/* * Copyright (c) 2012-2015 Etnaviv Project * * 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, sub license, * 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 NON-INFRINGEMENT. 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: * Wladimir J. van der Laan */ #include "etnaviv_resource.h" #include "hw/common.xml.h" #include "etnaviv_context.h" #include "etnaviv_debug.h" #include "etnaviv_screen.h" #include "etnaviv_translate.h" #include "util/u_inlines.h" #include "util/u_memory.h" /* A tile is 4x4 pixels, having 'screen->specs.bits_per_tile' of tile status. * So, in a buffer of N pixels, there are N / (4 * 4) tiles. * We need N * screen->specs.bits_per_tile / (4 * 4) bits of tile status, or * N * screen->specs.bits_per_tile / (4 * 4 * 8) bytes. */ bool etna_screen_resource_alloc_ts(struct pipe_screen *pscreen, struct etna_resource *rsc) { struct etna_screen *screen = etna_screen(pscreen); size_t rt_ts_size, ts_layer_stride, pixels; assert(!rsc->ts_bo); /* TS only for level 0 -- XXX is this formula correct? */ pixels = rsc->levels[0].layer_stride / util_format_get_blocksize(rsc->base.format); ts_layer_stride = align(pixels * screen->specs.bits_per_tile / 0x80, 0x100 * screen->specs.pixel_pipes); rt_ts_size = ts_layer_stride * rsc->base.array_size; if (rt_ts_size == 0) return true; DBG_F(ETNA_DBG_RESOURCE_MSGS, "%p: Allocating tile status of size %zu", rsc, rt_ts_size); struct etna_bo *rt_ts; rt_ts = etna_bo_new(screen->dev, rt_ts_size, DRM_ETNA_GEM_CACHE_WC); if (unlikely(!rt_ts)) { BUG("Problem allocating tile status for resource"); return false; } rsc->ts_bo = rt_ts; rsc->levels[0].ts_offset = 0; rsc->levels[0].ts_layer_stride = ts_layer_stride; rsc->levels[0].ts_size = rt_ts_size; /* It is important to initialize the TS, as random pattern * can result in crashes. Do this on the CPU as this only happens once * per surface anyway and it's a small area, so it may not be worth * queuing this to the GPU. */ void *ts_map = etna_bo_map(rt_ts); memset(ts_map, screen->specs.ts_clear_value, rt_ts_size); return true; } static boolean etna_screen_can_create_resource(struct pipe_screen *pscreen, const struct pipe_resource *templat) { struct etna_screen *screen = etna_screen(pscreen); if (!translate_samples_to_xyscale(templat->nr_samples, NULL, NULL, NULL)) return false; /* templat->bind is not set here, so we must use the minimum sizes */ uint max_size = MIN2(screen->specs.max_rendertarget_size, screen->specs.max_texture_size); if (templat->width0 > max_size || templat->height0 > max_size) return false; return true; } static unsigned setup_miptree(struct etna_resource *rsc, unsigned paddingX, unsigned paddingY, unsigned msaa_xscale, unsigned msaa_yscale) { struct pipe_resource *prsc = &rsc->base; unsigned level, size = 0; unsigned width = prsc->width0; unsigned height = prsc->height0; unsigned depth = prsc->depth0; for (level = 0; level <= prsc->last_level; level++) { struct etna_resource_level *mip = &rsc->levels[level]; mip->width = width; mip->height = height; mip->padded_width = align(width * msaa_xscale, paddingX); mip->padded_height = align(height * msaa_yscale, paddingY); mip->stride = util_format_get_stride(prsc->format, mip->padded_width); mip->offset = size; mip->layer_stride = mip->stride * util_format_get_nblocksy(prsc->format, mip->padded_height); mip->size = prsc->array_size * mip->layer_stride; /* align levels to 64 bytes to be able to render to them */ size += align(mip->size, ETNA_PE_ALIGNMENT) * depth; width = u_minify(width, 1); height = u_minify(height, 1); depth = u_minify(depth, 1); } return size; } /* Create a new resource object, using the given template info */ struct pipe_resource * etna_resource_alloc(struct pipe_screen *pscreen, unsigned layout, const struct pipe_resource *templat) { struct etna_screen *screen = etna_screen(pscreen); unsigned size; DBG_F(ETNA_DBG_RESOURCE_MSGS, "target=%d, format=%s, %ux%ux%u, array_size=%u, " "last_level=%u, nr_samples=%u, usage=%u, bind=%x, flags=%x", templat->target, util_format_name(templat->format), templat->width0, templat->height0, templat->depth0, templat->array_size, templat->last_level, templat->nr_samples, templat->usage, templat->bind, templat->flags); /* Determine scaling for antialiasing, allow override using debug flag */ int nr_samples = templat->nr_samples; if ((templat->bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL)) && !(templat->bind & PIPE_BIND_SAMPLER_VIEW)) { if (DBG_ENABLED(ETNA_DBG_MSAA_2X)) nr_samples = 2; if (DBG_ENABLED(ETNA_DBG_MSAA_4X)) nr_samples = 4; } int msaa_xscale = 1, msaa_yscale = 1; if (!translate_samples_to_xyscale(nr_samples, &msaa_xscale, &msaa_yscale, NULL)) { /* Number of samples not supported */ return NULL; } /* If we have the TEXTURE_HALIGN feature, we can always align to the * resolve engine's width. If not, we must not align resources used * only for textures. */ bool rs_align = VIV_FEATURE(screen, chipMinorFeatures1, TEXTURE_HALIGN) || !etna_resource_sampler_only(templat); /* Determine needed padding (alignment of height/width) */ unsigned paddingX = 0, paddingY = 0; unsigned halign = TEXTURE_HALIGN_FOUR; etna_layout_multiple(layout, screen->specs.pixel_pipes, rs_align, &paddingX, &paddingY, &halign); assert(paddingX && paddingY); if (templat->target != PIPE_BUFFER) { unsigned min_paddingY = 4 * screen->specs.pixel_pipes; if (paddingY < min_paddingY) paddingY = min_paddingY; } struct etna_resource *rsc = CALLOC_STRUCT(etna_resource); if (!rsc) return NULL; rsc->base = *templat; rsc->base.screen = pscreen; rsc->base.nr_samples = nr_samples; rsc->layout = layout; rsc->halign = halign; pipe_reference_init(&rsc->base.reference, 1); list_inithead(&rsc->list); size = setup_miptree(rsc, paddingX, paddingY, msaa_xscale, msaa_yscale); uint32_t flags = DRM_ETNA_GEM_CACHE_WC; if (templat->bind & PIPE_BIND_VERTEX_BUFFER) flags |= DRM_ETNA_GEM_FORCE_MMU; struct etna_bo *bo = etna_bo_new(screen->dev, size, flags); if (unlikely(bo == NULL)) { BUG("Problem allocating video memory for resource"); return NULL; } rsc->bo = bo; rsc->ts_bo = 0; /* TS is only created when first bound to surface */ if (templat->bind & PIPE_BIND_SCANOUT) rsc->scanout = renderonly_scanout_for_resource(&rsc->base, screen->ro); if (DBG_ENABLED(ETNA_DBG_ZERO)) { void *map = etna_bo_map(bo); memset(map, 0, size); } return &rsc->base; } static struct pipe_resource * etna_resource_create(struct pipe_screen *pscreen, const struct pipe_resource *templat) { struct etna_screen *screen = etna_screen(pscreen); /* Figure out what tiling to use -- for now, assume that texture cannot be linear. * there is a capability LINEAR_TEXTURE_SUPPORT (supported on gc880 and * gc2000 at least), but not sure how it works. * Buffers always have LINEAR layout. */ unsigned layout = ETNA_LAYOUT_LINEAR; if (etna_resource_sampler_only(templat)) { /* The buffer is only used for texturing, so create something * directly compatible with the sampler. Such a buffer can * never be rendered to. */ layout = ETNA_LAYOUT_TILED; if (util_format_is_compressed(templat->format)) layout = ETNA_LAYOUT_LINEAR; } else if (templat->target != PIPE_BUFFER) { bool want_multitiled = false; bool want_supertiled = screen->specs.can_supertile && !DBG_ENABLED(ETNA_DBG_NO_SUPERTILE); /* When this GPU supports single-buffer rendering, don't ever enable * multi-tiling. This replicates the blob behavior on GC3000. */ if (!screen->specs.single_buffer) want_multitiled = screen->specs.pixel_pipes > 1; /* Keep single byte blocksized resources as tiled, since we * are unable to use the RS blit to de-tile them. However, * if they're used as a render target or depth/stencil, they * must be multi-tiled for GPUs with multiple pixel pipes. * Ignore depth/stencil here, but it is an error for a render * target. */ if (util_format_get_blocksize(templat->format) == 1 && !(templat->bind & PIPE_BIND_DEPTH_STENCIL)) { assert(!(templat->bind & PIPE_BIND_RENDER_TARGET && want_multitiled)); want_multitiled = want_supertiled = false; } layout = ETNA_LAYOUT_BIT_TILE; if (want_multitiled) layout |= ETNA_LAYOUT_BIT_MULTI; if (want_supertiled) layout |= ETNA_LAYOUT_BIT_SUPER; } if (templat->target == PIPE_TEXTURE_3D) layout = ETNA_LAYOUT_LINEAR; return etna_resource_alloc(pscreen, layout, templat); } static void etna_resource_changed(struct pipe_screen *pscreen, struct pipe_resource *prsc) { struct etna_resource *res = etna_resource(prsc); /* Make sure texture is older than the imported renderable buffer, * so etna_update_sampler_source will copy the pixel data again. */ if (res->texture) etna_resource(res->texture)->seqno = res->seqno - 1; } static void etna_resource_destroy(struct pipe_screen *pscreen, struct pipe_resource *prsc) { struct etna_resource *rsc = etna_resource(prsc); if (rsc->bo) etna_bo_del(rsc->bo); if (rsc->ts_bo) etna_bo_del(rsc->ts_bo); if (rsc->scanout) renderonly_scanout_destroy(rsc->scanout, etna_screen(pscreen)->ro); list_delinit(&rsc->list); pipe_resource_reference(&rsc->texture, NULL); FREE(rsc); } static struct pipe_resource * etna_resource_from_handle(struct pipe_screen *pscreen, const struct pipe_resource *tmpl, struct winsys_handle *handle, unsigned usage) { struct etna_screen *screen = etna_screen(pscreen); struct etna_resource *rsc = CALLOC_STRUCT(etna_resource); struct etna_resource_level *level = &rsc->levels[0]; struct pipe_resource *prsc = &rsc->base; struct pipe_resource *ptiled = NULL; DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, " "nr_samples=%u, usage=%u, bind=%x, flags=%x", tmpl->target, util_format_name(tmpl->format), tmpl->width0, tmpl->height0, tmpl->depth0, tmpl->array_size, tmpl->last_level, tmpl->nr_samples, tmpl->usage, tmpl->bind, tmpl->flags); if (!rsc) return NULL; *prsc = *tmpl; pipe_reference_init(&prsc->reference, 1); list_inithead(&rsc->list); prsc->screen = pscreen; rsc->bo = etna_screen_bo_from_handle(pscreen, handle, &level->stride); if (!rsc->bo) goto fail; rsc->seqno = 1; level->width = tmpl->width0; level->height = tmpl->height0; /* We will be using the RS to copy with this resource, so we must * ensure that it is appropriately aligned for the RS requirements. */ unsigned paddingX = ETNA_RS_WIDTH_MASK + 1; unsigned paddingY = (ETNA_RS_HEIGHT_MASK + 1) * screen->specs.pixel_pipes; level->padded_width = align(level->width, paddingX); level->padded_height = align(level->height, paddingY); /* The DDX must give us a BO which conforms to our padding size. * The stride of the BO must be greater or equal to our padded * stride. The size of the BO must accomodate the padded height. */ if (level->stride < util_format_get_stride(tmpl->format, level->padded_width)) { BUG("BO stride is too small for RS engine width padding"); goto fail; } if (etna_bo_size(rsc->bo) < level->stride * level->padded_height) { BUG("BO size is too small for RS engine height padding"); goto fail; } if (handle->type == DRM_API_HANDLE_TYPE_SHARED && tmpl->bind & PIPE_BIND_RENDER_TARGET) { /* Render targets are linear in Xorg but must be tiled * here. It would be nice if dri_drawable_get_format() * set scanout for these buffers too. */ struct etna_resource *tiled; ptiled = etna_resource_create(pscreen, tmpl); if (!ptiled) goto fail; tiled = etna_resource(ptiled); tiled->scanout = renderonly_scanout_for_prime(prsc, screen->ro); if (!tiled->scanout) goto fail; return ptiled; } return prsc; fail: etna_resource_destroy(pscreen, prsc); if (ptiled) etna_resource_destroy(pscreen, ptiled); return NULL; } static boolean etna_resource_get_handle(struct pipe_screen *pscreen, struct pipe_context *pctx, struct pipe_resource *prsc, struct winsys_handle *handle, unsigned usage) { struct etna_resource *rsc = etna_resource(prsc); if (renderonly_get_handle(rsc->scanout, handle)) return TRUE; return etna_screen_bo_get_handle(pscreen, rsc->bo, rsc->levels[0].stride, handle); } void etna_resource_used(struct etna_context *ctx, struct pipe_resource *prsc, enum etna_resource_status status) { struct etna_resource *rsc; if (!prsc) return; rsc = etna_resource(prsc); rsc->status |= status; /* TODO resources can actually be shared across contexts, * so I'm not sure a single list-head will do the trick? */ debug_assert((rsc->pending_ctx == ctx) || !rsc->pending_ctx); list_delinit(&rsc->list); list_addtail(&rsc->list, &ctx->used_resources); rsc->pending_ctx = ctx; } void etna_resource_wait(struct pipe_context *pctx, struct etna_resource *rsc) { if (rsc->status & ETNA_PENDING_WRITE) { struct pipe_fence_handle *fence; struct pipe_screen *pscreen = pctx->screen; pctx->flush(pctx, &fence, 0); if (!pscreen->fence_finish(pscreen, pctx, fence, 5000000000ULL)) BUG("fence timed out (hung GPU?)"); pscreen->fence_reference(pscreen, &fence, NULL); } } void etna_resource_screen_init(struct pipe_screen *pscreen) { pscreen->can_create_resource = etna_screen_can_create_resource; pscreen->resource_create = etna_resource_create; pscreen->resource_from_handle = etna_resource_from_handle; pscreen->resource_get_handle = etna_resource_get_handle; pscreen->resource_changed = etna_resource_changed; pscreen->resource_destroy = etna_resource_destroy; }