| /* |
| * 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 <laanwj@gmail.com> |
| */ |
| |
| #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); |
| 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->bind != 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); |
| |
| struct etna_bo *bo = etna_bo_new(screen->dev, size, DRM_ETNA_GEM_CACHE_WC); |
| 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 textures cannot be |
| * supertiled, and cannot be linear. |
| * There is a feature flag SUPERTILED_TEXTURE (not supported on any known hw) |
| * that may allow this, as well |
| * as 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 = screen->specs.pixel_pipes > 1; |
| bool want_supertiled = screen->specs.can_supertile && !DBG_ENABLED(ETNA_DBG_NO_SUPERTILE); |
| |
| /* 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_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); |
| |
| 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; |
| |
| 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_destroy = etna_resource_destroy; |
| } |