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/*
 * Copyright (c) 2012-2013 Etnaviv Project
 *
 * 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
 * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
 *
 * Authors:
 *    Wladimir J. van der Laan <laanwj@gmail.com>
 */

#ifndef H_ETNAVIV_RS
#define H_ETNAVIV_RS

#include "etnaviv_context.h"
#include <stdint.h>

struct rs_state {
   uint8_t downsample_x : 1; /* Downsample in x direction */
   uint8_t downsample_y : 1; /* Downsample in y direction */

   uint8_t source_format; /* RS_FORMAT_XXX */
   uint8_t source_tiling; /* ETNA_LAYOUT_XXX */
   uint8_t dest_tiling; /* ETNA_LAYOUT_XXX */
   uint8_t dest_format; /* RS_FORMAT_XXX */
   uint8_t swap_rb;
   uint8_t flip;
   struct etna_bo *source;
   uint32_t source_offset;
   uint32_t source_stride;
   uint32_t source_padded_height; /* total padded height */
   struct etna_bo *dest;
   uint32_t dest_offset;
   uint32_t dest_stride;
   uint32_t dest_padded_height; /* total padded height */
   uint16_t width; /* source width */
   uint16_t height; /* source height */
   uint32_t dither[2];
   uint32_t clear_bits;
   uint32_t clear_mode; /* VIVS_RS_CLEAR_CONTROL_MODE_XXX */
   uint32_t clear_value[4];
   uint8_t aa;
   uint8_t endian_mode; /* ENDIAN_MODE_XXX */
};

/* treat this as opaque structure */
struct compiled_rs_state {
   uint32_t RS_CONFIG;
   uint32_t RS_SOURCE_STRIDE;
   uint32_t RS_DEST_STRIDE;
   uint32_t RS_WINDOW_SIZE;
   uint32_t RS_DITHER[2];
   uint32_t RS_CLEAR_CONTROL;
   uint32_t RS_FILL_VALUE[4];
   uint32_t RS_EXTRA_CONFIG;
   uint32_t RS_PIPE_OFFSET[2];

   struct etna_reloc source[2];
   struct etna_reloc dest[2];
};

/* compile RS state struct */
void
etna_compile_rs_state(struct etna_context *ctx, struct compiled_rs_state *cs,
                      const struct rs_state *rs);

/* modify the clear bits value in the compiled RS state */
void
etna_modify_rs_clearbits(struct compiled_rs_state *cs, uint32_t clear_bits);

#endif