/* * Copyright © Microsoft Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include "d3d12_resource.h" #include "d3d12_blit.h" #include "d3d12_context.h" #include "d3d12_format.h" #include "d3d12_screen.h" #include "d3d12_debug.h" #include "pipebuffer/pb_bufmgr.h" #include "util/slab.h" #include "util/format/u_format.h" #include "util/u_inlines.h" #include "util/u_memory.h" #include "util/format/u_format_zs.h" #include "frontend/sw_winsys.h" #include #include static bool can_map_directly(struct pipe_resource *pres) { return pres->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_SHARED | PIPE_BIND_LINEAR) || pres->target == PIPE_BUFFER; } static void init_valid_range(struct d3d12_resource *res) { if (can_map_directly(&res->base)) util_range_init(&res->valid_buffer_range); } static void d3d12_resource_destroy(struct pipe_screen *pscreen, struct pipe_resource *presource) { struct d3d12_resource *resource = d3d12_resource(presource); if (can_map_directly(presource)) util_range_destroy(&resource->valid_buffer_range); if (resource->bo) d3d12_bo_unreference(resource->bo); FREE(resource); } static bool resource_is_busy(struct d3d12_context *ctx, struct d3d12_resource *res) { bool busy = false; for (unsigned i = 0; i < ARRAY_SIZE(ctx->batches); i++) busy |= d3d12_batch_has_references(&ctx->batches[i], res->bo); return busy; } void d3d12_resource_wait_idle(struct d3d12_context *ctx, struct d3d12_resource *res) { if (d3d12_batch_has_references(d3d12_current_batch(ctx), res->bo)) { d3d12_flush_cmdlist_and_wait(ctx); } else { d3d12_foreach_submitted_batch(ctx, batch) { d3d12_reset_batch(ctx, batch, PIPE_TIMEOUT_INFINITE); if (!resource_is_busy(ctx, res)) break; } } } void d3d12_resource_release(struct d3d12_resource *resource) { if (!resource->bo) return; d3d12_bo_unreference(resource->bo); resource->bo = NULL; } static bool init_buffer(struct d3d12_screen *screen, struct d3d12_resource *res, const struct pipe_resource *templ) { struct pb_desc buf_desc; struct pb_manager *bufmgr; struct pb_buffer *buf; /* Assert that we don't want to create a buffer with one of the emulated * formats, these are (currently) only supported when passing the vertex * element state */ assert(templ->format == d3d12_emulated_vtx_format(templ->format)); /* Don't use slab buffer manager for GPU writable buffers */ bufmgr = templ->bind & PIPE_BIND_STREAM_OUTPUT ? screen->cache_bufmgr : screen->slab_bufmgr; buf_desc.alignment = D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT; buf_desc.usage = (pb_usage_flags)PB_USAGE_ALL; res->dxgi_format = DXGI_FORMAT_UNKNOWN; buf = bufmgr->create_buffer(bufmgr, templ->width0, &buf_desc); if (!buf) return false; res->bo = d3d12_bo_wrap_buffer(buf); return true; } static bool init_texture(struct d3d12_screen *screen, struct d3d12_resource *res, const struct pipe_resource *templ) { ID3D12Resource *d3d12_res; res->mip_levels = templ->last_level + 1; res->dxgi_format = d3d12_get_format(templ->format); D3D12_RESOURCE_DESC desc; desc.Format = res->dxgi_format; desc.Alignment = D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT; desc.Width = templ->width0; desc.Height = templ->height0; desc.DepthOrArraySize = templ->array_size; desc.MipLevels = templ->last_level + 1; desc.SampleDesc.Count = MAX2(templ->nr_samples, 1); desc.SampleDesc.Quality = 0; /* TODO: figure this one out */ switch (templ->target) { case PIPE_TEXTURE_1D: case PIPE_TEXTURE_1D_ARRAY: desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE1D; break; case PIPE_TEXTURE_CUBE: case PIPE_TEXTURE_CUBE_ARRAY: desc.DepthOrArraySize *= 6; /* fall-through */ case PIPE_TEXTURE_2D: case PIPE_TEXTURE_2D_ARRAY: case PIPE_TEXTURE_RECT: desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D; break; case PIPE_TEXTURE_3D: desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE3D; desc.DepthOrArraySize = templ->depth0; break; default: unreachable("Invalid texture type"); } desc.Flags = D3D12_RESOURCE_FLAG_NONE; if (templ->bind & PIPE_BIND_SHADER_BUFFER) desc.Flags |= D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS; if (templ->bind & PIPE_BIND_RENDER_TARGET) desc.Flags |= D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET; if (templ->bind & PIPE_BIND_DEPTH_STENCIL) { desc.Flags |= D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL; /* Sadly, we can't set D3D12_RESOURCE_FLAG_DENY_SHADER_RESOURCE in the * case where PIPE_BIND_SAMPLER_VIEW isn't set, because that would * prevent us from using the resource with u_blitter, which requires * sneaking in sampler-usage throught the back-door. */ } desc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN; if (templ->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_SHARED | PIPE_BIND_LINEAR)) desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR; D3D12_HEAP_TYPE heap_type = D3D12_HEAP_TYPE_DEFAULT; if (templ->bind & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED)) heap_type = D3D12_HEAP_TYPE_READBACK; else if (templ->usage == PIPE_USAGE_STAGING) heap_type = D3D12_HEAP_TYPE_UPLOAD; D3D12_HEAP_PROPERTIES heap_pris = screen->dev->GetCustomHeapProperties(0, heap_type); HRESULT hres = screen->dev->CreateCommittedResource(&heap_pris, D3D12_HEAP_FLAG_NONE, &desc, D3D12_RESOURCE_STATE_COMMON, NULL, __uuidof(ID3D12Resource), (void **)&d3d12_res); if (FAILED(hres)) return false; if (screen->winsys && (templ->bind & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED))) { struct sw_winsys *winsys = screen->winsys; res->dt = winsys->displaytarget_create(screen->winsys, res->base.bind, res->base.format, templ->width0, templ->height0, 64, NULL, &res->dt_stride); } res->bo = d3d12_bo_wrap_res(d3d12_res, templ->format); return true; } static struct pipe_resource * d3d12_resource_create(struct pipe_screen *pscreen, const struct pipe_resource *templ) { struct d3d12_screen *screen = d3d12_screen(pscreen); struct d3d12_resource *res = CALLOC_STRUCT(d3d12_resource); bool ret; res->base = *templ; if (D3D12_DEBUG_RESOURCE & d3d12_debug) { debug_printf("D3D12: Create %sresource %s@%d %dx%dx%d as:%d mip:%d\n", templ->usage == PIPE_USAGE_STAGING ? "STAGING " :"", util_format_name(templ->format), templ->nr_samples, templ->width0, templ->height0, templ->depth0, templ->array_size, templ->last_level); } pipe_reference_init(&res->base.reference, 1); res->base.screen = pscreen; if (templ->target == PIPE_BUFFER) { ret = init_buffer(screen, res, templ); } else { ret = init_texture(screen, res, templ); } if (!ret) { FREE(res); return NULL; } init_valid_range(res); return &res->base; } static struct pipe_resource * d3d12_resource_from_handle(struct pipe_screen *pscreen, const struct pipe_resource *templ, struct winsys_handle *handle, unsigned usage) { if (handle->type != WINSYS_HANDLE_TYPE_D3D12_RES) return NULL; struct d3d12_resource *res = CALLOC_STRUCT(d3d12_resource); if (!res) return NULL; res->base = *templ; pipe_reference_init(&res->base.reference, 1); res->base.screen = pscreen; res->dxgi_format = templ->target == PIPE_BUFFER ? DXGI_FORMAT_UNKNOWN : d3d12_get_format(templ->format); res->bo = d3d12_bo_wrap_res((ID3D12Resource *)handle->com_obj, templ->format); init_valid_range(res); return &res->base; } static bool d3d12_resource_get_handle(struct pipe_screen *pscreen, struct pipe_context *pcontext, struct pipe_resource *pres, struct winsys_handle *handle, unsigned usage) { struct d3d12_resource *res = d3d12_resource(pres); if (handle->type != WINSYS_HANDLE_TYPE_D3D12_RES) return false; handle->com_obj = d3d12_resource_resource(res); return true; } void d3d12_screen_resource_init(struct pipe_screen *pscreen) { pscreen->resource_create = d3d12_resource_create; pscreen->resource_from_handle = d3d12_resource_from_handle; pscreen->resource_get_handle = d3d12_resource_get_handle; pscreen->resource_destroy = d3d12_resource_destroy; } unsigned int get_subresource_id(struct d3d12_resource *res, unsigned resid, unsigned z, unsigned base_level) { unsigned resource_stride = res->base.last_level + 1; if (res->base.target == PIPE_TEXTURE_1D_ARRAY || res->base.target == PIPE_TEXTURE_2D_ARRAY) resource_stride *= res->base.array_size; if (res->base.target == PIPE_TEXTURE_CUBE) resource_stride *= 6; if (res->base.target == PIPE_TEXTURE_CUBE_ARRAY) resource_stride *= 6 * res->base.array_size; unsigned layer_stride = res->base.last_level + 1; return resid * resource_stride + z * layer_stride + base_level; } static D3D12_TEXTURE_COPY_LOCATION fill_texture_location(struct d3d12_resource *res, struct d3d12_transfer *trans, unsigned resid, unsigned z) { D3D12_TEXTURE_COPY_LOCATION tex_loc = {0}; int subres = get_subresource_id(res, resid, z, trans->base.level); tex_loc.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX; tex_loc.SubresourceIndex = subres; tex_loc.pResource = d3d12_resource_resource(res); return tex_loc; } static D3D12_TEXTURE_COPY_LOCATION fill_buffer_location(struct d3d12_context *ctx, struct d3d12_resource *res, struct d3d12_resource *staging_res, struct d3d12_transfer *trans, unsigned depth, unsigned resid, unsigned z) { D3D12_TEXTURE_COPY_LOCATION buf_loc = {0}; D3D12_PLACED_SUBRESOURCE_FOOTPRINT footprint; uint64_t offset = 0; auto descr = d3d12_resource_underlying(res, &offset)->GetDesc(); ID3D12Device* dev = d3d12_screen(ctx->base.screen)->dev; unsigned sub_resid = get_subresource_id(res, resid, z, trans->base.level); dev->GetCopyableFootprints(&descr, sub_resid, 1, 0, &footprint, nullptr, nullptr, nullptr); buf_loc.Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT; buf_loc.pResource = d3d12_resource_underlying(staging_res, &offset); buf_loc.PlacedFootprint = footprint; buf_loc.PlacedFootprint.Offset += offset; buf_loc.PlacedFootprint.Footprint.Width = ALIGN(trans->base.box.width, util_format_get_blockwidth(res->base.format)); buf_loc.PlacedFootprint.Footprint.Height = ALIGN(trans->base.box.height, util_format_get_blockheight(res->base.format)); buf_loc.PlacedFootprint.Footprint.Depth = ALIGN(depth, util_format_get_blockdepth(res->base.format)); buf_loc.PlacedFootprint.Footprint.RowPitch = trans->base.stride; return buf_loc; } struct copy_info { struct d3d12_resource *dst; D3D12_TEXTURE_COPY_LOCATION dst_loc; UINT dst_x, dst_y, dst_z; struct d3d12_resource *src; D3D12_TEXTURE_COPY_LOCATION src_loc; D3D12_BOX *src_box; }; static void copy_texture_region(struct d3d12_context *ctx, struct copy_info& info) { auto batch = d3d12_current_batch(ctx); d3d12_batch_reference_resource(batch, info.src); d3d12_batch_reference_resource(batch, info.dst); d3d12_transition_resource_state(ctx, info.src, D3D12_RESOURCE_STATE_COPY_SOURCE); d3d12_transition_resource_state(ctx, info.dst, D3D12_RESOURCE_STATE_COPY_DEST); d3d12_apply_resource_states(ctx); ctx->cmdlist->CopyTextureRegion(&info.dst_loc, info.dst_x, info.dst_y, info.dst_z, &info.src_loc, info.src_box); } static void transfer_buf_to_image_part(struct d3d12_context *ctx, struct d3d12_resource *res, struct d3d12_resource *staging_res, struct d3d12_transfer *trans, int z, int depth, int start_z, int dest_z, int resid) { if (D3D12_DEBUG_RESOURCE & d3d12_debug) { debug_printf("D3D12: Copy %dx%dx%d + %dx%dx%d from buffer %s to image %s\n", trans->base.box.x, trans->base.box.y, trans->base.box.z, trans->base.box.width, trans->base.box.height, trans->base.box.depth, util_format_name(staging_res->base.format), util_format_name(res->base.format)); } struct copy_info copy_info; copy_info.src = staging_res; copy_info.src_loc = fill_buffer_location(ctx, res, staging_res, trans, depth, resid, z); copy_info.src_loc.PlacedFootprint.Offset = (z - start_z) * trans->base.layer_stride; copy_info.src_box = nullptr; copy_info.dst = res; copy_info.dst_loc = fill_texture_location(res, trans, resid, z); copy_info.dst_x = trans->base.box.x; copy_info.dst_y = trans->base.box.y; copy_info.dst_z = res->base.target == PIPE_TEXTURE_CUBE ? 0 : dest_z; copy_info.src_box = nullptr; copy_texture_region(ctx, copy_info); } static bool transfer_buf_to_image(struct d3d12_context *ctx, struct d3d12_resource *res, struct d3d12_resource *staging_res, struct d3d12_transfer *trans, int resid) { if (res->base.target == PIPE_TEXTURE_3D) { assert(resid == 0); transfer_buf_to_image_part(ctx, res, staging_res, trans, 0, trans->base.box.depth, 0, trans->base.box.z, 0); } else { int num_layers = trans->base.box.depth; int start_z = trans->base.box.z; for (int z = start_z; z < start_z + num_layers; ++z) { transfer_buf_to_image_part(ctx, res, staging_res, trans, z, 1, start_z, 0, resid); } } return true; } static void transfer_image_part_to_buf(struct d3d12_context *ctx, struct d3d12_resource *res, struct d3d12_resource *staging_res, struct d3d12_transfer *trans, unsigned resid, int z, int start_layer, int start_box_z, int depth) { struct pipe_box *box = &trans->base.box; D3D12_BOX src_box = {}; struct copy_info copy_info; copy_info.src_box = nullptr; copy_info.src = res; copy_info.src_loc = fill_texture_location(res, trans, resid, z); copy_info.dst = staging_res; copy_info.dst_loc = fill_buffer_location(ctx, res, staging_res, trans, depth, resid, z); copy_info.dst_loc.PlacedFootprint.Offset = (z - start_layer) * trans->base.layer_stride; copy_info.dst_x = copy_info.dst_y = copy_info.dst_z = 0; if (!util_texrange_covers_whole_level(&res->base, trans->base.level, box->x, box->y, start_box_z, box->width, box->height, depth)) { src_box.left = box->x; src_box.right = box->x + box->width; src_box.top = box->y; src_box.bottom = box->y + box->height; src_box.front = start_box_z; src_box.back = start_box_z + depth; copy_info.src_box = &src_box; } copy_texture_region(ctx, copy_info); } static bool transfer_image_to_buf(struct d3d12_context *ctx, struct d3d12_resource *res, struct d3d12_resource *staging_res, struct d3d12_transfer *trans, unsigned resid) { /* We only suppport loading from either an texture array * or a ZS texture, so either resid is zero, or num_layers == 1) */ assert(resid == 0 || trans->base.box.depth == 1); if (D3D12_DEBUG_RESOURCE & d3d12_debug) { debug_printf("D3D12: Copy %dx%dx%d + %dx%dx%d from %s@%d to %s\n", trans->base.box.x, trans->base.box.y, trans->base.box.z, trans->base.box.width, trans->base.box.height, trans->base.box.depth, util_format_name(res->base.format), resid, util_format_name(staging_res->base.format)); } struct pipe_resource *resolved_resource = nullptr; if (res->base.nr_samples > 1) { struct pipe_resource tmpl = res->base; tmpl.nr_samples = 0; resolved_resource = d3d12_resource_create(ctx->base.screen, &tmpl); struct pipe_blit_info resolve_info = {0}; struct pipe_box box = {0,0,0, (int)res->base.width0, (int16_t)res->base.height0, (int16_t)res->base.depth0}; resolve_info.dst.resource = resolved_resource; resolve_info.dst.box = box; resolve_info.dst.format = res->base.format; resolve_info.src.resource = &res->base; resolve_info.src.box = box; resolve_info.src.format = res->base.format; resolve_info.filter = PIPE_TEX_FILTER_NEAREST; resolve_info.mask = util_format_get_mask(tmpl.format); d3d12_blit(&ctx->base, &resolve_info); res = (struct d3d12_resource *)resolved_resource; } if (res->base.target == PIPE_TEXTURE_3D) { transfer_image_part_to_buf(ctx, res, staging_res, trans, resid, 0, 0, trans->base.box.z, trans->base.box.depth); } else { int start_layer = trans->base.box.z; for (int z = start_layer; z < start_layer + trans->base.box.depth; ++z) { transfer_image_part_to_buf(ctx, res, staging_res, trans, resid, z, start_layer, 0, 1); } } pipe_resource_reference(&resolved_resource, NULL); return true; } static unsigned linear_offset(int x, int y, int z, unsigned stride, unsigned layer_stride) { return x + y * stride + z * layer_stride; } static D3D12_RANGE linear_range(const struct pipe_box *box, unsigned stride, unsigned layer_stride) { D3D12_RANGE range; range.Begin = linear_offset(box->x, box->y, box->z, stride, layer_stride); range.End = linear_offset(box->x + box->width, box->y + box->height - 1, box->z + box->depth - 1, stride, layer_stride); return range; } static bool synchronize(struct d3d12_context *ctx, struct d3d12_resource *res, unsigned usage, D3D12_RANGE *range) { assert(can_map_directly(&res->base)); /* Check whether that range contains valid data; if not, we might not need to sync */ if (!(usage & PIPE_MAP_UNSYNCHRONIZED) && usage & PIPE_MAP_WRITE && !util_ranges_intersect(&res->valid_buffer_range, range->Begin, range->End)) { usage |= PIPE_MAP_UNSYNCHRONIZED; } if (!(usage & PIPE_MAP_UNSYNCHRONIZED) && resource_is_busy(ctx, res)) { if (usage & PIPE_MAP_DONTBLOCK) return false; d3d12_resource_wait_idle(ctx, res); } if (usage & PIPE_MAP_WRITE) util_range_add(&res->base, &res->valid_buffer_range, range->Begin, range->End); return true; } /* A wrapper to make sure local resources are freed and unmapped with * any exit path */ struct local_resource { local_resource(pipe_screen *s, struct pipe_resource *tmpl) { res = d3d12_resource(d3d12_resource_create(s, tmpl)); } ~local_resource() { if (res) { if (mapped) d3d12_bo_unmap(res->bo, nullptr); pipe_resource_reference((struct pipe_resource **)&res, NULL); } } void * map() { void *ptr; ptr = d3d12_bo_map(res->bo, nullptr); if (ptr) mapped = true; return ptr; } void unmap() { if (mapped) d3d12_bo_unmap(res->bo, nullptr); mapped = false; } operator struct d3d12_resource *() { return res; } bool operator !() { return !res; } private: struct d3d12_resource *res; bool mapped; }; /* Combined depth-stencil needs a special handling for reading back: DX handled * depth and stencil parts as separate resources and handles copying them only * by using seperate texture copy calls with different formats. So create two * buffers, read back both resources and interleave the data. */ static void prepare_zs_layer_strides(struct d3d12_resource *res, const struct pipe_box *box, struct d3d12_transfer *trans) { trans->base.stride = align(util_format_get_stride(res->base.format, box->width), D3D12_TEXTURE_DATA_PITCH_ALIGNMENT); trans->base.layer_stride = util_format_get_2d_size(res->base.format, trans->base.stride, box->height); } static void * read_zs_surface(struct d3d12_context *ctx, struct d3d12_resource *res, const struct pipe_box *box, struct d3d12_transfer *trans) { pipe_screen *pscreen = ctx->base.screen; prepare_zs_layer_strides(res, box, trans); struct pipe_resource tmpl; memset(&tmpl, 0, sizeof tmpl); tmpl.target = PIPE_BUFFER; tmpl.format = PIPE_FORMAT_R32_UNORM; tmpl.bind = 0; tmpl.usage = PIPE_USAGE_STAGING; tmpl.flags = 0; tmpl.width0 = trans->base.layer_stride; tmpl.height0 = 1; tmpl.depth0 = 1; tmpl.array_size = 1; local_resource depth_buffer(pscreen, &tmpl); if (!depth_buffer) { debug_printf("Allocating staging buffer for depth failed\n"); return NULL; } if (!transfer_image_to_buf(ctx, res, depth_buffer, trans, 0)) return NULL; tmpl.format = PIPE_FORMAT_R8_UINT; local_resource stencil_buffer(pscreen, &tmpl); if (!stencil_buffer) { debug_printf("Allocating staging buffer for stencilfailed\n"); return NULL; } if (!transfer_image_to_buf(ctx, res, stencil_buffer, trans, 1)) return NULL; d3d12_flush_cmdlist_and_wait(ctx); void *depth_ptr = depth_buffer.map(); if (!depth_ptr) { debug_printf("Mapping staging depth buffer failed\n"); return NULL; } uint8_t *stencil_ptr = (uint8_t *)stencil_buffer.map(); if (!stencil_ptr) { debug_printf("Mapping staging stencil buffer failed\n"); return NULL; } uint8_t *buf = (uint8_t *)malloc(trans->base.layer_stride); if (!buf) return NULL; trans->data = buf; switch (res->base.format) { case PIPE_FORMAT_Z24_UNORM_S8_UINT: util_format_z24_unorm_s8_uint_pack_separate(buf, trans->base.stride, (uint32_t *)depth_ptr, trans->base.stride, stencil_ptr, trans->base.stride, trans->base.box.width, trans->base.box.height); break; case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: util_format_z32_float_s8x24_uint_pack_z_float(buf, trans->base.stride, (float *)depth_ptr, trans->base.stride, trans->base.box.width, trans->base.box.height); util_format_z32_float_s8x24_uint_pack_s_8uint(buf, trans->base.stride, stencil_ptr, trans->base.stride, trans->base.box.width, trans->base.box.height); break; default: unreachable("Unsupported depth steancil format"); }; return trans->data; } static void * prepare_write_zs_surface(struct d3d12_resource *res, const struct pipe_box *box, struct d3d12_transfer *trans) { prepare_zs_layer_strides(res, box, trans); uint32_t *buf = (uint32_t *)malloc(trans->base.layer_stride); if (!buf) return NULL; trans->data = buf; return trans->data; } static void write_zs_surface(struct pipe_context *pctx, struct d3d12_resource *res, struct d3d12_transfer *trans) { struct pipe_resource tmpl; memset(&tmpl, 0, sizeof tmpl); tmpl.target = PIPE_BUFFER; tmpl.format = PIPE_FORMAT_R32_UNORM; tmpl.bind = 0; tmpl.usage = PIPE_USAGE_STAGING; tmpl.flags = 0; tmpl.width0 = trans->base.layer_stride; tmpl.height0 = 1; tmpl.depth0 = 1; tmpl.array_size = 1; local_resource depth_buffer(pctx->screen, &tmpl); if (!depth_buffer) { debug_printf("Allocating staging buffer for depth failed\n"); return; } local_resource stencil_buffer(pctx->screen, &tmpl); if (!stencil_buffer) { debug_printf("Allocating staging buffer for depth failed\n"); return; } void *depth_ptr = depth_buffer.map(); if (!depth_ptr) { debug_printf("Mapping staging depth buffer failed\n"); return; } uint8_t *stencil_ptr = (uint8_t *)stencil_buffer.map(); if (!stencil_ptr) { debug_printf("Mapping staging stencil buffer failed\n"); return; } switch (res->base.format) { case PIPE_FORMAT_Z24_UNORM_S8_UINT: util_format_z32_unorm_unpack_z_32unorm((uint32_t *)depth_ptr, trans->base.stride, (uint8_t*)trans->data, trans->base.stride, trans->base.box.width, trans->base.box.height); util_format_z24_unorm_s8_uint_unpack_s_8uint(stencil_ptr, trans->base.stride, (uint8_t*)trans->data, trans->base.stride, trans->base.box.width, trans->base.box.height); break; case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: util_format_z32_float_s8x24_uint_unpack_z_float((float *)depth_ptr, trans->base.stride, (uint8_t*)trans->data, trans->base.stride, trans->base.box.width, trans->base.box.height); util_format_z32_float_s8x24_uint_unpack_s_8uint(stencil_ptr, trans->base.stride, (uint8_t*)trans->data, trans->base.stride, trans->base.box.width, trans->base.box.height); break; default: unreachable("Unsupported depth steancil format"); }; stencil_buffer.unmap(); depth_buffer.unmap(); transfer_buf_to_image(d3d12_context(pctx), res, depth_buffer, trans, 0); transfer_buf_to_image(d3d12_context(pctx), res, stencil_buffer, trans, 1); } static void * d3d12_transfer_map(struct pipe_context *pctx, struct pipe_resource *pres, unsigned level, unsigned usage, const struct pipe_box *box, struct pipe_transfer **transfer) { struct d3d12_context *ctx = d3d12_context(pctx); struct d3d12_resource *res = d3d12_resource(pres); if (usage & PIPE_MAP_DIRECTLY || !res->bo) return NULL; struct d3d12_transfer *trans = (struct d3d12_transfer *)slab_alloc(&ctx->transfer_pool); struct pipe_transfer *ptrans = &trans->base; if (!trans) return NULL; memset(trans, 0, sizeof(*trans)); pipe_resource_reference(&ptrans->resource, pres); ptrans->resource = pres; ptrans->level = level; ptrans->usage = (enum pipe_map_flags)usage; ptrans->box = *box; D3D12_RANGE range; range.Begin = 0; void *ptr; if (can_map_directly(&res->base)) { if (pres->target == PIPE_BUFFER) { ptrans->stride = 0; ptrans->layer_stride = 0; } else { ptrans->stride = util_format_get_stride(pres->format, box->width); ptrans->layer_stride = util_format_get_2d_size(pres->format, ptrans->stride, box->height); } range = linear_range(box, ptrans->stride, ptrans->layer_stride); if (!synchronize(ctx, res, usage, &range)) return NULL; ptr = d3d12_bo_map(res->bo, &range); } else if (unlikely(pres->format == PIPE_FORMAT_Z24_UNORM_S8_UINT || pres->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) { if (usage & PIPE_MAP_READ) { ptr = read_zs_surface(ctx, res, box, trans); } else if (usage & PIPE_MAP_WRITE){ ptr = prepare_write_zs_surface(res, box, trans); } else { ptr = nullptr; } } else { ptrans->stride = align(util_format_get_stride(pres->format, box->width), D3D12_TEXTURE_DATA_PITCH_ALIGNMENT); ptrans->layer_stride = util_format_get_2d_size(pres->format, ptrans->stride, box->height); if (res->base.target != PIPE_TEXTURE_3D) ptrans->layer_stride = align(ptrans->layer_stride, D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT); trans->staging_res = pipe_buffer_create(pctx->screen, 0, PIPE_USAGE_STAGING, ptrans->layer_stride * box->depth); if (!trans->staging_res) return NULL; struct d3d12_resource *staging_res = d3d12_resource(trans->staging_res); if (usage & PIPE_MAP_READ) { bool ret = transfer_image_to_buf(ctx, res, staging_res, trans, 0); if (ret == false) return NULL; d3d12_flush_cmdlist_and_wait(ctx); } range.Begin = 0; range.End = ptrans->layer_stride * box->depth; ptr = d3d12_bo_map(staging_res->bo, &range); } *transfer = ptrans; return ptr; } static void d3d12_transfer_unmap(struct pipe_context *pctx, struct pipe_transfer *ptrans) { struct d3d12_resource *res = d3d12_resource(ptrans->resource); struct d3d12_transfer *trans = (struct d3d12_transfer *)ptrans; D3D12_RANGE range = { 0, 0 }; if (trans->data != nullptr) { if (trans->base.usage & PIPE_MAP_WRITE) write_zs_surface(pctx, res, trans); free(trans->data); } else if (trans->staging_res) { struct d3d12_resource *staging_res = d3d12_resource(trans->staging_res); if (trans->base.usage & PIPE_MAP_WRITE) { range.Begin = 0; range.End = ptrans->layer_stride * ptrans->box.depth; } d3d12_bo_unmap(staging_res->bo, &range); if (trans->base.usage & PIPE_MAP_WRITE) { struct d3d12_context *ctx = d3d12_context(pctx); transfer_buf_to_image(ctx, res, staging_res, trans, 0); } pipe_resource_reference(&trans->staging_res, NULL); } else { if (trans->base.usage & PIPE_MAP_WRITE) { range.Begin = ptrans->box.x; range.End = ptrans->box.x + ptrans->box.width; } d3d12_bo_unmap(res->bo, &range); } pipe_resource_reference(&ptrans->resource, NULL); slab_free(&d3d12_context(pctx)->transfer_pool, ptrans); } void d3d12_resource_make_writeable(struct pipe_context *pctx, struct pipe_resource *pres) { struct d3d12_context *ctx = d3d12_context(pctx); struct d3d12_resource *res = d3d12_resource(pres); struct d3d12_resource *dup_res; if (!res->bo || !d3d12_bo_is_suballocated(res->bo)) return; dup_res = d3d12_resource(pipe_buffer_create(pres->screen, pres->bind & PIPE_BIND_STREAM_OUTPUT, (pipe_resource_usage) pres->usage, pres->width0)); if (res->valid_buffer_range.end > res->valid_buffer_range.start) { struct pipe_box box; box.x = res->valid_buffer_range.start; box.y = 0; box.z = 0; box.width = res->valid_buffer_range.end - res->valid_buffer_range.start; box.height = 1; box.depth = 1; d3d12_direct_copy(ctx, dup_res, 0, &box, res, 0, &box, PIPE_MASK_RGBAZS); } /* Move new BO to old resource */ d3d12_bo_unreference(res->bo); res->bo = dup_res->bo; d3d12_bo_reference(res->bo); d3d12_resource_destroy(dup_res->base.screen, &dup_res->base); } void d3d12_context_resource_init(struct pipe_context *pctx) { pctx->transfer_map = d3d12_transfer_map; pctx->transfer_unmap = d3d12_transfer_unmap; pctx->transfer_flush_region = u_default_transfer_flush_region; pctx->buffer_subdata = u_default_buffer_subdata; pctx->texture_subdata = u_default_texture_subdata; }