| /* |
| * Copyright © 2014-2017 Broadcom |
| * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> |
| * |
| * 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 "pipe/p_defines.h" |
| #include "util/u_memory.h" |
| #include "util/format/u_format.h" |
| #include "util/u_inlines.h" |
| #include "util/u_surface.h" |
| #include "util/u_transfer_helper.h" |
| #include "util/u_upload_mgr.h" |
| #include "util/format/u_format_zs.h" |
| #include "util/u_drm.h" |
| |
| #include "drm-uapi/drm_fourcc.h" |
| #include "v3d_screen.h" |
| #include "v3d_context.h" |
| #include "v3d_resource.h" |
| #include "v3d_tiling.h" |
| #include "broadcom/cle/v3d_packet_v33_pack.h" |
| |
| static void |
| v3d_debug_resource_layout(struct v3d_resource *rsc, const char *caller) |
| { |
| if (!(V3D_DEBUG & V3D_DEBUG_SURFACE)) |
| return; |
| |
| struct pipe_resource *prsc = &rsc->base; |
| |
| if (prsc->target == PIPE_BUFFER) { |
| fprintf(stderr, |
| "rsc %s %p (format %s), %dx%d buffer @0x%08x-0x%08x\n", |
| caller, rsc, |
| util_format_short_name(prsc->format), |
| prsc->width0, prsc->height0, |
| rsc->bo->offset, |
| rsc->bo->offset + rsc->bo->size - 1); |
| return; |
| } |
| |
| static const char *const tiling_descriptions[] = { |
| [VC5_TILING_RASTER] = "R", |
| [VC5_TILING_LINEARTILE] = "LT", |
| [VC5_TILING_UBLINEAR_1_COLUMN] = "UB1", |
| [VC5_TILING_UBLINEAR_2_COLUMN] = "UB2", |
| [VC5_TILING_UIF_NO_XOR] = "UIF", |
| [VC5_TILING_UIF_XOR] = "UIF^", |
| }; |
| |
| for (int i = 0; i <= prsc->last_level; i++) { |
| struct v3d_resource_slice *slice = &rsc->slices[i]; |
| |
| int level_width = slice->stride / rsc->cpp; |
| int level_height = slice->padded_height; |
| int level_depth = |
| u_minify(util_next_power_of_two(prsc->depth0), i); |
| |
| fprintf(stderr, |
| "rsc %s %p (format %s), %dx%d: " |
| "level %d (%s) %dx%dx%d -> %dx%dx%d, stride %d@0x%08x\n", |
| caller, rsc, |
| util_format_short_name(prsc->format), |
| prsc->width0, prsc->height0, |
| i, tiling_descriptions[slice->tiling], |
| u_minify(prsc->width0, i), |
| u_minify(prsc->height0, i), |
| u_minify(prsc->depth0, i), |
| level_width, |
| level_height, |
| level_depth, |
| slice->stride, |
| rsc->bo->offset + slice->offset); |
| } |
| } |
| |
| static bool |
| v3d_resource_bo_alloc(struct v3d_resource *rsc) |
| { |
| struct pipe_resource *prsc = &rsc->base; |
| struct pipe_screen *pscreen = prsc->screen; |
| struct v3d_bo *bo; |
| |
| bo = v3d_bo_alloc(v3d_screen(pscreen), rsc->size, "resource"); |
| if (bo) { |
| v3d_bo_unreference(&rsc->bo); |
| rsc->bo = bo; |
| v3d_debug_resource_layout(rsc, "alloc"); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| static void |
| v3d_resource_transfer_unmap(struct pipe_context *pctx, |
| struct pipe_transfer *ptrans) |
| { |
| struct v3d_context *v3d = v3d_context(pctx); |
| struct v3d_transfer *trans = v3d_transfer(ptrans); |
| |
| if (trans->map) { |
| struct v3d_resource *rsc = v3d_resource(ptrans->resource); |
| struct v3d_resource_slice *slice = &rsc->slices[ptrans->level]; |
| |
| if (ptrans->usage & PIPE_MAP_WRITE) { |
| for (int z = 0; z < ptrans->box.depth; z++) { |
| void *dst = rsc->bo->map + |
| v3d_layer_offset(&rsc->base, |
| ptrans->level, |
| ptrans->box.z + z); |
| v3d_store_tiled_image(dst, |
| slice->stride, |
| (trans->map + |
| ptrans->stride * |
| ptrans->box.height * z), |
| ptrans->stride, |
| slice->tiling, rsc->cpp, |
| slice->padded_height, |
| &ptrans->box); |
| } |
| } |
| free(trans->map); |
| } |
| |
| pipe_resource_reference(&ptrans->resource, NULL); |
| slab_free(&v3d->transfer_pool, ptrans); |
| } |
| |
| static void |
| rebind_sampler_views(struct v3d_context *v3d, |
| struct v3d_resource *rsc) |
| { |
| for (int st = 0; st < PIPE_SHADER_TYPES; st++) { |
| struct v3d_texture_stateobj *tex = v3d->tex + st; |
| |
| for (unsigned i = 0; i < tex->num_textures; i++) { |
| struct pipe_sampler_view *psview = tex->textures[i]; |
| |
| if (psview->texture != &rsc->base) |
| continue; |
| |
| struct v3d_sampler_view *sview = |
| v3d_sampler_view(psview); |
| |
| v3d_create_texture_shader_state_bo(v3d, sview); |
| |
| v3d_flag_dirty_sampler_state(v3d, st); |
| } |
| } |
| } |
| |
| static void |
| v3d_map_usage_prep(struct pipe_context *pctx, |
| struct pipe_resource *prsc, |
| unsigned usage) |
| { |
| struct v3d_context *v3d = v3d_context(pctx); |
| struct v3d_resource *rsc = v3d_resource(prsc); |
| |
| if (usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE) { |
| if (v3d_resource_bo_alloc(rsc)) { |
| /* If it might be bound as one of our vertex buffers |
| * or UBOs, make sure we re-emit vertex buffer state |
| * or uniforms. |
| */ |
| if (prsc->bind & PIPE_BIND_VERTEX_BUFFER) |
| v3d->dirty |= VC5_DIRTY_VTXBUF; |
| if (prsc->bind & PIPE_BIND_CONSTANT_BUFFER) |
| v3d->dirty |= VC5_DIRTY_CONSTBUF; |
| if (prsc->bind & PIPE_BIND_SAMPLER_VIEW) |
| rebind_sampler_views(v3d, rsc); |
| } else { |
| /* If we failed to reallocate, flush users so that we |
| * don't violate any syncing requirements. |
| */ |
| v3d_flush_jobs_reading_resource(v3d, prsc, |
| V3D_FLUSH_DEFAULT, |
| false); |
| } |
| } else if (!(usage & PIPE_MAP_UNSYNCHRONIZED)) { |
| /* If we're writing and the buffer is being used by the CL, we |
| * have to flush the CL first. If we're only reading, we need |
| * to flush if the CL has written our buffer. |
| */ |
| if (usage & PIPE_MAP_WRITE) { |
| v3d_flush_jobs_reading_resource(v3d, prsc, |
| V3D_FLUSH_ALWAYS, |
| false); |
| } else { |
| v3d_flush_jobs_writing_resource(v3d, prsc, |
| V3D_FLUSH_ALWAYS, |
| false); |
| } |
| } |
| |
| if (usage & PIPE_MAP_WRITE) { |
| rsc->writes++; |
| rsc->initialized_buffers = ~0; |
| } |
| } |
| |
| static void * |
| v3d_resource_transfer_map(struct pipe_context *pctx, |
| struct pipe_resource *prsc, |
| unsigned level, unsigned usage, |
| const struct pipe_box *box, |
| struct pipe_transfer **pptrans) |
| { |
| struct v3d_context *v3d = v3d_context(pctx); |
| struct v3d_resource *rsc = v3d_resource(prsc); |
| struct v3d_transfer *trans; |
| struct pipe_transfer *ptrans; |
| enum pipe_format format = prsc->format; |
| char *buf; |
| |
| /* MSAA maps should have been handled by u_transfer_helper. */ |
| assert(prsc->nr_samples <= 1); |
| |
| /* Upgrade DISCARD_RANGE to WHOLE_RESOURCE if the whole resource is |
| * being mapped. |
| */ |
| if ((usage & PIPE_MAP_DISCARD_RANGE) && |
| !(usage & PIPE_MAP_UNSYNCHRONIZED) && |
| !(prsc->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) && |
| prsc->last_level == 0 && |
| prsc->width0 == box->width && |
| prsc->height0 == box->height && |
| prsc->depth0 == box->depth && |
| prsc->array_size == 1 && |
| rsc->bo->private) { |
| usage |= PIPE_MAP_DISCARD_WHOLE_RESOURCE; |
| } |
| |
| v3d_map_usage_prep(pctx, prsc, usage); |
| |
| trans = slab_alloc(&v3d->transfer_pool); |
| if (!trans) |
| return NULL; |
| |
| /* XXX: Handle DONTBLOCK, DISCARD_RANGE, PERSISTENT, COHERENT. */ |
| |
| /* slab_alloc_st() doesn't zero: */ |
| memset(trans, 0, sizeof(*trans)); |
| ptrans = &trans->base; |
| |
| pipe_resource_reference(&ptrans->resource, prsc); |
| ptrans->level = level; |
| ptrans->usage = usage; |
| ptrans->box = *box; |
| |
| /* Note that the current kernel implementation is synchronous, so no |
| * need to do syncing stuff here yet. |
| */ |
| |
| if (usage & PIPE_MAP_UNSYNCHRONIZED) |
| buf = v3d_bo_map_unsynchronized(rsc->bo); |
| else |
| buf = v3d_bo_map(rsc->bo); |
| if (!buf) { |
| fprintf(stderr, "Failed to map bo\n"); |
| goto fail; |
| } |
| |
| *pptrans = ptrans; |
| |
| /* Our load/store routines work on entire compressed blocks. */ |
| ptrans->box.x /= util_format_get_blockwidth(format); |
| ptrans->box.y /= util_format_get_blockheight(format); |
| ptrans->box.width = DIV_ROUND_UP(ptrans->box.width, |
| util_format_get_blockwidth(format)); |
| ptrans->box.height = DIV_ROUND_UP(ptrans->box.height, |
| util_format_get_blockheight(format)); |
| |
| struct v3d_resource_slice *slice = &rsc->slices[level]; |
| if (rsc->tiled) { |
| /* No direct mappings of tiled, since we need to manually |
| * tile/untile. |
| */ |
| if (usage & PIPE_MAP_DIRECTLY) |
| return NULL; |
| |
| ptrans->stride = ptrans->box.width * rsc->cpp; |
| ptrans->layer_stride = ptrans->stride * ptrans->box.height; |
| |
| trans->map = malloc(ptrans->layer_stride * ptrans->box.depth); |
| |
| if (usage & PIPE_MAP_READ) { |
| for (int z = 0; z < ptrans->box.depth; z++) { |
| void *src = rsc->bo->map + |
| v3d_layer_offset(&rsc->base, |
| ptrans->level, |
| ptrans->box.z + z); |
| v3d_load_tiled_image((trans->map + |
| ptrans->stride * |
| ptrans->box.height * z), |
| ptrans->stride, |
| src, |
| slice->stride, |
| slice->tiling, rsc->cpp, |
| slice->padded_height, |
| &ptrans->box); |
| } |
| } |
| return trans->map; |
| } else { |
| ptrans->stride = slice->stride; |
| ptrans->layer_stride = rsc->cube_map_stride; |
| |
| return buf + slice->offset + |
| ptrans->box.y * ptrans->stride + |
| ptrans->box.x * rsc->cpp + |
| ptrans->box.z * rsc->cube_map_stride; |
| } |
| |
| |
| fail: |
| v3d_resource_transfer_unmap(pctx, ptrans); |
| return NULL; |
| } |
| |
| static void |
| v3d_texture_subdata(struct pipe_context *pctx, |
| struct pipe_resource *prsc, |
| unsigned level, |
| unsigned usage, |
| const struct pipe_box *box, |
| const void *data, |
| unsigned stride, |
| unsigned layer_stride) |
| { |
| struct v3d_resource *rsc = v3d_resource(prsc); |
| struct v3d_resource_slice *slice = &rsc->slices[level]; |
| |
| /* For a direct mapping, we can just take the u_transfer path. */ |
| if (!rsc->tiled) { |
| return u_default_texture_subdata(pctx, prsc, level, usage, box, |
| data, stride, layer_stride); |
| } |
| |
| /* Otherwise, map and store the texture data directly into the tiled |
| * texture. Note that gallium's texture_subdata may be called with |
| * obvious usage flags missing! |
| */ |
| v3d_map_usage_prep(pctx, prsc, usage | (PIPE_MAP_WRITE | |
| PIPE_MAP_DISCARD_RANGE)); |
| |
| void *buf; |
| if (usage & PIPE_MAP_UNSYNCHRONIZED) |
| buf = v3d_bo_map_unsynchronized(rsc->bo); |
| else |
| buf = v3d_bo_map(rsc->bo); |
| |
| for (int i = 0; i < box->depth; i++) { |
| v3d_store_tiled_image(buf + |
| v3d_layer_offset(&rsc->base, |
| level, |
| box->z + i), |
| slice->stride, |
| (void *)data + layer_stride * i, |
| stride, |
| slice->tiling, rsc->cpp, slice->padded_height, |
| box); |
| } |
| } |
| |
| static void |
| v3d_resource_destroy(struct pipe_screen *pscreen, |
| struct pipe_resource *prsc) |
| { |
| struct v3d_screen *screen = v3d_screen(pscreen); |
| struct v3d_resource *rsc = v3d_resource(prsc); |
| |
| if (rsc->scanout) |
| renderonly_scanout_destroy(rsc->scanout, screen->ro); |
| |
| v3d_bo_unreference(&rsc->bo); |
| free(rsc); |
| } |
| |
| static bool |
| v3d_resource_get_handle(struct pipe_screen *pscreen, |
| struct pipe_context *pctx, |
| struct pipe_resource *prsc, |
| struct winsys_handle *whandle, |
| unsigned usage) |
| { |
| struct v3d_screen *screen = v3d_screen(pscreen); |
| struct v3d_resource *rsc = v3d_resource(prsc); |
| struct v3d_bo *bo = rsc->bo; |
| |
| whandle->stride = rsc->slices[0].stride; |
| whandle->offset = 0; |
| |
| /* If we're passing some reference to our BO out to some other part of |
| * the system, then we can't do any optimizations about only us being |
| * the ones seeing it (like BO caching). |
| */ |
| bo->private = false; |
| |
| if (rsc->tiled) { |
| /* A shared tiled buffer should always be allocated as UIF, |
| * not UBLINEAR or LT. |
| */ |
| assert(rsc->slices[0].tiling == VC5_TILING_UIF_XOR || |
| rsc->slices[0].tiling == VC5_TILING_UIF_NO_XOR); |
| whandle->modifier = DRM_FORMAT_MOD_BROADCOM_UIF; |
| } else { |
| whandle->modifier = DRM_FORMAT_MOD_LINEAR; |
| } |
| |
| switch (whandle->type) { |
| case WINSYS_HANDLE_TYPE_SHARED: |
| return v3d_bo_flink(bo, &whandle->handle); |
| case WINSYS_HANDLE_TYPE_KMS: |
| if (screen->ro) { |
| assert(rsc->scanout); |
| bool ok = renderonly_get_handle(rsc->scanout, whandle); |
| whandle->stride = rsc->slices[0].stride; |
| return ok; |
| } |
| whandle->handle = bo->handle; |
| return true; |
| case WINSYS_HANDLE_TYPE_FD: |
| whandle->handle = v3d_bo_get_dmabuf(bo); |
| return whandle->handle != -1; |
| } |
| |
| return false; |
| } |
| |
| #define PAGE_UB_ROWS (VC5_UIFCFG_PAGE_SIZE / VC5_UIFBLOCK_ROW_SIZE) |
| #define PAGE_UB_ROWS_TIMES_1_5 ((PAGE_UB_ROWS * 3) >> 1) |
| #define PAGE_CACHE_UB_ROWS (VC5_PAGE_CACHE_SIZE / VC5_UIFBLOCK_ROW_SIZE) |
| #define PAGE_CACHE_MINUS_1_5_UB_ROWS (PAGE_CACHE_UB_ROWS - PAGE_UB_ROWS_TIMES_1_5) |
| |
| /** |
| * Computes the HW's UIFblock padding for a given height/cpp. |
| * |
| * The goal of the padding is to keep pages of the same color (bank number) at |
| * least half a page away from each other vertically when crossing between |
| * between columns of UIF blocks. |
| */ |
| static uint32_t |
| v3d_get_ub_pad(struct v3d_resource *rsc, uint32_t height) |
| { |
| uint32_t utile_h = v3d_utile_height(rsc->cpp); |
| uint32_t uif_block_h = utile_h * 2; |
| uint32_t height_ub = height / uif_block_h; |
| |
| uint32_t height_offset_in_pc = height_ub % PAGE_CACHE_UB_ROWS; |
| |
| /* For the perfectly-aligned-for-UIF-XOR case, don't add any pad. */ |
| if (height_offset_in_pc == 0) |
| return 0; |
| |
| /* Try padding up to where we're offset by at least half a page. */ |
| if (height_offset_in_pc < PAGE_UB_ROWS_TIMES_1_5) { |
| /* If we fit entirely in the page cache, don't pad. */ |
| if (height_ub < PAGE_CACHE_UB_ROWS) |
| return 0; |
| else |
| return PAGE_UB_ROWS_TIMES_1_5 - height_offset_in_pc; |
| } |
| |
| /* If we're close to being aligned to page cache size, then round up |
| * and rely on XOR. |
| */ |
| if (height_offset_in_pc > PAGE_CACHE_MINUS_1_5_UB_ROWS) |
| return PAGE_CACHE_UB_ROWS - height_offset_in_pc; |
| |
| /* Otherwise, we're far enough away (top and bottom) to not need any |
| * padding. |
| */ |
| return 0; |
| } |
| |
| static void |
| v3d_setup_slices(struct v3d_resource *rsc, uint32_t winsys_stride, |
| bool uif_top) |
| { |
| struct pipe_resource *prsc = &rsc->base; |
| uint32_t width = prsc->width0; |
| uint32_t height = prsc->height0; |
| uint32_t depth = prsc->depth0; |
| /* Note that power-of-two padding is based on level 1. These are not |
| * equivalent to just util_next_power_of_two(dimension), because at a |
| * level 0 dimension of 9, the level 1 power-of-two padded value is 4, |
| * not 8. |
| */ |
| uint32_t pot_width = 2 * util_next_power_of_two(u_minify(width, 1)); |
| uint32_t pot_height = 2 * util_next_power_of_two(u_minify(height, 1)); |
| uint32_t pot_depth = 2 * util_next_power_of_two(u_minify(depth, 1)); |
| uint32_t offset = 0; |
| uint32_t utile_w = v3d_utile_width(rsc->cpp); |
| uint32_t utile_h = v3d_utile_height(rsc->cpp); |
| uint32_t uif_block_w = utile_w * 2; |
| uint32_t uif_block_h = utile_h * 2; |
| uint32_t block_width = util_format_get_blockwidth(prsc->format); |
| uint32_t block_height = util_format_get_blockheight(prsc->format); |
| bool msaa = prsc->nr_samples > 1; |
| |
| /* MSAA textures/renderbuffers are always laid out as single-level |
| * UIF. |
| */ |
| uif_top |= msaa; |
| |
| /* Check some easy mistakes to make in a resource_create() call that |
| * will break our setup. |
| */ |
| assert(prsc->array_size != 0); |
| assert(prsc->depth0 != 0); |
| |
| for (int i = prsc->last_level; i >= 0; i--) { |
| struct v3d_resource_slice *slice = &rsc->slices[i]; |
| |
| uint32_t level_width, level_height, level_depth; |
| if (i < 2) { |
| level_width = u_minify(width, i); |
| level_height = u_minify(height, i); |
| } else { |
| level_width = u_minify(pot_width, i); |
| level_height = u_minify(pot_height, i); |
| } |
| if (i < 1) |
| level_depth = u_minify(depth, i); |
| else |
| level_depth = u_minify(pot_depth, i); |
| |
| if (msaa) { |
| level_width *= 2; |
| level_height *= 2; |
| } |
| |
| level_width = DIV_ROUND_UP(level_width, block_width); |
| level_height = DIV_ROUND_UP(level_height, block_height); |
| |
| if (!rsc->tiled) { |
| slice->tiling = VC5_TILING_RASTER; |
| if (prsc->target == PIPE_TEXTURE_1D) |
| level_width = align(level_width, 64 / rsc->cpp); |
| } else { |
| if ((i != 0 || !uif_top) && |
| (level_width <= utile_w || |
| level_height <= utile_h)) { |
| slice->tiling = VC5_TILING_LINEARTILE; |
| level_width = align(level_width, utile_w); |
| level_height = align(level_height, utile_h); |
| } else if ((i != 0 || !uif_top) && |
| level_width <= uif_block_w) { |
| slice->tiling = VC5_TILING_UBLINEAR_1_COLUMN; |
| level_width = align(level_width, uif_block_w); |
| level_height = align(level_height, uif_block_h); |
| } else if ((i != 0 || !uif_top) && |
| level_width <= 2 * uif_block_w) { |
| slice->tiling = VC5_TILING_UBLINEAR_2_COLUMN; |
| level_width = align(level_width, 2 * uif_block_w); |
| level_height = align(level_height, uif_block_h); |
| } else { |
| /* We align the width to a 4-block column of |
| * UIF blocks, but we only align height to UIF |
| * blocks. |
| */ |
| level_width = align(level_width, |
| 4 * uif_block_w); |
| level_height = align(level_height, |
| uif_block_h); |
| |
| slice->ub_pad = v3d_get_ub_pad(rsc, |
| level_height); |
| level_height += slice->ub_pad * uif_block_h; |
| |
| /* If the padding set us to to be aligned to |
| * the page cache size, then the HW will use |
| * the XOR bit on odd columns to get us |
| * perfectly misaligned |
| */ |
| if ((level_height / uif_block_h) % |
| (VC5_PAGE_CACHE_SIZE / |
| VC5_UIFBLOCK_ROW_SIZE) == 0) { |
| slice->tiling = VC5_TILING_UIF_XOR; |
| } else { |
| slice->tiling = VC5_TILING_UIF_NO_XOR; |
| } |
| } |
| } |
| |
| slice->offset = offset; |
| if (winsys_stride) |
| slice->stride = winsys_stride; |
| else |
| slice->stride = level_width * rsc->cpp; |
| slice->padded_height = level_height; |
| slice->size = level_height * slice->stride; |
| |
| uint32_t slice_total_size = slice->size * level_depth; |
| |
| /* The HW aligns level 1's base to a page if any of level 1 or |
| * below could be UIF XOR. The lower levels then inherit the |
| * alignment for as long as necesary, thanks to being power of |
| * two aligned. |
| */ |
| if (i == 1 && |
| level_width > 4 * uif_block_w && |
| level_height > PAGE_CACHE_MINUS_1_5_UB_ROWS * uif_block_h) { |
| slice_total_size = align(slice_total_size, |
| VC5_UIFCFG_PAGE_SIZE); |
| } |
| |
| offset += slice_total_size; |
| |
| } |
| rsc->size = offset; |
| |
| /* UIF/UBLINEAR levels need to be aligned to UIF-blocks, and LT only |
| * needs to be aligned to utile boundaries. Since tiles are laid out |
| * from small to big in memory, we need to align the later UIF slices |
| * to UIF blocks, if they were preceded by non-UIF-block-aligned LT |
| * slices. |
| * |
| * We additionally align to 4k, which improves UIF XOR performance. |
| */ |
| uint32_t page_align_offset = (align(rsc->slices[0].offset, 4096) - |
| rsc->slices[0].offset); |
| if (page_align_offset) { |
| rsc->size += page_align_offset; |
| for (int i = 0; i <= prsc->last_level; i++) |
| rsc->slices[i].offset += page_align_offset; |
| } |
| |
| /* Arrays and cube textures have a stride which is the distance from |
| * one full mipmap tree to the next (64b aligned). For 3D textures, |
| * we need to program the stride between slices of miplevel 0. |
| */ |
| if (prsc->target != PIPE_TEXTURE_3D) { |
| rsc->cube_map_stride = align(rsc->slices[0].offset + |
| rsc->slices[0].size, 64); |
| rsc->size += rsc->cube_map_stride * (prsc->array_size - 1); |
| } else { |
| rsc->cube_map_stride = rsc->slices[0].size; |
| } |
| } |
| |
| uint32_t |
| v3d_layer_offset(struct pipe_resource *prsc, uint32_t level, uint32_t layer) |
| { |
| struct v3d_resource *rsc = v3d_resource(prsc); |
| struct v3d_resource_slice *slice = &rsc->slices[level]; |
| |
| if (prsc->target == PIPE_TEXTURE_3D) |
| return slice->offset + layer * slice->size; |
| else |
| return slice->offset + layer * rsc->cube_map_stride; |
| } |
| |
| static struct v3d_resource * |
| v3d_resource_setup(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl) |
| { |
| struct v3d_screen *screen = v3d_screen(pscreen); |
| struct v3d_resource *rsc = CALLOC_STRUCT(v3d_resource); |
| if (!rsc) |
| return NULL; |
| struct pipe_resource *prsc = &rsc->base; |
| |
| *prsc = *tmpl; |
| |
| pipe_reference_init(&prsc->reference, 1); |
| prsc->screen = pscreen; |
| |
| if (prsc->nr_samples <= 1 || |
| screen->devinfo.ver >= 40 || |
| util_format_is_depth_or_stencil(prsc->format)) { |
| rsc->cpp = util_format_get_blocksize(prsc->format); |
| if (screen->devinfo.ver < 40 && prsc->nr_samples > 1) |
| rsc->cpp *= prsc->nr_samples; |
| } else { |
| assert(v3d_rt_format_supported(&screen->devinfo, prsc->format)); |
| uint32_t output_image_format = |
| v3d_get_rt_format(&screen->devinfo, prsc->format); |
| uint32_t internal_type; |
| uint32_t internal_bpp; |
| v3d_get_internal_type_bpp_for_output_format(&screen->devinfo, |
| output_image_format, |
| &internal_type, |
| &internal_bpp); |
| switch (internal_bpp) { |
| case V3D_INTERNAL_BPP_32: |
| rsc->cpp = 4; |
| break; |
| case V3D_INTERNAL_BPP_64: |
| rsc->cpp = 8; |
| break; |
| case V3D_INTERNAL_BPP_128: |
| rsc->cpp = 16; |
| break; |
| } |
| } |
| |
| assert(rsc->cpp); |
| |
| return rsc; |
| } |
| |
| static struct pipe_resource * |
| v3d_resource_create_with_modifiers(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl, |
| const uint64_t *modifiers, |
| int count) |
| { |
| struct v3d_screen *screen = v3d_screen(pscreen); |
| |
| bool linear_ok = drm_find_modifier(DRM_FORMAT_MOD_LINEAR, modifiers, count); |
| struct v3d_resource *rsc = v3d_resource_setup(pscreen, tmpl); |
| struct pipe_resource *prsc = &rsc->base; |
| /* Use a tiled layout if we can, for better 3D performance. */ |
| bool should_tile = true; |
| |
| /* VBOs/PBOs are untiled (and 1 height). */ |
| if (tmpl->target == PIPE_BUFFER) |
| should_tile = false; |
| |
| /* Cursors are always linear, and the user can request linear as well. |
| */ |
| if (tmpl->bind & (PIPE_BIND_LINEAR | PIPE_BIND_CURSOR)) |
| should_tile = false; |
| |
| /* 1D and 1D_ARRAY textures are always raster-order. */ |
| if (tmpl->target == PIPE_TEXTURE_1D || |
| tmpl->target == PIPE_TEXTURE_1D_ARRAY) |
| should_tile = false; |
| |
| /* Scanout BOs for simulator need to be linear for interaction with |
| * i965. |
| */ |
| if (using_v3d_simulator && |
| tmpl->bind & (PIPE_BIND_SHARED | PIPE_BIND_SCANOUT)) |
| should_tile = false; |
| |
| /* If using the old-school SCANOUT flag, we don't know what the screen |
| * might support other than linear. Just force linear. |
| */ |
| if (tmpl->bind & PIPE_BIND_SCANOUT) |
| should_tile = false; |
| |
| /* No user-specified modifier; determine our own. */ |
| if (count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID) { |
| linear_ok = true; |
| rsc->tiled = should_tile; |
| } else if (should_tile && |
| drm_find_modifier(DRM_FORMAT_MOD_BROADCOM_UIF, |
| modifiers, count)) { |
| rsc->tiled = true; |
| } else if (linear_ok) { |
| rsc->tiled = false; |
| } else { |
| fprintf(stderr, "Unsupported modifier requested\n"); |
| goto fail; |
| } |
| |
| rsc->internal_format = prsc->format; |
| |
| v3d_setup_slices(rsc, 0, tmpl->bind & PIPE_BIND_SHARED); |
| |
| /* If we're in a renderonly setup, use the other device to perform our |
| * allocation and just import it to v3d. The other device may be |
| * using CMA, and V3D can import from CMA but doesn't do CMA |
| * allocations on its own. |
| * |
| * We always allocate this way for SHARED, because get_handle will |
| * need a resource on the display fd. |
| */ |
| if (screen->ro && (tmpl->bind & (PIPE_BIND_SCANOUT | |
| PIPE_BIND_SHARED))) { |
| struct winsys_handle handle; |
| struct pipe_resource scanout_tmpl = { |
| .target = prsc->target, |
| .format = PIPE_FORMAT_RGBA8888_UNORM, |
| .width0 = 1024, /* one page */ |
| .height0 = align(rsc->size, 4096) / 4096, |
| .depth0 = 1, |
| .array_size = 1, |
| }; |
| |
| rsc->scanout = |
| renderonly_scanout_for_resource(&scanout_tmpl, |
| screen->ro, |
| &handle); |
| |
| if (!rsc->scanout) { |
| fprintf(stderr, "Failed to create scanout resource\n"); |
| return NULL; |
| } |
| assert(handle.type == WINSYS_HANDLE_TYPE_FD); |
| rsc->bo = v3d_bo_open_dmabuf(screen, handle.handle); |
| close(handle.handle); |
| |
| if (!rsc->bo) |
| goto fail; |
| |
| v3d_debug_resource_layout(rsc, "renderonly"); |
| |
| return prsc; |
| } else { |
| if (!v3d_resource_bo_alloc(rsc)) |
| goto fail; |
| } |
| |
| return prsc; |
| fail: |
| v3d_resource_destroy(pscreen, prsc); |
| return NULL; |
| } |
| |
| struct pipe_resource * |
| v3d_resource_create(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl) |
| { |
| const uint64_t mod = DRM_FORMAT_MOD_INVALID; |
| return v3d_resource_create_with_modifiers(pscreen, tmpl, &mod, 1); |
| } |
| |
| static struct pipe_resource * |
| v3d_resource_from_handle(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl, |
| struct winsys_handle *whandle, |
| unsigned usage) |
| { |
| struct v3d_screen *screen = v3d_screen(pscreen); |
| struct v3d_resource *rsc = v3d_resource_setup(pscreen, tmpl); |
| struct pipe_resource *prsc = &rsc->base; |
| struct v3d_resource_slice *slice = &rsc->slices[0]; |
| |
| if (!rsc) |
| return NULL; |
| |
| switch (whandle->modifier) { |
| case DRM_FORMAT_MOD_LINEAR: |
| rsc->tiled = false; |
| break; |
| case DRM_FORMAT_MOD_BROADCOM_UIF: |
| rsc->tiled = true; |
| break; |
| case DRM_FORMAT_MOD_INVALID: |
| rsc->tiled = screen->ro == NULL; |
| break; |
| default: |
| fprintf(stderr, |
| "Attempt to import unsupported modifier 0x%llx\n", |
| (long long)whandle->modifier); |
| goto fail; |
| } |
| |
| switch (whandle->type) { |
| case WINSYS_HANDLE_TYPE_SHARED: |
| rsc->bo = v3d_bo_open_name(screen, whandle->handle); |
| break; |
| case WINSYS_HANDLE_TYPE_FD: |
| rsc->bo = v3d_bo_open_dmabuf(screen, whandle->handle); |
| break; |
| default: |
| fprintf(stderr, |
| "Attempt to import unsupported handle type %d\n", |
| whandle->type); |
| goto fail; |
| } |
| |
| if (!rsc->bo) |
| goto fail; |
| |
| rsc->internal_format = prsc->format; |
| |
| v3d_setup_slices(rsc, whandle->stride, true); |
| v3d_debug_resource_layout(rsc, "import"); |
| |
| if (whandle->offset != 0) { |
| if (rsc->tiled) { |
| fprintf(stderr, |
| "Attempt to import unsupported winsys offset %u\n", |
| whandle->offset); |
| goto fail; |
| } |
| rsc->slices[0].offset += whandle->offset; |
| |
| if (rsc->slices[0].offset + rsc->slices[0].size > |
| rsc->bo->size) { |
| fprintf(stderr, "Attempt to import " |
| "with overflowing offset (%d + %d > %d)\n", |
| whandle->offset, |
| rsc->slices[0].size, |
| rsc->bo->size); |
| goto fail; |
| } |
| } |
| |
| if (screen->ro) { |
| /* Make sure that renderonly has a handle to our buffer in the |
| * display's fd, so that a later renderonly_get_handle() |
| * returns correct handles or GEM names. |
| */ |
| rsc->scanout = |
| renderonly_create_gpu_import_for_resource(prsc, |
| screen->ro, |
| NULL); |
| if (!rsc->scanout) { |
| fprintf(stderr, "Failed to create scanout resource.\n"); |
| goto fail; |
| } |
| } |
| |
| if (rsc->tiled && whandle->stride != slice->stride) { |
| static bool warned = false; |
| if (!warned) { |
| warned = true; |
| fprintf(stderr, |
| "Attempting to import %dx%d %s with " |
| "unsupported stride %d instead of %d\n", |
| prsc->width0, prsc->height0, |
| util_format_short_name(prsc->format), |
| whandle->stride, |
| slice->stride); |
| } |
| goto fail; |
| } else if (!rsc->tiled) { |
| slice->stride = whandle->stride; |
| } |
| |
| return prsc; |
| |
| fail: |
| v3d_resource_destroy(pscreen, prsc); |
| return NULL; |
| } |
| |
| void |
| v3d_update_shadow_texture(struct pipe_context *pctx, |
| struct pipe_sampler_view *pview) |
| { |
| struct v3d_context *v3d = v3d_context(pctx); |
| struct v3d_sampler_view *view = v3d_sampler_view(pview); |
| struct v3d_resource *shadow = v3d_resource(view->texture); |
| struct v3d_resource *orig = v3d_resource(pview->texture); |
| |
| assert(view->texture != pview->texture); |
| |
| if (shadow->writes == orig->writes && orig->bo->private) |
| return; |
| |
| perf_debug("Updating %dx%d@%d shadow for linear texture\n", |
| orig->base.width0, orig->base.height0, |
| pview->u.tex.first_level); |
| |
| for (int i = 0; i <= shadow->base.last_level; i++) { |
| unsigned width = u_minify(shadow->base.width0, i); |
| unsigned height = u_minify(shadow->base.height0, i); |
| struct pipe_blit_info info = { |
| .dst = { |
| .resource = &shadow->base, |
| .level = i, |
| .box = { |
| .x = 0, |
| .y = 0, |
| .z = 0, |
| .width = width, |
| .height = height, |
| .depth = 1, |
| }, |
| .format = shadow->base.format, |
| }, |
| .src = { |
| .resource = &orig->base, |
| .level = pview->u.tex.first_level + i, |
| .box = { |
| .x = 0, |
| .y = 0, |
| .z = 0, |
| .width = width, |
| .height = height, |
| .depth = 1, |
| }, |
| .format = orig->base.format, |
| }, |
| .mask = util_format_get_mask(orig->base.format), |
| }; |
| pctx->blit(pctx, &info); |
| } |
| |
| shadow->writes = orig->writes; |
| } |
| |
| static struct pipe_surface * |
| v3d_create_surface(struct pipe_context *pctx, |
| struct pipe_resource *ptex, |
| const struct pipe_surface *surf_tmpl) |
| { |
| struct v3d_context *v3d = v3d_context(pctx); |
| struct v3d_screen *screen = v3d->screen; |
| struct v3d_surface *surface = CALLOC_STRUCT(v3d_surface); |
| struct v3d_resource *rsc = v3d_resource(ptex); |
| |
| if (!surface) |
| return NULL; |
| |
| struct pipe_surface *psurf = &surface->base; |
| unsigned level = surf_tmpl->u.tex.level; |
| struct v3d_resource_slice *slice = &rsc->slices[level]; |
| |
| pipe_reference_init(&psurf->reference, 1); |
| pipe_resource_reference(&psurf->texture, ptex); |
| |
| psurf->context = pctx; |
| psurf->format = surf_tmpl->format; |
| psurf->width = u_minify(ptex->width0, level); |
| psurf->height = u_minify(ptex->height0, level); |
| psurf->u.tex.level = level; |
| psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer; |
| psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer; |
| |
| surface->offset = v3d_layer_offset(ptex, level, |
| psurf->u.tex.first_layer); |
| surface->tiling = slice->tiling; |
| |
| surface->format = v3d_get_rt_format(&screen->devinfo, psurf->format); |
| |
| const struct util_format_description *desc = |
| util_format_description(psurf->format); |
| |
| surface->swap_rb = (desc->swizzle[0] == PIPE_SWIZZLE_Z && |
| psurf->format != PIPE_FORMAT_B5G6R5_UNORM); |
| |
| if (util_format_is_depth_or_stencil(psurf->format)) { |
| switch (psurf->format) { |
| case PIPE_FORMAT_Z16_UNORM: |
| surface->internal_type = V3D_INTERNAL_TYPE_DEPTH_16; |
| break; |
| case PIPE_FORMAT_Z32_FLOAT: |
| case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: |
| surface->internal_type = V3D_INTERNAL_TYPE_DEPTH_32F; |
| break; |
| default: |
| surface->internal_type = V3D_INTERNAL_TYPE_DEPTH_24; |
| } |
| } else { |
| uint32_t bpp, type; |
| v3d_get_internal_type_bpp_for_output_format(&screen->devinfo, |
| surface->format, |
| &type, &bpp); |
| surface->internal_type = type; |
| surface->internal_bpp = bpp; |
| } |
| |
| if (surface->tiling == VC5_TILING_UIF_NO_XOR || |
| surface->tiling == VC5_TILING_UIF_XOR) { |
| surface->padded_height_of_output_image_in_uif_blocks = |
| (slice->padded_height / |
| (2 * v3d_utile_height(rsc->cpp))); |
| } |
| |
| if (rsc->separate_stencil) { |
| surface->separate_stencil = |
| v3d_create_surface(pctx, &rsc->separate_stencil->base, |
| surf_tmpl); |
| } |
| |
| return &surface->base; |
| } |
| |
| static void |
| v3d_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf) |
| { |
| struct v3d_surface *surf = v3d_surface(psurf); |
| |
| if (surf->separate_stencil) |
| pipe_surface_reference(&surf->separate_stencil, NULL); |
| |
| pipe_resource_reference(&psurf->texture, NULL); |
| FREE(psurf); |
| } |
| |
| static void |
| v3d_flush_resource(struct pipe_context *pctx, struct pipe_resource *resource) |
| { |
| /* All calls to flush_resource are followed by a flush of the context, |
| * so there's nothing to do. |
| */ |
| } |
| |
| static enum pipe_format |
| v3d_resource_get_internal_format(struct pipe_resource *prsc) |
| { |
| return v3d_resource(prsc)->internal_format; |
| } |
| |
| static void |
| v3d_resource_set_stencil(struct pipe_resource *prsc, |
| struct pipe_resource *stencil) |
| { |
| v3d_resource(prsc)->separate_stencil = v3d_resource(stencil); |
| } |
| |
| static struct pipe_resource * |
| v3d_resource_get_stencil(struct pipe_resource *prsc) |
| { |
| struct v3d_resource *rsc = v3d_resource(prsc); |
| |
| return &rsc->separate_stencil->base; |
| } |
| |
| static const struct u_transfer_vtbl transfer_vtbl = { |
| .resource_create = v3d_resource_create, |
| .resource_destroy = v3d_resource_destroy, |
| .transfer_map = v3d_resource_transfer_map, |
| .transfer_unmap = v3d_resource_transfer_unmap, |
| .transfer_flush_region = u_default_transfer_flush_region, |
| .get_internal_format = v3d_resource_get_internal_format, |
| .set_stencil = v3d_resource_set_stencil, |
| .get_stencil = v3d_resource_get_stencil, |
| }; |
| |
| void |
| v3d_resource_screen_init(struct pipe_screen *pscreen) |
| { |
| pscreen->resource_create_with_modifiers = |
| v3d_resource_create_with_modifiers; |
| pscreen->resource_create = u_transfer_helper_resource_create; |
| pscreen->resource_from_handle = v3d_resource_from_handle; |
| pscreen->resource_get_handle = v3d_resource_get_handle; |
| pscreen->resource_destroy = u_transfer_helper_resource_destroy; |
| pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl, |
| true, false, |
| true, true); |
| } |
| |
| void |
| v3d_resource_context_init(struct pipe_context *pctx) |
| { |
| pctx->transfer_map = u_transfer_helper_transfer_map; |
| pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region; |
| pctx->transfer_unmap = u_transfer_helper_transfer_unmap; |
| pctx->buffer_subdata = u_default_buffer_subdata; |
| pctx->texture_subdata = v3d_texture_subdata; |
| pctx->create_surface = v3d_create_surface; |
| pctx->surface_destroy = v3d_surface_destroy; |
| pctx->resource_copy_region = util_resource_copy_region; |
| pctx->blit = v3d_blit; |
| pctx->generate_mipmap = v3d_generate_mipmap; |
| pctx->flush_resource = v3d_flush_resource; |
| } |
