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4358 Serge 1
/*
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 * Copyright 2010 Marek Olšák 
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
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 * license, and/or sell copies of the Software, and to permit persons to whom
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 * the Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
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 * paragraph) shall be included in all copies or substantial portions of the
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 * Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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 * USE OR OTHER DEALINGS IN THE SOFTWARE.
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 */
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#ifndef R600_RESOURCE_H
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#define R600_RESOURCE_H
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#include "util/u_transfer.h"
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/* flag to indicate a resource is to be used as a transfer so should not be tiled */
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#define R600_RESOURCE_FLAG_TRANSFER		PIPE_RESOURCE_FLAG_DRV_PRIV
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#define R600_RESOURCE_FLAG_FLUSHED_DEPTH	(PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
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/* Texture transfer. */
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struct r600_transfer {
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	/* Base class. */
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	struct pipe_transfer		transfer;
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	/* Buffer transfer. */
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	struct pipe_transfer		*buffer_transfer;
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	unsigned			offset;
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	struct pipe_resource		*staging;
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};
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struct r600_resource_texture {
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	struct si_resource		resource;
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	/* If this resource is a depth-stencil buffer on evergreen, this contains
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	 * the depth part of the format. There is a separate stencil resource
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	 * for the stencil buffer below. */
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	enum pipe_format		real_format;
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	unsigned			pitch_override;
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	unsigned			is_depth;
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	unsigned			dirty_db_mask; /* each bit says if that miplevel is dirty */
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	struct r600_resource_texture	*flushed_depth_texture;
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	boolean				is_flushing_texture;
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	struct radeon_surface		surface;
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	unsigned mipmap_shift;
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};
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struct r600_surface {
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	struct pipe_surface		base;
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};
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void r600_init_screen_resource_functions(struct pipe_screen *screen);
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/* r600_texture */
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struct pipe_resource *si_texture_create(struct pipe_screen *screen,
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					const struct pipe_resource *templ);
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struct pipe_resource *si_texture_from_handle(struct pipe_screen *screen,
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					     const struct pipe_resource *base,
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					     struct winsys_handle *whandle);
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bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
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				     struct pipe_resource *texture,
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				     struct r600_resource_texture **staging);
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struct r600_context;
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void r600_upload_const_buffer(struct r600_context *rctx, struct si_resource **rbuffer,
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			      const uint8_t *ptr, unsigned size,
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			      uint32_t *const_offset);
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#endif