| /* |
| * Copyright © 2014 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 "util/u_memory.h" |
| #include "util/u_format.h" |
| #include "util/u_inlines.h" |
| #include "util/u_surface.h" |
| #include "util/u_blitter.h" |
| |
| #include "vc4_screen.h" |
| #include "vc4_context.h" |
| #include "vc4_resource.h" |
| #include "vc4_tiling.h" |
| |
| static void |
| vc4_resource_bo_alloc(struct vc4_resource *rsc) |
| { |
| struct pipe_resource *prsc = &rsc->base.b; |
| struct pipe_screen *pscreen = prsc->screen; |
| |
| vc4_bo_unreference(&rsc->bo); |
| rsc->bo = vc4_bo_alloc(vc4_screen(pscreen), |
| rsc->slices[0].offset + |
| rsc->slices[0].size + |
| rsc->cube_map_stride * (prsc->array_size - 1), |
| "resource"); |
| } |
| |
| static void |
| vc4_resource_transfer_unmap(struct pipe_context *pctx, |
| struct pipe_transfer *ptrans) |
| { |
| struct vc4_context *vc4 = vc4_context(pctx); |
| struct vc4_transfer *trans = vc4_transfer(ptrans); |
| struct pipe_resource *prsc = ptrans->resource; |
| struct vc4_resource *rsc = vc4_resource(prsc); |
| struct vc4_resource_slice *slice = &rsc->slices[ptrans->level]; |
| |
| if (trans->map) { |
| if (ptrans->usage & PIPE_TRANSFER_WRITE) { |
| vc4_store_tiled_image(rsc->bo->map + slice->offset + |
| ptrans->box.z * rsc->cube_map_stride, |
| slice->stride, |
| trans->map, ptrans->stride, |
| slice->tiling, rsc->cpp, |
| &ptrans->box); |
| } |
| free(trans->map); |
| } |
| |
| pipe_resource_reference(&ptrans->resource, NULL); |
| util_slab_free(&vc4->transfer_pool, ptrans); |
| } |
| |
| static void * |
| vc4_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 vc4_context *vc4 = vc4_context(pctx); |
| struct vc4_resource *rsc = vc4_resource(prsc); |
| struct vc4_resource_slice *slice = &rsc->slices[level]; |
| struct vc4_transfer *trans; |
| struct pipe_transfer *ptrans; |
| enum pipe_format format = prsc->format; |
| char *buf; |
| |
| if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) { |
| vc4_resource_bo_alloc(rsc); |
| } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) { |
| if (vc4_cl_references_bo(pctx, rsc->bo)) { |
| if ((usage & PIPE_TRANSFER_DISCARD_RANGE) && |
| prsc->last_level == 0 && |
| prsc->width0 == box->width && |
| prsc->height0 == box->height && |
| prsc->depth0 == box->depth) { |
| vc4_resource_bo_alloc(rsc); |
| } else { |
| vc4_flush(pctx); |
| } |
| } |
| } |
| |
| if (usage & PIPE_TRANSFER_WRITE) |
| rsc->writes++; |
| |
| trans = util_slab_alloc(&vc4->transfer_pool); |
| if (!trans) |
| return NULL; |
| |
| /* XXX: Handle DONTBLOCK, DISCARD_RANGE, PERSISTENT, COHERENT. */ |
| |
| /* util_slab_alloc() 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. |
| */ |
| |
| buf = vc4_bo_map(rsc->bo); |
| if (!buf) { |
| fprintf(stderr, "Failed to map bo\n"); |
| goto fail; |
| } |
| |
| *pptrans = ptrans; |
| |
| if (rsc->tiled) { |
| uint32_t utile_w = vc4_utile_width(rsc->cpp); |
| uint32_t utile_h = vc4_utile_height(rsc->cpp); |
| |
| /* No direct mappings of tiled, since we need to manually |
| * tile/untile. |
| */ |
| if (usage & PIPE_TRANSFER_MAP_DIRECTLY) |
| return NULL; |
| |
| /* We need to align the box to utile boundaries, since that's |
| * what load/store operate on. |
| */ |
| uint32_t box_start_x = ptrans->box.x & (utile_w - 1); |
| uint32_t box_start_y = ptrans->box.y & (utile_h - 1); |
| ptrans->box.width += box_start_x; |
| ptrans->box.x -= box_start_x; |
| ptrans->box.height += box_start_y; |
| ptrans->box.y -= box_start_y; |
| ptrans->box.width = align(ptrans->box.width, utile_w); |
| ptrans->box.height = align(ptrans->box.height, utile_h); |
| |
| ptrans->stride = ptrans->box.width * rsc->cpp; |
| ptrans->layer_stride = ptrans->stride; |
| |
| trans->map = malloc(ptrans->stride * ptrans->box.height); |
| if (usage & PIPE_TRANSFER_READ) { |
| vc4_load_tiled_image(trans->map, ptrans->stride, |
| buf + slice->offset + |
| box->z * rsc->cube_map_stride, |
| slice->stride, |
| slice->tiling, rsc->cpp, |
| &ptrans->box); |
| } |
| return (trans->map + |
| box_start_x * rsc->cpp + |
| box_start_y * ptrans->stride); |
| } else { |
| ptrans->stride = slice->stride; |
| ptrans->layer_stride = ptrans->stride; |
| |
| return buf + slice->offset + |
| box->y / util_format_get_blockheight(format) * ptrans->stride + |
| box->x / util_format_get_blockwidth(format) * rsc->cpp + |
| box->z * rsc->cube_map_stride; |
| } |
| |
| |
| fail: |
| vc4_resource_transfer_unmap(pctx, ptrans); |
| return NULL; |
| } |
| |
| static void |
| vc4_resource_destroy(struct pipe_screen *pscreen, |
| struct pipe_resource *prsc) |
| { |
| struct vc4_resource *rsc = vc4_resource(prsc); |
| pipe_resource_reference(&rsc->shadow_parent, NULL); |
| vc4_bo_unreference(&rsc->bo); |
| free(rsc); |
| } |
| |
| static boolean |
| vc4_resource_get_handle(struct pipe_screen *pscreen, |
| struct pipe_resource *prsc, |
| struct winsys_handle *handle) |
| { |
| struct vc4_resource *rsc = vc4_resource(prsc); |
| |
| return vc4_screen_bo_get_handle(pscreen, rsc->bo, rsc->slices[0].stride, |
| handle); |
| } |
| |
| static const struct u_resource_vtbl vc4_resource_vtbl = { |
| .resource_get_handle = vc4_resource_get_handle, |
| .resource_destroy = vc4_resource_destroy, |
| .transfer_map = vc4_resource_transfer_map, |
| .transfer_flush_region = u_default_transfer_flush_region, |
| .transfer_unmap = vc4_resource_transfer_unmap, |
| .transfer_inline_write = u_default_transfer_inline_write, |
| }; |
| |
| static void |
| vc4_setup_slices(struct vc4_resource *rsc) |
| { |
| struct pipe_resource *prsc = &rsc->base.b; |
| uint32_t width = prsc->width0; |
| uint32_t height = prsc->height0; |
| uint32_t pot_width = util_next_power_of_two(width); |
| uint32_t pot_height = util_next_power_of_two(height); |
| uint32_t offset = 0; |
| uint32_t utile_w = vc4_utile_width(rsc->cpp); |
| uint32_t utile_h = vc4_utile_height(rsc->cpp); |
| |
| for (int i = prsc->last_level; i >= 0; i--) { |
| struct vc4_resource_slice *slice = &rsc->slices[i]; |
| |
| uint32_t level_width, level_height; |
| if (i == 0) { |
| level_width = width; |
| level_height = height; |
| } else { |
| level_width = u_minify(pot_width, i); |
| level_height = u_minify(pot_height, i); |
| } |
| |
| if (rsc->tiled == VC4_TILING_FORMAT_LINEAR) { |
| slice->tiling = VC4_TILING_FORMAT_LINEAR; |
| level_width = align(level_width, 16); |
| } else { |
| if (vc4_size_is_lt(level_width, level_height, |
| rsc->cpp)) { |
| slice->tiling = VC4_TILING_FORMAT_LT; |
| level_width = align(level_width, utile_w); |
| level_height = align(level_height, utile_h); |
| } else { |
| slice->tiling = VC4_TILING_FORMAT_T; |
| level_width = align(level_width, |
| 4 * 2 * utile_w); |
| level_height = align(level_height, |
| 4 * 2 * utile_h); |
| } |
| } |
| |
| slice->offset = offset; |
| slice->stride = level_width * rsc->cpp; |
| slice->size = level_height * slice->stride; |
| |
| offset += slice->size; |
| } |
| |
| /* The texture base pointer that has to point to level 0 doesn't have |
| * intra-page bits, so we have to align it, and thus shift up all the |
| * smaller slices. |
| */ |
| uint32_t page_align_offset = (align(rsc->slices[0].offset, 4096) - |
| rsc->slices[0].offset); |
| if (page_align_offset) { |
| for (int i = 0; i <= prsc->last_level; i++) |
| rsc->slices[i].offset += page_align_offset; |
| } |
| |
| /* Cube map faces appear as whole miptrees at a page-aligned offset |
| * from the first face's miptree. |
| */ |
| if (prsc->target == PIPE_TEXTURE_CUBE) { |
| rsc->cube_map_stride = align(rsc->slices[0].offset + |
| rsc->slices[0].size, 4096); |
| } |
| } |
| |
| static struct vc4_resource * |
| vc4_resource_setup(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl) |
| { |
| struct vc4_resource *rsc = CALLOC_STRUCT(vc4_resource); |
| if (!rsc) |
| return NULL; |
| struct pipe_resource *prsc = &rsc->base.b; |
| |
| *prsc = *tmpl; |
| |
| pipe_reference_init(&prsc->reference, 1); |
| prsc->screen = pscreen; |
| |
| rsc->base.vtbl = &vc4_resource_vtbl; |
| rsc->cpp = util_format_get_blocksize(tmpl->format); |
| |
| assert(rsc->cpp); |
| |
| return rsc; |
| } |
| |
| static enum vc4_texture_data_type |
| get_resource_texture_format(struct pipe_resource *prsc) |
| { |
| struct vc4_resource *rsc = vc4_resource(prsc); |
| uint8_t format = vc4_get_tex_format(prsc->format); |
| |
| if (!rsc->tiled) { |
| assert(format == VC4_TEXTURE_TYPE_RGBA8888); |
| return VC4_TEXTURE_TYPE_RGBA32R; |
| } |
| |
| return format; |
| } |
| |
| struct pipe_resource * |
| vc4_resource_create(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl) |
| { |
| struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl); |
| struct pipe_resource *prsc = &rsc->base.b; |
| |
| /* We have to make shared be untiled, since we don't have any way to |
| * communicate metadata about tiling currently. |
| */ |
| if (tmpl->target == PIPE_BUFFER || |
| (tmpl->bind & (PIPE_BIND_SCANOUT | |
| PIPE_BIND_LINEAR | |
| PIPE_BIND_SHARED | |
| PIPE_BIND_CURSOR))) { |
| rsc->tiled = false; |
| } else { |
| rsc->tiled = true; |
| } |
| |
| vc4_setup_slices(rsc); |
| vc4_resource_bo_alloc(rsc); |
| if (!rsc->bo) |
| goto fail; |
| |
| if (tmpl->target != PIPE_BUFFER) |
| rsc->vc4_format = get_resource_texture_format(prsc); |
| |
| return prsc; |
| fail: |
| vc4_resource_destroy(pscreen, prsc); |
| return NULL; |
| } |
| |
| static struct pipe_resource * |
| vc4_resource_from_handle(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl, |
| struct winsys_handle *handle) |
| { |
| struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl); |
| struct pipe_resource *prsc = &rsc->base.b; |
| struct vc4_resource_slice *slice = &rsc->slices[0]; |
| |
| if (!rsc) |
| return NULL; |
| |
| rsc->tiled = false; |
| rsc->bo = vc4_screen_bo_from_handle(pscreen, handle, &slice->stride); |
| if (!rsc->bo) |
| goto fail; |
| |
| #ifdef USE_VC4_SIMULATOR |
| slice->stride = align(prsc->width0 * rsc->cpp, 16); |
| #endif |
| slice->tiling = VC4_TILING_FORMAT_LINEAR; |
| |
| rsc->vc4_format = get_resource_texture_format(prsc); |
| |
| return prsc; |
| |
| fail: |
| vc4_resource_destroy(pscreen, prsc); |
| return NULL; |
| } |
| |
| static struct pipe_surface * |
| vc4_create_surface(struct pipe_context *pctx, |
| struct pipe_resource *ptex, |
| const struct pipe_surface *surf_tmpl) |
| { |
| struct vc4_surface *surface = CALLOC_STRUCT(vc4_surface); |
| struct vc4_resource *rsc = vc4_resource(ptex); |
| |
| if (!surface) |
| return NULL; |
| |
| assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer); |
| |
| struct pipe_surface *psurf = &surface->base; |
| unsigned level = surf_tmpl->u.tex.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 = rsc->slices[level].offset; |
| surface->tiling = rsc->slices[level].tiling; |
| |
| return &surface->base; |
| } |
| |
| static void |
| vc4_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf) |
| { |
| pipe_resource_reference(&psurf->texture, NULL); |
| FREE(psurf); |
| } |
| |
| static void |
| vc4_flush_resource(struct pipe_context *pctx, struct pipe_resource *resource) |
| { |
| struct vc4_context *vc4 = vc4_context(pctx); |
| |
| /* XXX: Skip this if we don't have any queued drawing to it. */ |
| vc4->base.flush(pctx, NULL, 0); |
| } |
| static bool |
| render_blit(struct pipe_context *ctx, struct pipe_blit_info *info) |
| { |
| struct vc4_context *vc4 = vc4_context(ctx); |
| |
| if (!util_blitter_is_blit_supported(vc4->blitter, info)) { |
| fprintf(stderr, "blit unsupported %s -> %s", |
| util_format_short_name(info->src.resource->format), |
| util_format_short_name(info->dst.resource->format)); |
| return false; |
| } |
| |
| util_blitter_save_vertex_buffer_slot(vc4->blitter, vc4->vertexbuf.vb); |
| util_blitter_save_vertex_elements(vc4->blitter, vc4->vtx); |
| util_blitter_save_vertex_shader(vc4->blitter, vc4->prog.bind_vs); |
| util_blitter_save_rasterizer(vc4->blitter, vc4->rasterizer); |
| util_blitter_save_viewport(vc4->blitter, &vc4->viewport); |
| util_blitter_save_scissor(vc4->blitter, &vc4->scissor); |
| util_blitter_save_fragment_shader(vc4->blitter, vc4->prog.bind_fs); |
| util_blitter_save_blend(vc4->blitter, vc4->blend); |
| util_blitter_save_depth_stencil_alpha(vc4->blitter, vc4->zsa); |
| util_blitter_save_stencil_ref(vc4->blitter, &vc4->stencil_ref); |
| util_blitter_save_sample_mask(vc4->blitter, vc4->sample_mask); |
| util_blitter_save_framebuffer(vc4->blitter, &vc4->framebuffer); |
| util_blitter_save_fragment_sampler_states(vc4->blitter, |
| vc4->fragtex.num_samplers, |
| (void **)vc4->fragtex.samplers); |
| util_blitter_save_fragment_sampler_views(vc4->blitter, |
| vc4->fragtex.num_textures, vc4->fragtex.textures); |
| |
| util_blitter_blit(vc4->blitter, info); |
| |
| return true; |
| } |
| |
| /* Optimal hardware path for blitting pixels. |
| * Scaling, format conversion, up- and downsampling (resolve) are allowed. |
| */ |
| static void |
| vc4_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info) |
| { |
| struct pipe_blit_info info = *blit_info; |
| |
| if (info.src.resource->nr_samples > 1 && |
| info.dst.resource->nr_samples <= 1 && |
| !util_format_is_depth_or_stencil(info.src.resource->format) && |
| !util_format_is_pure_integer(info.src.resource->format)) { |
| fprintf(stderr, "color resolve unimplemented"); |
| return; |
| } |
| |
| if (util_try_blit_via_copy_region(pctx, &info)) { |
| return; /* done */ |
| } |
| |
| if (info.mask & PIPE_MASK_S) { |
| fprintf(stderr, "cannot blit stencil, skipping"); |
| info.mask &= ~PIPE_MASK_S; |
| } |
| |
| render_blit(pctx, &info); |
| } |
| |
| void |
| vc4_update_shadow_baselevel_texture(struct pipe_context *pctx, |
| struct pipe_sampler_view *view) |
| { |
| struct vc4_resource *shadow = vc4_resource(view->texture); |
| struct vc4_resource *orig = vc4_resource(shadow->shadow_parent); |
| assert(orig); |
| |
| if (shadow->writes == orig->writes) |
| return; |
| |
| for (int i = 0; i <= shadow->base.b.last_level; i++) { |
| struct pipe_box box = { |
| .x = 0, |
| .y = 0, |
| .z = 0, |
| .width = u_minify(shadow->base.b.width0, i), |
| .height = u_minify(shadow->base.b.height0, i), |
| .depth = 1, |
| }; |
| |
| util_resource_copy_region(pctx, |
| &shadow->base.b, i, 0, 0, 0, |
| &orig->base.b, |
| view->u.tex.first_level + i, |
| &box); |
| } |
| |
| shadow->writes = orig->writes; |
| } |
| |
| /** |
| * Converts a 4-byte index buffer to 2 bytes. |
| * |
| * Since GLES2 only has support for 1 and 2-byte indices, the hardware doesn't |
| * include 4-byte index support, and we have to shrink it down. |
| * |
| * There's no fallback support for when indices end up being larger than 2^16, |
| * though it will at least assertion fail. Also, if the original index data |
| * was in user memory, it would be nice to not have uploaded it to a VBO |
| * before translating. |
| */ |
| void |
| vc4_update_shadow_index_buffer(struct pipe_context *pctx, |
| const struct pipe_index_buffer *ib) |
| { |
| struct vc4_resource *shadow = vc4_resource(ib->buffer); |
| struct vc4_resource *orig = vc4_resource(shadow->shadow_parent); |
| uint32_t count = shadow->base.b.width0 / 2; |
| |
| if (shadow->writes == orig->writes) |
| return; |
| |
| struct pipe_transfer *src_transfer; |
| uint32_t *src = pipe_buffer_map_range(pctx, &orig->base.b, |
| ib->offset, |
| count * 4, |
| PIPE_TRANSFER_READ, &src_transfer); |
| |
| struct pipe_transfer *dst_transfer; |
| uint16_t *dst = pipe_buffer_map_range(pctx, &shadow->base.b, |
| 0, |
| count * 2, |
| PIPE_TRANSFER_WRITE, &dst_transfer); |
| |
| for (int i = 0; i < count; i++) { |
| uint32_t src_index = src[i]; |
| assert(src_index <= 0xffff); |
| dst[i] = src_index; |
| } |
| |
| pctx->transfer_unmap(pctx, dst_transfer); |
| pctx->transfer_unmap(pctx, src_transfer); |
| |
| shadow->writes = orig->writes; |
| } |
| |
| void |
| vc4_resource_screen_init(struct pipe_screen *pscreen) |
| { |
| pscreen->resource_create = vc4_resource_create; |
| pscreen->resource_from_handle = vc4_resource_from_handle; |
| pscreen->resource_get_handle = u_resource_get_handle_vtbl; |
| pscreen->resource_destroy = u_resource_destroy_vtbl; |
| } |
| |
| void |
| vc4_resource_context_init(struct pipe_context *pctx) |
| { |
| pctx->transfer_map = u_transfer_map_vtbl; |
| pctx->transfer_flush_region = u_transfer_flush_region_vtbl; |
| pctx->transfer_unmap = u_transfer_unmap_vtbl; |
| pctx->transfer_inline_write = u_transfer_inline_write_vtbl; |
| pctx->create_surface = vc4_create_surface; |
| pctx->surface_destroy = vc4_surface_destroy; |
| pctx->resource_copy_region = util_resource_copy_region; |
| pctx->blit = vc4_blit; |
| pctx->flush_resource = vc4_flush_resource; |
| } |