/* * Copyright (C) 2008 VMware, Inc. * Copyright (C) 2012 Rob Clark * Copyright (C) 2014-2017 Broadcom * Copyright (C) 2018-2019 Alyssa Rosenzweig * Copyright (C) 2019 Collabora, Ltd. * * 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 (Collabora): * Tomeu Vizoso * Alyssa Rosenzweig * */ #include #include #include "drm-uapi/drm_fourcc.h" #include "frontend/winsys_handle.h" #include "util/format/u_format.h" #include "util/u_memory.h" #include "util/u_surface.h" #include "util/u_transfer.h" #include "util/u_transfer_helper.h" #include "util/u_gen_mipmap.h" #include "util/u_drm.h" #include "pan_bo.h" #include "pan_context.h" #include "pan_screen.h" #include "pan_resource.h" #include "pan_util.h" #include "pan_tiling.h" #include "decode.h" #include "panfrost-quirks.h" static bool panfrost_should_checksum(const struct panfrost_device *dev, const struct panfrost_resource *pres); static struct pipe_resource * panfrost_resource_from_handle(struct pipe_screen *pscreen, const struct pipe_resource *templat, struct winsys_handle *whandle, unsigned usage) { struct panfrost_device *dev = pan_device(pscreen); struct panfrost_resource *rsc; struct pipe_resource *prsc; assert(whandle->type == WINSYS_HANDLE_TYPE_FD); rsc = CALLOC_STRUCT(panfrost_resource); if (!rsc) return NULL; prsc = &rsc->base; *prsc = *templat; pipe_reference_init(&prsc->reference, 1); prsc->screen = pscreen; uint64_t mod = whandle->modifier == DRM_FORMAT_MOD_INVALID ? DRM_FORMAT_MOD_LINEAR : whandle->modifier; enum mali_texture_dimension dim = panfrost_translate_texture_dimension(templat->target); enum pan_image_crc_mode crc_mode = panfrost_should_checksum(dev, rsc) ? PAN_IMAGE_CRC_OOB : PAN_IMAGE_CRC_NONE; struct pan_image_explicit_layout explicit_layout = { .offset = whandle->offset, .line_stride = whandle->stride, }; bool valid = pan_image_layout_init(dev, &rsc->image.layout, mod, templat->format, dim, prsc->width0, prsc->height0, prsc->depth0, prsc->array_size, MAX2(prsc->nr_samples, 1), 1, crc_mode, &explicit_layout); if (!valid) { FREE(rsc); return NULL; } rsc->image.data.bo = panfrost_bo_import(dev, whandle->handle); /* Sometimes an import can fail e.g. on an invalid buffer fd, out of * memory space to mmap it etc. */ if (!rsc->image.data.bo) { FREE(rsc); return NULL; } if (rsc->image.layout.crc_mode == PAN_IMAGE_CRC_OOB) rsc->image.crc.bo = panfrost_bo_create(dev, rsc->image.layout.crc_size, 0, "CRC data"); rsc->modifier_constant = true; BITSET_SET(rsc->valid.data, 0); panfrost_resource_set_damage_region(pscreen, &rsc->base, 0, NULL); if (dev->ro) { rsc->scanout = renderonly_create_gpu_import_for_resource(prsc, dev->ro, NULL); /* failure is expected in some cases.. */ } return prsc; } static bool panfrost_resource_get_handle(struct pipe_screen *pscreen, struct pipe_context *ctx, struct pipe_resource *pt, struct winsys_handle *handle, unsigned usage) { struct panfrost_device *dev = pan_device(pscreen); struct panfrost_resource *rsrc = (struct panfrost_resource *) pt; struct renderonly_scanout *scanout = rsrc->scanout; handle->modifier = rsrc->image.layout.modifier; rsrc->modifier_constant = true; if (handle->type == WINSYS_HANDLE_TYPE_SHARED) { return false; } else if (handle->type == WINSYS_HANDLE_TYPE_KMS) { if (dev->ro) { return renderonly_get_handle(scanout, handle); } else { handle->handle = rsrc->image.data.bo->gem_handle; handle->stride = rsrc->image.layout.slices[0].line_stride; handle->offset = rsrc->image.layout.slices[0].offset; return true; } } else if (handle->type == WINSYS_HANDLE_TYPE_FD) { if (scanout) { struct drm_prime_handle args = { .handle = scanout->handle, .flags = DRM_CLOEXEC, }; int ret = drmIoctl(dev->ro->kms_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args); if (ret == -1) return false; handle->stride = scanout->stride; handle->handle = args.fd; return true; } else { int fd = panfrost_bo_export(rsrc->image.data.bo); if (fd < 0) return false; handle->handle = fd; handle->stride = rsrc->image.layout.slices[0].line_stride; handle->offset = rsrc->image.layout.slices[0].offset; return true; } } return false; } static bool panfrost_resource_get_param(struct pipe_screen *pscreen, struct pipe_context *pctx, struct pipe_resource *prsc, unsigned plane, unsigned layer, unsigned level, enum pipe_resource_param param, unsigned usage, uint64_t *value) { struct panfrost_resource *rsrc = (struct panfrost_resource *) prsc; switch (param) { case PIPE_RESOURCE_PARAM_STRIDE: *value = rsrc->image.layout.slices[level].line_stride; return true; case PIPE_RESOURCE_PARAM_OFFSET: *value = rsrc->image.layout.slices[level].offset; return true; case PIPE_RESOURCE_PARAM_MODIFIER: *value = rsrc->image.layout.modifier; return true; default: return false; } } static void panfrost_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc) { /* TODO */ } static struct pipe_surface * panfrost_create_surface(struct pipe_context *pipe, struct pipe_resource *pt, const struct pipe_surface *surf_tmpl) { struct panfrost_context *ctx = pan_context(pipe); struct pipe_surface *ps = NULL; pan_legalize_afbc_format(ctx, pan_resource(pt), surf_tmpl->format); ps = CALLOC_STRUCT(pipe_surface); if (ps) { pipe_reference_init(&ps->reference, 1); pipe_resource_reference(&ps->texture, pt); ps->context = pipe; ps->format = surf_tmpl->format; if (pt->target != PIPE_BUFFER) { assert(surf_tmpl->u.tex.level <= pt->last_level); ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level); ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level); ps->nr_samples = surf_tmpl->nr_samples; ps->u.tex.level = surf_tmpl->u.tex.level; ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer; ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer; } else { /* setting width as number of elements should get us correct renderbuffer width */ ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1; ps->height = pt->height0; ps->u.buf.first_element = surf_tmpl->u.buf.first_element; ps->u.buf.last_element = surf_tmpl->u.buf.last_element; assert(ps->u.buf.first_element <= ps->u.buf.last_element); assert(ps->u.buf.last_element < ps->width); } } return ps; } static void panfrost_surface_destroy(struct pipe_context *pipe, struct pipe_surface *surf) { assert(surf->texture); pipe_resource_reference(&surf->texture, NULL); free(surf); } static struct pipe_resource * panfrost_create_scanout_res(struct pipe_screen *screen, const struct pipe_resource *template, uint64_t modifier) { struct panfrost_device *dev = pan_device(screen); struct renderonly_scanout *scanout; struct winsys_handle handle; struct pipe_resource *res; struct pipe_resource scanout_templat = *template; /* Tiled formats need to be tile aligned */ if (modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED) { scanout_templat.width0 = ALIGN_POT(template->width0, 16); scanout_templat.height0 = ALIGN_POT(template->height0, 16); } /* AFBC formats need a header. Thankfully we don't care about the * stride so we can just use wonky dimensions as long as the right * number of bytes are allocated at the end of the day... this implies * that stride/pitch is invalid for AFBC buffers */ if (drm_is_afbc(modifier)) { /* Space for the header. We need to keep vaguely similar * dimensions because... reasons... to allocate with renderonly * as a dumb buffer. To do so, after the usual 16x16 alignment, * we add on extra rows for the header. The order of operations * matters here, the extra rows of padding can in fact be * needed and missing them can lead to faults. */ unsigned header_size = panfrost_afbc_header_size( template->width0, template->height0); unsigned pitch = ALIGN_POT(template->width0, 16) * util_format_get_blocksize(template->format); unsigned header_rows = DIV_ROUND_UP(header_size, pitch); scanout_templat.width0 = ALIGN_POT(template->width0, 16); scanout_templat.height0 = ALIGN_POT(template->height0, 16) + header_rows; } scanout = renderonly_scanout_for_resource(&scanout_templat, dev->ro, &handle); if (!scanout) return NULL; assert(handle.type == WINSYS_HANDLE_TYPE_FD); handle.modifier = modifier; res = screen->resource_from_handle(screen, template, &handle, PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE); close(handle.handle); if (!res) return NULL; struct panfrost_resource *pres = pan_resource(res); pres->scanout = scanout; return res; } static inline bool panfrost_is_2d(const struct panfrost_resource *pres) { return (pres->base.target == PIPE_TEXTURE_2D) || (pres->base.target == PIPE_TEXTURE_RECT); } /* Based on the usage, determine if it makes sense to use u-inteleaved tiling. * We only have routines to tile 2D textures of sane bpps. On the hardware * level, not all usages are valid for tiling. Finally, if the app is hinting * that the contents frequently change, tiling will be a loss. * * On platforms where it is supported, AFBC is even better. */ static bool panfrost_should_afbc(struct panfrost_device *dev, const struct panfrost_resource *pres, enum pipe_format fmt) { /* AFBC resources may be rendered to, textured from, or shared across * processes, but may not be used as e.g buffers */ const unsigned valid_binding = PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET | PIPE_BIND_BLENDABLE | PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED; if (pres->base.bind & ~valid_binding) return false; /* AFBC support is optional */ if (!dev->has_afbc) return false; /* AFBC<-->staging is expensive */ if (pres->base.usage == PIPE_USAGE_STREAM) return false; /* Only a small selection of formats are AFBC'able */ if (!panfrost_format_supports_afbc(dev, fmt)) return false; /* AFBC does not support layered (GLES3 style) multisampling. Use * EXT_multisampled_render_to_texture instead */ if (pres->base.nr_samples > 1) return false; switch (pres->base.target) { case PIPE_TEXTURE_2D: case PIPE_TEXTURE_2D_ARRAY: case PIPE_TEXTURE_RECT: break; case PIPE_TEXTURE_3D: /* 3D AFBC is only supported on Bifrost v7+. It's supposed to * be supported on Midgard but it doesn't seem to work */ if (dev->arch < 7) return false; break; default: return false; } /* For one tile, AFBC is a loss compared to u-interleaved */ if (pres->base.width0 <= 16 && pres->base.height0 <= 16) return false; /* Otherwise, we'd prefer AFBC as it is dramatically more efficient * than linear or usually even u-interleaved */ return true; } static bool panfrost_should_tile(struct panfrost_device *dev, const struct panfrost_resource *pres, enum pipe_format fmt) { const unsigned valid_binding = PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET | PIPE_BIND_BLENDABLE | PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED; unsigned bpp = util_format_get_blocksizebits(fmt); bool is_sane_bpp = bpp == 8 || bpp == 16 || bpp == 24 || bpp == 32 || bpp == 64 || bpp == 128; bool can_tile = panfrost_is_2d(pres) && is_sane_bpp && ((pres->base.bind & ~valid_binding) == 0); return can_tile && (pres->base.usage != PIPE_USAGE_STREAM); } static uint64_t panfrost_best_modifier(struct panfrost_device *dev, const struct panfrost_resource *pres, enum pipe_format fmt) { /* Force linear textures when debugging tiling/compression */ if (unlikely(dev->debug & PAN_DBG_LINEAR)) return DRM_FORMAT_MOD_LINEAR; if (panfrost_should_afbc(dev, pres, fmt)) { uint64_t afbc = AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | AFBC_FORMAT_MOD_SPARSE; if (panfrost_afbc_can_ytr(pres->base.format)) afbc |= AFBC_FORMAT_MOD_YTR; return DRM_FORMAT_MOD_ARM_AFBC(afbc); } else if (panfrost_should_tile(dev, pres, fmt)) return DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED; else return DRM_FORMAT_MOD_LINEAR; } static bool panfrost_should_checksum(const struct panfrost_device *dev, const struct panfrost_resource *pres) { /* When checksumming is enabled, the tile data must fit in the * size of the writeback buffer, so don't checksum formats * that use too much space. */ unsigned bytes_per_pixel_max = (dev->arch == 6) ? 6 : 4; unsigned bytes_per_pixel = MAX2(pres->base.nr_samples, 1) * util_format_get_blocksize(pres->base.format); return pres->base.bind & PIPE_BIND_RENDER_TARGET && panfrost_is_2d(pres) && bytes_per_pixel <= bytes_per_pixel_max && pres->base.last_level == 0 && !(dev->debug & PAN_DBG_NO_CRC); } static void panfrost_resource_setup(struct panfrost_device *dev, struct panfrost_resource *pres, uint64_t modifier, enum pipe_format fmt) { uint64_t chosen_mod = modifier != DRM_FORMAT_MOD_INVALID ? modifier : panfrost_best_modifier(dev, pres, fmt); enum pan_image_crc_mode crc_mode = panfrost_should_checksum(dev, pres) ? PAN_IMAGE_CRC_INBAND : PAN_IMAGE_CRC_NONE; enum mali_texture_dimension dim = panfrost_translate_texture_dimension(pres->base.target); /* We can only switch tiled->linear if the resource isn't already * linear and if we control the modifier */ pres->modifier_constant = !(chosen_mod != DRM_FORMAT_MOD_LINEAR && modifier == DRM_FORMAT_MOD_INVALID); /* Z32_S8X24 variants are actually stored in 2 planes (one per * component), we have to adjust the format on the first plane. */ if (fmt == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) fmt = PIPE_FORMAT_Z32_FLOAT; ASSERTED bool valid = pan_image_layout_init(dev, &pres->image.layout, chosen_mod, fmt, dim, pres->base.width0, pres->base.height0, pres->base.depth0, pres->base.array_size, MAX2(pres->base.nr_samples, 1), pres->base.last_level + 1, crc_mode, NULL); assert(valid); } static void panfrost_resource_init_afbc_headers(struct panfrost_resource *pres) { panfrost_bo_mmap(pres->image.data.bo); unsigned nr_samples = MAX2(pres->base.nr_samples, 1); for (unsigned i = 0; i < pres->base.array_size; ++i) { for (unsigned l = 0; l <= pres->base.last_level; ++l) { struct pan_image_slice_layout *slice = &pres->image.layout.slices[l]; for (unsigned s = 0; s < nr_samples; ++s) { void *ptr = pres->image.data.bo->ptr.cpu + (i * pres->image.layout.array_stride) + slice->offset + (s * slice->afbc.surface_stride); /* Zero-ed AFBC headers seem to encode a plain * black. Let's use this pattern to keep the * initialization simple. */ memset(ptr, 0, slice->afbc.header_size); } } } } void panfrost_resource_set_damage_region(struct pipe_screen *screen, struct pipe_resource *res, unsigned int nrects, const struct pipe_box *rects) { struct panfrost_device *dev = pan_device(screen); struct panfrost_resource *pres = pan_resource(res); struct pipe_scissor_state *damage_extent = &pres->damage.extent; unsigned int i; if (!pan_is_bifrost(dev) && !(dev->quirks & NO_TILE_ENABLE_MAP) && nrects > 1) { if (!pres->damage.tile_map.data) { pres->damage.tile_map.stride = ALIGN_POT(DIV_ROUND_UP(res->width0, 32 * 8), 64); pres->damage.tile_map.size = pres->damage.tile_map.stride * DIV_ROUND_UP(res->height0, 32); pres->damage.tile_map.data = malloc(pres->damage.tile_map.size); } memset(pres->damage.tile_map.data, 0, pres->damage.tile_map.size); pres->damage.tile_map.enable = true; } else { pres->damage.tile_map.enable = false; } /* Track the damage extent: the quad including all damage regions. Will * be used restrict the rendering area */ damage_extent->minx = 0xffff; damage_extent->miny = 0xffff; unsigned enable_count = 0; for (i = 0; i < nrects; i++) { int x = rects[i].x, w = rects[i].width, h = rects[i].height; int y = res->height0 - (rects[i].y + h); damage_extent->minx = MIN2(damage_extent->minx, x); damage_extent->miny = MIN2(damage_extent->miny, y); damage_extent->maxx = MAX2(damage_extent->maxx, MIN2(x + w, res->width0)); damage_extent->maxy = MAX2(damage_extent->maxy, MIN2(y + h, res->height0)); if (!pres->damage.tile_map.enable) continue; unsigned t_x_start = x / 32; unsigned t_x_end = (x + w - 1) / 32; unsigned t_y_start = y / 32; unsigned t_y_end = (y + h - 1) / 32; for (unsigned t_y = t_y_start; t_y <= t_y_end; t_y++) { for (unsigned t_x = t_x_start; t_x <= t_x_end; t_x++) { unsigned b = (t_y * pres->damage.tile_map.stride * 8) + t_x; if (BITSET_TEST(pres->damage.tile_map.data, b)) continue; BITSET_SET(pres->damage.tile_map.data, b); enable_count++; } } } if (nrects == 0) { damage_extent->minx = 0; damage_extent->miny = 0; damage_extent->maxx = res->width0; damage_extent->maxy = res->height0; } if (pres->damage.tile_map.enable) { unsigned t_x_start = damage_extent->minx / 32; unsigned t_x_end = damage_extent->maxx / 32; unsigned t_y_start = damage_extent->miny / 32; unsigned t_y_end = damage_extent->maxy / 32; unsigned tile_count = (t_x_end - t_x_start + 1) * (t_y_end - t_y_start + 1); /* Don't bother passing a tile-enable-map if the amount of * tiles to reload is to close to the total number of tiles. */ if (tile_count - enable_count < 10) pres->damage.tile_map.enable = false; } } static struct pipe_resource * panfrost_resource_create_with_modifier(struct pipe_screen *screen, const struct pipe_resource *template, uint64_t modifier) { struct panfrost_device *dev = pan_device(screen); if (dev->ro && (template->bind & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED))) return panfrost_create_scanout_res(screen, template, modifier); struct panfrost_resource *so = CALLOC_STRUCT(panfrost_resource); so->base = *template; so->base.screen = screen; pipe_reference_init(&so->base.reference, 1); util_range_init(&so->valid_buffer_range); panfrost_resource_setup(dev, so, modifier, template->format); /* Guess a label based on the bind */ unsigned bind = template->bind; const char *label = (bind & PIPE_BIND_INDEX_BUFFER) ? "Index buffer" : (bind & PIPE_BIND_SCANOUT) ? "Scanout" : (bind & PIPE_BIND_DISPLAY_TARGET) ? "Display target" : (bind & PIPE_BIND_SHARED) ? "Shared resource" : (bind & PIPE_BIND_RENDER_TARGET) ? "Render target" : (bind & PIPE_BIND_DEPTH_STENCIL) ? "Depth/stencil buffer" : (bind & PIPE_BIND_SAMPLER_VIEW) ? "Texture" : (bind & PIPE_BIND_VERTEX_BUFFER) ? "Vertex buffer" : (bind & PIPE_BIND_CONSTANT_BUFFER) ? "Constant buffer" : (bind & PIPE_BIND_GLOBAL) ? "Global memory" : (bind & PIPE_BIND_SHADER_BUFFER) ? "Shader buffer" : (bind & PIPE_BIND_SHADER_IMAGE) ? "Shader image" : "Other resource"; /* We create a BO immediately but don't bother mapping, since we don't * care to map e.g. FBOs which the CPU probably won't touch */ so->image.data.bo = panfrost_bo_create(dev, so->image.layout.data_size, PAN_BO_DELAY_MMAP, label); if (drm_is_afbc(so->image.layout.modifier)) panfrost_resource_init_afbc_headers(so); panfrost_resource_set_damage_region(screen, &so->base, 0, NULL); if (template->bind & PIPE_BIND_INDEX_BUFFER) so->index_cache = CALLOC_STRUCT(panfrost_minmax_cache); return (struct pipe_resource *)so; } /* Default is to create a resource as don't care */ static struct pipe_resource * panfrost_resource_create(struct pipe_screen *screen, const struct pipe_resource *template) { return panfrost_resource_create_with_modifier(screen, template, DRM_FORMAT_MOD_INVALID); } /* If no modifier is specified, we'll choose. Otherwise, the order of * preference is compressed, tiled, linear. */ static struct pipe_resource * panfrost_resource_create_with_modifiers(struct pipe_screen *screen, const struct pipe_resource *template, const uint64_t *modifiers, int count) { for (unsigned i = 0; i < PAN_MODIFIER_COUNT; ++i) { if (drm_find_modifier(pan_best_modifiers[i], modifiers, count)) { return panfrost_resource_create_with_modifier(screen, template, pan_best_modifiers[i]); } } /* If we didn't find one, app specified invalid */ assert(count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID); return panfrost_resource_create(screen, template); } static void panfrost_resource_destroy(struct pipe_screen *screen, struct pipe_resource *pt) { struct panfrost_device *dev = pan_device(screen); struct panfrost_resource *rsrc = (struct panfrost_resource *) pt; if (rsrc->scanout) renderonly_scanout_destroy(rsrc->scanout, dev->ro); if (rsrc->image.data.bo) panfrost_bo_unreference(rsrc->image.data.bo); if (rsrc->image.crc.bo) panfrost_bo_unreference(rsrc->image.crc.bo); free(rsrc->index_cache); free(rsrc->damage.tile_map.data); util_range_destroy(&rsrc->valid_buffer_range); free(rsrc); } /* Most of the time we can do CPU-side transfers, but sometimes we need to use * the 3D pipe for this. Let's wrap u_blitter to blit to/from staging textures. * Code adapted from freedreno */ static struct panfrost_resource * pan_alloc_staging(struct panfrost_context *ctx, struct panfrost_resource *rsc, unsigned level, const struct pipe_box *box) { struct pipe_context *pctx = &ctx->base; struct pipe_resource tmpl = rsc->base; tmpl.width0 = box->width; tmpl.height0 = box->height; /* for array textures, box->depth is the array_size, otherwise * for 3d textures, it is the depth: */ if (tmpl.array_size > 1) { if (tmpl.target == PIPE_TEXTURE_CUBE) tmpl.target = PIPE_TEXTURE_2D_ARRAY; tmpl.array_size = box->depth; tmpl.depth0 = 1; } else { tmpl.array_size = 1; tmpl.depth0 = box->depth; } tmpl.last_level = 0; tmpl.bind |= PIPE_BIND_LINEAR; tmpl.bind &= ~(PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED); struct pipe_resource *pstaging = pctx->screen->resource_create(pctx->screen, &tmpl); if (!pstaging) return NULL; return pan_resource(pstaging); } static enum pipe_format pan_blit_format(enum pipe_format fmt) { const struct util_format_description *desc; desc = util_format_description(fmt); /* This must be an emulated format (using u_transfer_helper) as if it * was real RGTC we wouldn't have used AFBC and needed a blit. */ if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) fmt = PIPE_FORMAT_R8G8B8A8_UNORM; return fmt; } static void pan_blit_from_staging(struct pipe_context *pctx, struct panfrost_transfer *trans) { struct pipe_resource *dst = trans->base.resource; struct pipe_blit_info blit = {0}; blit.dst.resource = dst; blit.dst.format = pan_blit_format(dst->format); blit.dst.level = trans->base.level; blit.dst.box = trans->base.box; blit.src.resource = trans->staging.rsrc; blit.src.format = pan_blit_format(trans->staging.rsrc->format); blit.src.level = 0; blit.src.box = trans->staging.box; blit.mask = util_format_get_mask(blit.src.format); blit.filter = PIPE_TEX_FILTER_NEAREST; panfrost_blit(pctx, &blit); } static void pan_blit_to_staging(struct pipe_context *pctx, struct panfrost_transfer *trans) { struct pipe_resource *src = trans->base.resource; struct pipe_blit_info blit = {0}; blit.src.resource = src; blit.src.format = pan_blit_format(src->format); blit.src.level = trans->base.level; blit.src.box = trans->base.box; blit.dst.resource = trans->staging.rsrc; blit.dst.format = pan_blit_format(trans->staging.rsrc->format); blit.dst.level = 0; blit.dst.box = trans->staging.box; blit.mask = util_format_get_mask(blit.dst.format); blit.filter = PIPE_TEX_FILTER_NEAREST; panfrost_blit(pctx, &blit); } static void * panfrost_ptr_map(struct pipe_context *pctx, struct pipe_resource *resource, unsigned level, unsigned usage, /* a combination of PIPE_MAP_x */ const struct pipe_box *box, struct pipe_transfer **out_transfer) { struct panfrost_context *ctx = pan_context(pctx); struct panfrost_device *dev = pan_device(pctx->screen); struct panfrost_resource *rsrc = pan_resource(resource); enum pipe_format format = rsrc->image.layout.format; int bytes_per_block = util_format_get_blocksize(format); struct panfrost_bo *bo = rsrc->image.data.bo; /* Can't map tiled/compressed directly */ if ((usage & PIPE_MAP_DIRECTLY) && rsrc->image.layout.modifier != DRM_FORMAT_MOD_LINEAR) return NULL; struct panfrost_transfer *transfer = rzalloc(pctx, struct panfrost_transfer); transfer->base.level = level; transfer->base.usage = usage; transfer->base.box = *box; pipe_resource_reference(&transfer->base.resource, resource); *out_transfer = &transfer->base; /* We don't have s/w routines for AFBC, so use a staging texture */ if (drm_is_afbc(rsrc->image.layout.modifier)) { struct panfrost_resource *staging = pan_alloc_staging(ctx, rsrc, level, box); assert(staging); /* Staging resources have one LOD: level 0. Query the strides * on this LOD. */ transfer->base.stride = staging->image.layout.slices[0].line_stride; transfer->base.layer_stride = panfrost_get_layer_stride(&staging->image.layout, 0); transfer->staging.rsrc = &staging->base; transfer->staging.box = *box; transfer->staging.box.x = 0; transfer->staging.box.y = 0; transfer->staging.box.z = 0; assert(transfer->staging.rsrc != NULL); bool valid = BITSET_TEST(rsrc->valid.data, level); if ((usage & PIPE_MAP_READ) && (valid || rsrc->track.nr_writers > 0)) { pan_blit_to_staging(pctx, transfer); panfrost_flush_writer(ctx, staging, "AFBC read staging blit"); panfrost_bo_wait(staging->image.data.bo, INT64_MAX, false); } panfrost_bo_mmap(staging->image.data.bo); return staging->image.data.bo->ptr.cpu; } /* If we haven't already mmaped, now's the time */ panfrost_bo_mmap(bo); if (dev->debug & (PAN_DBG_TRACE | PAN_DBG_SYNC)) pandecode_inject_mmap(bo->ptr.gpu, bo->ptr.cpu, bo->size, NULL); bool create_new_bo = usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE; bool copy_resource = false; if (!create_new_bo && !(usage & PIPE_MAP_UNSYNCHRONIZED) && (usage & PIPE_MAP_WRITE) && !(resource->target == PIPE_BUFFER && !util_ranges_intersect(&rsrc->valid_buffer_range, box->x, box->x + box->width)) && rsrc->track.nr_users > 0) { /* When a resource to be modified is already being used by a * pending batch, it is often faster to copy the whole BO than * to flush and split the frame in two. */ panfrost_flush_writer(ctx, rsrc, "Shadow resource creation"); panfrost_bo_wait(bo, INT64_MAX, false); create_new_bo = true; copy_resource = true; } if (create_new_bo) { /* If the BO is used by one of the pending batches or if it's * not ready yet (still accessed by one of the already flushed * batches), we try to allocate a new one to avoid waiting. */ if (rsrc->track.nr_users > 0 || !panfrost_bo_wait(bo, 0, true)) { /* We want the BO to be MMAPed. */ uint32_t flags = bo->flags & ~PAN_BO_DELAY_MMAP; struct panfrost_bo *newbo = NULL; /* When the BO has been imported/exported, we can't * replace it by another one, otherwise the * importer/exporter wouldn't see the change we're * doing to it. */ if (!(bo->flags & PAN_BO_SHARED)) newbo = panfrost_bo_create(dev, bo->size, flags, bo->label); if (newbo) { if (copy_resource) memcpy(newbo->ptr.cpu, rsrc->image.data.bo->ptr.cpu, bo->size); panfrost_bo_unreference(bo); rsrc->image.data.bo = newbo; if (!copy_resource && drm_is_afbc(rsrc->image.layout.modifier)) panfrost_resource_init_afbc_headers(rsrc); bo = newbo; } else { /* Allocation failed or was impossible, let's * fall back on a flush+wait. */ panfrost_flush_batches_accessing_rsrc(ctx, rsrc, "Resource access with high memory pressure"); panfrost_bo_wait(bo, INT64_MAX, true); } } } else if ((usage & PIPE_MAP_WRITE) && resource->target == PIPE_BUFFER && !util_ranges_intersect(&rsrc->valid_buffer_range, box->x, box->x + box->width)) { /* No flush for writes to uninitialized */ } else if (!(usage & PIPE_MAP_UNSYNCHRONIZED)) { if (usage & PIPE_MAP_WRITE) { panfrost_flush_batches_accessing_rsrc(ctx, rsrc, "Synchronized write"); panfrost_bo_wait(bo, INT64_MAX, true); } else if (usage & PIPE_MAP_READ) { panfrost_flush_writer(ctx, rsrc, "Synchronized read"); panfrost_bo_wait(bo, INT64_MAX, false); } } /* For access to compressed textures, we want the (x, y, w, h) * region-of-interest in blocks, not pixels. Then we compute the stride * between rows of blocks as the width in blocks times the width per * block, etc. */ struct pipe_box box_blocks; u_box_pixels_to_blocks(&box_blocks, box, format); if (rsrc->image.layout.modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED) { transfer->base.stride = box_blocks.width * bytes_per_block; transfer->base.layer_stride = transfer->base.stride * box_blocks.height; transfer->map = ralloc_size(transfer, transfer->base.layer_stride * box->depth); assert(box->depth == 1); if ((usage & PIPE_MAP_READ) && BITSET_TEST(rsrc->valid.data, level)) { panfrost_load_tiled_image( transfer->map, bo->ptr.cpu + rsrc->image.layout.slices[level].offset, box->x, box->y, box->width, box->height, transfer->base.stride, rsrc->image.layout.slices[level].line_stride, rsrc->image.layout.format); } return transfer->map; } else { assert (rsrc->image.layout.modifier == DRM_FORMAT_MOD_LINEAR); /* Direct, persistent writes create holes in time for * caching... I don't know if this is actually possible but we * should still get it right */ unsigned dpw = PIPE_MAP_DIRECTLY | PIPE_MAP_WRITE | PIPE_MAP_PERSISTENT; if ((usage & dpw) == dpw && rsrc->index_cache) return NULL; transfer->base.stride = rsrc->image.layout.slices[level].line_stride; transfer->base.layer_stride = panfrost_get_layer_stride(&rsrc->image.layout, level); /* By mapping direct-write, we're implicitly already * initialized (maybe), so be conservative */ if (usage & PIPE_MAP_WRITE) { BITSET_SET(rsrc->valid.data, level); panfrost_minmax_cache_invalidate(rsrc->index_cache, &transfer->base); } return bo->ptr.cpu + rsrc->image.layout.slices[level].offset + box->z * transfer->base.layer_stride + box_blocks.y * rsrc->image.layout.slices[level].line_stride + box_blocks.x * bytes_per_block; } } void pan_resource_modifier_convert(struct panfrost_context *ctx, struct panfrost_resource *rsrc, uint64_t modifier, const char *reason) { assert(!rsrc->modifier_constant); perf_debug_ctx(ctx, "Disabling AFBC with a blit. Reason: %s", reason); struct pipe_resource *tmp_prsrc = panfrost_resource_create_with_modifier( ctx->base.screen, &rsrc->base, modifier); struct panfrost_resource *tmp_rsrc = pan_resource(tmp_prsrc); enum pipe_format blit_fmt = pan_blit_format(tmp_rsrc->base.format); unsigned depth = rsrc->base.target == PIPE_TEXTURE_3D ? rsrc->base.depth0 : rsrc->base.array_size; struct pipe_box box = { 0, 0, 0, rsrc->base.width0, rsrc->base.height0, depth }; struct pipe_blit_info blit = { .dst.resource = &tmp_rsrc->base, .dst.format = blit_fmt, .dst.box = box, .src.resource = &rsrc->base, .src.format = pan_blit_format(rsrc->base.format), .src.box = box, .mask = util_format_get_mask(blit_fmt), .filter = PIPE_TEX_FILTER_NEAREST }; for (int i = 0; i <= rsrc->base.last_level; i++) { if (BITSET_TEST(rsrc->valid.data, i)) { blit.dst.level = blit.src.level = i; panfrost_blit(&ctx->base, &blit); } } panfrost_bo_unreference(rsrc->image.data.bo); if (rsrc->image.crc.bo) panfrost_bo_unreference(rsrc->image.crc.bo); rsrc->image.data.bo = tmp_rsrc->image.data.bo; panfrost_bo_reference(rsrc->image.data.bo); panfrost_resource_setup(pan_device(ctx->base.screen), rsrc, modifier, blit.dst.format); pipe_resource_reference(&tmp_prsrc, NULL); } /* Validate that an AFBC resource may be used as a particular format. If it may * not, decompress it on the fly. Failure to do so can produce wrong results or * invalid data faults when sampling or rendering to AFBC */ void pan_legalize_afbc_format(struct panfrost_context *ctx, struct panfrost_resource *rsrc, enum pipe_format format) { struct panfrost_device *dev = pan_device(ctx->base.screen); if (!drm_is_afbc(rsrc->image.layout.modifier)) return; if (panfrost_afbc_format(dev, pan_blit_format(rsrc->base.format)) == panfrost_afbc_format(dev, pan_blit_format(format))) return; pan_resource_modifier_convert(ctx, rsrc, DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED, "Reinterpreting AFBC surface as incompatible format"); } static bool panfrost_should_linear_convert(struct panfrost_device *dev, struct panfrost_resource *prsrc, struct pipe_transfer *transfer) { if (prsrc->modifier_constant) return false; /* Overwriting the entire resource indicates streaming, for which * linear layout is most efficient due to the lack of expensive * conversion. * * For now we just switch to linear after a number of complete * overwrites to keep things simple, but we could do better. */ unsigned depth = prsrc->base.target == PIPE_TEXTURE_3D ? prsrc->base.depth0 : prsrc->base.array_size; bool entire_overwrite = prsrc->base.last_level == 0 && transfer->box.width == prsrc->base.width0 && transfer->box.height == prsrc->base.height0 && transfer->box.depth == depth && transfer->box.x == 0 && transfer->box.y == 0 && transfer->box.z == 0; if (entire_overwrite) ++prsrc->modifier_updates; if (prsrc->modifier_updates >= LAYOUT_CONVERT_THRESHOLD) { perf_debug(dev, "Transitioning to linear due to streaming usage"); return true; } else { return false; } } static void panfrost_ptr_unmap(struct pipe_context *pctx, struct pipe_transfer *transfer) { /* Gallium expects writeback here, so we tile */ struct panfrost_transfer *trans = pan_transfer(transfer); struct panfrost_resource *prsrc = (struct panfrost_resource *) transfer->resource; struct panfrost_device *dev = pan_device(pctx->screen); if (transfer->usage & PIPE_MAP_WRITE) prsrc->valid.crc = false; /* AFBC will use a staging resource. `initialized` will be set when the * fragment job is created; this is deferred to prevent useless surface * reloads that can cascade into DATA_INVALID_FAULTs due to reading * malformed AFBC data if uninitialized */ if (trans->staging.rsrc) { if (transfer->usage & PIPE_MAP_WRITE) { if (panfrost_should_linear_convert(dev, prsrc, transfer)) { panfrost_bo_unreference(prsrc->image.data.bo); if (prsrc->image.crc.bo) panfrost_bo_unreference(prsrc->image.crc.bo); panfrost_resource_setup(dev, prsrc, DRM_FORMAT_MOD_LINEAR, prsrc->image.layout.format); prsrc->image.data.bo = pan_resource(trans->staging.rsrc)->image.data.bo; panfrost_bo_reference(prsrc->image.data.bo); } else { pan_blit_from_staging(pctx, trans); panfrost_flush_batches_accessing_rsrc(pan_context(pctx), pan_resource(trans->staging.rsrc), "AFBC write staging blit"); } } pipe_resource_reference(&trans->staging.rsrc, NULL); } /* Tiling will occur in software from a staging cpu buffer */ if (trans->map) { struct panfrost_bo *bo = prsrc->image.data.bo; if (transfer->usage & PIPE_MAP_WRITE) { BITSET_SET(prsrc->valid.data, transfer->level); if (prsrc->image.layout.modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED) { assert(transfer->box.depth == 1); if (panfrost_should_linear_convert(dev, prsrc, transfer)) { panfrost_resource_setup(dev, prsrc, DRM_FORMAT_MOD_LINEAR, prsrc->image.layout.format); if (prsrc->image.layout.data_size > bo->size) { const char *label = bo->label; panfrost_bo_unreference(bo); bo = prsrc->image.data.bo = panfrost_bo_create(dev, prsrc->image.layout.data_size, 0, label); assert(bo); } util_copy_rect( bo->ptr.cpu + prsrc->image.layout.slices[0].offset, prsrc->base.format, prsrc->image.layout.slices[0].line_stride, 0, 0, transfer->box.width, transfer->box.height, trans->map, transfer->stride, 0, 0); } else { panfrost_store_tiled_image( bo->ptr.cpu + prsrc->image.layout.slices[transfer->level].offset, trans->map, transfer->box.x, transfer->box.y, transfer->box.width, transfer->box.height, prsrc->image.layout.slices[transfer->level].line_stride, transfer->stride, prsrc->image.layout.format); } } } } util_range_add(&prsrc->base, &prsrc->valid_buffer_range, transfer->box.x, transfer->box.x + transfer->box.width); panfrost_minmax_cache_invalidate(prsrc->index_cache, transfer); /* Derefence the resource */ pipe_resource_reference(&transfer->resource, NULL); /* Transfer itself is RALLOCed at the moment */ ralloc_free(transfer); } static void panfrost_ptr_flush_region(struct pipe_context *pctx, struct pipe_transfer *transfer, const struct pipe_box *box) { struct panfrost_resource *rsc = pan_resource(transfer->resource); if (transfer->resource->target == PIPE_BUFFER) { util_range_add(&rsc->base, &rsc->valid_buffer_range, transfer->box.x + box->x, transfer->box.x + box->x + box->width); } else { BITSET_SET(rsc->valid.data, transfer->level); } } static void panfrost_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsrc) { struct panfrost_context *ctx = pan_context(pctx); struct panfrost_batch *batch = panfrost_get_batch_for_fbo(ctx); /* Handle the glInvalidateFramebuffer case */ if (batch->key.zsbuf && batch->key.zsbuf->texture == prsrc) batch->resolve &= ~PIPE_CLEAR_DEPTHSTENCIL; for (unsigned i = 0; i < batch->key.nr_cbufs; ++i) { struct pipe_surface *surf = batch->key.cbufs[i]; if (surf && surf->texture == prsrc) batch->resolve &= ~(PIPE_CLEAR_COLOR0 << i); } } static enum pipe_format panfrost_resource_get_internal_format(struct pipe_resource *rsrc) { struct panfrost_resource *prsrc = (struct panfrost_resource *) rsrc; return prsrc->image.layout.format; } static bool panfrost_generate_mipmap( struct pipe_context *pctx, struct pipe_resource *prsrc, enum pipe_format format, unsigned base_level, unsigned last_level, unsigned first_layer, unsigned last_layer) { struct panfrost_resource *rsrc = pan_resource(prsrc); /* Generating a mipmap invalidates the written levels, so make that * explicit so we don't try to wallpaper them back and end up with * u_blitter recursion */ assert(rsrc->image.data.bo); for (unsigned l = base_level + 1; l <= last_level; ++l) BITSET_CLEAR(rsrc->valid.data, l); /* Beyond that, we just delegate the hard stuff. */ bool blit_res = util_gen_mipmap( pctx, prsrc, format, base_level, last_level, first_layer, last_layer, PIPE_TEX_FILTER_LINEAR); return blit_res; } static void panfrost_resource_set_stencil(struct pipe_resource *prsrc, struct pipe_resource *stencil) { pan_resource(prsrc)->separate_stencil = pan_resource(stencil); } static struct pipe_resource * panfrost_resource_get_stencil(struct pipe_resource *prsrc) { if (!pan_resource(prsrc)->separate_stencil) return NULL; return &pan_resource(prsrc)->separate_stencil->base; } static const struct u_transfer_vtbl transfer_vtbl = { .resource_create = panfrost_resource_create, .resource_destroy = panfrost_resource_destroy, .transfer_map = panfrost_ptr_map, .transfer_unmap = panfrost_ptr_unmap, .transfer_flush_region = panfrost_ptr_flush_region, .get_internal_format = panfrost_resource_get_internal_format, .set_stencil = panfrost_resource_set_stencil, .get_stencil = panfrost_resource_get_stencil, }; void panfrost_resource_screen_init(struct pipe_screen *pscreen) { struct panfrost_device *dev = pan_device(pscreen); bool fake_rgtc = !panfrost_supports_compressed_format(dev, MALI_BC4_UNORM); pscreen->resource_create_with_modifiers = panfrost_resource_create_with_modifiers; pscreen->resource_create = u_transfer_helper_resource_create; pscreen->resource_destroy = u_transfer_helper_resource_destroy; pscreen->resource_from_handle = panfrost_resource_from_handle; pscreen->resource_get_handle = panfrost_resource_get_handle; pscreen->resource_get_param = panfrost_resource_get_param; pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl, true, false, fake_rgtc, true); } void panfrost_resource_screen_destroy(struct pipe_screen *pscreen) { u_transfer_helper_destroy(pscreen->transfer_helper); } void panfrost_resource_context_init(struct pipe_context *pctx) { pctx->buffer_map = u_transfer_helper_transfer_map; pctx->buffer_unmap = u_transfer_helper_transfer_unmap; pctx->texture_map = u_transfer_helper_transfer_map; pctx->texture_unmap = u_transfer_helper_transfer_unmap; pctx->create_surface = panfrost_create_surface; pctx->surface_destroy = panfrost_surface_destroy; pctx->resource_copy_region = util_resource_copy_region; pctx->blit = panfrost_blit; pctx->generate_mipmap = panfrost_generate_mipmap; pctx->flush_resource = panfrost_flush_resource; pctx->invalidate_resource = panfrost_invalidate_resource; pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region; pctx->buffer_subdata = u_default_buffer_subdata; pctx->texture_subdata = u_default_texture_subdata; }