/*
 * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
 *
 * 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, sublicense,
 * 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 NONINFRINGEMENT.  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.
 *
 */

#ifndef FD3_FORMAT_H_
#define FD3_FORMAT_H_

#include "util/u_format.h"
#include "freedreno_util.h"

#include "a3xx.xml.h"

enum a3xx_vtx_fmt fd3_pipe2vtx(enum pipe_format format);
enum a3xx_tex_fmt fd3_pipe2tex(enum pipe_format format);
enum a3xx_tex_fetchsize fd3_pipe2fetchsize(enum pipe_format format);
enum a3xx_color_fmt fd3_pipe2color(enum pipe_format format);
enum pipe_format fd3_gmem_restore_format(enum pipe_format format);
enum a3xx_color_fmt fd3_fs_output_format(enum pipe_format format);
enum a3xx_color_swap fd3_pipe2swap(enum pipe_format format);

uint32_t fd3_tex_swiz(enum pipe_format format, unsigned swizzle_r,
		unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a);

static INLINE bool
fd3_half_precision(enum pipe_format format)
{
	/* colors are provided in consts, which go through cov.f32f16, which will
	 * break these values
	 */
	if (util_format_is_pure_integer(format))
		return false;

	/* avoid losing precision on 32-bit float formats */
	if (util_format_is_float(format) &&
		util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0) == 32)
		return false;

	return true;
}

#endif /* FD3_FORMAT_H_ */
