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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"
#include "util/u_vbuf.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

struct r600_transfer {
	struct pipe_transfer		transfer;
	struct r600_resource		*staging;
	unsigned			offset;
};

struct r600_resource_texture {
	struct r600_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			offset[PIPE_MAX_TEXTURE_LEVELS];
	unsigned			pitch_in_bytes[PIPE_MAX_TEXTURE_LEVELS];  /* transfer */
	unsigned			pitch_in_blocks[PIPE_MAX_TEXTURE_LEVELS]; /* texture resource */
	unsigned			layer_size[PIPE_MAX_TEXTURE_LEVELS];
	unsigned			array_mode[PIPE_MAX_TEXTURE_LEVELS];
	unsigned			pitch_override;
	unsigned			size;
	unsigned			tile_type;
	bool				is_depth;
	unsigned			dirty_db;
	struct r600_resource_texture    *stencil; /* Stencil is in a separate buffer on Evergreen. */
	struct r600_resource_texture	*flushed_depth_texture;
	boolean				is_flushing_texture;
	struct radeon_surface		surface;
};

#define R600_TEX_IS_TILED(tex, level) ((tex)->array_mode[level] != V_038000_ARRAY_LINEAR_GENERAL && (tex)->array_mode[level] != V_038000_ARRAY_LINEAR_ALIGNED)

struct r600_surface {
	struct pipe_surface		base;
	unsigned			aligned_height;
};

void r600_init_screen_resource_functions(struct pipe_screen *screen);

/* r600_texture */
struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
					const struct pipe_resource *templ);
struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
						const struct pipe_resource *base,
						struct winsys_handle *whandle);

static INLINE struct r600_resource *r600_resource(struct pipe_resource *r)
{
	return (struct r600_resource*)r;
}

int r600_texture_depth_flush(struct pipe_context *ctx, struct pipe_resource *texture, boolean just_create);

/* r600_texture.c texture transfer functions. */
struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
						struct pipe_resource *texture,
						unsigned level,
						unsigned usage,
						const struct pipe_box *box);
void r600_texture_transfer_destroy(struct pipe_context *ctx,
				   struct pipe_transfer *trans);
void* r600_texture_transfer_map(struct pipe_context *ctx,
				struct pipe_transfer* transfer);
void r600_texture_transfer_unmap(struct pipe_context *ctx,
				 struct pipe_transfer* transfer);

struct r600_context;

void r600_upload_const_buffer(struct r600_context *rctx, struct r600_resource **rbuffer, uint32_t *offset);

uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource);

#endif