From 20b69039e816ed44ef30048c81a76def7028f0ba Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Sun, 5 Jun 2011 11:20:34 +0100 Subject: test: Exercise gen3 render copies gem_stress is unhappy with tiled render copies on gen3. This is a simple little test to ensure that a set of pure copies with a working set larger than the aperture are handled correctly. Signed-off-by: Chris Wilson --- .gitignore | 3 + tests/Makefile.am | 3 + tests/gen3_render_linear_blits.c | 454 ++++++++++++++++++++++++++++++++++++ tests/gen3_render_tiledx_blits.c | 482 +++++++++++++++++++++++++++++++++++++++ tests/gen3_render_tiledy_blits.c | 482 +++++++++++++++++++++++++++++++++++++++ 5 files changed, 1424 insertions(+) create mode 100644 tests/gen3_render_linear_blits.c create mode 100644 tests/gen3_render_tiledx_blits.c create mode 100644 tests/gen3_render_tiledy_blits.c diff --git a/.gitignore b/.gitignore index b0d51a85..239dc0d8 100644 --- a/.gitignore +++ b/.gitignore @@ -56,6 +56,9 @@ tests/gem_bad_blit tests/gem_hang tests/gem_gtt_speed tests/gem_stress +tests/gen3_render_linear_blits +tests/gen3_render_tiledx_blits +tests/gen3_render_tiledy_blits tools/intel_disable_clock_gating tools/intel_dump_decode tools/intel_error_decode diff --git a/tests/Makefile.am b/tests/Makefile.am index ff3f1dbf..44a2d6ad 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -34,6 +34,9 @@ TESTS = getversion \ gem_fence_thrash \ gem_fenced_exec_thrash \ gem_gtt_speed \ + gen3_render_linear_blits \ + gen3_render_tiledx_blits \ + gen3_render_tiledy_blits \ $(NULL) HANG = \ diff --git a/tests/gen3_render_linear_blits.c b/tests/gen3_render_linear_blits.c new file mode 100644 index 00000000..2d5e26e4 --- /dev/null +++ b/tests/gen3_render_linear_blits.c @@ -0,0 +1,454 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Chris Wilson + * + */ + +/** @file gen3_linear_render_blits.c + * + * This is a test of doing many blits, with a working set + * larger than the aperture size. + * + * The goal is to simply ensure the basics work. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" +#include "intel_gpu_tools.h" + +#include "i915_reg.h" +#include "i915_3d.h" + +#define WIDTH 512 +#define HEIGHT 512 + +static uint32_t linear[WIDTH*HEIGHT]; + +static inline uint32_t pack_float(float f) +{ + union { + uint32_t dw; + float f; + } u; + u.f = f; + return u.dw; +} + +static uint32_t gem_create(int fd, int size) +{ + struct drm_i915_gem_create create; + + create.handle = 0; + create.size = size; + (void)drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create); + assert(create.handle); + + return create.handle; +} + +static void gem_close(int fd, uint32_t handle) +{ + struct drm_gem_close close; + int ret; + + close.handle = handle; + ret = drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close); + assert(ret == 0); +} + +static uint64_t +gem_aperture_size(int fd) +{ + struct drm_i915_gem_get_aperture aperture; + + aperture.aper_size = 512*1024*1024; + (void)drmIoctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture); + return aperture.aper_size; +} + +static void +gem_write(int fd, uint32_t handle, int offset, int size, const void *buf) +{ + struct drm_i915_gem_pwrite pwrite; + int ret; + + pwrite.handle = handle; + pwrite.offset = offset; + pwrite.size = size; + pwrite.data_ptr = (uintptr_t)buf; + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite); + assert(ret == 0); +} + +static void +gem_read(int fd, uint32_t handle, int offset, int size, void *buf) +{ + struct drm_i915_gem_pread pread; + int ret; + + pread.handle = handle; + pread.offset = offset; + pread.size = size; + pread.data_ptr = (uintptr_t)buf; + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_PREAD, &pread); + assert(ret == 0); +} + +static uint32_t fill_reloc(struct drm_i915_gem_relocation_entry *reloc, + uint32_t offset, + uint32_t handle, + uint32_t read_domain, + uint32_t write_domain) +{ + reloc->target_handle = handle; + reloc->delta = 0; + reloc->offset = offset * sizeof(uint32_t); + reloc->presumed_offset = 0; + reloc->read_domains = read_domain; + reloc->write_domain = write_domain; + + return reloc->presumed_offset + reloc->delta; +} + +static void +copy(int fd, uint32_t dst, uint32_t src) +{ + uint32_t batch[1024], *b = batch; + struct drm_i915_gem_relocation_entry reloc[2], *r = reloc; + struct drm_i915_gem_exec_object2 obj[3]; + struct drm_i915_gem_execbuffer2 exec; + uint32_t handle; + int ret; + + /* invariant state */ + *b++ = (_3DSTATE_AA_CMD | + AA_LINE_ECAAR_WIDTH_ENABLE | + AA_LINE_ECAAR_WIDTH_1_0 | + AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0); + *b++ = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD | + IAB_MODIFY_ENABLE | + IAB_MODIFY_FUNC | (BLENDFUNC_ADD << IAB_FUNC_SHIFT) | + IAB_MODIFY_SRC_FACTOR | (BLENDFACT_ONE << + IAB_SRC_FACTOR_SHIFT) | + IAB_MODIFY_DST_FACTOR | (BLENDFACT_ZERO << + IAB_DST_FACTOR_SHIFT)); + *b++ = (_3DSTATE_DFLT_DIFFUSE_CMD); + *b++ = (0); + *b++ = (_3DSTATE_DFLT_SPEC_CMD); + *b++ = (0); + *b++ = (_3DSTATE_DFLT_Z_CMD); + *b++ = (0); + *b++ = (_3DSTATE_COORD_SET_BINDINGS | + CSB_TCB(0, 0) | + CSB_TCB(1, 1) | + CSB_TCB(2, 2) | + CSB_TCB(3, 3) | + CSB_TCB(4, 4) | + CSB_TCB(5, 5) | CSB_TCB(6, 6) | CSB_TCB(7, 7)); + *b++ = (_3DSTATE_RASTER_RULES_CMD | + ENABLE_POINT_RASTER_RULE | + OGL_POINT_RASTER_RULE | + ENABLE_LINE_STRIP_PROVOKE_VRTX | + ENABLE_TRI_FAN_PROVOKE_VRTX | + LINE_STRIP_PROVOKE_VRTX(1) | + TRI_FAN_PROVOKE_VRTX(2) | ENABLE_TEXKILL_3D_4D | TEXKILL_4D); + *b++ = (_3DSTATE_MODES_4_CMD | + ENABLE_LOGIC_OP_FUNC | LOGIC_OP_FUNC(LOGICOP_COPY) | + ENABLE_STENCIL_WRITE_MASK | STENCIL_WRITE_MASK(0xff) | + ENABLE_STENCIL_TEST_MASK | STENCIL_TEST_MASK(0xff)); + *b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | I1_LOAD_S(4) | I1_LOAD_S(5) | 2); + *b++ = (0x00000000); /* Disable texture coordinate wrap-shortest */ + *b++ = ((1 << S4_POINT_WIDTH_SHIFT) | + S4_LINE_WIDTH_ONE | + S4_CULLMODE_NONE | + S4_VFMT_XY); + *b++ = (0x00000000); /* Stencil. */ + *b++ = (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT); + *b++ = (_3DSTATE_SCISSOR_RECT_0_CMD); + *b++ = (0); + *b++ = (0); + *b++ = (_3DSTATE_DEPTH_SUBRECT_DISABLE); + *b++ = (_3DSTATE_LOAD_INDIRECT | 0); /* disable indirect state */ + *b++ = (0); + *b++ = (_3DSTATE_STIPPLE); + *b++ = (0x00000000); + *b++ = (_3DSTATE_BACKFACE_STENCIL_OPS | BFO_ENABLE_STENCIL_TWO_SIDE | 0); + + /* samler state */ +#define TEX_COUNT 1 + *b++ = (_3DSTATE_MAP_STATE | (3 * TEX_COUNT)); + *b++ = ((1 << TEX_COUNT) - 1); + *b = fill_reloc(r++, b-batch, src, I915_GEM_DOMAIN_SAMPLER, 0); b++; + *b++ = (MAPSURF_32BIT | MT_32BIT_ARGB8888 | + (HEIGHT - 1) << MS3_HEIGHT_SHIFT | + (WIDTH - 1) << MS3_WIDTH_SHIFT); + *b++ = ((WIDTH-1) << MS4_PITCH_SHIFT); + + *b++ = (_3DSTATE_SAMPLER_STATE | (3 * TEX_COUNT)); + *b++ = ((1 << TEX_COUNT) - 1); + *b++ = (MIPFILTER_NONE << SS2_MIP_FILTER_SHIFT | + FILTER_NEAREST << SS2_MAG_FILTER_SHIFT | + FILTER_NEAREST << SS2_MIN_FILTER_SHIFT); + *b++ = (TEXCOORDMODE_WRAP << SS3_TCX_ADDR_MODE_SHIFT | + TEXCOORDMODE_WRAP << SS3_TCY_ADDR_MODE_SHIFT | + 0 << SS3_TEXTUREMAP_INDEX_SHIFT); + *b++ = (0x00000000); + + /* render target state */ + *b++ = (_3DSTATE_BUF_INFO_CMD); + *b++ = (BUF_3D_ID_COLOR_BACK | WIDTH*4); + *b = fill_reloc(r++, b-batch, dst, + I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER); + b++; + + *b++ = (_3DSTATE_DST_BUF_VARS_CMD); + *b++ = (COLR_BUF_ARGB8888 | + DSTORG_HORT_BIAS(0x8) | + DSTORG_VERT_BIAS(0x8)); + + /* draw rect is unconditional */ + *b++ = (_3DSTATE_DRAW_RECT_CMD); + *b++ = (0x00000000); + *b++ = (0x00000000); /* ymin, xmin */ + *b++ = (DRAW_YMAX(HEIGHT - 1) | + DRAW_XMAX(WIDTH - 1)); + /* yorig, xorig (relate to color buffer?) */ + *b++ = (0x00000000); + + /* texfmt */ + *b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(1) | I1_LOAD_S(2) | I1_LOAD_S(6) | 2); + *b++ = ((4 << S1_VERTEX_WIDTH_SHIFT) | (4 << S1_VERTEX_PITCH_SHIFT)); + *b++ = (~S2_TEXCOORD_FMT(0, TEXCOORDFMT_NOT_PRESENT) | + S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D)); + *b++ = (S6_CBUF_BLEND_ENABLE | S6_COLOR_WRITE_ENABLE | + BLENDFUNC_ADD << S6_CBUF_BLEND_FUNC_SHIFT | + BLENDFACT_ONE << S6_CBUF_SRC_BLEND_FACT_SHIFT | + BLENDFACT_ZERO << S6_CBUF_DST_BLEND_FACT_SHIFT); + + /* pixel shader */ + *b++ = (_3DSTATE_PIXEL_SHADER_PROGRAM | (1 + 3*3 - 2)); + /* decl FS_T0 */ + *b++ = (D0_DCL | + REG_TYPE(FS_T0) << D0_TYPE_SHIFT | + REG_NR(FS_T0) << D0_NR_SHIFT | + ((REG_TYPE(FS_T0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0)); + *b++ = (0); + *b++ = (0); + /* decl FS_S0 */ + *b++ = (D0_DCL | + (REG_TYPE(FS_S0) << D0_TYPE_SHIFT) | + (REG_NR(FS_S0) << D0_NR_SHIFT) | + ((REG_TYPE(FS_S0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0)); + *b++ = (0); + *b++ = (0); + /* texld(FS_OC, FS_S0, FS_T0 */ + *b++ = (T0_TEXLD | + (REG_TYPE(FS_OC) << T0_DEST_TYPE_SHIFT) | + (REG_NR(FS_OC) << T0_DEST_NR_SHIFT) | + (REG_NR(FS_S0) << T0_SAMPLER_NR_SHIFT)); + *b++ = ((REG_TYPE(FS_T0) << T1_ADDRESS_REG_TYPE_SHIFT) | + (REG_NR(FS_T0) << T1_ADDRESS_REG_NR_SHIFT)); + *b++ = (0); + + *b++ = (PRIM3D_RECTLIST | (3*4 - 1)); + *b++ = pack_float(WIDTH); + *b++ = pack_float(HEIGHT); + *b++ = pack_float(WIDTH); + *b++ = pack_float(HEIGHT); + + *b++ = pack_float(0); + *b++ = pack_float(HEIGHT); + *b++ = pack_float(0); + *b++ = pack_float(HEIGHT); + + *b++ = pack_float(0); + *b++ = pack_float(0); + *b++ = pack_float(0); + *b++ = pack_float(0); + + *b++ = MI_BATCH_BUFFER_END; + if ((b - batch) & 1) + *b++ = 0; + + assert(b - batch <= 1024); + handle = gem_create(fd, 4096); + gem_write(fd, handle, 0, (b-batch)*sizeof(batch[0]), batch); + + assert(r-reloc == 2); + + obj[0].handle = dst; + obj[0].relocation_count = 0; + obj[0].relocs_ptr = 0; + obj[0].alignment = 0; + obj[0].offset = 0; + obj[0].flags = 0; + obj[0].rsvd1 = 0; + obj[0].rsvd2 = 0; + + obj[1].handle = src; + obj[1].relocation_count = 0; + obj[1].relocs_ptr = 0; + obj[1].alignment = 0; + obj[1].offset = 0; + obj[1].flags = 0; + obj[1].rsvd1 = 0; + obj[1].rsvd2 = 0; + + obj[2].handle = handle; + obj[2].relocation_count = 2; + obj[2].relocs_ptr = (uintptr_t)reloc; + obj[2].alignment = 0; + obj[2].offset = 0; + obj[2].flags = 0; + obj[2].rsvd1 = obj[2].rsvd2 = 0; + + exec.buffers_ptr = (uintptr_t)obj; + exec.buffer_count = 3; + exec.batch_start_offset = 0; + exec.batch_len = (b-batch)*sizeof(batch[0]); + exec.DR1 = exec.DR4 = 0; + exec.num_cliprects = 0; + exec.cliprects_ptr = 0; + exec.flags = 0; + exec.rsvd1 = exec.rsvd2 = 0; + + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec); + while (ret && errno == EBUSY) { + drmCommandNone(fd, DRM_I915_GEM_THROTTLE); + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec); + } + assert(ret == 0); + + gem_close(fd, handle); +} + +static uint32_t +create_bo(int fd, uint32_t val) +{ + uint32_t handle; + int i; + + handle = gem_create(fd, sizeof(linear)); + + /* Fill the BO with dwords starting at val */ + for (i = 0; i < WIDTH*HEIGHT; i++) + linear[i] = val++; + gem_write(fd, handle, 0, sizeof(linear), linear); + + return handle; +} + +static void +check_bo(int fd, uint32_t handle, uint32_t val) +{ + int i; + + gem_read(fd, handle, 0, sizeof(linear), linear); + for (i = 0; i < WIDTH*HEIGHT; i++) { + if (linear[i] != val) { + fprintf(stderr, "Expected 0x%08x, found 0x%08x " + "at offset 0x%08x\n", + val, linear[i], i * 4); + abort(); + } + val++; + } +} + +int main(int argc, char **argv) +{ + uint32_t *handle, *start_val; + uint32_t start = 0; + int i, fd, count; + + fd = drm_open_any(); + + count = 0; + if (argc > 1) + count = atoi(argv[1]); + if (count == 0) + count = 3 * gem_aperture_size(fd) / (1024*1024) / 2; + printf("Using %d 1MiB buffers\n", count); + + handle = malloc(sizeof(uint32_t)*count*2); + start_val = handle + count; + + for (i = 0; i < count; i++) { + handle[i] = create_bo(fd, start); + start_val[i] = start; + start += 1024 * 1024 / 4; + } + + printf("Verifying initialisation...\n"); + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + printf("Cyclic blits, forward...\n"); + for (i = 0; i < count * 4; i++) { + int src = i % count; + int dst = (i + 1) % count; + + copy(fd, handle[dst], handle[src]); + start_val[dst] = start_val[src]; + } + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + printf("Cyclic blits, backward...\n"); + for (i = 0; i < count * 4; i++) { + int src = (i + 1) % count; + int dst = i % count; + + copy(fd, handle[dst], handle[src]); + start_val[dst] = start_val[src]; + } + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + printf("Random blits...\n"); + for (i = 0; i < count * 4; i++) { + int src = random() % count; + int dst = random() % count; + + if (src == dst) + continue; + + copy(fd, handle[dst], handle[src]); + start_val[dst] = start_val[src]; + } + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + return 0; +} diff --git a/tests/gen3_render_tiledx_blits.c b/tests/gen3_render_tiledx_blits.c new file mode 100644 index 00000000..cd193241 --- /dev/null +++ b/tests/gen3_render_tiledx_blits.c @@ -0,0 +1,482 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Chris Wilson + * + */ + +/** @file gen3_linear_render_blits.c + * + * This is a test of doing many blits, with a working set + * larger than the aperture size. + * + * The goal is to simply ensure the basics work. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" +#include "intel_gpu_tools.h" + +#include "i915_reg.h" +#include "i915_3d.h" + +#define WIDTH 512 +#define HEIGHT 512 + +static inline uint32_t pack_float(float f) +{ + union { + uint32_t dw; + float f; + } u; + u.f = f; + return u.dw; +} + +static uint32_t gem_create(int fd, int size) +{ + struct drm_i915_gem_create create; + + create.handle = 0; + create.size = size; + (void)drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create); + assert(create.handle); + + return create.handle; +} + +static void gem_close(int fd, uint32_t handle) +{ + struct drm_gem_close close; + int ret; + + close.handle = handle; + ret = drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close); + assert(ret == 0); +} + +static uint64_t +gem_aperture_size(int fd) +{ + struct drm_i915_gem_get_aperture aperture; + + aperture.aper_size = 512*1024*1024; + (void)drmIoctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture); + return aperture.aper_size; +} + +static void +gem_write(int fd, uint32_t handle, int offset, int size, const void *buf) +{ + struct drm_i915_gem_pwrite pwrite; + int ret; + + pwrite.handle = handle; + pwrite.offset = offset; + pwrite.size = size; + pwrite.data_ptr = (uintptr_t)buf; + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite); + assert(ret == 0); +} + +static uint32_t fill_reloc(struct drm_i915_gem_relocation_entry *reloc, + uint32_t offset, + uint32_t handle, + uint32_t read_domain, + uint32_t write_domain) +{ + reloc->target_handle = handle; + reloc->delta = 0; + reloc->offset = offset * sizeof(uint32_t); + reloc->presumed_offset = 0; + reloc->read_domains = read_domain; + reloc->write_domain = write_domain; + + return reloc->presumed_offset + reloc->delta; +} + +static void +copy(int fd, uint32_t dst, uint32_t src) +{ + uint32_t batch[1024], *b = batch; + struct drm_i915_gem_relocation_entry reloc[2], *r = reloc; + struct drm_i915_gem_exec_object2 obj[3]; + struct drm_i915_gem_execbuffer2 exec; + uint32_t handle; + int ret; + + /* invariant state */ + *b++ = (_3DSTATE_AA_CMD | + AA_LINE_ECAAR_WIDTH_ENABLE | + AA_LINE_ECAAR_WIDTH_1_0 | + AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0); + *b++ = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD | + IAB_MODIFY_ENABLE | + IAB_MODIFY_FUNC | (BLENDFUNC_ADD << IAB_FUNC_SHIFT) | + IAB_MODIFY_SRC_FACTOR | (BLENDFACT_ONE << + IAB_SRC_FACTOR_SHIFT) | + IAB_MODIFY_DST_FACTOR | (BLENDFACT_ZERO << + IAB_DST_FACTOR_SHIFT)); + *b++ = (_3DSTATE_DFLT_DIFFUSE_CMD); + *b++ = (0); + *b++ = (_3DSTATE_DFLT_SPEC_CMD); + *b++ = (0); + *b++ = (_3DSTATE_DFLT_Z_CMD); + *b++ = (0); + *b++ = (_3DSTATE_COORD_SET_BINDINGS | + CSB_TCB(0, 0) | + CSB_TCB(1, 1) | + CSB_TCB(2, 2) | + CSB_TCB(3, 3) | + CSB_TCB(4, 4) | + CSB_TCB(5, 5) | CSB_TCB(6, 6) | CSB_TCB(7, 7)); + *b++ = (_3DSTATE_RASTER_RULES_CMD | + ENABLE_POINT_RASTER_RULE | + OGL_POINT_RASTER_RULE | + ENABLE_LINE_STRIP_PROVOKE_VRTX | + ENABLE_TRI_FAN_PROVOKE_VRTX | + LINE_STRIP_PROVOKE_VRTX(1) | + TRI_FAN_PROVOKE_VRTX(2) | ENABLE_TEXKILL_3D_4D | TEXKILL_4D); + *b++ = (_3DSTATE_MODES_4_CMD | + ENABLE_LOGIC_OP_FUNC | LOGIC_OP_FUNC(LOGICOP_COPY) | + ENABLE_STENCIL_WRITE_MASK | STENCIL_WRITE_MASK(0xff) | + ENABLE_STENCIL_TEST_MASK | STENCIL_TEST_MASK(0xff)); + *b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | I1_LOAD_S(4) | I1_LOAD_S(5) | 2); + *b++ = (0x00000000); /* Disable texture coordinate wrap-shortest */ + *b++ = ((1 << S4_POINT_WIDTH_SHIFT) | + S4_LINE_WIDTH_ONE | + S4_CULLMODE_NONE | + S4_VFMT_XY); + *b++ = (0x00000000); /* Stencil. */ + *b++ = (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT); + *b++ = (_3DSTATE_SCISSOR_RECT_0_CMD); + *b++ = (0); + *b++ = (0); + *b++ = (_3DSTATE_DEPTH_SUBRECT_DISABLE); + *b++ = (_3DSTATE_LOAD_INDIRECT | 0); /* disable indirect state */ + *b++ = (0); + *b++ = (_3DSTATE_STIPPLE); + *b++ = (0x00000000); + *b++ = (_3DSTATE_BACKFACE_STENCIL_OPS | BFO_ENABLE_STENCIL_TWO_SIDE | 0); + + /* samler state */ +#define TEX_COUNT 1 + *b++ = (_3DSTATE_MAP_STATE | (3 * TEX_COUNT)); + *b++ = ((1 << TEX_COUNT) - 1); + *b = fill_reloc(r++, b-batch, src, I915_GEM_DOMAIN_SAMPLER, 0); b++; + *b++ = (MAPSURF_32BIT | MT_32BIT_ARGB8888 | + MS3_TILED_SURFACE | + (HEIGHT - 1) << MS3_HEIGHT_SHIFT | + (WIDTH - 1) << MS3_WIDTH_SHIFT); + *b++ = ((WIDTH-1) << MS4_PITCH_SHIFT); + + *b++ = (_3DSTATE_SAMPLER_STATE | (3 * TEX_COUNT)); + *b++ = ((1 << TEX_COUNT) - 1); + *b++ = (MIPFILTER_NONE << SS2_MIP_FILTER_SHIFT | + FILTER_NEAREST << SS2_MAG_FILTER_SHIFT | + FILTER_NEAREST << SS2_MIN_FILTER_SHIFT); + *b++ = (TEXCOORDMODE_WRAP << SS3_TCX_ADDR_MODE_SHIFT | + TEXCOORDMODE_WRAP << SS3_TCY_ADDR_MODE_SHIFT | + 0 << SS3_TEXTUREMAP_INDEX_SHIFT); + *b++ = (0x00000000); + + /* render target state */ + *b++ = (_3DSTATE_BUF_INFO_CMD); + *b++ = (BUF_3D_ID_COLOR_BACK | BUF_3D_TILED_SURFACE | WIDTH*4); + *b = fill_reloc(r++, b-batch, dst, + I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER); + b++; + + *b++ = (_3DSTATE_DST_BUF_VARS_CMD); + *b++ = (COLR_BUF_ARGB8888 | + DSTORG_HORT_BIAS(0x8) | + DSTORG_VERT_BIAS(0x8)); + + /* draw rect is unconditional */ + *b++ = (_3DSTATE_DRAW_RECT_CMD); + *b++ = (0x00000000); + *b++ = (0x00000000); /* ymin, xmin */ + *b++ = (DRAW_YMAX(HEIGHT - 1) | + DRAW_XMAX(WIDTH - 1)); + /* yorig, xorig (relate to color buffer?) */ + *b++ = (0x00000000); + + /* texfmt */ + *b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(1) | I1_LOAD_S(2) | I1_LOAD_S(6) | 2); + *b++ = ((4 << S1_VERTEX_WIDTH_SHIFT) | (4 << S1_VERTEX_PITCH_SHIFT)); + *b++ = (~S2_TEXCOORD_FMT(0, TEXCOORDFMT_NOT_PRESENT) | + S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D)); + *b++ = (S6_CBUF_BLEND_ENABLE | S6_COLOR_WRITE_ENABLE | + BLENDFUNC_ADD << S6_CBUF_BLEND_FUNC_SHIFT | + BLENDFACT_ONE << S6_CBUF_SRC_BLEND_FACT_SHIFT | + BLENDFACT_ZERO << S6_CBUF_DST_BLEND_FACT_SHIFT); + + /* pixel shader */ + *b++ = (_3DSTATE_PIXEL_SHADER_PROGRAM | (1 + 3*3 - 2)); + /* decl FS_T0 */ + *b++ = (D0_DCL | + REG_TYPE(FS_T0) << D0_TYPE_SHIFT | + REG_NR(FS_T0) << D0_NR_SHIFT | + ((REG_TYPE(FS_T0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0)); + *b++ = (0); + *b++ = (0); + /* decl FS_S0 */ + *b++ = (D0_DCL | + (REG_TYPE(FS_S0) << D0_TYPE_SHIFT) | + (REG_NR(FS_S0) << D0_NR_SHIFT) | + ((REG_TYPE(FS_S0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0)); + *b++ = (0); + *b++ = (0); + /* texld(FS_OC, FS_S0, FS_T0 */ + *b++ = (T0_TEXLD | + (REG_TYPE(FS_OC) << T0_DEST_TYPE_SHIFT) | + (REG_NR(FS_OC) << T0_DEST_NR_SHIFT) | + (REG_NR(FS_S0) << T0_SAMPLER_NR_SHIFT)); + *b++ = ((REG_TYPE(FS_T0) << T1_ADDRESS_REG_TYPE_SHIFT) | + (REG_NR(FS_T0) << T1_ADDRESS_REG_NR_SHIFT)); + *b++ = (0); + + *b++ = (PRIM3D_RECTLIST | (3*4 - 1)); + *b++ = pack_float(WIDTH); + *b++ = pack_float(HEIGHT); + *b++ = pack_float(WIDTH); + *b++ = pack_float(HEIGHT); + + *b++ = pack_float(0); + *b++ = pack_float(HEIGHT); + *b++ = pack_float(0); + *b++ = pack_float(HEIGHT); + + *b++ = pack_float(0); + *b++ = pack_float(0); + *b++ = pack_float(0); + *b++ = pack_float(0); + + *b++ = MI_BATCH_BUFFER_END; + if ((b - batch) & 1) + *b++ = 0; + + assert(b - batch <= 1024); + handle = gem_create(fd, 4096); + gem_write(fd, handle, 0, (b-batch)*sizeof(batch[0]), batch); + + assert(r-reloc == 2); + + obj[0].handle = dst; + obj[0].relocation_count = 0; + obj[0].relocs_ptr = 0; + obj[0].alignment = 0; + obj[0].offset = 0; + obj[0].flags = 0; + obj[0].rsvd1 = 0; + obj[0].rsvd2 = 0; + + obj[1].handle = src; + obj[1].relocation_count = 0; + obj[1].relocs_ptr = 0; + obj[1].alignment = 0; + obj[1].offset = 0; + obj[1].flags = 0; + obj[1].rsvd1 = 0; + obj[1].rsvd2 = 0; + + obj[2].handle = handle; + obj[2].relocation_count = 2; + obj[2].relocs_ptr = (uintptr_t)reloc; + obj[2].alignment = 0; + obj[2].offset = 0; + obj[2].flags = 0; + obj[2].rsvd1 = obj[2].rsvd2 = 0; + + exec.buffers_ptr = (uintptr_t)obj; + exec.buffer_count = 3; + exec.batch_start_offset = 0; + exec.batch_len = (b-batch)*sizeof(batch[0]); + exec.DR1 = exec.DR4 = 0; + exec.num_cliprects = 0; + exec.cliprects_ptr = 0; + exec.flags = 0; + exec.rsvd1 = exec.rsvd2 = 0; + + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec); + while (ret && errno == EBUSY) { + drmCommandNone(fd, DRM_I915_GEM_THROTTLE); + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec); + } + assert(ret == 0); + + gem_close(fd, handle); +} + +static void *gem_mmap(int fd, uint32_t handle, int size, int prot) +{ + struct drm_i915_gem_mmap_gtt mmap_arg; + void *ptr; + + mmap_arg.handle = handle; + if (drmIoctl(fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &mmap_arg)) { + assert(0); + return NULL; + } + + ptr = mmap(0, size, prot, MAP_SHARED, fd, mmap_arg.offset); + if (ptr == MAP_FAILED) { + assert(0); + ptr = NULL; + } + + return ptr; +} + +static void gem_set_tiling(int fd, uint32_t handle, int tiling, int stride) +{ + struct drm_i915_gem_set_tiling set_tiling; + int ret; + + do { + set_tiling.handle = handle; + set_tiling.tiling_mode = tiling; + set_tiling.stride = stride; + + ret = ioctl(fd, DRM_IOCTL_I915_GEM_SET_TILING, &set_tiling); + } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); + assert(ret == 0); + assert(set_tiling.tiling_mode == tiling); +} + +static uint32_t +create_bo(int fd, uint32_t val) +{ + uint32_t handle; + uint32_t *v; + int i; + + handle = gem_create(fd, WIDTH*HEIGHT*4); + gem_set_tiling(fd, handle, I915_TILING_X, WIDTH*4); + + /* Fill the BO with dwords starting at val */ + v = gem_mmap(fd, handle, WIDTH*HEIGHT*4, PROT_READ | PROT_WRITE); + for (i = 0; i < WIDTH*HEIGHT; i++) + v[i] = val++; + munmap(v, WIDTH*HEIGHT*4); + + return handle; +} + +static void +check_bo(int fd, uint32_t handle, uint32_t val) +{ + uint32_t *v; + int i; + + v = gem_mmap(fd, handle, WIDTH*HEIGHT*4, PROT_READ); + for (i = 0; i < WIDTH*HEIGHT; i++) { + if (v[i] != val) { + fprintf(stderr, "Expected 0x%08x, found 0x%08x " + "at offset 0x%08x\n", + val, v[i], i * 4); + abort(); + } + val++; + } + munmap(v, WIDTH*HEIGHT*4); +} + +int main(int argc, char **argv) +{ + uint32_t *handle, *start_val; + uint32_t start = 0; + int i, fd, count; + + fd = drm_open_any(); + + count = 0; + if (argc > 1) + count = atoi(argv[1]); + if (count == 0) + count = 3 * gem_aperture_size(fd) / (1024*1024) / 2; + printf("Using %d 1MiB buffers\n", count); + + handle = malloc(sizeof(uint32_t)*count*2); + start_val = handle + count; + + for (i = 0; i < count; i++) { + handle[i] = create_bo(fd, start); + start_val[i] = start; + start += 1024 * 1024 / 4; + } + + printf("Verifying initialisation...\n"); + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + printf("Cyclic blits, forward...\n"); + for (i = 0; i < count * 4; i++) { + int src = i % count; + int dst = (i + 1) % count; + + copy(fd, handle[dst], handle[src]); + start_val[dst] = start_val[src]; + } + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + printf("Cyclic blits, backward...\n"); + for (i = 0; i < count * 4; i++) { + int src = (i + 1) % count; + int dst = i % count; + + copy(fd, handle[dst], handle[src]); + start_val[dst] = start_val[src]; + } + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + printf("Random blits...\n"); + for (i = 0; i < count * 4; i++) { + int src = random() % count; + int dst = random() % count; + + if (src == dst) + continue; + + copy(fd, handle[dst], handle[src]); + start_val[dst] = start_val[src]; + } + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + return 0; +} diff --git a/tests/gen3_render_tiledy_blits.c b/tests/gen3_render_tiledy_blits.c new file mode 100644 index 00000000..8c6597ea --- /dev/null +++ b/tests/gen3_render_tiledy_blits.c @@ -0,0 +1,482 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Chris Wilson + * + */ + +/** @file gen3_linear_render_blits.c + * + * This is a test of doing many blits, with a working set + * larger than the aperture size. + * + * The goal is to simply ensure the basics work. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" +#include "intel_gpu_tools.h" + +#include "i915_reg.h" +#include "i915_3d.h" + +#define WIDTH 512 +#define HEIGHT 512 + +static inline uint32_t pack_float(float f) +{ + union { + uint32_t dw; + float f; + } u; + u.f = f; + return u.dw; +} + +static uint32_t gem_create(int fd, int size) +{ + struct drm_i915_gem_create create; + + create.handle = 0; + create.size = size; + (void)drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create); + assert(create.handle); + + return create.handle; +} + +static void gem_close(int fd, uint32_t handle) +{ + struct drm_gem_close close; + int ret; + + close.handle = handle; + ret = drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close); + assert(ret == 0); +} + +static uint64_t +gem_aperture_size(int fd) +{ + struct drm_i915_gem_get_aperture aperture; + + aperture.aper_size = 512*1024*1024; + (void)drmIoctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture); + return aperture.aper_size; +} + +static void +gem_write(int fd, uint32_t handle, int offset, int size, const void *buf) +{ + struct drm_i915_gem_pwrite pwrite; + int ret; + + pwrite.handle = handle; + pwrite.offset = offset; + pwrite.size = size; + pwrite.data_ptr = (uintptr_t)buf; + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite); + assert(ret == 0); +} + +static uint32_t fill_reloc(struct drm_i915_gem_relocation_entry *reloc, + uint32_t offset, + uint32_t handle, + uint32_t read_domain, + uint32_t write_domain) +{ + reloc->target_handle = handle; + reloc->delta = 0; + reloc->offset = offset * sizeof(uint32_t); + reloc->presumed_offset = 0; + reloc->read_domains = read_domain; + reloc->write_domain = write_domain; + + return reloc->presumed_offset + reloc->delta; +} + +static void +copy(int fd, uint32_t dst, uint32_t src) +{ + uint32_t batch[1024], *b = batch; + struct drm_i915_gem_relocation_entry reloc[2], *r = reloc; + struct drm_i915_gem_exec_object2 obj[3]; + struct drm_i915_gem_execbuffer2 exec; + uint32_t handle; + int ret; + + /* invariant state */ + *b++ = (_3DSTATE_AA_CMD | + AA_LINE_ECAAR_WIDTH_ENABLE | + AA_LINE_ECAAR_WIDTH_1_0 | + AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0); + *b++ = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD | + IAB_MODIFY_ENABLE | + IAB_MODIFY_FUNC | (BLENDFUNC_ADD << IAB_FUNC_SHIFT) | + IAB_MODIFY_SRC_FACTOR | (BLENDFACT_ONE << + IAB_SRC_FACTOR_SHIFT) | + IAB_MODIFY_DST_FACTOR | (BLENDFACT_ZERO << + IAB_DST_FACTOR_SHIFT)); + *b++ = (_3DSTATE_DFLT_DIFFUSE_CMD); + *b++ = (0); + *b++ = (_3DSTATE_DFLT_SPEC_CMD); + *b++ = (0); + *b++ = (_3DSTATE_DFLT_Z_CMD); + *b++ = (0); + *b++ = (_3DSTATE_COORD_SET_BINDINGS | + CSB_TCB(0, 0) | + CSB_TCB(1, 1) | + CSB_TCB(2, 2) | + CSB_TCB(3, 3) | + CSB_TCB(4, 4) | + CSB_TCB(5, 5) | CSB_TCB(6, 6) | CSB_TCB(7, 7)); + *b++ = (_3DSTATE_RASTER_RULES_CMD | + ENABLE_POINT_RASTER_RULE | + OGL_POINT_RASTER_RULE | + ENABLE_LINE_STRIP_PROVOKE_VRTX | + ENABLE_TRI_FAN_PROVOKE_VRTX | + LINE_STRIP_PROVOKE_VRTX(1) | + TRI_FAN_PROVOKE_VRTX(2) | ENABLE_TEXKILL_3D_4D | TEXKILL_4D); + *b++ = (_3DSTATE_MODES_4_CMD | + ENABLE_LOGIC_OP_FUNC | LOGIC_OP_FUNC(LOGICOP_COPY) | + ENABLE_STENCIL_WRITE_MASK | STENCIL_WRITE_MASK(0xff) | + ENABLE_STENCIL_TEST_MASK | STENCIL_TEST_MASK(0xff)); + *b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | I1_LOAD_S(4) | I1_LOAD_S(5) | 2); + *b++ = (0x00000000); /* Disable texture coordinate wrap-shortest */ + *b++ = ((1 << S4_POINT_WIDTH_SHIFT) | + S4_LINE_WIDTH_ONE | + S4_CULLMODE_NONE | + S4_VFMT_XY); + *b++ = (0x00000000); /* Stencil. */ + *b++ = (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT); + *b++ = (_3DSTATE_SCISSOR_RECT_0_CMD); + *b++ = (0); + *b++ = (0); + *b++ = (_3DSTATE_DEPTH_SUBRECT_DISABLE); + *b++ = (_3DSTATE_LOAD_INDIRECT | 0); /* disable indirect state */ + *b++ = (0); + *b++ = (_3DSTATE_STIPPLE); + *b++ = (0x00000000); + *b++ = (_3DSTATE_BACKFACE_STENCIL_OPS | BFO_ENABLE_STENCIL_TWO_SIDE | 0); + + /* samler state */ +#define TEX_COUNT 1 + *b++ = (_3DSTATE_MAP_STATE | (3 * TEX_COUNT)); + *b++ = ((1 << TEX_COUNT) - 1); + *b = fill_reloc(r++, b-batch, src, I915_GEM_DOMAIN_SAMPLER, 0); b++; + *b++ = (MAPSURF_32BIT | MT_32BIT_ARGB8888 | + MS3_TILED_SURFACE | MS3_TILE_WALK | + (HEIGHT - 1) << MS3_HEIGHT_SHIFT | + (WIDTH - 1) << MS3_WIDTH_SHIFT); + *b++ = ((WIDTH-1) << MS4_PITCH_SHIFT); + + *b++ = (_3DSTATE_SAMPLER_STATE | (3 * TEX_COUNT)); + *b++ = ((1 << TEX_COUNT) - 1); + *b++ = (MIPFILTER_NONE << SS2_MIP_FILTER_SHIFT | + FILTER_NEAREST << SS2_MAG_FILTER_SHIFT | + FILTER_NEAREST << SS2_MIN_FILTER_SHIFT); + *b++ = (TEXCOORDMODE_WRAP << SS3_TCX_ADDR_MODE_SHIFT | + TEXCOORDMODE_WRAP << SS3_TCY_ADDR_MODE_SHIFT | + 0 << SS3_TEXTUREMAP_INDEX_SHIFT); + *b++ = (0x00000000); + + /* render target state */ + *b++ = (_3DSTATE_BUF_INFO_CMD); + *b++ = (BUF_3D_ID_COLOR_BACK | BUF_3D_TILED_SURFACE | BUF_3D_TILE_WALK_Y | WIDTH*4); + *b = fill_reloc(r++, b-batch, dst, + I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER); + b++; + + *b++ = (_3DSTATE_DST_BUF_VARS_CMD); + *b++ = (COLR_BUF_ARGB8888 | + DSTORG_HORT_BIAS(0x8) | + DSTORG_VERT_BIAS(0x8)); + + /* draw rect is unconditional */ + *b++ = (_3DSTATE_DRAW_RECT_CMD); + *b++ = (0x00000000); + *b++ = (0x00000000); /* ymin, xmin */ + *b++ = (DRAW_YMAX(HEIGHT - 1) | + DRAW_XMAX(WIDTH - 1)); + /* yorig, xorig (relate to color buffer?) */ + *b++ = (0x00000000); + + /* texfmt */ + *b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(1) | I1_LOAD_S(2) | I1_LOAD_S(6) | 2); + *b++ = ((4 << S1_VERTEX_WIDTH_SHIFT) | (4 << S1_VERTEX_PITCH_SHIFT)); + *b++ = (~S2_TEXCOORD_FMT(0, TEXCOORDFMT_NOT_PRESENT) | + S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D)); + *b++ = (S6_CBUF_BLEND_ENABLE | S6_COLOR_WRITE_ENABLE | + BLENDFUNC_ADD << S6_CBUF_BLEND_FUNC_SHIFT | + BLENDFACT_ONE << S6_CBUF_SRC_BLEND_FACT_SHIFT | + BLENDFACT_ZERO << S6_CBUF_DST_BLEND_FACT_SHIFT); + + /* pixel shader */ + *b++ = (_3DSTATE_PIXEL_SHADER_PROGRAM | (1 + 3*3 - 2)); + /* decl FS_T0 */ + *b++ = (D0_DCL | + REG_TYPE(FS_T0) << D0_TYPE_SHIFT | + REG_NR(FS_T0) << D0_NR_SHIFT | + ((REG_TYPE(FS_T0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0)); + *b++ = (0); + *b++ = (0); + /* decl FS_S0 */ + *b++ = (D0_DCL | + (REG_TYPE(FS_S0) << D0_TYPE_SHIFT) | + (REG_NR(FS_S0) << D0_NR_SHIFT) | + ((REG_TYPE(FS_S0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0)); + *b++ = (0); + *b++ = (0); + /* texld(FS_OC, FS_S0, FS_T0 */ + *b++ = (T0_TEXLD | + (REG_TYPE(FS_OC) << T0_DEST_TYPE_SHIFT) | + (REG_NR(FS_OC) << T0_DEST_NR_SHIFT) | + (REG_NR(FS_S0) << T0_SAMPLER_NR_SHIFT)); + *b++ = ((REG_TYPE(FS_T0) << T1_ADDRESS_REG_TYPE_SHIFT) | + (REG_NR(FS_T0) << T1_ADDRESS_REG_NR_SHIFT)); + *b++ = (0); + + *b++ = (PRIM3D_RECTLIST | (3*4 - 1)); + *b++ = pack_float(WIDTH); + *b++ = pack_float(HEIGHT); + *b++ = pack_float(WIDTH); + *b++ = pack_float(HEIGHT); + + *b++ = pack_float(0); + *b++ = pack_float(HEIGHT); + *b++ = pack_float(0); + *b++ = pack_float(HEIGHT); + + *b++ = pack_float(0); + *b++ = pack_float(0); + *b++ = pack_float(0); + *b++ = pack_float(0); + + *b++ = MI_BATCH_BUFFER_END; + if ((b - batch) & 1) + *b++ = 0; + + assert(b - batch <= 1024); + handle = gem_create(fd, 4096); + gem_write(fd, handle, 0, (b-batch)*sizeof(batch[0]), batch); + + assert(r-reloc == 2); + + obj[0].handle = dst; + obj[0].relocation_count = 0; + obj[0].relocs_ptr = 0; + obj[0].alignment = 0; + obj[0].offset = 0; + obj[0].flags = 0; + obj[0].rsvd1 = 0; + obj[0].rsvd2 = 0; + + obj[1].handle = src; + obj[1].relocation_count = 0; + obj[1].relocs_ptr = 0; + obj[1].alignment = 0; + obj[1].offset = 0; + obj[1].flags = 0; + obj[1].rsvd1 = 0; + obj[1].rsvd2 = 0; + + obj[2].handle = handle; + obj[2].relocation_count = 2; + obj[2].relocs_ptr = (uintptr_t)reloc; + obj[2].alignment = 0; + obj[2].offset = 0; + obj[2].flags = 0; + obj[2].rsvd1 = obj[2].rsvd2 = 0; + + exec.buffers_ptr = (uintptr_t)obj; + exec.buffer_count = 3; + exec.batch_start_offset = 0; + exec.batch_len = (b-batch)*sizeof(batch[0]); + exec.DR1 = exec.DR4 = 0; + exec.num_cliprects = 0; + exec.cliprects_ptr = 0; + exec.flags = 0; + exec.rsvd1 = exec.rsvd2 = 0; + + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec); + while (ret && errno == EBUSY) { + drmCommandNone(fd, DRM_I915_GEM_THROTTLE); + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec); + } + assert(ret == 0); + + gem_close(fd, handle); +} + +static void *gem_mmap(int fd, uint32_t handle, int size, int prot) +{ + struct drm_i915_gem_mmap_gtt mmap_arg; + void *ptr; + + mmap_arg.handle = handle; + if (drmIoctl(fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &mmap_arg)) { + assert(0); + return NULL; + } + + ptr = mmap(0, size, prot, MAP_SHARED, fd, mmap_arg.offset); + if (ptr == MAP_FAILED) { + assert(0); + ptr = NULL; + } + + return ptr; +} + +static void gem_set_tiling(int fd, uint32_t handle, int tiling, int stride) +{ + struct drm_i915_gem_set_tiling set_tiling; + int ret; + + do { + set_tiling.handle = handle; + set_tiling.tiling_mode = tiling; + set_tiling.stride = stride; + + ret = ioctl(fd, DRM_IOCTL_I915_GEM_SET_TILING, &set_tiling); + } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); + assert(ret == 0); + assert(set_tiling.tiling_mode == tiling); +} + +static uint32_t +create_bo(int fd, uint32_t val) +{ + uint32_t handle; + uint32_t *v; + int i; + + handle = gem_create(fd, WIDTH*HEIGHT*4); + gem_set_tiling(fd, handle, I915_TILING_Y, WIDTH*4); + + /* Fill the BO with dwords starting at val */ + v = gem_mmap(fd, handle, WIDTH*HEIGHT*4, PROT_READ | PROT_WRITE); + for (i = 0; i < WIDTH*HEIGHT; i++) + v[i] = val++; + munmap(v, WIDTH*HEIGHT*4); + + return handle; +} + +static void +check_bo(int fd, uint32_t handle, uint32_t val) +{ + uint32_t *v; + int i; + + v = gem_mmap(fd, handle, WIDTH*HEIGHT*4, PROT_READ); + for (i = 0; i < WIDTH*HEIGHT; i++) { + if (v[i] != val) { + fprintf(stderr, "Expected 0x%08x, found 0x%08x " + "at offset 0x%08x\n", + val, v[i], i * 4); + abort(); + } + val++; + } + munmap(v, WIDTH*HEIGHT*4); +} + +int main(int argc, char **argv) +{ + uint32_t *handle, *start_val; + uint32_t start = 0; + int i, fd, count; + + fd = drm_open_any(); + + count = 0; + if (argc > 1) + count = atoi(argv[1]); + if (count == 0) + count = 3 * gem_aperture_size(fd) / (1024*1024) / 2; + printf("Using %d 1MiB buffers\n", count); + + handle = malloc(sizeof(uint32_t)*count*2); + start_val = handle + count; + + for (i = 0; i < count; i++) { + handle[i] = create_bo(fd, start); + start_val[i] = start; + start += 1024 * 1024 / 4; + } + + printf("Verifying initialisation...\n"); + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + printf("Cyclic blits, forward...\n"); + for (i = 0; i < count * 4; i++) { + int src = i % count; + int dst = (i + 1) % count; + + copy(fd, handle[dst], handle[src]); + start_val[dst] = start_val[src]; + } + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + printf("Cyclic blits, backward...\n"); + for (i = 0; i < count * 4; i++) { + int src = (i + 1) % count; + int dst = i % count; + + copy(fd, handle[dst], handle[src]); + start_val[dst] = start_val[src]; + } + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + printf("Random blits...\n"); + for (i = 0; i < count * 4; i++) { + int src = random() % count; + int dst = random() % count; + + if (src == dst) + continue; + + copy(fd, handle[dst], handle[src]); + start_val[dst] = start_val[src]; + } + for (i = 0; i < count; i++) + check_bo(fd, handle[i], start_val[i]); + + return 0; +} -- cgit v1.2.3