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/*
 * Copyright 2010 Marek Olšák <maraeo@gmail.com
 *
 * 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
 * on 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
 * THE AUTHOR(S) AND/OR THEIR 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.
 */
#ifndef R600_RESOURCE_H
#define R600_RESOURCE_H

#include "util/u_transfer.h"

/* flag to indicate a resource is to be used as a transfer so should not be tiled */
#define R600_RESOURCE_FLAG_TRANSFER		PIPE_RESOURCE_FLAG_DRV_PRIV
#define R600_RESOURCE_FLAG_FLUSHED_DEPTH	(PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
#define R600_RESOURCE_FLAG_FORCE_TILING		(PIPE_RESOURCE_FLAG_DRV_PRIV << 2)

/* Texture transfer. */
struct r600_transfer {
	/* Base class. */
	struct pipe_transfer		transfer;
	/* Buffer transfer. */
	struct pipe_transfer		*buffer_transfer;
	unsigned			offset;
	struct pipe_resource		*staging;
};

struct r600_fmask_info {
	unsigned offset;
	unsigned size;
	unsigned alignment;
	unsigned bank_height;
	unsigned slice_tile_max;
	unsigned tile_mode_index;
};

struct r600_cmask_info {
	unsigned offset;
	unsigned size;
	unsigned alignment;
	unsigned slice_tile_max;
};

struct r600_texture {
	struct si_resource		resource;

	/* If this resource is a depth-stencil buffer on evergreen, this contains
	 * the depth part of the format. There is a separate stencil resource
	 * for the stencil buffer below. */
	enum pipe_format		real_format;

	unsigned			size;
	unsigned			pitch_override;
	unsigned			is_depth;
	unsigned			dirty_level_mask; /* each bit says if that miplevel is dirty */
	struct r600_texture		*flushed_depth_texture;
	boolean				is_flushing_texture;
	struct radeon_surface		surface;

	/* Colorbuffer compression and fast clear. */
	struct r600_fmask_info		fmask;
	struct r600_cmask_info		cmask;
};

struct r600_surface {
	struct pipe_surface		base;
};

void r600_init_screen_resource_functions(struct pipe_screen *screen);

/* r600_texture */
struct pipe_resource *si_texture_create(struct pipe_screen *screen,
					const struct pipe_resource *templ);
struct pipe_resource *si_texture_from_handle(struct pipe_screen *screen,
					     const struct pipe_resource *base,
					     struct winsys_handle *whandle);

bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
				     struct pipe_resource *texture,
				     struct r600_texture **staging);


struct r600_context;

void r600_upload_const_buffer(struct r600_context *rctx, struct si_resource **rbuffer,
			      const uint8_t *ptr, unsigned size,
			      uint32_t *const_offset);

#endif