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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mesa
 Path: blob/21.2-virgl/src/gallium/drivers/r600/r600_formats.h
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#ifndef R600_FORMATS_H

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#define R600_FORMATS_H

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#include "util/format/u_format.h"

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#include "r600_pipe.h"

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/* list of formats from R700 ISA document - apply across GPUs in different registers */

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#define     FMT_INVALID                     0x00000000

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#define     FMT_8                           0x00000001

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#define     FMT_4_4                         0x00000002

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#define     FMT_3_3_2                       0x00000003

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#define     FMT_16                          0x00000005

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#define     FMT_16_FLOAT                    0x00000006

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#define     FMT_8_8                         0x00000007

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#define     FMT_5_6_5                       0x00000008

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#define     FMT_6_5_5                       0x00000009

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#define     FMT_1_5_5_5                     0x0000000A

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#define     FMT_4_4_4_4                     0x0000000B

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#define     FMT_5_5_5_1                     0x0000000C

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#define     FMT_32                          0x0000000D

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#define     FMT_32_FLOAT                    0x0000000E

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#define     FMT_16_16                       0x0000000F

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#define     FMT_16_16_FLOAT                 0x00000010

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#define     FMT_8_24                        0x00000011

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#define     FMT_8_24_FLOAT                  0x00000012

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#define     FMT_24_8                        0x00000013

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#define     FMT_24_8_FLOAT                  0x00000014

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#define     FMT_10_11_11                    0x00000015

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#define     FMT_10_11_11_FLOAT              0x00000016

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#define     FMT_11_11_10                    0x00000017

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#define     FMT_11_11_10_FLOAT              0x00000018

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#define     FMT_2_10_10_10                  0x00000019

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#define     FMT_8_8_8_8                     0x0000001A

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#define     FMT_10_10_10_2                  0x0000001B

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#define     FMT_X24_8_32_FLOAT              0x0000001C

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#define     FMT_32_32                       0x0000001D

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#define     FMT_32_32_FLOAT                 0x0000001E

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#define     FMT_16_16_16_16                 0x0000001F

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#define     FMT_16_16_16_16_FLOAT           0x00000020

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#define     FMT_32_32_32_32                 0x00000022

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#define     FMT_32_32_32_32_FLOAT           0x00000023

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#define     FMT_1                           0x00000025

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#define     FMT_GB_GR                       0x00000027

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#define     FMT_BG_RG                       0x00000028

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#define     FMT_32_AS_8                     0x00000029

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#define     FMT_32_AS_8_8                   0x0000002a

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#define     FMT_5_9_9_9_SHAREDEXP           0x0000002b

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#define     FMT_8_8_8                       0x0000002c

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#define     FMT_16_16_16                    0x0000002d

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#define     FMT_16_16_16_FLOAT              0x0000002e

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#define     FMT_32_32_32                    0x0000002f

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#define     FMT_32_32_32_FLOAT              0x00000030

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#define     FMT_BC1                         0x00000031

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#define     FMT_BC2                         0x00000032

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#define     FMT_BC3                         0x00000033

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#define     FMT_BC4                         0x00000034

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#define     FMT_BC5                         0x00000035

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#define     FMT_BC6                         0x00000036

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#define     FMT_BC7                         0x00000037

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#define     FMT_32_AS_32_32_32_32           0x00000038

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#define     ENDIAN_NONE                     0

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#define     ENDIAN_8IN16                    1

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#define     ENDIAN_8IN32                    2

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#define     ENDIAN_8IN64                    3

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static inline unsigned r600_endian_swap(unsigned size)

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{

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	if (R600_BIG_ENDIAN) {

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		switch (size) {

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		case 64:

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			return ENDIAN_8IN64;

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		case 32:

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			return ENDIAN_8IN32;

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		case 16:

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			return ENDIAN_8IN16;

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		default:

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			return ENDIAN_NONE;

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		}

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	} else {

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		return ENDIAN_NONE;

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	}

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}

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static inline bool r600_is_vertex_format_supported(enum pipe_format format)

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{

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	const struct util_format_description *desc = util_format_description(format);

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	unsigned i;

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	if (format == PIPE_FORMAT_R11G11B10_FLOAT)

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		return true;

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	if (!desc)

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		return false;

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	/* Find the first non-VOID channel. */

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	for (i = 0; i < 4; i++) {

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		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID)

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			break;

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	}

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	if (i == 4)

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		return false;

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	/* No fixed, no double. */

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	if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN ||

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	    (desc->channel[i].size == 64 &&

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	     desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) ||

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	    desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED)

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		return false;

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	/* No scaled/norm formats with 32 bits per channel. */

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	if (desc->channel[i].size == 32 &&

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	    !desc->channel[i].pure_integer &&

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	    (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||

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	     desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED))

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		return false;

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	/* No 8 bit 3 channel formats */

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	if (desc->channel[i].size == 8 && desc->nr_channels == 3)

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		return false;

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	return true;

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}

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static inline bool r600_is_index_format_supported(enum pipe_format format)

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{

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	switch (format) {

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	case PIPE_FORMAT_R8_UINT:

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	case PIPE_FORMAT_R16_UINT:

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	case PIPE_FORMAT_R32_UINT:

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		return true;

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	default:

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		return false;

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	}

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}

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#endif

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