PROT_READ);
449 for (i = 0; i < WIDTH*HEIGHT; i++) {
451 fprintf(stderr, "Expected 0x%08x, found 0x%08x "
452 "at offset 0x%08x\n",
458 munmap(v, WIDTH*HEIGHT*4);
461 int main(int argc, char **argv)
463 uint32_t *handle, *tiling, *start_val;
469 if (!IS_GEN3(intel_get_drm_devid(fd))) {
470 printf("gen3-only test, doing nothing\n");
476 count = atoi(argv[1]);
478 count = 3 * gem_aperture_size(fd) / (1024*1024) / 2;
479 printf("Using %d 1MiB buffers\n", count);
481 handle = malloc(sizeof(uint32_t)*count*3);
482 tiling = handle + count;
483 start_val = tiling + count;
485 for (i = 0; i < count; i++) {
486 handle[i] = create_bo(fd, start, tiling[i] = i % 3);
487 start_val[i] = start;
488 start += 1024 * 1024 / 4;
491 printf("Verifying initialisation..."); fflush(stdout);
492 for (i = 0; i < count; i++)
493 check_bo(fd, handle[i], start_val[i]);
496 printf("Cyclic blits, forward..."); fflush(stdout);
497 for (i = 0; i < count * 32; i++) {
499 int dst = (i + 1) % count;
501 copy(fd, handle[dst], tiling[dst], handle[src], tiling[src]);
502 start_val[dst] = start_val[src];
504 printf("verifying..."); fflush(stdout);
505 for (i = 0; i < count; i++)
506 check_bo(fd, handle[i], start_val[i]);
509 printf("Cyclic blits, backward..."); fflush(stdout);
510 for (i = 0; i < count * 32; i++) {
511 int src = (i + 1) % count;
514 copy(fd, handle[dst], tiling[dst], handle[src], tiling[src]);
515 start_val[dst] = start_val[src];
517 printf("verifying..."); fflush(stdout);
518 for (i = 0; i < count; i++)
519 check_bo(fd, handle[i], start_val[i]);
522 printf("Random blits..."); fflush(stdout);
523 for (i = 0; i < count * 32; i++) {
524 int src = random() % count;
525 int dst = random() % count;
528 dst = random() % count;
530 copy(fd, handle[dst], tiling[dst], handle[src], tiling[src]);
531 start_val[dst] = start_val[src];
533 printf("verifying..."); fflush(stdout);
534 for (i = 0; i < count; i++)
535 check_bo(fd, handle[i], start_val[i]);