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/*
* Copyright (c) 2016 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:
* Christian Gmeiner <christian.gmeiner@gmail.com>
*/
#include "etnaviv_format.h"
#include "hw/common_3d.xml.h"
#include "hw/state.xml.h"
#include "hw/state_3d.xml.h"
#include "pipe/p_defines.h"
/* Specifies the table of all the formats and their features. Also supplies
* the helpers that look up various data in those tables.
*/
struct etna_format {
unsigned vtx;
unsigned tex;
unsigned rs;
unsigned ts;
boolean present;
const unsigned char tex_swiz[4];
};
#define RS_FORMAT_NONE ~0
#define RS_FORMAT_MASK 0xf
#define RS_FORMAT(x) ((x) & RS_FORMAT_MASK)
#define RS_FORMAT_RB_SWAP 0x10
#define RS_FORMAT_X8B8G8R8 (RS_FORMAT_X8R8G8B8 | RS_FORMAT_RB_SWAP)
#define RS_FORMAT_A8B8G8R8 (RS_FORMAT_A8R8G8B8 | RS_FORMAT_RB_SWAP)
#define TS_SAMPLER_FORMAT_NONE ETNA_NO_MATCH
#define SWIZ(x,y,z,w) { \
PIPE_SWIZZLE_##x, \
PIPE_SWIZZLE_##y, \
PIPE_SWIZZLE_##z, \
PIPE_SWIZZLE_##w \
}
/* vertex + texture */
#define VT(pipe, vtxfmt, texfmt, texswiz, rsfmt, tsfmt) \
[PIPE_FORMAT_##pipe] = { \
.vtx = FE_DATA_TYPE_##vtxfmt, \
.tex = TEXTURE_FORMAT_##texfmt, \
.rs = RS_FORMAT_##rsfmt, \
.ts = TS_SAMPLER_FORMAT_##tsfmt, \
.present = 1, \
.tex_swiz = texswiz, \
}
/* texture-only */
#define _T(pipe, fmt, swiz, rsfmt, tsfmt) \
[PIPE_FORMAT_##pipe] = { \
.vtx = ETNA_NO_MATCH, \
.tex = TEXTURE_FORMAT_##fmt, \
.rs = RS_FORMAT_##rsfmt, \
.ts = TS_SAMPLER_FORMAT_##tsfmt, \
.present = 1, \
.tex_swiz = swiz, \
}
/* vertex-only */
#define V_(pipe, fmt, rsfmt) \
[PIPE_FORMAT_##pipe] = { \
.vtx = FE_DATA_TYPE_##fmt, \
.tex = ETNA_NO_MATCH, \
.rs = RS_FORMAT_##rsfmt, \
.present = 1, \
}
static struct etna_format formats[PIPE_FORMAT_COUNT] = {
/* 8-bit */
VT(R8_UNORM, UNSIGNED_BYTE, L8, SWIZ(X, 0, 0, 1), NONE, NONE),
V_(R8_SNORM, BYTE, NONE),
V_(R8_UINT, UNSIGNED_BYTE, NONE),
V_(R8_SINT, BYTE, NONE),
V_(R8_USCALED, UNSIGNED_BYTE, NONE),
V_(R8_SSCALED, BYTE, NONE),
_T(A8_UNORM, A8, SWIZ(X, Y, Z, W), NONE, NONE),
_T(L8_UNORM, L8, SWIZ(X, Y, Z, W), NONE, NONE),
_T(I8_UNORM, I8, SWIZ(X, Y, Z, W), NONE, NONE),
/* 16-bit */
V_(R16_UNORM, UNSIGNED_SHORT, NONE),
V_(R16_SNORM, SHORT, NONE),
V_(R16_UINT, UNSIGNED_SHORT, NONE),
V_(R16_SINT, SHORT, NONE),
V_(R16_USCALED, UNSIGNED_SHORT, NONE),
V_(R16_SSCALED, SHORT, NONE),
V_(R16_FLOAT, HALF_FLOAT, NONE),
_T(B4G4R4A4_UNORM, A4R4G4B4, SWIZ(X, Y, Z, W), A4R4G4B4, A4R4G4B4),
_T(B4G4R4X4_UNORM, X4R4G4B4, SWIZ(X, Y, Z, W), X4R4G4B4, A4R4G4B4),
_T(L8A8_UNORM, A8L8, SWIZ(X, Y, Z, W), NONE, NONE),
_T(Z16_UNORM, D16, SWIZ(X, Y, Z, W), A4R4G4B4, D16),
_T(B5G6R5_UNORM, R5G6B5, SWIZ(X, Y, Z, W), R5G6B5, R5G6B5),
_T(B5G5R5A1_UNORM, A1R5G5B5, SWIZ(X, Y, Z, W), A1R5G5B5, A1R5G5B5),
_T(B5G5R5X1_UNORM, X1R5G5B5, SWIZ(X, Y, Z, W), X1R5G5B5, A1R5G5B5),
VT(R8G8_UNORM, UNSIGNED_BYTE, EXT_G8R8 | EXT_FORMAT, SWIZ(X, Y, 0, 1), NONE, NONE),
V_(R8G8_SNORM, BYTE, NONE),
V_(R8G8_UINT, UNSIGNED_BYTE, NONE),
V_(R8G8_SINT, BYTE, NONE),
V_(R8G8_USCALED, UNSIGNED_BYTE, NONE),
V_(R8G8_SSCALED, BYTE, NONE),
/* 24-bit */
V_(R8G8B8_UNORM, UNSIGNED_BYTE, NONE),
V_(R8G8B8_SNORM, BYTE, NONE),
V_(R8G8B8_UINT, UNSIGNED_BYTE, NONE),
V_(R8G8B8_SINT, BYTE, NONE),
V_(R8G8B8_USCALED, UNSIGNED_BYTE, NONE),
V_(R8G8B8_SSCALED, BYTE, NONE),
/* 32-bit */
V_(R32_UNORM, UNSIGNED_INT, NONE),
V_(R32_SNORM, INT, NONE),
V_(R32_SINT, INT, NONE),
V_(R32_UINT, UNSIGNED_INT, NONE),
V_(R32_USCALED, UNSIGNED_INT, NONE),
V_(R32_SSCALED, INT, NONE),
V_(R32_FLOAT, FLOAT, NONE),
V_(R32_FIXED, FIXED, NONE),
V_(R16G16_UNORM, UNSIGNED_SHORT, NONE),
V_(R16G16_SNORM, SHORT, NONE),
V_(R16G16_UINT, UNSIGNED_SHORT, NONE),
V_(R16G16_SINT, SHORT, NONE),
V_(R16G16_USCALED, UNSIGNED_SHORT, NONE),
V_(R16G16_SSCALED, SHORT, NONE),
V_(R16G16_FLOAT, HALF_FLOAT, NONE),
V_(A8B8G8R8_UNORM, UNSIGNED_BYTE, NONE),
VT(R8G8B8A8_UNORM, UNSIGNED_BYTE, A8B8G8R8, SWIZ(X, Y, Z, W), A8B8G8R8, A8R8G8B8),
V_(R8G8B8A8_SNORM, BYTE, A8B8G8R8),
_T(R8G8B8X8_UNORM, X8B8G8R8, SWIZ(X, Y, Z, W), X8B8G8R8, X8R8G8B8),
V_(R8G8B8A8_UINT, UNSIGNED_BYTE, A8B8G8R8),
V_(R8G8B8A8_SINT, BYTE, A8B8G8R8),
V_(R8G8B8A8_USCALED, UNSIGNED_BYTE, A8B8G8R8),
V_(R8G8B8A8_SSCALED, BYTE, A8B8G8R8),
_T(B8G8R8A8_UNORM, A8R8G8B8, SWIZ(X, Y, Z, W), A8R8G8B8, A8R8G8B8),
_T(B8G8R8X8_UNORM, X8R8G8B8, SWIZ(X, Y, Z, W), X8R8G8B8, X8R8G8B8),
_T(B8G8R8A8_SRGB, A8R8G8B8, SWIZ(X, Y, Z, W), A8R8G8B8, A8R8G8B8),
_T(B8G8R8X8_SRGB, X8R8G8B8, SWIZ(X, Y, Z, W), X8R8G8B8, X8R8G8B8),
V_(R10G10B10A2_UNORM, UNSIGNED_INT_10_10_10_2, NONE),
V_(R10G10B10A2_SNORM, INT_10_10_10_2, NONE),
V_(R10G10B10A2_USCALED, UNSIGNED_INT_10_10_10_2, NONE),
V_(R10G10B10A2_SSCALED, INT_10_10_10_2, NONE),
_T(X8Z24_UNORM, D24X8, SWIZ(X, Y, Z, W), A8R8G8B8, D24X8),
_T(S8_UINT_Z24_UNORM, D24X8, SWIZ(X, Y, Z, W), A8R8G8B8, D24X8),
/* 48-bit */
V_(R16G16B16_UNORM, UNSIGNED_SHORT, NONE),
V_(R16G16B16_SNORM, SHORT, NONE),
V_(R16G16B16_UINT, UNSIGNED_SHORT, NONE),
V_(R16G16B16_SINT, SHORT, NONE),
V_(R16G16B16_USCALED, UNSIGNED_SHORT, NONE),
V_(R16G16B16_SSCALED, SHORT, NONE),
V_(R16G16B16_FLOAT, HALF_FLOAT, NONE),
/* 64-bit */
V_(R16G16B16A16_UNORM, UNSIGNED_SHORT, NONE),
V_(R16G16B16A16_SNORM, SHORT, NONE),
V_(R16G16B16A16_UINT, UNSIGNED_SHORT, NONE),
V_(R16G16B16A16_SINT, SHORT, NONE),
V_(R16G16B16A16_USCALED, UNSIGNED_SHORT, NONE),
V_(R16G16B16A16_SSCALED, SHORT, NONE),
V_(R16G16B16A16_FLOAT, HALF_FLOAT, NONE),
V_(R32G32_UNORM, UNSIGNED_INT, NONE),
V_(R32G32_SNORM, INT, NONE),
V_(R32G32_UINT, UNSIGNED_INT, NONE),
V_(R32G32_SINT, INT, NONE),
V_(R32G32_USCALED, UNSIGNED_INT, NONE),
V_(R32G32_SSCALED, INT, NONE),
V_(R32G32_FLOAT, FLOAT, NONE),
V_(R32G32_FIXED, FIXED, NONE),
/* 96-bit */
V_(R32G32B32_UNORM, UNSIGNED_INT, NONE),
V_(R32G32B32_SNORM, INT, NONE),
V_(R32G32B32_UINT, UNSIGNED_INT, NONE),
V_(R32G32B32_SINT, INT, NONE),
V_(R32G32B32_USCALED, UNSIGNED_INT, NONE),
V_(R32G32B32_SSCALED, INT, NONE),
V_(R32G32B32_FLOAT, FLOAT, NONE),
V_(R32G32B32_FIXED, FIXED, NONE),
/* 128-bit */
V_(R32G32B32A32_UNORM, UNSIGNED_INT, NONE),
V_(R32G32B32A32_SNORM, INT, NONE),
V_(R32G32B32A32_UINT, UNSIGNED_INT, NONE),
V_(R32G32B32A32_SINT, INT, NONE),
V_(R32G32B32A32_USCALED, UNSIGNED_INT, NONE),
V_(R32G32B32A32_SSCALED, INT, NONE),
V_(R32G32B32A32_FLOAT, FLOAT, NONE),
V_(R32G32B32A32_FIXED, FIXED, NONE),
/* compressed */
_T(ETC1_RGB8, ETC1, SWIZ(X, Y, Z, W), NONE, NONE),
_T(DXT1_RGB, DXT1, SWIZ(X, Y, Z, W), NONE, NONE),
_T(DXT1_SRGBA,DXT1, SWIZ(X, Y, Z, W), NONE, NONE),
_T(DXT1_RGBA, DXT1, SWIZ(X, Y, Z, W), NONE, NONE),
_T(DXT3_SRGBA,DXT2_DXT3, SWIZ(X, Y, Z, W), NONE, NONE),
_T(DXT3_RGBA, DXT2_DXT3, SWIZ(X, Y, Z, W), NONE, NONE),
_T(DXT5_SRGBA,DXT4_DXT5, SWIZ(X, Y, Z, W), NONE, NONE),
_T(DXT5_RGBA, DXT4_DXT5, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ETC2_RGB8, EXT_NONE | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), /* Extd. format NONE doubles as ETC2_RGB8 */
_T(ETC2_SRGB8, EXT_NONE | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ETC2_RGB8A1, EXT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ETC2_SRGB8A1, EXT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ETC2_RGBA8, EXT_RGBA8_ETC2_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ETC2_SRGBA8, EXT_RGBA8_ETC2_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ETC2_R11_UNORM, EXT_R11_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ETC2_R11_SNORM, EXT_SIGNED_R11_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ETC2_RG11_UNORM, EXT_RG11_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ETC2_RG11_SNORM, EXT_SIGNED_RG11_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_4x4, ASTC_RGBA_4x4 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_5x4, ASTC_RGBA_5x4 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_5x5, ASTC_RGBA_5x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_6x5, ASTC_RGBA_6x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_6x6, ASTC_RGBA_6x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_8x5, ASTC_RGBA_8x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_8x6, ASTC_RGBA_8x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_8x8, ASTC_RGBA_8x8 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_10x5, ASTC_RGBA_10x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_10x6, ASTC_RGBA_10x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_10x8, ASTC_RGBA_10x8 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_10x10, ASTC_RGBA_10x10 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_12x10, ASTC_RGBA_12x10 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_12x12, ASTC_RGBA_12x12 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_4x4_SRGB, ASTC_SRGB8_ALPHA8_4x4 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_5x4_SRGB, ASTC_SRGB8_ALPHA8_5x4 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_5x5_SRGB, ASTC_SRGB8_ALPHA8_5x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_6x5_SRGB, ASTC_SRGB8_ALPHA8_6x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_6x6_SRGB, ASTC_SRGB8_ALPHA8_6x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_8x5_SRGB, ASTC_SRGB8_ALPHA8_8x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_8x6_SRGB, ASTC_SRGB8_ALPHA8_8x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_8x8_SRGB, ASTC_SRGB8_ALPHA8_8x8 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_10x5_SRGB, ASTC_SRGB8_ALPHA8_10x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_10x6_SRGB, ASTC_SRGB8_ALPHA8_10x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_10x8_SRGB, ASTC_SRGB8_ALPHA8_10x8 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_10x10_SRGB, ASTC_SRGB8_ALPHA8_10x10 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_12x10_SRGB, ASTC_SRGB8_ALPHA8_12x10 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
_T(ASTC_12x12_SRGB, ASTC_SRGB8_ALPHA8_12x12 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
/* YUV */
_T(YUYV, YUY2, SWIZ(X, Y, Z, W), YUY2, NONE),
_T(UYVY, UYVY, SWIZ(X, Y, Z, W), NONE, NONE),
};
uint32_t
translate_texture_format(enum pipe_format fmt)
{
if (!formats[fmt].present)
return ETNA_NO_MATCH;
return formats[fmt].tex;
}
bool
texture_format_needs_swiz(enum pipe_format fmt)
{
static const unsigned char def[4] = SWIZ(X, Y, Z, W);
bool swiz = false;
if (formats[fmt].present)
swiz = !!memcmp(def, formats[fmt].tex_swiz, sizeof(formats[fmt].tex_swiz));
return swiz;
}
uint32_t
get_texture_swiz(enum pipe_format fmt, unsigned swizzle_r,
unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a)
{
unsigned char swiz[4] = {
swizzle_r, swizzle_g, swizzle_b, swizzle_a,
}, rswiz[4];
assert(formats[fmt].present);
util_format_compose_swizzles(formats[fmt].tex_swiz, swiz, rswiz);
/* PIPE_SWIZZLE_ maps 1:1 to TEXTURE_SWIZZLE_ */
STATIC_ASSERT(PIPE_SWIZZLE_X == TEXTURE_SWIZZLE_RED);
STATIC_ASSERT(PIPE_SWIZZLE_Y == TEXTURE_SWIZZLE_GREEN);
STATIC_ASSERT(PIPE_SWIZZLE_Z == TEXTURE_SWIZZLE_BLUE);
STATIC_ASSERT(PIPE_SWIZZLE_W == TEXTURE_SWIZZLE_ALPHA);
STATIC_ASSERT(PIPE_SWIZZLE_0 == TEXTURE_SWIZZLE_ZERO);
STATIC_ASSERT(PIPE_SWIZZLE_1 == TEXTURE_SWIZZLE_ONE);
return VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(rswiz[0]) |
VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_G(rswiz[1]) |
VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_B(rswiz[2]) |
VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_A(rswiz[3]);
}
uint32_t
translate_rs_format(enum pipe_format fmt)
{
if (!formats[fmt].present)
return ETNA_NO_MATCH;
if (formats[fmt].rs == ETNA_NO_MATCH)
return ETNA_NO_MATCH;
return RS_FORMAT(formats[fmt].rs);
}
int
translate_rs_format_rb_swap(enum pipe_format fmt)
{
assert(formats[fmt].present);
return formats[fmt].rs & RS_FORMAT_RB_SWAP;
}
/* Return type flags for vertex element format */
uint32_t
translate_vertex_format_type(enum pipe_format fmt)
{
if (!formats[fmt].present)
return ETNA_NO_MATCH;
return formats[fmt].vtx;
}
uint32_t
translate_ts_sampler_format(enum pipe_format fmt)
{
if (!formats[fmt].present)
return ETNA_NO_MATCH;
return formats[fmt].ts;
}
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