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/*
* Copyright (c) 2011-2013 Luc Verhaegen <libv@skynet.be>
* Copyright (c) 2018-2019 Lima 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.
*
*/
#include <stdlib.h>
#include <util/macros.h>
#include "lima_format.h"
#define LIMA_TEXEL_FORMAT_L8 0x09
#define LIMA_TEXEL_FORMAT_A8 0x0a
#define LIMA_TEXEL_FORMAT_I8 0x0b
#define LIMA_TEXEL_FORMAT_BGR_565 0x0e
#define LIMA_TEXEL_FORMAT_L8A8 0x11
#define LIMA_TEXEL_FORMAT_L16 0x12
#define LIMA_TEXEL_FORMAT_A16 0x13
#define LIMA_TEXEL_FORMAT_I16 0x14
#define LIMA_TEXEL_FORMAT_RGB_888 0x15
#define LIMA_TEXEL_FORMAT_RGBA_8888 0x16
#define LIMA_TEXEL_FORMAT_RGBX_8888 0x17
#define LIMA_TEXEL_FORMAT_Z24S8 0x2c
#define LIMA_TEXEL_FORMAT_NONE -1
#define LIMA_PIXEL_FORMAT_B5G6R5 0x00
#define LIMA_PIXEL_FORMAT_B8G8R8A8 0x03
#define LIMA_PIXEL_FORMAT_Z16 0x0e
#define LIMA_PIXEL_FORMAT_Z24S8 0x0f
#define LIMA_PIXEL_FORMAT_NONE -1
struct lima_format {
bool present;
int texel;
int pixel;
bool swap_r_b;
};
#define LIMA_FORMAT(pipe, tex, pix, swap) \
[PIPE_FORMAT_##pipe] = { \
.present = true, .texel = LIMA_TEXEL_FORMAT_##tex, \
.pixel = LIMA_PIXEL_FORMAT_##pix, .swap_r_b = swap, \
}
static const struct lima_format lima_format_table[] = {
LIMA_FORMAT(R8G8B8A8_UNORM, RGBA_8888, B8G8R8A8, true),
LIMA_FORMAT(B8G8R8A8_UNORM, RGBA_8888, B8G8R8A8, false),
LIMA_FORMAT(R8G8B8A8_SRGB, RGBA_8888, B8G8R8A8, true),
LIMA_FORMAT(B8G8R8A8_SRGB, RGBA_8888, B8G8R8A8, false),
LIMA_FORMAT(R8G8B8X8_UNORM, RGBX_8888, B8G8R8A8, true),
LIMA_FORMAT(B8G8R8X8_UNORM, RGBX_8888, B8G8R8A8, false),
LIMA_FORMAT(B5G6R5_UNORM, BGR_565, B5G6R5, false),
LIMA_FORMAT(Z24_UNORM_S8_UINT, Z24S8, Z24S8, false),
LIMA_FORMAT(Z24X8_UNORM, Z24S8, Z24S8, false),
/* Blob uses L16 for Z16 */
LIMA_FORMAT(Z16_UNORM, L16, Z16, false),
LIMA_FORMAT(L16_UNORM, L16, NONE, false),
LIMA_FORMAT(L8_UNORM, L8, NONE, false),
LIMA_FORMAT(A16_UNORM, A16, NONE, false),
LIMA_FORMAT(A8_UNORM, A8, NONE, false),
LIMA_FORMAT(I16_UNORM, I16, NONE, false),
LIMA_FORMAT(I8_UNORM, I8, NONE, false),
LIMA_FORMAT(L8A8_UNORM, L8A8, NONE, false),
};
static const struct lima_format *
get_format(enum pipe_format f)
{
if (f >= ARRAY_SIZE(lima_format_table) ||
!lima_format_table[f].present)
return NULL;
return lima_format_table + f;
}
bool
lima_format_texel_supported(enum pipe_format f)
{
const struct lima_format *lf = get_format(f);
if (!lf)
return false;
return lf->texel != LIMA_TEXEL_FORMAT_NONE;
}
bool
lima_format_pixel_supported(enum pipe_format f)
{
const struct lima_format *lf = get_format(f);
if (!lf)
return false;
return lf->pixel != LIMA_PIXEL_FORMAT_NONE;
}
int
lima_format_get_texel(enum pipe_format f)
{
return lima_format_table[f].texel;
}
int
lima_format_get_pixel(enum pipe_format f)
{
return lima_format_table[f].pixel;
}
bool
lima_format_get_swap_rb(enum pipe_format f)
{
return lima_format_table[f].swap_r_b;
}
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