| /* |
| * 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. |
| * |
| * Authors: |
| * Rob Clark <robclark@freedesktop.org> |
| */ |
| |
| #include "util/format/u_format.h" |
| #include "util/format/u_format_rgtc.h" |
| #include "util/format/u_format_zs.h" |
| #include "util/u_inlines.h" |
| #include "util/u_transfer.h" |
| #include "util/u_string.h" |
| #include "util/u_surface.h" |
| #include "util/set.h" |
| #include "util/u_drm.h" |
| |
| #include "freedreno_resource.h" |
| #include "freedreno_batch_cache.h" |
| #include "freedreno_blitter.h" |
| #include "freedreno_fence.h" |
| #include "freedreno_screen.h" |
| #include "freedreno_surface.h" |
| #include "freedreno_context.h" |
| #include "freedreno_query_hw.h" |
| #include "freedreno_util.h" |
| |
| #include "drm-uapi/drm_fourcc.h" |
| #include <errno.h> |
| |
| /* XXX this should go away, needed for 'struct winsys_handle' */ |
| #include "frontend/drm_driver.h" |
| |
| /* A private modifier for now, so we have a way to request tiled but not |
| * compressed. It would perhaps be good to get real modifiers for the |
| * tiled formats, but would probably need to do some work to figure out |
| * the layout(s) of the tiled modes, and whether they are the same |
| * across generations. |
| */ |
| #define FD_FORMAT_MOD_QCOM_TILED fourcc_mod_code(QCOM, 0xffffffff) |
| |
| /** |
| * Go through the entire state and see if the resource is bound |
| * anywhere. If it is, mark the relevant state as dirty. This is |
| * called on realloc_bo to ensure the necessary state is re- |
| * emitted so the GPU looks at the new backing bo. |
| */ |
| static void |
| rebind_resource_in_ctx(struct fd_context *ctx, struct fd_resource *rsc) |
| { |
| struct pipe_resource *prsc = &rsc->base; |
| |
| if (ctx->rebind_resource) |
| ctx->rebind_resource(ctx, rsc); |
| |
| /* VBOs */ |
| if (rsc->dirty & FD_DIRTY_VTXBUF) { |
| struct fd_vertexbuf_stateobj *vb = &ctx->vtx.vertexbuf; |
| for (unsigned i = 0; i < vb->count && !(ctx->dirty & FD_DIRTY_VTXBUF); i++) { |
| if (vb->vb[i].buffer.resource == prsc) |
| ctx->dirty |= FD_DIRTY_VTXBUF; |
| } |
| } |
| |
| const enum fd_dirty_3d_state per_stage_dirty = |
| FD_DIRTY_CONST | FD_DIRTY_TEX | FD_DIRTY_IMAGE | FD_DIRTY_SSBO; |
| |
| if (!(rsc->dirty & per_stage_dirty)) |
| return; |
| |
| /* per-shader-stage resources: */ |
| for (unsigned stage = 0; stage < PIPE_SHADER_TYPES; stage++) { |
| /* Constbufs.. note that constbuf[0] is normal uniforms emitted in |
| * cmdstream rather than by pointer.. |
| */ |
| if ((rsc->dirty & FD_DIRTY_CONST) && |
| !(ctx->dirty_shader[stage] & FD_DIRTY_CONST)) { |
| struct fd_constbuf_stateobj *cb = &ctx->constbuf[stage]; |
| const unsigned num_ubos = util_last_bit(cb->enabled_mask); |
| for (unsigned i = 1; i < num_ubos; i++) { |
| if (cb->cb[i].buffer == prsc) { |
| ctx->dirty_shader[stage] |= FD_DIRTY_SHADER_CONST; |
| ctx->dirty |= FD_DIRTY_CONST; |
| break; |
| } |
| } |
| } |
| |
| /* Textures */ |
| if ((rsc->dirty & FD_DIRTY_TEX) && |
| !(ctx->dirty_shader[stage] & FD_DIRTY_TEX)) { |
| struct fd_texture_stateobj *tex = &ctx->tex[stage]; |
| for (unsigned i = 0; i < tex->num_textures; i++) { |
| if (tex->textures[i] && (tex->textures[i]->texture == prsc)) { |
| ctx->dirty_shader[stage] |= FD_DIRTY_SHADER_TEX; |
| ctx->dirty |= FD_DIRTY_TEX; |
| break; |
| } |
| } |
| } |
| |
| /* Images */ |
| if ((rsc->dirty & FD_DIRTY_IMAGE) && |
| !(ctx->dirty_shader[stage] & FD_DIRTY_IMAGE)) { |
| struct fd_shaderimg_stateobj *si = &ctx->shaderimg[stage]; |
| const unsigned num_images = util_last_bit(si->enabled_mask); |
| for (unsigned i = 0; i < num_images; i++) { |
| if (si->si[i].resource == prsc) { |
| ctx->dirty_shader[stage] |= FD_DIRTY_SHADER_IMAGE; |
| ctx->dirty |= FD_DIRTY_IMAGE; |
| break; |
| } |
| } |
| } |
| |
| /* SSBOs */ |
| if ((rsc->dirty & FD_DIRTY_SSBO) && |
| !(ctx->dirty_shader[stage] & FD_DIRTY_SSBO)) { |
| struct fd_shaderbuf_stateobj *sb = &ctx->shaderbuf[stage]; |
| const unsigned num_ssbos = util_last_bit(sb->enabled_mask); |
| for (unsigned i = 0; i < num_ssbos; i++) { |
| if (sb->sb[i].buffer == prsc) { |
| ctx->dirty_shader[stage] |= FD_DIRTY_SHADER_SSBO; |
| ctx->dirty |= FD_DIRTY_SSBO; |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| static void |
| rebind_resource(struct fd_resource *rsc) |
| { |
| struct fd_screen *screen = fd_screen(rsc->base.screen); |
| |
| fd_screen_lock(screen); |
| fd_resource_lock(rsc); |
| |
| if (rsc->dirty) |
| list_for_each_entry (struct fd_context, ctx, &screen->context_list, node) |
| rebind_resource_in_ctx(ctx, rsc); |
| |
| fd_resource_unlock(rsc); |
| fd_screen_unlock(screen); |
| } |
| |
| static void |
| realloc_bo(struct fd_resource *rsc, uint32_t size) |
| { |
| struct pipe_resource *prsc = &rsc->base; |
| struct fd_screen *screen = fd_screen(rsc->base.screen); |
| uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE | |
| DRM_FREEDRENO_GEM_TYPE_KMEM | |
| COND(prsc->bind & PIPE_BIND_SCANOUT, DRM_FREEDRENO_GEM_SCANOUT); |
| /* TODO other flags? */ |
| |
| /* if we start using things other than write-combine, |
| * be sure to check for PIPE_RESOURCE_FLAG_MAP_COHERENT |
| */ |
| |
| if (rsc->bo) |
| fd_bo_del(rsc->bo); |
| |
| rsc->bo = fd_bo_new(screen->dev, size, flags, "%ux%ux%u@%u:%x", |
| prsc->width0, prsc->height0, prsc->depth0, rsc->layout.cpp, prsc->bind); |
| |
| /* Zero out the UBWC area on allocation. This fixes intermittent failures |
| * with UBWC, which I suspect are due to the HW having a hard time |
| * interpreting arbitrary values populating the flags buffer when the BO |
| * was recycled through the bo cache (instead of fresh allocations from |
| * the kernel, which are zeroed). sleep(1) in this spot didn't work |
| * around the issue, but any memset value seems to. |
| */ |
| if (rsc->layout.ubwc) { |
| void *buf = fd_bo_map(rsc->bo); |
| memset(buf, 0, rsc->layout.slices[0].offset); |
| } |
| |
| rsc->seqno = p_atomic_inc_return(&screen->rsc_seqno); |
| util_range_set_empty(&rsc->valid_buffer_range); |
| fd_bc_invalidate_resource(rsc, true); |
| } |
| |
| static void |
| do_blit(struct fd_context *ctx, const struct pipe_blit_info *blit, bool fallback) |
| { |
| struct pipe_context *pctx = &ctx->base; |
| |
| /* TODO size threshold too?? */ |
| if (fallback || !fd_blit(pctx, blit)) { |
| /* do blit on cpu: */ |
| util_resource_copy_region(pctx, |
| blit->dst.resource, blit->dst.level, blit->dst.box.x, |
| blit->dst.box.y, blit->dst.box.z, |
| blit->src.resource, blit->src.level, &blit->src.box); |
| } |
| } |
| |
| /** |
| * @rsc: the resource to shadow |
| * @level: the level to discard (if box != NULL, otherwise ignored) |
| * @box: the box to discard (or NULL if none) |
| * @modifier: the modifier for the new buffer state |
| */ |
| static bool |
| fd_try_shadow_resource(struct fd_context *ctx, struct fd_resource *rsc, |
| unsigned level, const struct pipe_box *box, uint64_t modifier) |
| { |
| struct pipe_context *pctx = &ctx->base; |
| struct pipe_resource *prsc = &rsc->base; |
| bool fallback = false; |
| |
| if (prsc->next) |
| return false; |
| |
| /* TODO: somehow munge dimensions and format to copy unsupported |
| * render target format to something that is supported? |
| */ |
| if (!pctx->screen->is_format_supported(pctx->screen, |
| prsc->format, prsc->target, prsc->nr_samples, |
| prsc->nr_storage_samples, |
| PIPE_BIND_RENDER_TARGET)) |
| fallback = true; |
| |
| /* do shadowing back-blits on the cpu for buffers: */ |
| if (prsc->target == PIPE_BUFFER) |
| fallback = true; |
| |
| bool discard_whole_level = box && util_texrange_covers_whole_level(prsc, level, |
| box->x, box->y, box->z, box->width, box->height, box->depth); |
| |
| /* TODO need to be more clever about current level */ |
| if ((prsc->target >= PIPE_TEXTURE_2D) && box && !discard_whole_level) |
| return false; |
| |
| struct pipe_resource *pshadow = |
| pctx->screen->resource_create_with_modifiers(pctx->screen, |
| prsc, &modifier, 1); |
| |
| if (!pshadow) |
| return false; |
| |
| assert(!ctx->in_shadow); |
| ctx->in_shadow = true; |
| |
| /* get rid of any references that batch-cache might have to us (which |
| * should empty/destroy rsc->batches hashset) |
| */ |
| fd_bc_invalidate_resource(rsc, false); |
| rebind_resource(rsc); |
| |
| fd_screen_lock(ctx->screen); |
| |
| /* Swap the backing bo's, so shadow becomes the old buffer, |
| * blit from shadow to new buffer. From here on out, we |
| * cannot fail. |
| * |
| * Note that we need to do it in this order, otherwise if |
| * we go down cpu blit path, the recursive transfer_map() |
| * sees the wrong status.. |
| */ |
| struct fd_resource *shadow = fd_resource(pshadow); |
| |
| DBG("shadow: %p (%d) -> %p (%d)\n", rsc, rsc->base.reference.count, |
| shadow, shadow->base.reference.count); |
| |
| /* TODO valid_buffer_range?? */ |
| swap(rsc->bo, shadow->bo); |
| swap(rsc->write_batch, shadow->write_batch); |
| swap(rsc->layout, shadow->layout); |
| rsc->seqno = p_atomic_inc_return(&ctx->screen->rsc_seqno); |
| |
| /* at this point, the newly created shadow buffer is not referenced |
| * by any batches, but the existing rsc (probably) is. We need to |
| * transfer those references over: |
| */ |
| debug_assert(shadow->batch_mask == 0); |
| struct fd_batch *batch; |
| foreach_batch(batch, &ctx->screen->batch_cache, rsc->batch_mask) { |
| struct set_entry *entry = _mesa_set_search(batch->resources, rsc); |
| _mesa_set_remove(batch->resources, entry); |
| _mesa_set_add(batch->resources, shadow); |
| } |
| swap(rsc->batch_mask, shadow->batch_mask); |
| |
| fd_screen_unlock(ctx->screen); |
| |
| struct pipe_blit_info blit = {}; |
| blit.dst.resource = prsc; |
| blit.dst.format = prsc->format; |
| blit.src.resource = pshadow; |
| blit.src.format = pshadow->format; |
| blit.mask = util_format_get_mask(prsc->format); |
| blit.filter = PIPE_TEX_FILTER_NEAREST; |
| |
| #define set_box(field, val) do { \ |
| blit.dst.field = (val); \ |
| blit.src.field = (val); \ |
| } while (0) |
| |
| /* blit the other levels in their entirety: */ |
| for (unsigned l = 0; l <= prsc->last_level; l++) { |
| if (box && l == level) |
| continue; |
| |
| /* just blit whole level: */ |
| set_box(level, l); |
| set_box(box.width, u_minify(prsc->width0, l)); |
| set_box(box.height, u_minify(prsc->height0, l)); |
| set_box(box.depth, u_minify(prsc->depth0, l)); |
| |
| for (int i = 0; i < prsc->array_size; i++) { |
| set_box(box.z, i); |
| do_blit(ctx, &blit, fallback); |
| } |
| } |
| |
| /* deal w/ current level specially, since we might need to split |
| * it up into a couple blits: |
| */ |
| if (box && !discard_whole_level) { |
| set_box(level, level); |
| |
| switch (prsc->target) { |
| case PIPE_BUFFER: |
| case PIPE_TEXTURE_1D: |
| set_box(box.y, 0); |
| set_box(box.z, 0); |
| set_box(box.height, 1); |
| set_box(box.depth, 1); |
| |
| if (box->x > 0) { |
| set_box(box.x, 0); |
| set_box(box.width, box->x); |
| |
| do_blit(ctx, &blit, fallback); |
| } |
| if ((box->x + box->width) < u_minify(prsc->width0, level)) { |
| set_box(box.x, box->x + box->width); |
| set_box(box.width, u_minify(prsc->width0, level) - (box->x + box->width)); |
| |
| do_blit(ctx, &blit, fallback); |
| } |
| break; |
| case PIPE_TEXTURE_2D: |
| /* TODO */ |
| default: |
| unreachable("TODO"); |
| } |
| } |
| |
| ctx->in_shadow = false; |
| |
| pipe_resource_reference(&pshadow, NULL); |
| |
| return true; |
| } |
| |
| /** |
| * Uncompress an UBWC compressed buffer "in place". This works basically |
| * like resource shadowing, creating a new resource, and doing an uncompress |
| * blit, and swapping the state between shadow and original resource so it |
| * appears to the gallium frontends as if nothing changed. |
| */ |
| void |
| fd_resource_uncompress(struct fd_context *ctx, struct fd_resource *rsc) |
| { |
| bool success = |
| fd_try_shadow_resource(ctx, rsc, 0, NULL, FD_FORMAT_MOD_QCOM_TILED); |
| |
| /* shadow should not fail in any cases where we need to uncompress: */ |
| debug_assert(success); |
| } |
| |
| static struct fd_resource * |
| fd_alloc_staging(struct fd_context *ctx, struct fd_resource *rsc, |
| unsigned level, const struct pipe_box *box) |
| { |
| struct pipe_context *pctx = &ctx->base; |
| struct pipe_resource tmpl = rsc->base; |
| |
| tmpl.width0 = box->width; |
| tmpl.height0 = box->height; |
| /* for array textures, box->depth is the array_size, otherwise |
| * for 3d textures, it is the depth: |
| */ |
| if (tmpl.array_size > 1) { |
| if (tmpl.target == PIPE_TEXTURE_CUBE) |
| tmpl.target = PIPE_TEXTURE_2D_ARRAY; |
| tmpl.array_size = box->depth; |
| tmpl.depth0 = 1; |
| } else { |
| tmpl.array_size = 1; |
| tmpl.depth0 = box->depth; |
| } |
| tmpl.last_level = 0; |
| tmpl.bind |= PIPE_BIND_LINEAR; |
| |
| struct pipe_resource *pstaging = |
| pctx->screen->resource_create(pctx->screen, &tmpl); |
| if (!pstaging) |
| return NULL; |
| |
| return fd_resource(pstaging); |
| } |
| |
| static void |
| fd_blit_from_staging(struct fd_context *ctx, struct fd_transfer *trans) |
| { |
| struct pipe_resource *dst = trans->base.resource; |
| struct pipe_blit_info blit = {}; |
| |
| blit.dst.resource = dst; |
| blit.dst.format = dst->format; |
| blit.dst.level = trans->base.level; |
| blit.dst.box = trans->base.box; |
| blit.src.resource = trans->staging_prsc; |
| blit.src.format = trans->staging_prsc->format; |
| blit.src.level = 0; |
| blit.src.box = trans->staging_box; |
| blit.mask = util_format_get_mask(trans->staging_prsc->format); |
| blit.filter = PIPE_TEX_FILTER_NEAREST; |
| |
| do_blit(ctx, &blit, false); |
| } |
| |
| static void |
| fd_blit_to_staging(struct fd_context *ctx, struct fd_transfer *trans) |
| { |
| struct pipe_resource *src = trans->base.resource; |
| struct pipe_blit_info blit = {}; |
| |
| blit.src.resource = src; |
| blit.src.format = src->format; |
| blit.src.level = trans->base.level; |
| blit.src.box = trans->base.box; |
| blit.dst.resource = trans->staging_prsc; |
| blit.dst.format = trans->staging_prsc->format; |
| blit.dst.level = 0; |
| blit.dst.box = trans->staging_box; |
| blit.mask = util_format_get_mask(trans->staging_prsc->format); |
| blit.filter = PIPE_TEX_FILTER_NEAREST; |
| |
| do_blit(ctx, &blit, false); |
| } |
| |
| static void fd_resource_transfer_flush_region(struct pipe_context *pctx, |
| struct pipe_transfer *ptrans, |
| const struct pipe_box *box) |
| { |
| struct fd_resource *rsc = fd_resource(ptrans->resource); |
| |
| if (ptrans->resource->target == PIPE_BUFFER) |
| util_range_add(&rsc->base, &rsc->valid_buffer_range, |
| ptrans->box.x + box->x, |
| ptrans->box.x + box->x + box->width); |
| } |
| |
| static void |
| flush_resource(struct fd_context *ctx, struct fd_resource *rsc, unsigned usage) |
| { |
| struct fd_batch *write_batch = NULL; |
| |
| fd_screen_lock(ctx->screen); |
| fd_batch_reference_locked(&write_batch, rsc->write_batch); |
| fd_screen_unlock(ctx->screen); |
| |
| if (usage & PIPE_TRANSFER_WRITE) { |
| struct fd_batch *batch, *batches[32] = {}; |
| uint32_t batch_mask; |
| |
| /* This is a bit awkward, probably a fd_batch_flush_locked() |
| * would make things simpler.. but we need to hold the lock |
| * to iterate the batches which reference this resource. So |
| * we must first grab references under a lock, then flush. |
| */ |
| fd_screen_lock(ctx->screen); |
| batch_mask = rsc->batch_mask; |
| foreach_batch(batch, &ctx->screen->batch_cache, batch_mask) |
| fd_batch_reference_locked(&batches[batch->idx], batch); |
| fd_screen_unlock(ctx->screen); |
| |
| foreach_batch(batch, &ctx->screen->batch_cache, batch_mask) |
| fd_batch_flush(batch); |
| |
| foreach_batch(batch, &ctx->screen->batch_cache, batch_mask) { |
| fd_batch_reference(&batches[batch->idx], NULL); |
| } |
| assert(rsc->batch_mask == 0); |
| } else if (write_batch) { |
| fd_batch_flush(write_batch); |
| } |
| |
| fd_batch_reference(&write_batch, NULL); |
| |
| assert(!rsc->write_batch); |
| } |
| |
| static void |
| fd_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc) |
| { |
| flush_resource(fd_context(pctx), fd_resource(prsc), PIPE_TRANSFER_READ); |
| } |
| |
| static void |
| fd_resource_transfer_unmap(struct pipe_context *pctx, |
| struct pipe_transfer *ptrans) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| struct fd_resource *rsc = fd_resource(ptrans->resource); |
| struct fd_transfer *trans = fd_transfer(ptrans); |
| |
| if (trans->staging_prsc) { |
| if (ptrans->usage & PIPE_TRANSFER_WRITE) |
| fd_blit_from_staging(ctx, trans); |
| pipe_resource_reference(&trans->staging_prsc, NULL); |
| } |
| |
| if (!(ptrans->usage & PIPE_TRANSFER_UNSYNCHRONIZED)) { |
| fd_bo_cpu_fini(rsc->bo); |
| } |
| |
| util_range_add(&rsc->base, &rsc->valid_buffer_range, |
| ptrans->box.x, |
| ptrans->box.x + ptrans->box.width); |
| |
| pipe_resource_reference(&ptrans->resource, NULL); |
| slab_free(&ctx->transfer_pool, ptrans); |
| } |
| |
| static void * |
| fd_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 fd_context *ctx = fd_context(pctx); |
| struct fd_resource *rsc = fd_resource(prsc); |
| struct fd_transfer *trans; |
| struct pipe_transfer *ptrans; |
| enum pipe_format format = prsc->format; |
| uint32_t op = 0; |
| uint32_t offset; |
| char *buf; |
| int ret = 0; |
| |
| DBG("prsc=%p, level=%u, usage=%x, box=%dx%d+%d,%d", prsc, level, usage, |
| box->width, box->height, box->x, box->y); |
| |
| if ((usage & PIPE_TRANSFER_MAP_DIRECTLY) && rsc->layout.tile_mode) { |
| DBG("CANNOT MAP DIRECTLY!\n"); |
| return NULL; |
| } |
| |
| ptrans = slab_alloc(&ctx->transfer_pool); |
| if (!ptrans) |
| return NULL; |
| |
| /* slab_alloc_st() doesn't zero: */ |
| trans = fd_transfer(ptrans); |
| memset(trans, 0, sizeof(*trans)); |
| |
| pipe_resource_reference(&ptrans->resource, prsc); |
| ptrans->level = level; |
| ptrans->usage = usage; |
| ptrans->box = *box; |
| ptrans->stride = fd_resource_pitch(rsc, level); |
| ptrans->layer_stride = fd_resource_layer_stride(rsc, level); |
| |
| /* we always need a staging texture for tiled buffers: |
| * |
| * TODO we might sometimes want to *also* shadow the resource to avoid |
| * splitting a batch.. for ex, mid-frame texture uploads to a tiled |
| * texture. |
| */ |
| if (rsc->layout.tile_mode) { |
| struct fd_resource *staging_rsc; |
| |
| staging_rsc = fd_alloc_staging(ctx, rsc, level, box); |
| if (staging_rsc) { |
| // TODO for PIPE_TRANSFER_READ, need to do untiling blit.. |
| trans->staging_prsc = &staging_rsc->base; |
| trans->base.stride = fd_resource_pitch(staging_rsc, 0); |
| trans->base.layer_stride = fd_resource_layer_stride(staging_rsc, 0); |
| trans->staging_box = *box; |
| trans->staging_box.x = 0; |
| trans->staging_box.y = 0; |
| trans->staging_box.z = 0; |
| |
| if (usage & PIPE_TRANSFER_READ) { |
| fd_blit_to_staging(ctx, trans); |
| |
| fd_bo_cpu_prep(staging_rsc->bo, ctx->pipe, |
| DRM_FREEDRENO_PREP_READ); |
| } |
| |
| buf = fd_bo_map(staging_rsc->bo); |
| offset = 0; |
| |
| *pptrans = ptrans; |
| |
| ctx->stats.staging_uploads++; |
| |
| return buf; |
| } |
| } |
| |
| if (ctx->in_shadow && !(usage & PIPE_TRANSFER_READ)) |
| usage |= PIPE_TRANSFER_UNSYNCHRONIZED; |
| |
| if (usage & PIPE_TRANSFER_READ) |
| op |= DRM_FREEDRENO_PREP_READ; |
| |
| if (usage & PIPE_TRANSFER_WRITE) |
| op |= DRM_FREEDRENO_PREP_WRITE; |
| |
| bool needs_flush = pending(rsc, !!(usage & PIPE_TRANSFER_WRITE)); |
| |
| if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) { |
| if (needs_flush || fd_resource_busy(rsc, op)) { |
| rebind_resource(rsc); |
| realloc_bo(rsc, fd_bo_size(rsc->bo)); |
| } |
| } else if ((usage & PIPE_TRANSFER_WRITE) && |
| prsc->target == PIPE_BUFFER && |
| !util_ranges_intersect(&rsc->valid_buffer_range, |
| box->x, box->x + box->width)) { |
| /* We are trying to write to a previously uninitialized range. No need |
| * to wait. |
| */ |
| } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) { |
| struct fd_batch *write_batch = NULL; |
| |
| /* hold a reference, so it doesn't disappear under us: */ |
| fd_context_lock(ctx); |
| fd_batch_reference_locked(&write_batch, rsc->write_batch); |
| fd_context_unlock(ctx); |
| |
| if ((usage & PIPE_TRANSFER_WRITE) && write_batch && |
| write_batch->back_blit) { |
| /* if only thing pending is a back-blit, we can discard it: */ |
| fd_batch_reset(write_batch); |
| } |
| |
| /* If the GPU is writing to the resource, or if it is reading from the |
| * resource and we're trying to write to it, flush the renders. |
| */ |
| bool busy = needs_flush || fd_resource_busy(rsc, op); |
| |
| /* if we need to flush/stall, see if we can make a shadow buffer |
| * to avoid this: |
| * |
| * TODO we could go down this path !reorder && !busy_for_read |
| * ie. we only *don't* want to go down this path if the blit |
| * will trigger a flush! |
| */ |
| if (ctx->screen->reorder && busy && !(usage & PIPE_TRANSFER_READ) && |
| (usage & PIPE_TRANSFER_DISCARD_RANGE)) { |
| /* try shadowing only if it avoids a flush, otherwise staging would |
| * be better: |
| */ |
| if (needs_flush && fd_try_shadow_resource(ctx, rsc, level, |
| box, DRM_FORMAT_MOD_LINEAR)) { |
| needs_flush = busy = false; |
| ctx->stats.shadow_uploads++; |
| } else { |
| struct fd_resource *staging_rsc; |
| |
| if (needs_flush) { |
| flush_resource(ctx, rsc, usage); |
| needs_flush = false; |
| } |
| |
| /* in this case, we don't need to shadow the whole resource, |
| * since any draw that references the previous contents has |
| * already had rendering flushed for all tiles. So we can |
| * use a staging buffer to do the upload. |
| */ |
| staging_rsc = fd_alloc_staging(ctx, rsc, level, box); |
| if (staging_rsc) { |
| trans->staging_prsc = &staging_rsc->base; |
| trans->base.stride = fd_resource_pitch(staging_rsc, 0); |
| trans->base.layer_stride = |
| fd_resource_layer_stride(staging_rsc, 0); |
| trans->staging_box = *box; |
| trans->staging_box.x = 0; |
| trans->staging_box.y = 0; |
| trans->staging_box.z = 0; |
| buf = fd_bo_map(staging_rsc->bo); |
| offset = 0; |
| |
| *pptrans = ptrans; |
| |
| fd_batch_reference(&write_batch, NULL); |
| |
| ctx->stats.staging_uploads++; |
| |
| return buf; |
| } |
| } |
| } |
| |
| if (needs_flush) { |
| flush_resource(ctx, rsc, usage); |
| needs_flush = false; |
| } |
| |
| fd_batch_reference(&write_batch, NULL); |
| |
| /* The GPU keeps track of how the various bo's are being used, and |
| * will wait if necessary for the proper operation to have |
| * completed. |
| */ |
| if (busy) { |
| ret = fd_bo_cpu_prep(rsc->bo, ctx->pipe, op); |
| if (ret) |
| goto fail; |
| } |
| } |
| |
| buf = fd_bo_map(rsc->bo); |
| offset = |
| box->y / util_format_get_blockheight(format) * ptrans->stride + |
| box->x / util_format_get_blockwidth(format) * rsc->layout.cpp + |
| fd_resource_offset(rsc, level, box->z); |
| |
| if (usage & PIPE_TRANSFER_WRITE) |
| rsc->valid = true; |
| |
| *pptrans = ptrans; |
| |
| return buf + offset; |
| |
| fail: |
| fd_resource_transfer_unmap(pctx, ptrans); |
| return NULL; |
| } |
| |
| static void |
| fd_resource_destroy(struct pipe_screen *pscreen, |
| struct pipe_resource *prsc) |
| { |
| struct fd_resource *rsc = fd_resource(prsc); |
| fd_bc_invalidate_resource(rsc, true); |
| if (rsc->bo) |
| fd_bo_del(rsc->bo); |
| if (rsc->scanout) |
| renderonly_scanout_destroy(rsc->scanout, fd_screen(pscreen)->ro); |
| |
| util_range_destroy(&rsc->valid_buffer_range); |
| simple_mtx_destroy(&rsc->lock); |
| FREE(rsc); |
| } |
| |
| static uint64_t |
| fd_resource_modifier(struct fd_resource *rsc) |
| { |
| if (!rsc->layout.tile_mode) |
| return DRM_FORMAT_MOD_LINEAR; |
| |
| if (rsc->layout.ubwc_layer_size) |
| return DRM_FORMAT_MOD_QCOM_COMPRESSED; |
| |
| /* TODO invent a modifier for tiled but not UBWC buffers: */ |
| return DRM_FORMAT_MOD_INVALID; |
| } |
| |
| static bool |
| fd_resource_get_handle(struct pipe_screen *pscreen, |
| struct pipe_context *pctx, |
| struct pipe_resource *prsc, |
| struct winsys_handle *handle, |
| unsigned usage) |
| { |
| struct fd_resource *rsc = fd_resource(prsc); |
| |
| handle->modifier = fd_resource_modifier(rsc); |
| |
| return fd_screen_bo_get_handle(pscreen, rsc->bo, rsc->scanout, |
| fd_resource_pitch(rsc, 0), handle); |
| } |
| |
| /* special case to resize query buf after allocated.. */ |
| void |
| fd_resource_resize(struct pipe_resource *prsc, uint32_t sz) |
| { |
| struct fd_resource *rsc = fd_resource(prsc); |
| |
| debug_assert(prsc->width0 == 0); |
| debug_assert(prsc->target == PIPE_BUFFER); |
| debug_assert(prsc->bind == PIPE_BIND_QUERY_BUFFER); |
| |
| prsc->width0 = sz; |
| realloc_bo(rsc, fd_screen(prsc->screen)->setup_slices(rsc)); |
| } |
| |
| static void |
| fd_resource_layout_init(struct pipe_resource *prsc) |
| { |
| struct fd_resource *rsc = fd_resource(prsc); |
| struct fdl_layout *layout = &rsc->layout; |
| |
| layout->format = prsc->format; |
| |
| layout->width0 = prsc->width0; |
| layout->height0 = prsc->height0; |
| layout->depth0 = prsc->depth0; |
| |
| layout->cpp = util_format_get_blocksize(prsc->format); |
| layout->cpp *= fd_resource_nr_samples(prsc); |
| layout->cpp_shift = ffs(layout->cpp) - 1; |
| } |
| |
| /** |
| * Create a new texture object, using the given template info. |
| */ |
| static struct pipe_resource * |
| fd_resource_create_with_modifiers(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl, |
| const uint64_t *modifiers, int count) |
| { |
| struct fd_screen *screen = fd_screen(pscreen); |
| struct fd_resource *rsc; |
| struct pipe_resource *prsc; |
| enum pipe_format format = tmpl->format; |
| uint32_t size; |
| |
| /* when using kmsro, scanout buffers are allocated on the display device |
| * create_with_modifiers() doesn't give us usage flags, so we have to |
| * assume that all calls with modifiers are scanout-possible |
| */ |
| if (screen->ro && |
| ((tmpl->bind & PIPE_BIND_SCANOUT) || |
| !(count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID))) { |
| struct pipe_resource scanout_templat = *tmpl; |
| struct renderonly_scanout *scanout; |
| struct winsys_handle handle; |
| |
| /* note: alignment is wrong for a6xx */ |
| scanout_templat.width0 = align(tmpl->width0, screen->gmem_alignw); |
| |
| scanout = renderonly_scanout_for_resource(&scanout_templat, |
| screen->ro, &handle); |
| if (!scanout) |
| return NULL; |
| |
| renderonly_scanout_destroy(scanout, screen->ro); |
| |
| assert(handle.type == WINSYS_HANDLE_TYPE_FD); |
| rsc = fd_resource(pscreen->resource_from_handle(pscreen, tmpl, |
| &handle, |
| PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE)); |
| close(handle.handle); |
| if (!rsc) |
| return NULL; |
| |
| return &rsc->base; |
| } |
| |
| rsc = CALLOC_STRUCT(fd_resource); |
| prsc = &rsc->base; |
| |
| DBG("%p: target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, " |
| "nr_samples=%u, usage=%u, bind=%x, flags=%x", prsc, |
| tmpl->target, util_format_name(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; |
| fd_resource_layout_init(prsc); |
| |
| #define LINEAR \ |
| (PIPE_BIND_SCANOUT | \ |
| PIPE_BIND_LINEAR | \ |
| PIPE_BIND_DISPLAY_TARGET) |
| |
| bool linear = drm_find_modifier(DRM_FORMAT_MOD_LINEAR, modifiers, count); |
| if (tmpl->bind & LINEAR) |
| linear = true; |
| |
| if (fd_mesa_debug & FD_DBG_NOTILE) |
| linear = true; |
| |
| /* Normally, for non-shared buffers, allow buffer compression if |
| * not shared, otherwise only allow if QCOM_COMPRESSED modifier |
| * is requested: |
| * |
| * TODO we should probably also limit tiled in a similar way, |
| * except we don't have a format modifier for tiled. (We probably |
| * should.) |
| */ |
| bool allow_ubwc = drm_find_modifier(DRM_FORMAT_MOD_INVALID, modifiers, count); |
| if (tmpl->bind & PIPE_BIND_SHARED) |
| allow_ubwc = drm_find_modifier(DRM_FORMAT_MOD_QCOM_COMPRESSED, modifiers, count); |
| |
| allow_ubwc &= !(fd_mesa_debug & FD_DBG_NOUBWC); |
| |
| pipe_reference_init(&prsc->reference, 1); |
| |
| prsc->screen = pscreen; |
| |
| if (screen->tile_mode && |
| (tmpl->target != PIPE_BUFFER) && |
| !linear) { |
| rsc->layout.tile_mode = screen->tile_mode(prsc); |
| } |
| |
| util_range_init(&rsc->valid_buffer_range); |
| |
| simple_mtx_init(&rsc->lock, mtx_plain); |
| |
| rsc->internal_format = format; |
| |
| rsc->layout.ubwc = rsc->layout.tile_mode && is_a6xx(screen) && allow_ubwc; |
| |
| if (prsc->target == PIPE_BUFFER) { |
| assert(prsc->format == PIPE_FORMAT_R8_UNORM); |
| size = prsc->width0; |
| fdl_layout_buffer(&rsc->layout, size); |
| } else { |
| size = screen->setup_slices(rsc); |
| } |
| |
| /* special case for hw-query buffer, which we need to allocate before we |
| * know the size: |
| */ |
| if (size == 0) { |
| /* note, semi-intention == instead of & */ |
| debug_assert(prsc->bind == PIPE_BIND_QUERY_BUFFER); |
| return prsc; |
| } |
| |
| /* Set the layer size if the (non-a6xx) backend hasn't done so. */ |
| if (rsc->layout.layer_first && !rsc->layout.layer_size) { |
| rsc->layout.layer_size = align(size, 4096); |
| size = rsc->layout.layer_size * prsc->array_size; |
| } |
| |
| if (fd_mesa_debug & FD_DBG_LAYOUT) |
| fdl_dump_layout(&rsc->layout); |
| |
| realloc_bo(rsc, size); |
| if (!rsc->bo) |
| goto fail; |
| |
| return prsc; |
| fail: |
| fd_resource_destroy(pscreen, prsc); |
| return NULL; |
| } |
| |
| static struct pipe_resource * |
| fd_resource_create(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl) |
| { |
| const uint64_t mod = DRM_FORMAT_MOD_INVALID; |
| return fd_resource_create_with_modifiers(pscreen, tmpl, &mod, 1); |
| } |
| |
| /** |
| * Create a texture from a winsys_handle. The handle is often created in |
| * another process by first creating a pipe texture and then calling |
| * resource_get_handle. |
| */ |
| static struct pipe_resource * |
| fd_resource_from_handle(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl, |
| struct winsys_handle *handle, unsigned usage) |
| { |
| struct fd_screen *screen = fd_screen(pscreen); |
| struct fd_resource *rsc = CALLOC_STRUCT(fd_resource); |
| struct fdl_slice *slice = fd_resource_slice(rsc, 0); |
| struct pipe_resource *prsc = &rsc->base; |
| |
| 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; |
| fd_resource_layout_init(prsc); |
| |
| pipe_reference_init(&prsc->reference, 1); |
| |
| prsc->screen = pscreen; |
| |
| util_range_init(&rsc->valid_buffer_range); |
| |
| simple_mtx_init(&rsc->lock, mtx_plain); |
| |
| rsc->bo = fd_screen_bo_from_handle(pscreen, handle); |
| if (!rsc->bo) |
| goto fail; |
| |
| rsc->internal_format = tmpl->format; |
| rsc->layout.pitch0 = handle->stride; |
| slice->offset = handle->offset; |
| slice->size0 = handle->stride * prsc->height0; |
| |
| /* use a pitchalign of gmem_alignw pixels, because GMEM resolve for |
| * lower alignments is not implemented (but possible for a6xx at least) |
| * |
| * for UBWC-enabled resources, layout_resource_for_modifier will further |
| * validate the pitch and set the right pitchalign |
| */ |
| rsc->layout.pitchalign = |
| fdl_cpp_shift(&rsc->layout) + util_logbase2(screen->gmem_alignw); |
| |
| /* apply the minimum pitchalign (note: actually 4 for a3xx but doesn't matter) */ |
| if (is_a6xx(screen) || is_a5xx(screen)) |
| rsc->layout.pitchalign = MAX2(rsc->layout.pitchalign, 6); |
| else |
| rsc->layout.pitchalign = MAX2(rsc->layout.pitchalign, 5); |
| |
| if (rsc->layout.pitch0 < (prsc->width0 * rsc->layout.cpp) || |
| fd_resource_pitch(rsc, 0) != rsc->layout.pitch0) |
| goto fail; |
| |
| assert(rsc->layout.cpp); |
| |
| if (screen->layout_resource_for_modifier(rsc, handle->modifier) < 0) |
| goto fail; |
| |
| if (screen->ro) { |
| rsc->scanout = |
| renderonly_create_gpu_import_for_resource(prsc, screen->ro, NULL); |
| /* failure is expected in some cases.. */ |
| } |
| |
| rsc->valid = true; |
| |
| return prsc; |
| |
| fail: |
| fd_resource_destroy(pscreen, prsc); |
| return NULL; |
| } |
| |
| bool |
| fd_render_condition_check(struct pipe_context *pctx) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| |
| if (!ctx->cond_query) |
| return true; |
| |
| union pipe_query_result res = { 0 }; |
| bool wait = |
| ctx->cond_mode != PIPE_RENDER_COND_NO_WAIT && |
| ctx->cond_mode != PIPE_RENDER_COND_BY_REGION_NO_WAIT; |
| |
| if (pctx->get_query_result(pctx, ctx->cond_query, wait, &res)) |
| return (bool)res.u64 != ctx->cond_cond; |
| |
| return true; |
| } |
| |
| static void |
| fd_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| struct fd_resource *rsc = fd_resource(prsc); |
| |
| /* |
| * TODO I guess we could track that the resource is invalidated and |
| * use that as a hint to realloc rather than stall in _transfer_map(), |
| * even in the non-DISCARD_WHOLE_RESOURCE case? |
| * |
| * Note: we set dirty bits to trigger invalidate logic fd_draw_vbo |
| */ |
| |
| if (rsc->write_batch) { |
| struct fd_batch *batch = rsc->write_batch; |
| struct pipe_framebuffer_state *pfb = &batch->framebuffer; |
| |
| if (pfb->zsbuf && pfb->zsbuf->texture == prsc) { |
| batch->resolve &= ~(FD_BUFFER_DEPTH | FD_BUFFER_STENCIL); |
| ctx->dirty |= FD_DIRTY_ZSA; |
| } |
| |
| for (unsigned i = 0; i < pfb->nr_cbufs; i++) { |
| if (pfb->cbufs[i] && pfb->cbufs[i]->texture == prsc) { |
| batch->resolve &= ~(PIPE_CLEAR_COLOR0 << i); |
| ctx->dirty |= FD_DIRTY_FRAMEBUFFER; |
| } |
| } |
| } |
| |
| rsc->valid = false; |
| } |
| |
| static enum pipe_format |
| fd_resource_get_internal_format(struct pipe_resource *prsc) |
| { |
| return fd_resource(prsc)->internal_format; |
| } |
| |
| static void |
| fd_resource_set_stencil(struct pipe_resource *prsc, |
| struct pipe_resource *stencil) |
| { |
| fd_resource(prsc)->stencil = fd_resource(stencil); |
| } |
| |
| static struct pipe_resource * |
| fd_resource_get_stencil(struct pipe_resource *prsc) |
| { |
| struct fd_resource *rsc = fd_resource(prsc); |
| if (rsc->stencil) |
| return &rsc->stencil->base; |
| return NULL; |
| } |
| |
| static const struct u_transfer_vtbl transfer_vtbl = { |
| .resource_create = fd_resource_create, |
| .resource_destroy = fd_resource_destroy, |
| .transfer_map = fd_resource_transfer_map, |
| .transfer_flush_region = fd_resource_transfer_flush_region, |
| .transfer_unmap = fd_resource_transfer_unmap, |
| .get_internal_format = fd_resource_get_internal_format, |
| .set_stencil = fd_resource_set_stencil, |
| .get_stencil = fd_resource_get_stencil, |
| }; |
| |
| static const uint64_t supported_modifiers[] = { |
| DRM_FORMAT_MOD_LINEAR, |
| }; |
| |
| static int |
| fd_layout_resource_for_modifier(struct fd_resource *rsc, uint64_t modifier) |
| { |
| switch (modifier) { |
| case DRM_FORMAT_MOD_LINEAR: |
| /* The dri gallium frontend will pass DRM_FORMAT_MOD_INVALID to us |
| * when it's called through any of the non-modifier BO create entry |
| * points. Other drivers will determine tiling from the kernel or |
| * other legacy backchannels, but for freedreno it just means |
| * LINEAR. */ |
| case DRM_FORMAT_MOD_INVALID: |
| return 0; |
| default: |
| return -1; |
| } |
| } |
| |
| static struct pipe_memory_object * |
| fd_memobj_create_from_handle(struct pipe_screen *pscreen, |
| struct winsys_handle *whandle, |
| bool dedicated) |
| { |
| struct fd_memory_object *memobj = CALLOC_STRUCT(fd_memory_object); |
| if (!memobj) |
| return NULL; |
| |
| struct fd_bo *bo = fd_screen_bo_from_handle(pscreen, whandle); |
| if (!bo) { |
| free(memobj); |
| return NULL; |
| } |
| |
| memobj->b.dedicated = dedicated; |
| memobj->bo = bo; |
| |
| return &memobj->b; |
| } |
| |
| static void |
| fd_memobj_destroy(struct pipe_screen *pscreen, |
| struct pipe_memory_object *pmemobj) |
| { |
| struct fd_memory_object *memobj = fd_memory_object(pmemobj); |
| |
| assert(memobj->bo); |
| fd_bo_del(memobj->bo); |
| |
| free(pmemobj); |
| } |
| |
| void |
| fd_resource_screen_init(struct pipe_screen *pscreen) |
| { |
| struct fd_screen *screen = fd_screen(pscreen); |
| bool fake_rgtc = screen->gpu_id < 400; |
| |
| pscreen->resource_create = u_transfer_helper_resource_create; |
| /* NOTE: u_transfer_helper does not yet support the _with_modifiers() |
| * variant: |
| */ |
| pscreen->resource_create_with_modifiers = fd_resource_create_with_modifiers; |
| pscreen->resource_from_handle = fd_resource_from_handle; |
| pscreen->resource_get_handle = fd_resource_get_handle; |
| pscreen->resource_destroy = u_transfer_helper_resource_destroy; |
| |
| pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl, |
| true, false, fake_rgtc, true); |
| |
| if (!screen->layout_resource_for_modifier) |
| screen->layout_resource_for_modifier = fd_layout_resource_for_modifier; |
| if (!screen->supported_modifiers) { |
| screen->supported_modifiers = supported_modifiers; |
| screen->num_supported_modifiers = ARRAY_SIZE(supported_modifiers); |
| } |
| |
| /* GL_EXT_memory_object */ |
| pscreen->memobj_create_from_handle = fd_memobj_create_from_handle; |
| pscreen->memobj_destroy = fd_memobj_destroy; |
| } |
| |
| static void |
| fd_get_sample_position(struct pipe_context *context, |
| unsigned sample_count, unsigned sample_index, |
| float *pos_out) |
| { |
| /* The following is copied from nouveau/nv50 except for position |
| * values, which are taken from blob driver */ |
| static const uint8_t pos1[1][2] = { { 0x8, 0x8 } }; |
| static const uint8_t pos2[2][2] = { |
| { 0xc, 0xc }, { 0x4, 0x4 } }; |
| static const uint8_t pos4[4][2] = { |
| { 0x6, 0x2 }, { 0xe, 0x6 }, |
| { 0x2, 0xa }, { 0xa, 0xe } }; |
| /* TODO needs to be verified on supported hw */ |
| static const uint8_t pos8[8][2] = { |
| { 0x9, 0x5 }, { 0x7, 0xb }, |
| { 0xd, 0x9 }, { 0x5, 0x3 }, |
| { 0x3, 0xd }, { 0x1, 0x7 }, |
| { 0xb, 0xf }, { 0xf, 0x1 } }; |
| |
| const uint8_t (*ptr)[2]; |
| |
| switch (sample_count) { |
| case 1: |
| ptr = pos1; |
| break; |
| case 2: |
| ptr = pos2; |
| break; |
| case 4: |
| ptr = pos4; |
| break; |
| case 8: |
| ptr = pos8; |
| break; |
| default: |
| assert(0); |
| return; |
| } |
| |
| pos_out[0] = ptr[sample_index][0] / 16.0f; |
| pos_out[1] = ptr[sample_index][1] / 16.0f; |
| } |
| |
| static void |
| fd_blit_pipe(struct pipe_context *pctx, const struct pipe_blit_info *blit_info) |
| { |
| /* wrap fd_blit to return void */ |
| fd_blit(pctx, blit_info); |
| } |
| |
| void |
| fd_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 = u_default_texture_subdata; |
| pctx->create_surface = fd_create_surface; |
| pctx->surface_destroy = fd_surface_destroy; |
| pctx->resource_copy_region = fd_resource_copy_region; |
| pctx->blit = fd_blit_pipe; |
| pctx->flush_resource = fd_flush_resource; |
| pctx->invalidate_resource = fd_invalidate_resource; |
| pctx->get_sample_position = fd_get_sample_position; |
| } |