#include "util/u_memory.h"
#include "virgl_context.h"
+#include "virgl_encode.h"
#include "virgl_resource.h"
#include "virgl_screen.h"
static void virgl_copy_region_with_blit(struct pipe_context *pipe,
struct pipe_resource *dst,
unsigned dst_level,
- unsigned dstx, unsigned dsty, unsigned dstz,
+ const struct pipe_box *dst_box,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *src_box)
blit.dst.resource = dst;
blit.dst.format = dst->format;
blit.dst.level = dst_level;
- blit.dst.box.x = dstx;
- blit.dst.box.y = dsty;
- blit.dst.box.z = dstz;
- blit.dst.box.width = src_box->width;
- blit.dst.box.height = src_box->height;
- blit.dst.box.depth = src_box->depth;
+ blit.dst.box.x = dst_box->x;
+ blit.dst.box.y = dst_box->y;
+ blit.dst.box.z = dst_box->z;
+ blit.dst.box.width = dst_box->width;
+ blit.dst.box.height = dst_box->height;
+ blit.dst.box.depth = dst_box->depth;
blit.mask = util_format_get_mask(src->format) &
util_format_get_mask(dst->format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
pipe->blit(pipe, &blit);
}
}
+
+static unsigned temp_bind(unsigned orig)
+{
+ unsigned warn = ~(PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL |
+ PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DISPLAY_TARGET);
+ if (orig & warn)
+ debug_printf("VIRGL: Warning, possibly unhandled bind: %x\n",
+ orig & warn);
+
+ return orig & (PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET);
+}
+
static void virgl_init_temp_resource_from_box(struct pipe_resource *res,
struct pipe_resource *orig,
const struct pipe_box *box,
- unsigned level, unsigned flags)
+ unsigned level, unsigned flags,
+ enum pipe_format fmt)
{
memset(res, 0, sizeof(*res));
- res->format = orig->format;
+ res->bind = temp_bind(orig->bind);
+ res->format = fmt;
res->width0 = box->width;
res->height0 = box->height;
res->depth0 = 1;
else
res->target = PIPE_TEXTURE_2D;
+ if (res->target != PIPE_BUFFER)
+ res->bind = PIPE_BIND_RENDER_TARGET;
+
switch (res->target) {
case PIPE_TEXTURE_1D_ARRAY:
case PIPE_TEXTURE_2D_ARRAY:
}
}
-static unsigned
-vrend_get_tex_image_offset(const struct virgl_texture *res,
- unsigned level, unsigned layer)
-{
- const struct pipe_resource *pres = &res->base.u.b;
- const unsigned hgt = u_minify(pres->height0, level);
- const unsigned nblocksy = util_format_get_nblocksy(pres->format, hgt);
- unsigned offset = res->level_offset[level];
-
- if (pres->target == PIPE_TEXTURE_CUBE ||
- pres->target == PIPE_TEXTURE_CUBE_ARRAY ||
- pres->target == PIPE_TEXTURE_3D ||
- pres->target == PIPE_TEXTURE_2D_ARRAY) {
- offset += layer * nblocksy * res->stride[level];
- }
- else if (pres->target == PIPE_TEXTURE_1D_ARRAY) {
- offset += layer * res->stride[level];
- }
- else {
- assert(layer == 0);
- }
-
- return offset;
-}
-
-static void *virgl_texture_transfer_map(struct pipe_context *ctx,
+static void *texture_transfer_map_plain(struct pipe_context *ctx,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
struct pipe_transfer **transfer)
{
struct virgl_context *vctx = virgl_context(ctx);
- struct virgl_screen *vs = virgl_screen(ctx->screen);
- struct virgl_texture *vtex = virgl_texture(resource);
- enum pipe_format format = resource->format;
+ struct virgl_winsys *vws = virgl_screen(ctx->screen)->vws;
+ struct virgl_resource *vtex = virgl_resource(resource);
struct virgl_transfer *trans;
- void *ptr;
- boolean readback = TRUE;
- uint32_t offset;
- struct virgl_hw_res *hw_res;
- const unsigned h = u_minify(vtex->base.u.b.height0, level);
- const unsigned nblocksy = util_format_get_nblocksy(format, h);
- uint32_t l_stride;
- bool doflushwait;
-
- doflushwait = virgl_res_needs_flush_wait(vctx, &vtex->base, usage);
- if (doflushwait)
- ctx->flush(ctx, NULL, 0);
+ enum virgl_transfer_map_type map_type;
+ void *map_addr;
- trans = slab_alloc(&vctx->texture_transfer_pool);
- if (!trans)
- return NULL;
-
- trans->base.resource = resource;
- trans->base.level = level;
- trans->base.usage = usage;
- trans->base.box = *box;
- trans->base.stride = vtex->stride[level];
- trans->base.layer_stride = trans->base.stride * nblocksy;
-
- if (resource->target != PIPE_TEXTURE_3D &&
- resource->target != PIPE_TEXTURE_CUBE &&
- resource->target != PIPE_TEXTURE_1D_ARRAY &&
- resource->target != PIPE_TEXTURE_2D_ARRAY &&
- resource->target != PIPE_TEXTURE_CUBE_ARRAY)
- l_stride = 0;
- else
- l_stride = trans->base.layer_stride;
+ trans = virgl_resource_create_transfer(&vctx->transfer_pool, resource,
+ &vtex->metadata, level, usage, box);
+ trans->resolve_transfer = NULL;
- if (resource->nr_samples > 1) {
- struct pipe_resource tmp_resource;
- virgl_init_temp_resource_from_box(&tmp_resource, resource, box,
- level, 0);
+ assert(resource->nr_samples <= 1);
- trans->resolve_tmp = (struct virgl_resource *)ctx->screen->resource_create(ctx->screen, &tmp_resource);
-
- virgl_copy_region_with_blit(ctx, &trans->resolve_tmp->u.b, 0, 0, 0, 0, resource, level, box);
- ctx->flush(ctx, NULL, 0);
- /* we want to do a resolve blit into the temporary */
- hw_res = trans->resolve_tmp->hw_res;
- offset = 0;
- } else {
- offset = vrend_get_tex_image_offset(vtex, level, box->z);
-
- offset += box->y / util_format_get_blockheight(format) * trans->base.stride +
- box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
- hw_res = vtex->base.hw_res;
- trans->resolve_tmp = NULL;
+ map_type = virgl_resource_transfer_prepare(vctx, trans);
+ switch (map_type) {
+ case VIRGL_TRANSFER_MAP_HW_RES:
+ trans->hw_res_map = vws->resource_map(vws, vtex->hw_res);
+ if (trans->hw_res_map)
+ map_addr = trans->hw_res_map + trans->offset;
+ else
+ map_addr = NULL;
+ break;
+ case VIRGL_TRANSFER_MAP_STAGING:
+ map_addr = virgl_transfer_uploader_map(vctx, trans);
+ /* Copy transfers don't make use of hw_res_map at the moment. */
+ trans->hw_res_map = NULL;
+ break;
+ case VIRGL_TRANSFER_MAP_ERROR:
+ default:
+ trans->hw_res_map = NULL;
+ map_addr = NULL;
+ break;
}
- readback = virgl_res_needs_readback(vctx, &vtex->base, usage);
- if (readback)
- vs->vws->transfer_get(vs->vws, hw_res, box, trans->base.stride, l_stride, offset, level);
-
- if (doflushwait || readback)
- vs->vws->resource_wait(vs->vws, vtex->base.hw_res);
-
- ptr = vs->vws->resource_map(vs->vws, hw_res);
- if (!ptr) {
- slab_free(&vctx->texture_transfer_pool, trans);
+ if (!map_addr) {
+ virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);
return NULL;
}
- trans->offset = offset;
*transfer = &trans->base;
-
- return ptr + trans->offset;
+ return map_addr;
}
-static void virgl_texture_transfer_unmap(struct pipe_context *ctx,
- struct pipe_transfer *transfer)
+static void *texture_transfer_map_resolve(struct pipe_context *ctx,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ struct pipe_transfer **transfer)
{
struct virgl_context *vctx = virgl_context(ctx);
- struct virgl_transfer *trans = virgl_transfer(transfer);
- struct virgl_texture *vtex = virgl_texture(transfer->resource);
- uint32_t l_stride;
-
- if (transfer->resource->target != PIPE_TEXTURE_3D &&
- transfer->resource->target != PIPE_TEXTURE_CUBE &&
- transfer->resource->target != PIPE_TEXTURE_1D_ARRAY &&
- transfer->resource->target != PIPE_TEXTURE_2D_ARRAY &&
- transfer->resource->target != PIPE_TEXTURE_CUBE_ARRAY)
- l_stride = 0;
- else
- l_stride = trans->base.layer_stride;
+ struct virgl_resource *vtex = virgl_resource(resource);
+ struct pipe_resource templ, *resolve_tmp;
+ struct virgl_transfer *trans;
- if (trans->base.usage & PIPE_TRANSFER_WRITE) {
- if (!(transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
- struct virgl_screen *vs = virgl_screen(ctx->screen);
- vtex->base.clean = FALSE;
- vctx->num_transfers++;
- vs->vws->transfer_put(vs->vws, vtex->base.hw_res,
- &transfer->box, trans->base.stride, l_stride, trans->offset, transfer->level);
+ trans = virgl_resource_create_transfer(&vctx->transfer_pool, resource,
+ &vtex->metadata, level, usage, box);
+ if (!trans)
+ return NULL;
- }
+ enum pipe_format fmt = resource->format;
+ if (!virgl_has_readback_format(ctx->screen, fmt)) {
+ if (util_format_fits_8unorm(util_format_description(fmt)))
+ fmt = PIPE_FORMAT_R8G8B8A8_UNORM;
+ else if (util_format_is_pure_sint(fmt))
+ fmt = PIPE_FORMAT_R32G32B32A32_SINT;
+ else if (util_format_is_pure_uint(fmt))
+ fmt = PIPE_FORMAT_R32G32B32A32_UINT;
+ else
+ fmt = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ assert(virgl_has_readback_format(ctx->screen, fmt));
}
- if (trans->resolve_tmp)
- pipe_resource_reference((struct pipe_resource **)&trans->resolve_tmp, NULL);
+ struct pipe_box dst_box = *box;
+ dst_box.x = dst_box.y = dst_box.z = 0;
+ if (usage & PIPE_TRANSFER_READ) {
+ /* readback should scale to the block size */
+ dst_box.width = align(dst_box.width,
+ util_format_get_blockwidth(resource->format));
+ dst_box.height = align(dst_box.height,
+ util_format_get_blockheight(resource->format));
+ }
- slab_free(&vctx->texture_transfer_pool, trans);
-}
+ virgl_init_temp_resource_from_box(&templ, resource, &dst_box, level, 0, fmt);
+ resolve_tmp = ctx->screen->resource_create(ctx->screen, &templ);
+ if (!resolve_tmp)
+ return NULL;
-static void
-vrend_resource_layout(struct virgl_texture *res,
- uint32_t *total_size)
-{
- struct pipe_resource *pt = &res->base.u.b;
- unsigned level;
- unsigned width = pt->width0;
- unsigned height = pt->height0;
- unsigned depth = pt->depth0;
- unsigned buffer_size = 0;
-
- for (level = 0; level <= pt->last_level; level++) {
- unsigned slices;
-
- if (pt->target == PIPE_TEXTURE_CUBE)
- slices = 6;
- else if (pt->target == PIPE_TEXTURE_3D)
- slices = depth;
- else
- slices = pt->array_size;
+ if (usage & PIPE_TRANSFER_READ) {
+ virgl_copy_region_with_blit(ctx, resolve_tmp, 0, &dst_box, resource,
+ level, box);
+ ctx->flush(ctx, NULL, 0);
+ }
- res->stride[level] = util_format_get_stride(pt->format, width);
- res->level_offset[level] = buffer_size;
+ void *ptr = texture_transfer_map_plain(ctx, resolve_tmp, 0, usage, &dst_box,
+ &trans->resolve_transfer);
+ if (!ptr)
+ goto fail;
- buffer_size += (util_format_get_nblocksy(pt->format, height) *
- slices * res->stride[level]);
+ *transfer = &trans->base;
+ if (fmt == resource->format) {
+ trans->base.stride = trans->resolve_transfer->stride;
+ trans->base.layer_stride = trans->resolve_transfer->layer_stride;
+ return ptr;
+ } else {
+ if (usage & PIPE_TRANSFER_READ) {
+ struct virgl_winsys *vws = virgl_screen(ctx->screen)->vws;
+ void *src = ptr;
+ ptr = vws->resource_map(vws, vtex->hw_res);
+ if (!ptr)
+ goto fail;
+
+ if (!util_format_translate_3d(resource->format,
+ ptr + vtex->metadata.level_offset[level],
+ trans->base.stride,
+ trans->base.layer_stride,
+ box->x, box->y, box->z,
+ fmt,
+ src,
+ trans->resolve_transfer->stride,
+ trans->resolve_transfer->layer_stride,
+ 0, 0, 0,
+ dst_box.width,
+ dst_box.height,
+ dst_box.depth)) {
+ debug_printf("failed to translate format %s to %s\n",
+ util_format_short_name(fmt),
+ util_format_short_name(resource->format));
+ goto fail;
+ }
+ }
+
+ if ((usage & PIPE_TRANSFER_WRITE) == 0)
+ pipe_resource_reference(&trans->resolve_transfer->resource, NULL);
- width = u_minify(width, 1);
- height = u_minify(height, 1);
- depth = u_minify(depth, 1);
+ return ptr + trans->offset;
}
- if (pt->nr_samples <= 1)
- *total_size = buffer_size;
- else /* don't create guest backing store for MSAA */
- *total_size = 0;
+fail:
+ pipe_resource_reference(&resolve_tmp, NULL);
+ virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);
+ return NULL;
+}
+
+static bool needs_resolve(struct pipe_screen *screen,
+ struct pipe_resource *resource, unsigned usage)
+{
+ if (resource->nr_samples > 1)
+ return true;
+
+ if (usage & PIPE_TRANSFER_READ)
+ return !util_format_is_depth_or_stencil(resource->format) &&
+ !virgl_has_readback_format(screen, resource->format);
+
+ return false;
}
-static boolean virgl_texture_get_handle(struct pipe_screen *screen,
- struct pipe_resource *ptex,
- struct winsys_handle *whandle)
+static void *virgl_texture_transfer_map(struct pipe_context *ctx,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ struct pipe_transfer **transfer)
{
- struct virgl_screen *vs = virgl_screen(screen);
- struct virgl_texture *vtex = virgl_texture(ptex);
+ if (needs_resolve(ctx->screen, resource, usage))
+ return texture_transfer_map_resolve(ctx, resource, level, usage, box,
+ transfer);
- return vs->vws->resource_get_handle(vs->vws, vtex->base.hw_res, vtex->stride[0], whandle);
+ return texture_transfer_map_plain(ctx, resource, level, usage, box, transfer);
}
-static void virgl_texture_destroy(struct pipe_screen *screen,
- struct pipe_resource *res)
+static void flush_data(struct pipe_context *ctx,
+ struct virgl_transfer *trans,
+ const struct pipe_box *box)
{
- struct virgl_screen *vs = virgl_screen(screen);
- struct virgl_texture *vtex = virgl_texture(res);
- vs->vws->resource_unref(vs->vws, vtex->base.hw_res);
- FREE(vtex);
+ struct virgl_winsys *vws = virgl_screen(ctx->screen)->vws;
+ vws->transfer_put(vws, virgl_resource(trans->base.resource)->hw_res, box,
+ trans->base.stride, trans->l_stride, trans->offset,
+ trans->base.level);
+}
+
+static void virgl_texture_transfer_unmap(struct pipe_context *ctx,
+ struct pipe_transfer *transfer)
+{
+ struct virgl_context *vctx = virgl_context(ctx);
+ struct virgl_transfer *trans = virgl_transfer(transfer);
+ struct virgl_screen *vs = virgl_screen(ctx->screen);
+ struct pipe_resource *res = transfer->resource;
+ bool queue_unmap = false;
+
+ /* We don't need to transfer the contents of staging buffers, since they
+ * don't have any host-side storage. */
+ if (pipe_to_virgl_bind(vs, res->bind, res->flags) == VIRGL_BIND_STAGING) {
+ virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);
+ return;
+ }
+
+ if (transfer->usage & PIPE_TRANSFER_WRITE &&
+ (transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT) == 0) {
+
+ if (trans->resolve_transfer && (trans->base.resource->format ==
+ trans->resolve_transfer->resource->format)) {
+ flush_data(ctx, virgl_transfer(trans->resolve_transfer),
+ &trans->resolve_transfer->box);
+
+ /* FINISHME: In case the destination format isn't renderable here, the
+ * blit here will currently fail. This could for instance happen if the
+ * mapped resource is of a compressed format, and it's mapped with both
+ * read and write usage.
+ */
+
+ virgl_copy_region_with_blit(ctx,
+ trans->base.resource, trans->base.level,
+ &transfer->box,
+ trans->resolve_transfer->resource, 0,
+ &trans->resolve_transfer->box);
+ ctx->flush(ctx, NULL, 0);
+ } else
+ queue_unmap = true;
+ }
+
+ if (trans->resolve_transfer) {
+ pipe_resource_reference(&trans->resolve_transfer->resource, NULL);
+ virgl_resource_destroy_transfer(&vctx->transfer_pool,
+ virgl_transfer(trans->resolve_transfer));
+ }
+
+ if (queue_unmap) {
+ if (trans->copy_src_res) {
+ virgl_encode_copy_transfer(vctx, trans);
+ /* It's now safe for other mappings to use the transfer_uploader. */
+ vctx->transfer_uploader_in_use = false;
+ virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);
+ } else {
+ virgl_transfer_queue_unmap(&vctx->queue, trans);
+ }
+ } else {
+ virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);
+ }
+
}
static const struct u_resource_vtbl virgl_texture_vtbl =
{
- virgl_texture_get_handle, /* get_handle */
- virgl_texture_destroy, /* resource_destroy */
+ virgl_resource_get_handle, /* get_handle */
+ virgl_resource_destroy, /* resource_destroy */
virgl_texture_transfer_map, /* transfer_map */
NULL, /* transfer_flush_region */
virgl_texture_transfer_unmap, /* transfer_unmap */
};
-struct pipe_resource *
-virgl_texture_from_handle(struct virgl_screen *vs,
- const struct pipe_resource *template,
- struct winsys_handle *whandle)
+void virgl_texture_init(struct virgl_resource *res)
{
- struct virgl_texture *tex = CALLOC_STRUCT(virgl_texture);
- tex->base.u.b = *template;
- tex->base.u.b.screen = &vs->base;
- pipe_reference_init(&tex->base.u.b.reference, 1);
- tex->base.u.vtbl = &virgl_texture_vtbl;
-
- tex->base.hw_res = vs->vws->resource_create_from_handle(vs->vws, whandle);
- return &tex->base.u.b;
-}
-
-struct pipe_resource *virgl_texture_create(struct virgl_screen *vs,
- const struct pipe_resource *template)
-{
- struct virgl_texture *tex;
- uint32_t size;
- unsigned vbind;
-
- tex = CALLOC_STRUCT(virgl_texture);
- tex->base.clean = TRUE;
- tex->base.u.b = *template;
- tex->base.u.b.screen = &vs->base;
- pipe_reference_init(&tex->base.u.b.reference, 1);
- tex->base.u.vtbl = &virgl_texture_vtbl;
- vrend_resource_layout(tex, &size);
-
- vbind = pipe_to_virgl_bind(template->bind);
- tex->base.hw_res = vs->vws->resource_create(vs->vws, template->target, template->format, vbind, template->width0, template->height0, template->depth0, template->array_size, template->last_level, template->nr_samples, size);
- if (!tex->base.hw_res) {
- FREE(tex);
- return NULL;
- }
- return &tex->base.u.b;
+ res->u.vtbl = &virgl_texture_vtbl;
}