| /* |
| * 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 "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/u_drm.h" |
| |
| #include "drm-uapi/drm_fourcc.h" |
| #include "drm-uapi/vc4_drm.h" |
| #include "vc4_screen.h" |
| #include "vc4_context.h" |
| #include "vc4_resource.h" |
| #include "vc4_tiling.h" |
| |
| static bool |
| vc4_resource_bo_alloc(struct vc4_resource *rsc) |
| { |
| struct pipe_resource *prsc = &rsc->base; |
| struct pipe_screen *pscreen = prsc->screen; |
| struct vc4_bo *bo; |
| |
| if (vc4_debug & VC4_DEBUG_SURFACE) { |
| fprintf(stderr, "alloc %p: size %d + offset %d -> %d\n", |
| rsc, |
| rsc->slices[0].size, |
| rsc->slices[0].offset, |
| rsc->slices[0].offset + |
| rsc->slices[0].size + |
| rsc->cube_map_stride * (prsc->array_size - 1)); |
| } |
| |
| bo = vc4_bo_alloc(vc4_screen(pscreen), |
| rsc->slices[0].offset + |
| rsc->slices[0].size + |
| rsc->cube_map_stride * (prsc->array_size - 1), |
| "resource"); |
| if (bo) { |
| vc4_bo_unreference(&rsc->bo); |
| rsc->bo = bo; |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| 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); |
| |
| if (trans->map) { |
| struct vc4_resource *rsc = vc4_resource(ptrans->resource); |
| struct vc4_resource_slice *slice = &rsc->slices[ptrans->level]; |
| |
| if (ptrans->usage & PIPE_MAP_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); |
| 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_transfer *trans; |
| struct pipe_transfer *ptrans; |
| enum pipe_format format = prsc->format; |
| char *buf; |
| |
| /* 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; |
| } |
| |
| if (usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE) { |
| if (vc4_resource_bo_alloc(rsc)) { |
| /* If it might be bound as one of our vertex buffers, |
| * make sure we re-emit vertex buffer state. |
| */ |
| if (prsc->bind & PIPE_BIND_VERTEX_BUFFER) |
| vc4->dirty |= VC4_DIRTY_VTXBUF; |
| } else { |
| /* If we failed to reallocate, flush users so that we |
| * don't violate any syncing requirements. |
| */ |
| vc4_flush_jobs_reading_resource(vc4, prsc); |
| } |
| } 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) |
| vc4_flush_jobs_reading_resource(vc4, prsc); |
| else |
| vc4_flush_jobs_writing_resource(vc4, prsc); |
| } |
| |
| if (usage & PIPE_MAP_WRITE) { |
| rsc->writes++; |
| rsc->initialized_buffers = ~0; |
| } |
| |
| trans = slab_alloc(&vc4->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; |
| |
| if (usage & PIPE_MAP_UNSYNCHRONIZED) |
| buf = vc4_bo_map_unsynchronized(rsc->bo); |
| else |
| buf = vc4_bo_map(rsc->bo); |
| if (!buf) { |
| fprintf(stderr, "Failed to map bo\n"); |
| goto fail; |
| } |
| |
| *pptrans = ptrans; |
| |
| struct vc4_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; |
| |
| if (format == PIPE_FORMAT_ETC1_RGB8) { |
| /* ETC1 is arranged as 64-bit blocks, where each block |
| * is 4x4 pixels. Texture tiling operates on the |
| * 64-bit block the way it would an uncompressed |
| * pixels. |
| */ |
| assert(!(ptrans->box.x & 3)); |
| assert(!(ptrans->box.y & 3)); |
| ptrans->box.x >>= 2; |
| ptrans->box.y >>= 2; |
| ptrans->box.width = (ptrans->box.width + 3) >> 2; |
| ptrans->box.height = (ptrans->box.height + 3) >> 2; |
| } |
| |
| 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) { |
| vc4_load_tiled_image(trans->map, ptrans->stride, |
| buf + slice->offset + |
| ptrans->box.z * rsc->cube_map_stride, |
| slice->stride, |
| slice->tiling, rsc->cpp, |
| &ptrans->box); |
| } |
| return trans->map; |
| } else { |
| ptrans->stride = slice->stride; |
| ptrans->layer_stride = ptrans->stride; |
| |
| return buf + slice->offset + |
| ptrans->box.y / util_format_get_blockheight(format) * ptrans->stride + |
| ptrans->box.x / util_format_get_blockwidth(format) * rsc->cpp + |
| ptrans->box.z * rsc->cube_map_stride; |
| } |
| |
| |
| fail: |
| vc4_resource_transfer_unmap(pctx, ptrans); |
| return NULL; |
| } |
| |
| static void |
| vc4_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 vc4_resource *rsc = vc4_resource(prsc); |
| struct vc4_resource_slice *slice = &rsc->slices[level]; |
| |
| /* For a direct mapping, we can just take the u_transfer path. */ |
| if (!rsc->tiled || |
| box->depth != 1 || |
| (usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE)) { |
| 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. |
| */ |
| void *buf; |
| if (usage & PIPE_MAP_UNSYNCHRONIZED) |
| buf = vc4_bo_map_unsynchronized(rsc->bo); |
| else |
| buf = vc4_bo_map(rsc->bo); |
| |
| vc4_store_tiled_image(buf + slice->offset + |
| box->z * rsc->cube_map_stride, |
| slice->stride, |
| (void *)data, stride, |
| slice->tiling, rsc->cpp, |
| box); |
| } |
| |
| static void |
| vc4_resource_destroy(struct pipe_screen *pscreen, |
| struct pipe_resource *prsc) |
| { |
| struct vc4_screen *screen = vc4_screen(pscreen); |
| struct vc4_resource *rsc = vc4_resource(prsc); |
| vc4_bo_unreference(&rsc->bo); |
| |
| if (rsc->scanout) |
| renderonly_scanout_destroy(rsc->scanout, screen->ro); |
| |
| free(rsc); |
| } |
| |
| static bool |
| vc4_resource_get_handle(struct pipe_screen *pscreen, |
| struct pipe_context *pctx, |
| struct pipe_resource *prsc, |
| struct winsys_handle *whandle, |
| unsigned usage) |
| { |
| struct vc4_screen *screen = vc4_screen(pscreen); |
| struct vc4_resource *rsc = vc4_resource(prsc); |
| |
| 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 or shadow update avoidance). |
| */ |
| rsc->bo->private = false; |
| |
| if (rsc->tiled) |
| whandle->modifier = DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED; |
| else |
| whandle->modifier = DRM_FORMAT_MOD_LINEAR; |
| |
| switch (whandle->type) { |
| case WINSYS_HANDLE_TYPE_SHARED: |
| if (screen->ro) { |
| /* This could probably be supported, assuming that a |
| * control node was used for pl111. |
| */ |
| fprintf(stderr, "flink unsupported with pl111\n"); |
| return false; |
| } |
| |
| return vc4_bo_flink(rsc->bo, &whandle->handle); |
| case WINSYS_HANDLE_TYPE_KMS: |
| if (screen->ro) { |
| assert(rsc->scanout); |
| return renderonly_get_handle(rsc->scanout, whandle); |
| } |
| whandle->handle = rsc->bo->handle; |
| return true; |
| case WINSYS_HANDLE_TYPE_FD: |
| /* FDs are cross-device, so we can export directly from vc4. |
| */ |
| whandle->handle = vc4_bo_get_dmabuf(rsc->bo); |
| return whandle->handle != -1; |
| } |
| |
| return false; |
| } |
| |
| static void |
| vc4_setup_slices(struct vc4_resource *rsc, const char *caller) |
| { |
| struct pipe_resource *prsc = &rsc->base; |
| uint32_t width = prsc->width0; |
| uint32_t height = prsc->height0; |
| if (prsc->format == PIPE_FORMAT_ETC1_RGB8) { |
| width = (width + 3) >> 2; |
| height = (height + 3) >> 2; |
| } |
| |
| 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) { |
| slice->tiling = VC4_TILING_FORMAT_LINEAR; |
| if (prsc->nr_samples > 1) { |
| /* MSAA (4x) surfaces are stored as raw tile buffer contents. */ |
| level_width = align(level_width, 32); |
| level_height = align(level_height, 32); |
| } else { |
| level_width = align(level_width, utile_w); |
| } |
| } 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 * |
| MAX2(prsc->nr_samples, 1)); |
| slice->size = level_height * slice->stride; |
| |
| offset += slice->size; |
| |
| if (vc4_debug & VC4_DEBUG_SURFACE) { |
| static const char tiling_chars[] = { |
| [VC4_TILING_FORMAT_LINEAR] = 'R', |
| [VC4_TILING_FORMAT_LT] = 'L', |
| [VC4_TILING_FORMAT_T] = 'T' |
| }; |
| fprintf(stderr, |
| "rsc %s %p (format %s: vc4 %d), %dx%d: " |
| "level %d (%c) -> %dx%d, stride %d@0x%08x\n", |
| caller, rsc, |
| util_format_short_name(prsc->format), |
| rsc->vc4_format, |
| prsc->width0, prsc->height0, |
| i, tiling_chars[slice->tiling], |
| level_width, level_height, |
| slice->stride, slice->offset); |
| } |
| } |
| |
| /* 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; |
| |
| *prsc = *tmpl; |
| |
| pipe_reference_init(&prsc->reference, 1); |
| prsc->screen = pscreen; |
| |
| if (prsc->nr_samples <= 1) |
| rsc->cpp = util_format_get_blocksize(tmpl->format); |
| else |
| rsc->cpp = sizeof(uint32_t); |
| |
| 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) { |
| if (prsc->nr_samples > 1) { |
| return ~0; |
| } else { |
| if (format == VC4_TEXTURE_TYPE_RGBA8888) |
| return VC4_TEXTURE_TYPE_RGBA32R; |
| else |
| return ~0; |
| } |
| } |
| |
| return format; |
| } |
| |
| static struct pipe_resource * |
| vc4_resource_create_with_modifiers(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl, |
| const uint64_t *modifiers, |
| int count) |
| { |
| struct vc4_screen *screen = vc4_screen(pscreen); |
| struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl); |
| struct pipe_resource *prsc = &rsc->base; |
| bool linear_ok = drm_find_modifier(DRM_FORMAT_MOD_LINEAR, modifiers, count); |
| /* 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; |
| |
| /* MSAA buffers are linear. */ |
| if (tmpl->nr_samples > 1) |
| should_tile = false; |
| |
| /* No tiling when we're sharing with another device (pl111). */ |
| if (screen->ro && (tmpl->bind & PIPE_BIND_SCANOUT)) |
| 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; |
| |
| /* No shared objects with LT format -- the kernel only has T-format |
| * metadata. LT objects are small enough it's not worth the trouble to |
| * give them metadata to tile. |
| */ |
| if ((tmpl->bind & (PIPE_BIND_SHARED | PIPE_BIND_SCANOUT)) && |
| vc4_size_is_lt(prsc->width0, prsc->height0, rsc->cpp)) |
| should_tile = false; |
| |
| /* If we're sharing or scanning out, we need the ioctl present to |
| * inform the kernel or the other side. |
| */ |
| if ((tmpl->bind & (PIPE_BIND_SHARED | |
| PIPE_BIND_SCANOUT)) && !screen->has_tiling_ioctl) |
| 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_VC4_T_TILED, |
| modifiers, count)) { |
| rsc->tiled = true; |
| } else if (linear_ok) { |
| rsc->tiled = false; |
| } else { |
| fprintf(stderr, "Unsupported modifier requested\n"); |
| return NULL; |
| } |
| |
| if (tmpl->target != PIPE_BUFFER) |
| rsc->vc4_format = get_resource_texture_format(prsc); |
| |
| vc4_setup_slices(rsc, "create"); |
| if (!vc4_resource_bo_alloc(rsc)) |
| goto fail; |
| |
| if (screen->has_tiling_ioctl) { |
| uint64_t modifier; |
| if (rsc->tiled) |
| modifier = DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED; |
| else |
| modifier = DRM_FORMAT_MOD_LINEAR; |
| struct drm_vc4_set_tiling set_tiling = { |
| .handle = rsc->bo->handle, |
| .modifier = modifier, |
| }; |
| int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_SET_TILING, |
| &set_tiling); |
| if (ret != 0) |
| goto fail; |
| } |
| |
| /* Set up the "scanout resource" (the dmabuf export of our buffer to |
| * the KMS handle) if the buffer might ever have |
| * resource_get_handle(WINSYS_HANDLE_TYPE_KMS) called on it. |
| * 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))) { |
| rsc->scanout = |
| renderonly_scanout_for_resource(prsc, screen->ro, NULL); |
| if (!rsc->scanout) |
| goto fail; |
| } |
| |
| vc4_bo_label(screen, rsc->bo, "%sresource %dx%d@%d/%d", |
| (tmpl->bind & PIPE_BIND_SCANOUT) ? "scanout " : "", |
| tmpl->width0, tmpl->height0, |
| rsc->cpp * 8, prsc->last_level); |
| |
| return prsc; |
| fail: |
| vc4_resource_destroy(pscreen, prsc); |
| return NULL; |
| } |
| |
| struct pipe_resource * |
| vc4_resource_create(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl) |
| { |
| const uint64_t mod = DRM_FORMAT_MOD_INVALID; |
| return vc4_resource_create_with_modifiers(pscreen, tmpl, &mod, 1); |
| } |
| |
| static struct pipe_resource * |
| vc4_resource_from_handle(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl, |
| struct winsys_handle *whandle, |
| unsigned usage) |
| { |
| struct vc4_screen *screen = vc4_screen(pscreen); |
| struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl); |
| struct pipe_resource *prsc = &rsc->base; |
| struct vc4_resource_slice *slice = &rsc->slices[0]; |
| |
| if (!rsc) |
| return NULL; |
| |
| switch (whandle->type) { |
| case WINSYS_HANDLE_TYPE_SHARED: |
| rsc->bo = vc4_bo_open_name(screen, whandle->handle); |
| break; |
| case WINSYS_HANDLE_TYPE_FD: |
| rsc->bo = vc4_bo_open_dmabuf(screen, whandle->handle); |
| break; |
| default: |
| fprintf(stderr, |
| "Attempt to import unsupported handle type %d\n", |
| whandle->type); |
| } |
| |
| if (!rsc->bo) |
| goto fail; |
| |
| struct drm_vc4_get_tiling get_tiling = { |
| .handle = rsc->bo->handle, |
| }; |
| int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling); |
| |
| if (ret != 0) { |
| whandle->modifier = DRM_FORMAT_MOD_LINEAR; |
| } else if (whandle->modifier == DRM_FORMAT_MOD_INVALID) { |
| whandle->modifier = get_tiling.modifier; |
| } else if (whandle->modifier != get_tiling.modifier) { |
| fprintf(stderr, |
| "Modifier 0x%llx vs. tiling (0x%llx) mismatch\n", |
| (long long)whandle->modifier, get_tiling.modifier); |
| goto fail; |
| } |
| |
| switch (whandle->modifier) { |
| case DRM_FORMAT_MOD_LINEAR: |
| rsc->tiled = false; |
| break; |
| case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED: |
| rsc->tiled = true; |
| break; |
| default: |
| fprintf(stderr, |
| "Attempt to import unsupported modifier 0x%llx\n", |
| (long long)whandle->modifier); |
| goto fail; |
| } |
| |
| rsc->vc4_format = get_resource_texture_format(prsc); |
| vc4_setup_slices(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) |
| 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: |
| 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 + |
| psurf->u.tex.first_layer * rsc->cube_map_stride); |
| 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_dump_surface_non_msaa(struct pipe_surface *psurf) |
| { |
| struct pipe_resource *prsc = psurf->texture; |
| struct vc4_resource *rsc = vc4_resource(prsc); |
| uint32_t *map = vc4_bo_map(rsc->bo); |
| uint32_t stride = rsc->slices[0].stride / 4; |
| uint32_t width = psurf->width; |
| uint32_t height = psurf->height; |
| uint32_t chunk_w = width / 79; |
| uint32_t chunk_h = height / 40; |
| uint32_t found_colors[10]; |
| uint32_t num_found_colors = 0; |
| |
| if (rsc->vc4_format != VC4_TEXTURE_TYPE_RGBA32R) { |
| fprintf(stderr, "%s: Unsupported format %s\n", |
| __func__, util_format_short_name(psurf->format)); |
| return; |
| } |
| |
| for (int by = 0; by < height; by += chunk_h) { |
| for (int bx = 0; bx < width; bx += chunk_w) { |
| int all_found_color = -1; /* nothing found */ |
| |
| for (int y = by; y < MIN2(height, by + chunk_h); y++) { |
| for (int x = bx; x < MIN2(width, bx + chunk_w); x++) { |
| uint32_t pix = map[y * stride + x]; |
| |
| int i; |
| for (i = 0; i < num_found_colors; i++) { |
| if (pix == found_colors[i]) |
| break; |
| } |
| if (i == num_found_colors && |
| num_found_colors < |
| ARRAY_SIZE(found_colors)) { |
| found_colors[num_found_colors++] = pix; |
| } |
| |
| if (i < num_found_colors) { |
| if (all_found_color == -1) |
| all_found_color = i; |
| else if (i != all_found_color) |
| all_found_color = ARRAY_SIZE(found_colors); |
| } |
| } |
| } |
| /* If all pixels for this chunk have a consistent |
| * value, then print a character for it. Either a |
| * fixed name (particularly common for piglit tests), |
| * or a runtime-generated number. |
| */ |
| if (all_found_color >= 0 && |
| all_found_color < ARRAY_SIZE(found_colors)) { |
| static const struct { |
| uint32_t val; |
| const char *c; |
| } named_colors[] = { |
| { 0xff000000, "█" }, |
| { 0x00000000, "█" }, |
| { 0xffff0000, "r" }, |
| { 0xff00ff00, "g" }, |
| { 0xff0000ff, "b" }, |
| { 0xffffffff, "w" }, |
| }; |
| int i; |
| for (i = 0; i < ARRAY_SIZE(named_colors); i++) { |
| if (named_colors[i].val == |
| found_colors[all_found_color]) { |
| fprintf(stderr, "%s", |
| named_colors[i].c); |
| break; |
| } |
| } |
| /* For unnamed colors, print a number and the |
| * numbers will have values printed at the |
| * end. |
| */ |
| if (i == ARRAY_SIZE(named_colors)) { |
| fprintf(stderr, "%c", |
| '0' + all_found_color); |
| } |
| } else { |
| /* If there's no consistent color, print this. |
| */ |
| fprintf(stderr, "."); |
| } |
| } |
| fprintf(stderr, "\n"); |
| } |
| |
| for (int i = 0; i < num_found_colors; i++) { |
| fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]); |
| } |
| } |
| |
| static uint32_t |
| vc4_surface_msaa_get_sample(struct pipe_surface *psurf, |
| uint32_t x, uint32_t y, uint32_t sample) |
| { |
| struct pipe_resource *prsc = psurf->texture; |
| struct vc4_resource *rsc = vc4_resource(prsc); |
| uint32_t tile_w = 32, tile_h = 32; |
| uint32_t tiles_w = DIV_ROUND_UP(psurf->width, 32); |
| |
| uint32_t tile_x = x / tile_w; |
| uint32_t tile_y = y / tile_h; |
| uint32_t *tile = (vc4_bo_map(rsc->bo) + |
| VC4_TILE_BUFFER_SIZE * (tile_y * tiles_w + tile_x)); |
| uint32_t subtile_x = x % tile_w; |
| uint32_t subtile_y = y % tile_h; |
| |
| uint32_t quad_samples = VC4_MAX_SAMPLES * 4; |
| uint32_t tile_stride = quad_samples * tile_w / 2; |
| |
| return *((uint32_t *)tile + |
| (subtile_y >> 1) * tile_stride + |
| (subtile_x >> 1) * quad_samples + |
| ((subtile_y & 1) << 1) + |
| (subtile_x & 1) + |
| sample); |
| } |
| |
| static void |
| vc4_dump_surface_msaa_char(struct pipe_surface *psurf, |
| uint32_t start_x, uint32_t start_y, |
| uint32_t w, uint32_t h) |
| { |
| bool all_same_color = true; |
| uint32_t all_pix = 0; |
| |
| for (int y = start_y; y < start_y + h; y++) { |
| for (int x = start_x; x < start_x + w; x++) { |
| for (int s = 0; s < VC4_MAX_SAMPLES; s++) { |
| uint32_t pix = vc4_surface_msaa_get_sample(psurf, |
| x, y, |
| s); |
| if (x == start_x && y == start_y) |
| all_pix = pix; |
| else if (all_pix != pix) |
| all_same_color = false; |
| } |
| } |
| } |
| if (all_same_color) { |
| static const struct { |
| uint32_t val; |
| const char *c; |
| } named_colors[] = { |
| { 0xff000000, "█" }, |
| { 0x00000000, "█" }, |
| { 0xffff0000, "r" }, |
| { 0xff00ff00, "g" }, |
| { 0xff0000ff, "b" }, |
| { 0xffffffff, "w" }, |
| }; |
| int i; |
| for (i = 0; i < ARRAY_SIZE(named_colors); i++) { |
| if (named_colors[i].val == all_pix) { |
| fprintf(stderr, "%s", |
| named_colors[i].c); |
| return; |
| } |
| } |
| fprintf(stderr, "x"); |
| } else { |
| fprintf(stderr, "."); |
| } |
| } |
| |
| static void |
| vc4_dump_surface_msaa(struct pipe_surface *psurf) |
| { |
| uint32_t tile_w = 32, tile_h = 32; |
| uint32_t tiles_w = DIV_ROUND_UP(psurf->width, tile_w); |
| uint32_t tiles_h = DIV_ROUND_UP(psurf->height, tile_h); |
| uint32_t char_w = 140, char_h = 60; |
| uint32_t char_w_per_tile = char_w / tiles_w - 1; |
| uint32_t char_h_per_tile = char_h / tiles_h - 1; |
| |
| fprintf(stderr, "Surface: %dx%d (%dx MSAA)\n", |
| psurf->width, psurf->height, psurf->texture->nr_samples); |
| |
| for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++) |
| fprintf(stderr, "-"); |
| fprintf(stderr, "\n"); |
| |
| for (int ty = 0; ty < psurf->height; ty += tile_h) { |
| for (int y = 0; y < char_h_per_tile; y++) { |
| |
| for (int tx = 0; tx < psurf->width; tx += tile_w) { |
| for (int x = 0; x < char_w_per_tile; x++) { |
| uint32_t bx1 = (x * tile_w / |
| char_w_per_tile); |
| uint32_t bx2 = ((x + 1) * tile_w / |
| char_w_per_tile); |
| uint32_t by1 = (y * tile_h / |
| char_h_per_tile); |
| uint32_t by2 = ((y + 1) * tile_h / |
| char_h_per_tile); |
| |
| vc4_dump_surface_msaa_char(psurf, |
| tx + bx1, |
| ty + by1, |
| bx2 - bx1, |
| by2 - by1); |
| } |
| fprintf(stderr, "|"); |
| } |
| fprintf(stderr, "\n"); |
| } |
| |
| for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++) |
| fprintf(stderr, "-"); |
| fprintf(stderr, "\n"); |
| } |
| } |
| |
| /** Debug routine to dump the contents of an 8888 surface to the console */ |
| void |
| vc4_dump_surface(struct pipe_surface *psurf) |
| { |
| if (!psurf) |
| return; |
| |
| if (psurf->texture->nr_samples > 1) |
| vc4_dump_surface_msaa(psurf); |
| else |
| vc4_dump_surface_non_msaa(psurf); |
| } |
| |
| static void |
| vc4_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. |
| */ |
| } |
| |
| void |
| vc4_update_shadow_baselevel_texture(struct pipe_context *pctx, |
| struct pipe_sampler_view *pview) |
| { |
| struct vc4_context *vc4 = vc4_context(pctx); |
| struct vc4_sampler_view *view = vc4_sampler_view(pview); |
| struct vc4_resource *shadow = vc4_resource(view->texture); |
| struct vc4_resource *orig = vc4_resource(pview->texture); |
| |
| assert(view->texture != pview->texture); |
| |
| if (shadow->writes == orig->writes && orig->bo->private) |
| return; |
| |
| perf_debug("Updating %dx%d@%d shadow texture due to %s\n", |
| orig->base.width0, orig->base.height0, |
| pview->u.tex.first_level, |
| pview->u.tex.first_level ? "base level" : "raster layout"); |
| |
| 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 = ~0, |
| }; |
| pctx->blit(pctx, &info); |
| } |
| |
| 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. |
| */ |
| struct pipe_resource * |
| vc4_get_shadow_index_buffer(struct pipe_context *pctx, |
| const struct pipe_draw_info *info, |
| uint32_t offset, |
| uint32_t count, |
| uint32_t *shadow_offset) |
| { |
| struct vc4_context *vc4 = vc4_context(pctx); |
| struct vc4_resource *orig = vc4_resource(info->index.resource); |
| perf_debug("Fallback conversion for %d uint indices\n", count); |
| |
| void *data; |
| struct pipe_resource *shadow_rsc = NULL; |
| u_upload_alloc(vc4->uploader, 0, count * 2, 4, |
| shadow_offset, &shadow_rsc, &data); |
| uint16_t *dst = data; |
| |
| struct pipe_transfer *src_transfer = NULL; |
| const uint32_t *src; |
| if (info->has_user_indices) { |
| src = info->index.user; |
| } else { |
| src = pipe_buffer_map_range(pctx, &orig->base, |
| offset, |
| count * 4, |
| PIPE_MAP_READ, &src_transfer); |
| } |
| |
| for (int i = 0; i < count; i++) { |
| uint32_t src_index = src[i]; |
| assert(src_index <= 0xffff); |
| dst[i] = src_index; |
| } |
| |
| if (src_transfer) |
| pctx->transfer_unmap(pctx, src_transfer); |
| |
| return shadow_rsc; |
| } |
| |
| static const struct u_transfer_vtbl transfer_vtbl = { |
| .resource_create = vc4_resource_create, |
| .resource_destroy = vc4_resource_destroy, |
| .transfer_map = vc4_resource_transfer_map, |
| .transfer_unmap = vc4_resource_transfer_unmap, |
| .transfer_flush_region = u_default_transfer_flush_region, |
| }; |
| |
| void |
| vc4_resource_screen_init(struct pipe_screen *pscreen) |
| { |
| struct vc4_screen *screen = vc4_screen(pscreen); |
| |
| pscreen->resource_create = vc4_resource_create; |
| pscreen->resource_create_with_modifiers = |
| vc4_resource_create_with_modifiers; |
| pscreen->resource_from_handle = vc4_resource_from_handle; |
| pscreen->resource_destroy = u_resource_destroy_vtbl; |
| pscreen->resource_get_handle = vc4_resource_get_handle; |
| pscreen->resource_destroy = vc4_resource_destroy; |
| pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl, |
| false, false, |
| false, true); |
| |
| /* Test if the kernel has GET_TILING; it will return -EINVAL if the |
| * ioctl does not exist, but -ENOENT if we pass an impossible handle. |
| * 0 cannot be a valid GEM object, so use that. |
| */ |
| struct drm_vc4_get_tiling get_tiling = { |
| .handle = 0x0, |
| }; |
| int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling); |
| if (ret == -1 && errno == ENOENT) |
| screen->has_tiling_ioctl = true; |
| } |
| |
| void |
| vc4_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 = vc4_texture_subdata; |
| 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; |
| } |
