diff options
Diffstat (limited to 'src/gallium/drivers/panfrost/pan_resource.c')
| -rw-r--r-- | src/gallium/drivers/panfrost/pan_resource.c | 432 |
1 files changed, 432 insertions, 0 deletions
diff --git a/src/gallium/drivers/panfrost/pan_resource.c b/src/gallium/drivers/panfrost/pan_resource.c new file mode 100644 index 00000000000..de20fc79099 --- /dev/null +++ b/src/gallium/drivers/panfrost/pan_resource.c @@ -0,0 +1,432 @@ +/************************************************************************** + * + * Copyright 2008 VMware, Inc. + * Copyright 2014 Broadcom + * Copyright 2018 Alyssa Rosenzweig + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 <xf86drm.h> +#include <fcntl.h> +#include <drm_fourcc.h> + +#include "state_tracker/winsys_handle.h" +#include "util/u_format.h" +#include "util/u_memory.h" +#include "util/u_surface.h" +#include "util/u_transfer.h" +#include "util/u_transfer_helper.h" + +#include "pan_context.h" +#include "pan_screen.h" +#include "pan_resource.h" +#include "pan_swizzle.h" + +static struct pipe_resource * +panfrost_resource_from_handle(struct pipe_screen *pscreen, + const struct pipe_resource *templat, + struct winsys_handle *whandle, + unsigned usage) +{ + struct panfrost_screen *screen = pan_screen(pscreen); + struct panfrost_resource *rsc; + struct pipe_resource *prsc; + + assert(whandle->type == WINSYS_HANDLE_TYPE_FD); + + rsc = CALLOC_STRUCT(panfrost_resource); + if (!rsc) + return NULL; + + prsc = &rsc->base; + + *prsc = *templat; + + pipe_reference_init(&prsc->reference, 1); + prsc->screen = pscreen; + + rsc->bo = screen->driver->import_bo(screen, whandle); + + return prsc; +} + +static boolean +panfrost_resource_get_handle(struct pipe_screen *pscreen, + struct pipe_context *ctx, + struct pipe_resource *pt, + struct winsys_handle *handle, + unsigned usage) +{ + struct panfrost_screen *screen = pan_screen(pscreen); + struct panfrost_resource *rsrc = (struct panfrost_resource *) pt; + struct renderonly_scanout *scanout = rsrc->scanout; + int bytes_per_pixel = util_format_get_blocksize(rsrc->base.format); + int stride = bytes_per_pixel * rsrc->base.width0; /* TODO: Alignment? */ + + handle->stride = stride; + handle->modifier = DRM_FORMAT_MOD_INVALID; + + if (handle->type == WINSYS_HANDLE_TYPE_SHARED) { + printf("Missed shared handle\n"); + return FALSE; + } else if (handle->type == WINSYS_HANDLE_TYPE_KMS) { + if (renderonly_get_handle(scanout, handle)) { + return TRUE; + } else { + printf("Missed nonrenderonly KMS handle for resource %p with scanout %p\n", pt, scanout); + return FALSE; + } + } else if (handle->type == WINSYS_HANDLE_TYPE_FD) { + if (scanout) { + struct drm_prime_handle args = { + .handle = scanout->handle, + .flags = DRM_CLOEXEC, + }; + + int ret = drmIoctl(screen->ro->kms_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args); + if (ret == -1) + return FALSE; + + handle->handle = args.fd; + + return TRUE; + } else { + printf("Missed nonscanout FD handle\n"); + assert(0); + return FALSE; + } + } + + return FALSE; +} + +static void +panfrost_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc) +{ + //fprintf(stderr, "TODO %s\n", __func__); +} + +static void +panfrost_blit(struct pipe_context *pipe, + const struct pipe_blit_info *info) +{ + /* STUB */ + printf("Skipping blit XXX\n"); + return; +} + +static struct pipe_surface * +panfrost_create_surface(struct pipe_context *pipe, + struct pipe_resource *pt, + const struct pipe_surface *surf_tmpl) +{ + struct pipe_surface *ps = NULL; + + ps = CALLOC_STRUCT(pipe_surface); + + if (ps) { + pipe_reference_init(&ps->reference, 1); + pipe_resource_reference(&ps->texture, pt); + ps->context = pipe; + ps->format = surf_tmpl->format; + + if (pt->target != PIPE_BUFFER) { + assert(surf_tmpl->u.tex.level <= pt->last_level); + ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level); + ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level); + ps->u.tex.level = surf_tmpl->u.tex.level; + ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer; + ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer; + } else { + /* setting width as number of elements should get us correct renderbuffer width */ + ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1; + ps->height = pt->height0; + ps->u.buf.first_element = surf_tmpl->u.buf.first_element; + ps->u.buf.last_element = surf_tmpl->u.buf.last_element; + assert(ps->u.buf.first_element <= ps->u.buf.last_element); + assert(ps->u.buf.last_element < ps->width); + } + } + + return ps; +} + +static void +panfrost_surface_destroy(struct pipe_context *pipe, + struct pipe_surface *surf) +{ + assert(surf->texture); + pipe_resource_reference(&surf->texture, NULL); + free(surf); +} + +/* TODO: Proper resource tracking depends on, well, proper resources. This + * section will be woefully incomplete until we can sort out a proper DRM + * driver. */ + +static struct pipe_resource * +panfrost_resource_create(struct pipe_screen *screen, + const struct pipe_resource *template) +{ + struct panfrost_resource *so = CALLOC_STRUCT(panfrost_resource); + struct panfrost_screen *pscreen = (struct panfrost_screen *) screen; + + so->base = *template; + so->base.screen = screen; + + pipe_reference_init(&so->base.reference, 1); + + /* Make sure we're familiar */ + switch (template->target) { + case PIPE_BUFFER: + case PIPE_TEXTURE_1D: + case PIPE_TEXTURE_2D: + case PIPE_TEXTURE_3D: + case PIPE_TEXTURE_RECT: + break; + default: + fprintf(stderr, "Unknown texture target %d\n", template->target); + assert(0); + } + + if ((template->bind & PIPE_BIND_RENDER_TARGET) || (template->bind & PIPE_BIND_DEPTH_STENCIL)) { + if (template->bind & PIPE_BIND_DISPLAY_TARGET || + template->bind & PIPE_BIND_SCANOUT || + template->bind & PIPE_BIND_SHARED) { + struct pipe_resource scanout_templat = *template; + struct renderonly_scanout *scanout; + struct winsys_handle handle; + + /* TODO: align width0 and height0? */ + + scanout = renderonly_scanout_for_resource(&scanout_templat, + pscreen->ro, &handle); + if (!scanout) + return NULL; + + assert(handle.type == WINSYS_HANDLE_TYPE_FD); + /* TODO: handle modifiers? */ + so = pan_resource(screen->resource_from_handle(screen, template, + &handle, + PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE)); + close(handle.handle); + if (!so) + return NULL; + + so->scanout = scanout; + pscreen->display_target = so; + } else { + so->bo = pscreen->driver->create_bo(pscreen, template); + } + } else { + so->bo = pscreen->driver->create_bo(pscreen, template); + } + + printf("Created resource %p with scanout %p\n", so, so->scanout); + + return (struct pipe_resource *)so; +} + +static void +panfrost_resource_destroy(struct pipe_screen *screen, + struct pipe_resource *pt) +{ + struct panfrost_screen *pscreen = panfrost_screen(screen); + struct panfrost_resource *rsrc = (struct panfrost_resource *) pt; + + if (rsrc->scanout) + renderonly_scanout_destroy(rsrc->scanout, pscreen->ro); + + if (rsrc->bo) + pscreen->driver->destroy_bo(pscreen, rsrc->bo); + + FREE(rsrc); +} + +static void * +panfrost_transfer_map(struct pipe_context *pctx, + struct pipe_resource *resource, + unsigned level, + unsigned usage, /* a combination of PIPE_TRANSFER_x */ + const struct pipe_box *box, + struct pipe_transfer **out_transfer) +{ + struct panfrost_context *ctx = pan_context(pctx); + struct panfrost_screen *screen = panfrost_screen(pctx->screen); + int bytes_per_pixel = util_format_get_blocksize(resource->format); + int stride = bytes_per_pixel * resource->width0; /* TODO: Alignment? */ + uint8_t *cpu; + + struct pipe_transfer *transfer = CALLOC_STRUCT(pipe_transfer); + transfer->level = level; + transfer->usage = usage; + transfer->box = *box; + transfer->stride = stride; + assert(!transfer->box.z); + + pipe_resource_reference(&transfer->resource, resource); + + *out_transfer = transfer; + + if (resource->bind & PIPE_BIND_DISPLAY_TARGET || + resource->bind & PIPE_BIND_SCANOUT || + resource->bind & PIPE_BIND_SHARED) { + /* Mipmapped readpixels?! */ + assert(level == 0); + + /* Force a flush -- kill the pipeline */ + panfrost_flush(pctx, NULL, PIPE_FLUSH_END_OF_FRAME); + } + + cpu = screen->driver->map_bo(ctx, transfer); + if (cpu == NULL) + return NULL; + + return cpu + transfer->box.x * bytes_per_pixel + transfer->box.y * stride; +} + +static void +panfrost_transfer_unmap(struct pipe_context *pctx, + struct pipe_transfer *transfer) +{ + struct panfrost_context *ctx = pan_context(pctx); + struct panfrost_screen *screen = pan_screen(pctx->screen); + + screen->driver->unmap_bo(ctx, transfer); + + /* Derefence the resource */ + pipe_resource_reference(&transfer->resource, NULL); + + /* Transfer itself is CALLOCed at the moment */ + free(transfer); +} + + +static struct pb_slab * +panfrost_slab_alloc(void *priv, unsigned heap, unsigned entry_size, unsigned group_index) +{ + struct panfrost_screen *screen = (struct panfrost_screen *) priv; + struct panfrost_memory *mem = CALLOC_STRUCT(panfrost_memory); + + size_t slab_size = (1 << (MAX_SLAB_ENTRY_SIZE + 1)); + + mem->slab.num_entries = slab_size / entry_size; + mem->slab.num_free = mem->slab.num_entries; + + LIST_INITHEAD(&mem->slab.free); + for (unsigned i = 0; i < mem->slab.num_entries; ++i) { + /* Create a slab entry */ + struct panfrost_memory_entry *entry = CALLOC_STRUCT(panfrost_memory_entry); + entry->offset = entry_size * i; + + entry->base.slab = &mem->slab; + entry->base.group_index = group_index; + + LIST_ADDTAIL(&entry->base.head, &mem->slab.free); + } + + /* Actually allocate the memory from kernel-space. Mapped, same_va, no + * special flags */ + + screen->driver->allocate_slab(screen, mem, slab_size / 4096, true, 0, 0, 0); + + return &mem->slab; +} + +static bool +panfrost_slab_can_reclaim(void *priv, struct pb_slab_entry *entry) +{ + struct panfrost_memory_entry *p_entry = (struct panfrost_memory_entry *) entry; + return p_entry->freed; +} + +static void +panfrost_slab_free(void *priv, struct pb_slab *slab) +{ + /* STUB */ + //struct panfrost_memory *mem = (struct panfrost_memory *) slab; + printf("stub: Tried to free slab\n"); +} + +static void +panfrost_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc) +{ + //fprintf(stderr, "TODO %s\n", __func__); +} + +static const struct u_transfer_vtbl transfer_vtbl = { + .resource_create = panfrost_resource_create, + .resource_destroy = panfrost_resource_destroy, + .transfer_map = panfrost_transfer_map, + .transfer_unmap = panfrost_transfer_unmap, + .transfer_flush_region = u_default_transfer_flush_region, + //.get_internal_format = panfrost_resource_get_internal_format, + //.set_stencil = panfrost_resource_set_stencil, + //.get_stencil = panfrost_resource_get_stencil, +}; + +void +panfrost_resource_screen_init(struct panfrost_screen *pscreen) +{ + //pscreen->base.resource_create_with_modifiers = + // panfrost_resource_create_with_modifiers; + pscreen->base.resource_create = u_transfer_helper_resource_create; + pscreen->base.resource_destroy = u_transfer_helper_resource_destroy; + pscreen->base.resource_from_handle = panfrost_resource_from_handle; + pscreen->base.resource_get_handle = panfrost_resource_get_handle; + pscreen->base.transfer_helper = u_transfer_helper_create(&transfer_vtbl, + true, true, + true, true); + + pb_slabs_init(&pscreen->slabs, + MIN_SLAB_ENTRY_SIZE, + MAX_SLAB_ENTRY_SIZE, + + 3, /* Number of heaps */ + + pscreen, + + panfrost_slab_can_reclaim, + panfrost_slab_alloc, + panfrost_slab_free); +} + +void +panfrost_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->create_surface = panfrost_create_surface; + pctx->surface_destroy = panfrost_surface_destroy; + pctx->resource_copy_region = util_resource_copy_region; + pctx->blit = panfrost_blit; + //pctx->generate_mipmap = panfrost_generate_mipmap; + pctx->flush_resource = panfrost_flush_resource; + pctx->invalidate_resource = panfrost_invalidate_resource; + pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region; + pctx->buffer_subdata = u_default_buffer_subdata; + pctx->texture_subdata = u_default_texture_subdata; +} |