/* * 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. * Copyright (C) 2023 Amazon.com, Inc. or its affiliates * * 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_debug_image.h" #include "util/u_drm.h" #include "util/u_gen_mipmap.h" #include "util/u_memory.h" #include "util/u_resource.h" #include "util/u_surface.h" #include "util/u_transfer.h" #include "util/u_transfer_helper.h" #include "decode.h" #include "pan_bo.h" #include "pan_context.h" #include "pan_resource.h" #include "pan_screen.h" #include "pan_tiling.h" #include "pan_util.h" static void panfrost_clear_depth_stencil(struct pipe_context *pipe, struct pipe_surface *dst, unsigned clear_flags, double depth, unsigned stencil, unsigned dstx, unsigned dsty, unsigned width, unsigned height, bool render_condition_enabled) { struct panfrost_context *ctx = pan_context(pipe); if (render_condition_enabled && !panfrost_render_condition_check(ctx)) return; panfrost_blitter_save( ctx, render_condition_enabled ? PAN_RENDER_COND : PAN_RENDER_BASE); util_blitter_clear_depth_stencil(ctx->blitter, dst, clear_flags, depth, stencil, dstx, dsty, width, height); } static void panfrost_clear_render_target(struct pipe_context *pipe, struct pipe_surface *dst, const union pipe_color_union *color, unsigned dstx, unsigned dsty, unsigned width, unsigned height, bool render_condition_enabled) { struct panfrost_context *ctx = pan_context(pipe); if (render_condition_enabled && !panfrost_render_condition_check(ctx)) return; panfrost_blitter_save( ctx, render_condition_enabled ? PAN_RENDER_COND : PAN_RENDER_BASE); util_blitter_clear_render_target(ctx->blitter, dst, color, dstx, dsty, width, height); } 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); struct pan_image_explicit_layout explicit_layout = { .offset = whandle->offset, .row_stride = panfrost_from_legacy_stride(whandle->stride, templat->format, mod), }; rsc->image.layout = (struct pan_image_layout){ .modifier = mod, .format = templat->format, .dim = dim, .width = prsc->width0, .height = prsc->height0, .depth = prsc->depth0, .array_size = prsc->array_size, .nr_samples = MAX2(prsc->nr_samples, 1), .nr_slices = 1, }; bool valid = pan_image_layout_init(dev->arch, &rsc->image.layout, &explicit_layout); if (!valid) { FREE(rsc); return NULL; } rsc->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->bo) { FREE(rsc); return NULL; } rsc->image.data.base = rsc->bo->ptr.gpu; 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 renderonly_scanout *scanout; struct pipe_resource *plane_res = util_resource_at_index(pt, handle->plane); if (!plane_res) return false; rsrc = pan_resource(plane_res); scanout = rsrc->scanout; handle->modifier = rsrc->image.layout.modifier; rsrc->modifier_constant = true; if (handle->type == WINSYS_HANDLE_TYPE_KMS && dev->ro) { return renderonly_get_handle(scanout, handle); } else if (handle->type == WINSYS_HANDLE_TYPE_KMS) { handle->handle = panfrost_bo_handle(rsrc->bo); } else if (handle->type == WINSYS_HANDLE_TYPE_FD) { int fd = panfrost_bo_export(rsrc->bo); if (fd < 0) return false; handle->handle = fd; } else { /* Other handle types not supported */ return false; } handle->stride = panfrost_get_legacy_stride(&rsrc->image.layout, 0); handle->offset = rsrc->image.layout.slices[0].offset; return true; } 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 pipe_resource *plane_res = util_resource_at_index(prsc, plane); struct panfrost_resource *rsrc = pan_resource(plane_res); switch (param) { case PIPE_RESOURCE_PARAM_STRIDE: *value = panfrost_get_legacy_stride(&rsrc->image.layout, level); 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; case PIPE_RESOURCE_PARAM_NPLANES: *value = util_resource_num(prsc); 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 pipe_surface *ps = NULL; 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 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; /* If constant (non-data-dependent) format is requested, don't AFBC: */ if (pres->base.bind & PIPE_BIND_CONST_BW) return false; /* Only a small selection of formats are AFBC'able */ if (!panfrost_format_supports_afbc(dev->arch, 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_RECT: case PIPE_TEXTURE_2D_ARRAY: case PIPE_TEXTURE_CUBE: case PIPE_TEXTURE_CUBE_ARRAY: 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; } /* * For a resource we want to use AFBC with, should we use AFBC with tiled * headers? On GPUs that support it, this is believed to be beneficial for * images that are at least 128x128. */ static bool panfrost_should_tile_afbc(const struct panfrost_device *dev, const struct panfrost_resource *pres) { return panfrost_afbc_can_tile(dev->arch) && pres->base.width0 >= 128 && pres->base.height0 >= 128 && !(dev->debug & PAN_DBG_FORCE_PACK); } bool panfrost_should_pack_afbc(struct panfrost_device *dev, const struct panfrost_resource *prsrc) { const unsigned valid_binding = PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; return panfrost_afbc_can_pack(prsrc->base.format) && panfrost_is_2d(prsrc) && drm_is_afbc(prsrc->image.layout.modifier) && (prsrc->image.layout.modifier & AFBC_FORMAT_MOD_SPARSE) && (prsrc->base.bind & ~valid_binding) == 0 && !prsrc->modifier_constant && prsrc->base.width0 >= 32 && prsrc->base.height0 >= 32; } 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; /* The purpose of tiling is improving locality in both X- and * Y-directions. If there is only a single pixel in either direction, * tiling does not make sense; using a linear layout instead is optimal * for both memory usage and performance. */ if (MIN2(pres->base.width0, pres->base.height0) < 2) return false; bool can_tile = (pres->base.target != PIPE_BUFFER) && ((pres->base.bind & ~valid_binding) == 0); return can_tile && (pres->base.usage != PIPE_USAGE_STREAM); } static bool panfrost_should_afrc(struct panfrost_device *dev, const struct panfrost_resource *pres, enum pipe_format fmt) { const unsigned valid_binding = PIPE_BIND_RENDER_TARGET | PIPE_BIND_BLENDABLE | PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SHARED; if (pres->base.bind & ~valid_binding) return false; /* AFRC support is optional */ if (!dev->has_afrc) return false; /* AFRC<-->staging is expensive */ if (pres->base.usage == PIPE_USAGE_STREAM) return false; /* Only a small selection of formats are AFRC'able */ if (!panfrost_format_supports_afrc(fmt)) return false; /* AFRC 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_RECT: case PIPE_TEXTURE_2D_ARRAY: case PIPE_TEXTURE_CUBE: case PIPE_TEXTURE_CUBE_ARRAY: case PIPE_TEXTURE_3D: break; default: return false; } return true; } static uint64_t panfrost_best_modifier(struct pipe_screen *pscreen, const struct panfrost_resource *pres, enum pipe_format fmt) { struct panfrost_screen *screen = pan_screen(pscreen); struct panfrost_device *dev = pan_device(pscreen); /* Force linear textures when debugging tiling/compression */ if (unlikely(dev->debug & PAN_DBG_LINEAR)) return DRM_FORMAT_MOD_LINEAR; int afrc_rate = screen->force_afrc_rate; if (afrc_rate < 0) afrc_rate = pres->base.compression_rate; if (afrc_rate > PIPE_COMPRESSION_FIXED_RATE_NONE && panfrost_should_afrc(dev, pres, fmt)) { /* It's not really possible to decide on a global AFRC-rate, * because the set of valid AFRC rates varies from format to * format. So instead, treat this as a minimum rate, and search * for the next valid one. */ for (int i = afrc_rate; i < 12; ++i) { if (panfrost_afrc_get_modifiers(fmt, i, 0, NULL)) { afrc_rate = i; break; } } } if (afrc_rate != PIPE_COMPRESSION_FIXED_RATE_NONE && panfrost_should_afrc(dev, pres, fmt)) { uint64_t mod; unsigned num_mods = 0; STATIC_ASSERT(PIPE_COMPRESSION_FIXED_RATE_DEFAULT == PAN_AFRC_RATE_DEFAULT); num_mods = panfrost_afrc_get_modifiers(fmt, afrc_rate, 1, &mod); if (num_mods > 0) { return mod; } } 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; if (panfrost_should_tile_afbc(dev, pres)) afbc |= AFBC_FORMAT_MOD_TILED | AFBC_FORMAT_MOD_SC; 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) { /* Checksumming is disabled by default due to fundamental unsoundness */ if (!(dev->debug & PAN_DBG_CRC)) return false; /* 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; } static void panfrost_resource_setup(struct pipe_screen *screen, struct panfrost_resource *pres, uint64_t modifier, enum pipe_format fmt) { struct panfrost_device *dev = pan_device(screen); uint64_t chosen_mod = modifier != DRM_FORMAT_MOD_INVALID ? modifier : panfrost_best_modifier(screen, pres, fmt); 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; pres->image.layout = (struct pan_image_layout){ .modifier = chosen_mod, .format = fmt, .dim = dim, .width = pres->base.width0, .height = pres->base.height0, .depth = pres->base.depth0, .array_size = pres->base.array_size, .nr_samples = MAX2(pres->base.nr_samples, 1), .nr_slices = pres->base.last_level + 1, .crc = panfrost_should_checksum(dev, pres), }; /* Update the compression rate with the correct value as we * want the real bitrate and not DEFAULT */ pres->base.compression_rate = panfrost_afrc_get_rate(fmt, chosen_mod); ASSERTED bool valid = pan_image_layout_init(dev->arch, &pres->image.layout, NULL); assert(valid); } static void panfrost_resource_init_afbc_headers(struct panfrost_resource *pres) { panfrost_bo_mmap(pres->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->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; /* Partial updates are implemented with a tile enable map only on v5. * Later architectures have a more efficient method of implementing * partial updates (frame shaders), while earlier architectures lack * tile enable maps altogether. */ if (dev->arch == 5 && 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; } } 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); struct panfrost_resource *so = CALLOC_STRUCT(panfrost_resource); if (!so) return NULL; so->base = *template; so->base.screen = screen; pipe_reference_init(&so->base.reference, 1); util_range_init(&so->valid_buffer_range); if (template->bind & PAN_BIND_SHARED_MASK) { /* For compatibility with older consumers that may not be * modifiers aware, treat INVALID as LINEAR for shared * resources. */ if (modifier == DRM_FORMAT_MOD_INVALID) modifier = DRM_FORMAT_MOD_LINEAR; /* At any rate, we can't change the modifier later for shared * resources, since we have no way to propagate the modifier * change. */ so->modifier_constant = true; } panfrost_resource_setup(screen, 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"; if (dev->ro && (template->bind & PIPE_BIND_SCANOUT)) { struct winsys_handle handle; struct pan_block_size blocksize = panfrost_block_size(modifier, template->format); /* Block-based texture formats are only used for texture * compression (not framebuffer compression!), which doesn't * make sense to share across processes. */ assert(util_format_get_blockwidth(template->format) == 1); assert(util_format_get_blockheight(template->format) == 1); /* Present a resource with similar dimensions that, if allocated * as a linear image, is big enough to fit the resource in the * actual layout. For linear images, this is a no-op. For 16x16 * tiling, this aligns the dimensions to 16x16. * * For AFBC, this aligns the width to the superblock width (as * expected) and adds extra rows to account for the header. This * is a bit of a lie, but it's the best we can do with dumb * buffers, which are extremely not meant for AFBC. And yet this * has to work anyway... * * Moral of the story: if you're reading this comment, that * means you're working on WSI and so it's already too late for * you. I'm sorry. */ unsigned width = ALIGN_POT(template->width0, blocksize.width); unsigned stride = ALIGN_POT(template->width0, blocksize.width) * util_format_get_blocksize(template->format); unsigned size = so->image.layout.data_size; unsigned effective_rows = DIV_ROUND_UP(size, stride); struct pipe_resource scanout_tmpl = { .target = so->base.target, .format = template->format, .width0 = width, .height0 = effective_rows, .depth0 = 1, .array_size = 1, }; so->scanout = renderonly_scanout_for_resource(&scanout_tmpl, dev->ro, &handle); if (!so->scanout) { fprintf(stderr, "Failed to create scanout resource\n"); FREE(so); return NULL; } assert(handle.type == WINSYS_HANDLE_TYPE_FD); so->bo = panfrost_bo_import(dev, handle.handle); close(handle.handle); if (!so->bo) { FREE(so); return NULL; } so->image.data.base = so->bo->ptr.gpu; } else { /* 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 */ uint32_t flags = PAN_BO_DELAY_MMAP; /* If the resource is never exported, we can make the BO private. */ if (template->bind & PIPE_BIND_SHARED) flags |= PAN_BO_SHAREABLE; so->bo = panfrost_bo_create(dev, so->image.layout.data_size, flags, label); if (!so->bo) { FREE(so); return NULL; } so->image.data.base = so->bo->ptr.gpu; so->constant_stencil = true; } 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->bo) panfrost_bo_unreference(rsrc->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 &= ~PAN_BIND_SHARED_MASK; tmpl.compression_rate = PIPE_COMPRESSION_FIXED_RATE_NONE; struct pipe_resource *pstaging = pctx->screen->resource_create(pctx->screen, &tmpl); if (!pstaging) return NULL; return pan_resource(pstaging); } 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 = dst->format; blit.dst.level = trans->base.level; blit.dst.box = trans->base.box; blit.src.resource = trans->staging.rsrc; blit.src.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_no_afbc_legalization(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 = src->format; blit.src.level = trans->base.level; blit.src.box = trans->base.box; blit.dst.resource = trans->staging.rsrc; blit.dst.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_no_afbc_legalization(pctx, &blit); } static void panfrost_load_tiled_images(struct panfrost_transfer *transfer, struct panfrost_resource *rsrc) { struct pipe_transfer *ptrans = &transfer->base; unsigned level = ptrans->level; /* If the requested level of the image is uninitialized, it's not * necessary to copy it. Leave the result unintiialized too. */ if (!BITSET_TEST(rsrc->valid.data, level)) return; struct panfrost_bo *bo = rsrc->bo; unsigned stride = panfrost_get_layer_stride(&rsrc->image.layout, level); /* Otherwise, load each layer separately, required to load from 3D and * array textures. */ for (unsigned z = 0; z < ptrans->box.depth; ++z) { void *dst = transfer->map + (ptrans->layer_stride * z); uint8_t *map = bo->ptr.cpu + rsrc->image.layout.slices[level].offset + (z + ptrans->box.z) * stride; panfrost_load_tiled_image(dst, map, ptrans->box.x, ptrans->box.y, ptrans->box.width, ptrans->box.height, ptrans->stride, rsrc->image.layout.slices[level].row_stride, rsrc->image.layout.format); } } #if MESA_DEBUG static unsigned get_superblock_size(uint32_t *hdr, unsigned uncompressed_size) { /* AFBC superblock layout 0 */ unsigned body_base_ptr_len = 32; unsigned nr_subblocks = 16; unsigned sz_len = 6; /* bits */ unsigned mask = (1 << sz_len) - 1; unsigned size = 0; /* Sum up all of the subblock sizes */ for (int i = 0; i < nr_subblocks; i++) { unsigned bitoffset = body_base_ptr_len + (i * sz_len); unsigned start = bitoffset / 32; unsigned end = (bitoffset + (sz_len - 1)) / 32; unsigned offset = bitoffset % 32; unsigned subblock_size; if (start != end) subblock_size = (hdr[start] >> offset) | (hdr[end] << (32 - offset)); else subblock_size = hdr[start] >> offset; subblock_size = (subblock_size == 1) ? uncompressed_size : subblock_size; size += subblock_size & mask; if (i == 0 && size == 0) return 0; } return size; } static void dump_block(struct panfrost_resource *rsrc, uint32_t idx) { panfrost_bo_wait(rsrc->bo, INT64_MAX, false); uint8_t *ptr = rsrc->bo->ptr.cpu; uint32_t *header = (uint32_t *)(ptr + (idx * AFBC_HEADER_BYTES_PER_TILE)); uint32_t body_base_ptr = header[0]; uint32_t *body = (uint32_t *)(ptr + body_base_ptr); struct pan_block_size block_sz = panfrost_afbc_subblock_size(rsrc->image.layout.modifier); unsigned pixel_sz = util_format_get_blocksize(rsrc->base.format); unsigned uncompressed_size = pixel_sz * block_sz.width * block_sz.height; unsigned size = get_superblock_size(header, uncompressed_size); fprintf(stderr, " Header: %08x %08x %08x %08x (size: %u bytes)\n", header[0], header[1], header[2], header[3], size); if (size > 0) { fprintf(stderr, " Body: %08x %08x %08x %08x\n", body[0], body[1], body[2], body[3]); } else { uint8_t *comp = (uint8_t *)(header + 2); fprintf(stderr, " Color: 0x%02x%02x%02x%02x\n", comp[0], comp[1], comp[2], comp[3]); } fprintf(stderr, "\n"); } void pan_dump_resource(struct panfrost_context *ctx, struct panfrost_resource *rsc) { struct pipe_context *pctx = &ctx->base; struct pipe_resource tmpl = rsc->base; struct pipe_resource *plinear = NULL; struct panfrost_resource *linear = rsc; struct pipe_blit_info blit = {0}; struct pipe_box box; char buffer[1024]; if (rsc->image.layout.modifier != DRM_FORMAT_MOD_LINEAR) { tmpl.bind |= PIPE_BIND_LINEAR; tmpl.bind &= ~PAN_BIND_SHARED_MASK; plinear = pctx->screen->resource_create(pctx->screen, &tmpl); u_box_2d(0, 0, rsc->base.width0, rsc->base.height0, &box); blit.src.resource = &rsc->base; blit.src.format = rsc->base.format; blit.src.level = 0; blit.src.box = box; blit.dst.resource = plinear; blit.dst.format = rsc->base.format; blit.dst.level = 0; blit.dst.box = box; blit.mask = util_format_get_mask(blit.dst.format); blit.filter = PIPE_TEX_FILTER_NEAREST; panfrost_blit(pctx, &blit); linear = pan_resource(plinear); } panfrost_flush_writer(ctx, linear, "dump image"); panfrost_bo_wait(linear->bo, INT64_MAX, false); panfrost_bo_mmap(linear->bo); static unsigned frame_count = 0; frame_count++; snprintf(buffer, sizeof(buffer), "dump_image.%04d", frame_count); debug_dump_image(buffer, rsc->base.format, 0 /* UNUSED */, rsc->base.width0, rsc->base.height0, linear->image.layout.slices[0].row_stride, linear->bo->ptr.cpu); if (plinear) pipe_resource_reference(&plinear, NULL); } #endif /* Get scan-order index from (x, y) position when blocks are * arranged in z-order in 8x8 tiles */ static unsigned get_morton_index(unsigned x, unsigned y, unsigned stride) { unsigned i = ((x << 0) & 1) | ((y << 1) & 2) | ((x << 1) & 4) | ((y << 2) & 8) | ((x << 2) & 16) | ((y << 3) & 32); return (((y & ~7) * stride) + ((x & ~7) << 3)) + i; } static void panfrost_store_tiled_images(struct panfrost_transfer *transfer, struct panfrost_resource *rsrc) { struct panfrost_bo *bo = rsrc->bo; struct pipe_transfer *ptrans = &transfer->base; unsigned level = ptrans->level; unsigned stride = panfrost_get_layer_stride(&rsrc->image.layout, level); /* Otherwise, store each layer separately, required to store to 3D and * array textures. */ for (unsigned z = 0; z < ptrans->box.depth; ++z) { void *src = transfer->map + (ptrans->layer_stride * z); uint8_t *map = bo->ptr.cpu + rsrc->image.layout.slices[level].offset + (z + ptrans->box.z) * stride; panfrost_store_tiled_image(map, src, ptrans->box.x, ptrans->box.y, ptrans->box.width, ptrans->box.height, rsrc->image.layout.slices[level].row_stride, ptrans->stride, rsrc->image.layout.format); } } static bool panfrost_box_covers_resource(const struct pipe_resource *resource, const struct pipe_box *box) { return resource->last_level == 0 && util_texrange_covers_whole_level(resource, 0, box->x, box->y, box->z, box->width, box->height, box->depth); } static bool panfrost_can_discard(struct pipe_resource *resource, const struct pipe_box *box, unsigned usage) { struct panfrost_resource *rsrc = pan_resource(resource); return ((usage & PIPE_MAP_DISCARD_RANGE) && !(usage & PIPE_MAP_UNSYNCHRONIZED) && !(resource->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) && panfrost_box_covers_resource(resource, box) && !(rsrc->bo->flags & PAN_BO_SHARED)); } 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->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; if (usage & PIPE_MAP_WRITE) rsrc->constant_stencil = false; /* We don't have s/w routines for AFBC/AFRC, so use a staging texture */ if (drm_is_afbc(rsrc->image.layout.modifier) || drm_is_afrc(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].row_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 || panfrost_any_batch_writes_rsrc(ctx, rsrc))) { pan_blit_to_staging(pctx, transfer); panfrost_flush_writer(ctx, staging, "AFBC/AFRC tex read staging blit"); panfrost_bo_wait(staging->bo, INT64_MAX, false); } panfrost_bo_mmap(staging->bo); return staging->bo->ptr.cpu; } bool already_mapped = bo->ptr.cpu != NULL; /* 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(dev->decode_ctx, bo->ptr.gpu, bo->ptr.cpu, panfrost_bo_size(bo), NULL); } /* Upgrade writes to uninitialized ranges to UNSYNCHRONIZED */ if ((usage & PIPE_MAP_WRITE) && resource->target == PIPE_BUFFER && !util_ranges_intersect(&rsrc->valid_buffer_range, box->x, box->x + box->width)) { usage |= PIPE_MAP_UNSYNCHRONIZED; } /* Upgrade DISCARD_RANGE to WHOLE_RESOURCE if the whole resource is * being mapped. */ if (panfrost_can_discard(resource, box, usage)) { usage |= PIPE_MAP_DISCARD_WHOLE_RESOURCE; } bool create_new_bo = usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE; bool copy_resource = false; if (!(usage & PIPE_MAP_UNSYNCHRONIZED) && !(resource->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) && (usage & PIPE_MAP_WRITE) && panfrost_any_batch_reads_rsrc(ctx, rsrc)) { /* 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 = !(usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE); } /* Shadowing with separate stencil may require additional accounting. * Bail in these exotic cases. */ if (rsrc->separate_stencil) { create_new_bo = false; copy_resource = false; } if (create_new_bo && (!(resource->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) || !already_mapped)) { /* Make sure we re-emit any descriptors using this resource */ panfrost_dirty_state_all(ctx); /* 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 (panfrost_any_batch_reads_rsrc(ctx, rsrc) || !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, panfrost_bo_size(bo), flags, bo->label); } if (newbo) { if (copy_resource) { memcpy(newbo->ptr.cpu, rsrc->bo->ptr.cpu, panfrost_bo_size(bo)); } /* Swap the pointers, dropping a reference to * the old BO which is no long referenced from * the resource. */ panfrost_bo_unreference(rsrc->bo); rsrc->bo = newbo; rsrc->image.data.base = newbo->ptr.gpu; 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_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); if (usage & PIPE_MAP_READ) panfrost_load_tiled_images(transfer, rsrc); 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].row_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.box.x, transfer->base.box.width); } return bo->ptr.cpu + rsrc->image.layout.slices[level].offset + box->z * transfer->base.layer_stride + box_blocks.y * rsrc->image.layout.slices[level].row_stride + box_blocks.x * bytes_per_block; } } void pan_resource_modifier_convert(struct panfrost_context *ctx, struct panfrost_resource *rsrc, uint64_t modifier, bool copy_resource, const char *reason) { assert(!rsrc->modifier_constant); 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); if (copy_resource) { struct pipe_blit_info blit = { .dst.resource = &tmp_rsrc->base, .dst.format = tmp_rsrc->base.format, .src.resource = &rsrc->base, .src.format = rsrc->base.format, .mask = util_format_get_mask(tmp_rsrc->base.format), .filter = PIPE_TEX_FILTER_NEAREST, }; /* data_valid is not valid until flushed */ panfrost_flush_writer(ctx, rsrc, "AFBC/AFRC decompressing blit"); for (int i = 0; i <= rsrc->base.last_level; i++) { if (BITSET_TEST(rsrc->valid.data, i)) { blit.dst.level = blit.src.level = i; u_box_3d(0, 0, 0, u_minify(rsrc->base.width0, i), u_minify(rsrc->base.height0, i), util_num_layers(&rsrc->base, i), &blit.dst.box); blit.src.box = blit.dst.box; panfrost_blit_no_afbc_legalization(&ctx->base, &blit); } } /* we lose track of tmp_rsrc after this point, and the BO migration * (from tmp_rsrc to rsrc) doesn't transfer the last_writer to rsrc */ panfrost_flush_writer(ctx, tmp_rsrc, "AFBC/AFRC decompressing blit"); } panfrost_bo_unreference(rsrc->bo); rsrc->bo = tmp_rsrc->bo; rsrc->image.data.base = rsrc->bo->ptr.gpu; panfrost_bo_reference(rsrc->bo); panfrost_resource_setup(ctx->base.screen, rsrc, modifier, tmp_rsrc->base.format); /* panfrost_resource_setup will force the modifier to stay constant when * called with a specific modifier. We don't want that here, we want to * be able to convert back to another modifier if needed */ rsrc->modifier_constant = false; pipe_resource_reference(&tmp_prsrc, NULL); } /* Validate that an AFBC/AFRC 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_format(struct panfrost_context *ctx, struct panfrost_resource *rsrc, enum pipe_format format, bool write, bool discard) { struct panfrost_device *dev = pan_device(ctx->base.screen); enum pipe_format old_format = rsrc->base.format; enum pipe_format new_format = format; bool compatible = true; if (!drm_is_afbc(rsrc->image.layout.modifier) && !drm_is_afrc(rsrc->image.layout.modifier)) return; if (drm_is_afbc(rsrc->image.layout.modifier)) { compatible = (panfrost_afbc_format(dev->arch, old_format) == panfrost_afbc_format(dev->arch, new_format)); } else if (drm_is_afrc(rsrc->image.layout.modifier)) { struct pan_afrc_format_info old_info = panfrost_afrc_get_format_info(old_format); struct pan_afrc_format_info new_info = panfrost_afrc_get_format_info(new_format); compatible = !memcmp(&old_info, &new_info, sizeof(old_info)); } if (!compatible) { pan_resource_modifier_convert( ctx, rsrc, DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED, !discard, drm_is_afbc(rsrc->image.layout.modifier) ? "Reinterpreting AFBC surface as incompatible format" : "Reinterpreting AFRC surface as incompatible format"); return; } /* Can't write to AFBC-P resources */ if (write && drm_is_afbc(rsrc->image.layout.modifier) && (rsrc->image.layout.modifier & AFBC_FORMAT_MOD_SPARSE) == 0) { pan_resource_modifier_convert( ctx, rsrc, rsrc->image.layout.modifier | AFBC_FORMAT_MOD_SPARSE, !discard, "Legalizing resource to allow writing"); } } static bool panfrost_should_linear_convert(struct panfrost_context *ctx, 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. * * This mechanism is only implemented for 2D resources. This suffices * for video players, its intended use case. */ bool entire_overwrite = panfrost_is_2d(prsrc) && prsrc->base.last_level == 0 && transfer->box.width == prsrc->base.width0 && transfer->box.height == prsrc->base.height0 && transfer->box.x == 0 && transfer->box.y == 0; if (entire_overwrite) ++prsrc->modifier_updates; if (prsrc->modifier_updates >= LAYOUT_CONVERT_THRESHOLD) { perf_debug(ctx, "Transitioning to linear due to streaming usage"); return true; } else { return false; } } struct panfrost_bo * panfrost_get_afbc_superblock_sizes(struct panfrost_context *ctx, struct panfrost_resource *rsrc, unsigned first_level, unsigned last_level, unsigned *out_offsets) { struct panfrost_screen *screen = pan_screen(ctx->base.screen); struct panfrost_device *dev = pan_device(ctx->base.screen); struct panfrost_batch *batch; struct panfrost_bo *bo; unsigned metadata_size = 0; for (int level = first_level; level <= last_level; ++level) { struct pan_image_slice_layout *slice = &rsrc->image.layout.slices[level]; unsigned sz = slice->afbc.nr_blocks * sizeof(struct pan_afbc_block_info); out_offsets[level - first_level] = metadata_size; metadata_size += sz; } panfrost_flush_batches_accessing_rsrc(ctx, rsrc, "AFBC before size flush"); batch = panfrost_get_fresh_batch_for_fbo(ctx, "AFBC superblock sizes"); bo = panfrost_bo_create(dev, metadata_size, 0, "AFBC superblock sizes"); assert(bo); for (int level = first_level; level <= last_level; ++level) { unsigned offset = out_offsets[level - first_level]; screen->vtbl.afbc_size(batch, rsrc, bo, offset, level); } panfrost_flush_batches_accessing_rsrc(ctx, rsrc, "AFBC after size flush"); return bo; } void panfrost_pack_afbc(struct panfrost_context *ctx, struct panfrost_resource *prsrc) { struct panfrost_screen *screen = pan_screen(ctx->base.screen); struct panfrost_device *dev = pan_device(ctx->base.screen); struct panfrost_bo *metadata_bo; unsigned metadata_offsets[PIPE_MAX_TEXTURE_LEVELS]; uint64_t src_modifier = prsrc->image.layout.modifier; uint64_t dst_modifier = src_modifier & ~(AFBC_FORMAT_MOD_TILED | AFBC_FORMAT_MOD_SPARSE); bool is_tiled = src_modifier & AFBC_FORMAT_MOD_TILED; unsigned last_level = prsrc->base.last_level; struct pan_image_slice_layout slice_infos[PIPE_MAX_TEXTURE_LEVELS] = {0}; unsigned total_size = 0; /* It doesn't make sense to pack everything if we need to unpack right * away to upload data to another level */ for (int i = 0; i <= last_level; i++) { if (!BITSET_TEST(prsrc->valid.data, i)) return; } metadata_bo = panfrost_get_afbc_superblock_sizes(ctx, prsrc, 0, last_level, metadata_offsets); panfrost_bo_wait(metadata_bo, INT64_MAX, false); for (unsigned level = 0; level <= last_level; ++level) { struct pan_image_slice_layout *src_slice = &prsrc->image.layout.slices[level]; struct pan_image_slice_layout *dst_slice = &slice_infos[level]; unsigned width = u_minify(prsrc->base.width0, level); unsigned height = u_minify(prsrc->base.height0, level); unsigned src_stride = pan_afbc_stride_blocks(src_modifier, src_slice->row_stride); unsigned dst_stride = DIV_ROUND_UP(width, panfrost_afbc_superblock_width(dst_modifier)); unsigned dst_height = DIV_ROUND_UP(height, panfrost_afbc_superblock_height(dst_modifier)); uint32_t offset = 0; struct pan_afbc_block_info *meta = metadata_bo->ptr.cpu + metadata_offsets[level]; for (unsigned y = 0, i = 0; y < dst_height; ++y) { for (unsigned x = 0; x < dst_stride; ++x, ++i) { unsigned idx = is_tiled ? get_morton_index(x, y, src_stride) : i; uint32_t size = meta[idx].size; meta[idx].offset = offset; /* write the start offset */ offset += size; } } total_size = ALIGN_POT(total_size, pan_slice_align(dst_modifier)); { dst_slice->afbc.stride = dst_stride; dst_slice->afbc.nr_blocks = dst_stride * dst_height; dst_slice->afbc.header_size = ALIGN_POT(dst_stride * dst_height * AFBC_HEADER_BYTES_PER_TILE, pan_afbc_body_align(dst_modifier)); dst_slice->afbc.body_size = offset; dst_slice->afbc.surface_stride = dst_slice->afbc.header_size + offset; dst_slice->offset = total_size; dst_slice->row_stride = dst_stride * AFBC_HEADER_BYTES_PER_TILE; dst_slice->surface_stride = dst_slice->afbc.surface_stride; dst_slice->size = dst_slice->afbc.surface_stride; } total_size += dst_slice->afbc.surface_stride; } unsigned new_size = ALIGN_POT(total_size, 4096); // FIXME unsigned old_size = panfrost_bo_size(prsrc->bo); unsigned ratio = 100 * new_size / old_size; if (ratio > screen->max_afbc_packing_ratio) return; perf_debug(ctx, "%i%%: %i KB -> %i KB\n", ratio, old_size / 1024, new_size / 1024); struct panfrost_bo *dst = panfrost_bo_create(dev, new_size, 0, "AFBC compact texture"); assert(dst); struct panfrost_batch *batch = panfrost_get_fresh_batch_for_fbo(ctx, "AFBC compaction"); for (unsigned level = 0; level <= last_level; ++level) { struct pan_image_slice_layout *slice = &slice_infos[level]; screen->vtbl.afbc_pack(batch, prsrc, dst, slice, metadata_bo, metadata_offsets[level], level); prsrc->image.layout.slices[level] = *slice; } panfrost_flush_batches_accessing_rsrc(ctx, prsrc, "AFBC compaction flush"); prsrc->image.layout.modifier = dst_modifier; panfrost_bo_unreference(prsrc->bo); prsrc->bo = dst; prsrc->image.data.base = dst->ptr.gpu; panfrost_bo_unreference(metadata_bo); } static void panfrost_ptr_unmap(struct pipe_context *pctx, struct pipe_transfer *transfer) { /* Gallium expects writeback here, so we tile */ struct panfrost_context *ctx = pan_context(pctx); struct pipe_screen *screen = ctx->base.screen; 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/AFRC 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/AFRC data if uninitialized */ if (trans->staging.rsrc) { if (transfer->usage & PIPE_MAP_WRITE) { if (panfrost_should_linear_convert(ctx, prsrc, transfer)) { panfrost_bo_unreference(prsrc->bo); panfrost_resource_setup(screen, prsrc, DRM_FORMAT_MOD_LINEAR, prsrc->image.layout.format); prsrc->bo = pan_resource(trans->staging.rsrc)->bo; prsrc->image.data.base = prsrc->bo->ptr.gpu; panfrost_bo_reference(prsrc->bo); } else { bool discard = panfrost_can_discard(&prsrc->base, &transfer->box, transfer->usage); pan_legalize_format(ctx, prsrc, prsrc->image.layout.format, true, discard); pan_blit_from_staging(pctx, trans); panfrost_flush_batches_accessing_rsrc( ctx, pan_resource(trans->staging.rsrc), "AFBC write staging blit"); if (pan_screen(pctx->screen)->force_afbc_packing) { if (panfrost_should_pack_afbc(dev, prsrc)) panfrost_pack_afbc(ctx, prsrc); } } } 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->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) { if (panfrost_should_linear_convert(ctx, prsrc, transfer)) { panfrost_resource_setup(screen, prsrc, DRM_FORMAT_MOD_LINEAR, prsrc->image.layout.format); if (prsrc->image.layout.data_size > panfrost_bo_size(bo)) { const char *label = bo->label; panfrost_bo_unreference(bo); bo = prsrc->bo = panfrost_bo_create( dev, prsrc->image.layout.data_size, 0, label); prsrc->image.data.base = prsrc->bo->ptr.gpu; assert(bo); } util_copy_rect( bo->ptr.cpu + prsrc->image.layout.slices[0].offset, prsrc->base.format, prsrc->image.layout.slices[0].row_stride, 0, 0, transfer->box.width, transfer->box.height, trans->map, transfer->stride, 0, 0); } else { panfrost_store_tiled_images(trans, prsrc); } } } } util_range_add(&prsrc->base, &prsrc->valid_buffer_range, transfer->box.x, transfer->box.x + transfer->box.width); if (transfer->usage & PIPE_MAP_WRITE) { panfrost_minmax_cache_invalidate(prsrc->index_cache, transfer->box.x, transfer->box.width); } /* 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); struct panfrost_resource *rsrc = pan_resource(prsrc); rsrc->constant_stencil = true; /* 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; } void panfrost_set_image_view_planes(struct pan_image_view *iview, struct pipe_resource *texture) { struct panfrost_resource *prsrc_plane = (struct panfrost_resource *)texture; for (int i = 0; i < MAX_IMAGE_PLANES && prsrc_plane; i++) { iview->planes[i] = &prsrc_plane->image; prsrc_plane = (struct panfrost_resource *)prsrc_plane->base.next; } } 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); perf_debug(pan_context(pctx), "Unoptimized mipmap generation"); /* 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->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) { 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, U_TRANSFER_HELPER_SEPARATE_Z32S8 | U_TRANSFER_HELPER_MSAA_MAP); } 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; pctx->clear_buffer = u_default_clear_buffer; pctx->clear_render_target = panfrost_clear_render_target; pctx->clear_depth_stencil = panfrost_clear_depth_stencil; }