Пример #1
0
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 && !(ptrans->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
		struct pipe_box box;
		u_box_2d(0, 0, ptrans->box.width, ptrans->box.height, &box);
		fd_resource_flush(trans, &box);
	}

	if (!(ptrans->usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
		fd_bo_cpu_fini(rsc->bo);
		if (rsc->stencil)
			fd_bo_cpu_fini(rsc->stencil->bo);
	}

	util_range_add(&rsc->valid_buffer_range,
				   ptrans->box.x,
				   ptrans->box.x + ptrans->box.width);

	pipe_resource_reference(&ptrans->resource, NULL);
	util_slab_free(&ctx->transfer_pool, ptrans);

	free(trans->staging);
}
Пример #2
0
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);
	struct fd_transfer *trans = fd_transfer(ptrans);

	if (ptrans->resource->target == PIPE_BUFFER)
		util_range_add(&rsc->valid_buffer_range,
					   ptrans->box.x + box->x,
					   ptrans->box.x + box->x + box->width);

	if (trans->staging)
		fd_resource_flush(trans, box);
}
Пример #3
0
int hd_write(uint8_t minor, uint8_t rawflag, uint8_t flag)
{
    flag;
    return fd_transfer(false, minor + 8, rawflag);
}
Пример #4
0
int hd_read(uint8_t minor, uint8_t rawflag, uint8_t flag)
{
    flag;
    return fd_transfer(true, minor + 8, rawflag);
}
Пример #5
0
int fd_write(uint8_t minor, uint8_t rawflag, uint8_t flag)
{
    flag;
    return fd_transfer(minor, false, rawflag);
}
Пример #6
0
int fd_read(uint8_t minor, uint8_t rawflag, uint8_t flag)
{
    flag;
    return fd_transfer(minor, true, rawflag);
}
Пример #7
0
int fd_write(uint_fast8_t minor, uint_fast8_t rawflag, uint_fast8_t flag)
{
    flag;
    return fd_transfer(false, minor, rawflag);
}
Пример #8
0
int fd_read(uint_fast8_t minor, uint_fast8_t rawflag, uint_fast8_t flag)
{
    flag;
    return fd_transfer(true, minor, rawflag);
}
Пример #9
0
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_resource_slice *slice = fd_resource_slice(rsc, level);
	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);

	ptrans = util_slab_alloc(&ctx->transfer_pool);
	if (!ptrans)
		return NULL;

	/* util_slab_alloc() 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 = util_format_get_nblocksx(format, slice->pitch) * rsc->cpp;
	ptrans->layer_stride = rsc->layer_first ? rsc->layer_size : slice->size0;

	if (usage & PIPE_TRANSFER_READ)
		op |= DRM_FREEDRENO_PREP_READ;

	if (usage & PIPE_TRANSFER_WRITE)
		op |= DRM_FREEDRENO_PREP_WRITE;

	if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
		realloc_bo(rsc, fd_bo_size(rsc->bo));
		if (rsc->stencil)
			realloc_bo(rsc->stencil, fd_bo_size(rsc->stencil->bo));
		fd_invalidate_resource(ctx, prsc);
	} 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)) {
		/* 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.
		 */
		if (((ptrans->usage & PIPE_TRANSFER_WRITE) &&
					pending(rsc, FD_PENDING_READ | FD_PENDING_WRITE)) ||
				pending(rsc, FD_PENDING_WRITE))
			fd_context_render(pctx);

		/* 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.
		 */
		ret = fd_bo_cpu_prep(rsc->bo, ctx->screen->pipe, op);
		if (ret)
			goto fail;
	}

	buf = fd_bo_map(rsc->bo);
	if (!buf)
		goto fail;

	offset = slice->offset +
		box->y / util_format_get_blockheight(format) * ptrans->stride +
		box->x / util_format_get_blockwidth(format) * rsc->cpp +
		fd_resource_layer_offset(rsc, slice, box->z);

	if (prsc->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ||
		prsc->format == PIPE_FORMAT_X32_S8X24_UINT) {
		assert(trans->base.box.depth == 1);

		trans->base.stride = trans->base.box.width * rsc->cpp * 2;
		trans->staging = malloc(trans->base.stride * trans->base.box.height);
		if (!trans->staging)
			goto fail;

		/* if we're not discarding the whole range (or resource), we must copy
		 * the real data in.
		 */
		if (!(usage & (PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE |
					   PIPE_TRANSFER_DISCARD_RANGE))) {
			struct fd_resource_slice *sslice =
				fd_resource_slice(rsc->stencil, level);
			void *sbuf = fd_bo_map(rsc->stencil->bo);
			if (!sbuf)
				goto fail;

			float *depth = (float *)(buf + slice->offset +
				fd_resource_layer_offset(rsc, slice, box->z) +
				box->y * slice->pitch * 4 + box->x * 4);
			uint8_t *stencil = sbuf + sslice->offset +
				fd_resource_layer_offset(rsc->stencil, sslice, box->z) +
				box->y * sslice->pitch + box->x;

			if (format != PIPE_FORMAT_X32_S8X24_UINT)
				util_format_z32_float_s8x24_uint_pack_z_float(
						trans->staging, trans->base.stride,
						depth, slice->pitch * 4,
						box->width, box->height);

			util_format_z32_float_s8x24_uint_pack_s_8uint(
					trans->staging, trans->base.stride,
					stencil, sslice->pitch,
					box->width, box->height);
		}

		buf = trans->staging;
		offset = 0;
	} else if (rsc->internal_format != format &&
			   util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_RGTC) {
		assert(trans->base.box.depth == 1);

		trans->base.stride = util_format_get_stride(
				format, trans->base.box.width);
		trans->staging = malloc(
				util_format_get_2d_size(format, trans->base.stride,
										trans->base.box.height));
		if (!trans->staging)
			goto fail;

		/* if we're not discarding the whole range (or resource), we must copy
		 * the real data in.
		 */
		if (!(usage & (PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE |
					   PIPE_TRANSFER_DISCARD_RANGE))) {
			uint8_t *rgba8 = (uint8_t *)buf + slice->offset +
				fd_resource_layer_offset(rsc, slice, box->z) +
				box->y * slice->pitch * rsc->cpp + box->x * rsc->cpp;

			switch (format) {
			case PIPE_FORMAT_RGTC1_UNORM:
			case PIPE_FORMAT_RGTC1_SNORM:
			case PIPE_FORMAT_LATC1_UNORM:
			case PIPE_FORMAT_LATC1_SNORM:
				util_format_rgtc1_unorm_pack_rgba_8unorm(
					trans->staging, trans->base.stride,
					rgba8, slice->pitch * rsc->cpp,
					box->width, box->height);
				break;
			case PIPE_FORMAT_RGTC2_UNORM:
			case PIPE_FORMAT_RGTC2_SNORM:
			case PIPE_FORMAT_LATC2_UNORM:
			case PIPE_FORMAT_LATC2_SNORM:
				util_format_rgtc2_unorm_pack_rgba_8unorm(
					trans->staging, trans->base.stride,
					rgba8, slice->pitch * rsc->cpp,
					box->width, box->height);
				break;
			default:
				assert(!"Unexpected format");
				break;
			}
		}

		buf = trans->staging;
		offset = 0;
	}

	*pptrans = ptrans;

	return buf + offset;

fail:
	fd_resource_transfer_unmap(pctx, ptrans);
	return NULL;
}