/*
* 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.
*
*/
#include "pipe/p_defines.h"
#include "util/u_format.h"
#include "fd3_format.h"
/* Specifies the table of all the formats and their features. Also supplies
* the helpers that look up various data in those tables.
*/
struct fd3_format {
enum a3xx_vtx_fmt vtx;
enum a3xx_tex_fmt tex;
enum a3xx_color_fmt rb;
enum a3xx_color_swap swap;
boolean present;
};
#define RB_NONE ~0
/* vertex + texture */
#define VT(pipe, fmt, rbfmt, swapfmt) \
[PIPE_FORMAT_ ## pipe] = { \
.present = 1, \
.vtx = VFMT_ ## fmt, \
.tex = TFMT_ ## fmt, \
.rb = RB_ ## rbfmt, \
.swap = swapfmt \
}
/* texture-only */
#define _T(pipe, fmt, rbfmt, swapfmt) \
[PIPE_FORMAT_ ## pipe] = { \
.present = 1, \
.vtx = ~0, \
.tex = TFMT_ ## fmt, \
.rb = RB_ ## rbfmt, \
.swap = swapfmt \
}
/* vertex-only */
#define V_(pipe, fmt, rbfmt, swapfmt) \
[PIPE_FORMAT_ ## pipe] = { \
.present = 1, \
.vtx = VFMT_ ## fmt, \
.tex = ~0, \
.rb = RB_ ## rbfmt, \
.swap = swapfmt \
}
static struct fd3_format formats[PIPE_FORMAT_COUNT] = {
/* 8-bit */
VT(R8_UNORM, 8_UNORM, R8_UNORM, WZYX),
VT(R8_SNORM, 8_SNORM, NONE, WZYX),
VT(R8_UINT, 8_UINT, R8_UINT, WZYX),
VT(R8_SINT, 8_SINT, R8_SINT, WZYX),
V_(R8_USCALED, 8_UINT, NONE, WZYX),
V_(R8_SSCALED, 8_UINT, NONE, WZYX),
_T(A8_UNORM, 8_UNORM, A8_UNORM, WZYX),
_T(L8_UNORM, 8_UNORM, R8_UNORM, WZYX),
_T(I8_UNORM, 8_UNORM, NONE, WZYX),
_T(A8_UINT, 8_UINT, NONE, WZYX),
_T(A8_SINT, 8_SINT, NONE, WZYX),
_T(L8_UINT, 8_UINT, NONE, WZYX),
_T(L8_SINT, 8_SINT, NONE, WZYX),
_T(I8_UINT, 8_UINT, NONE, WZYX),
_T(I8_SINT, 8_SINT, NONE, WZYX),
_T(S8_UINT, 8_UINT, R8_UNORM, WZYX),
/* 16-bit */
VT(R16_UNORM, 16_UNORM, NONE, WZYX),
VT(R16_SNORM, 16_SNORM, NONE, WZYX),
VT(R16_UINT, 16_UINT, R16_UINT, WZYX),
VT(R16_SINT, 16_SINT, R16_SINT, WZYX),
V_(R16_USCALED, 16_UINT, NONE, WZYX),
V_(R16_SSCALED, 16_UINT, NONE, WZYX),
VT(R16_FLOAT, 16_FLOAT, R16_FLOAT,WZYX),
_T(A16_UINT, 16_UINT, NONE, WZYX),
_T(A16_SINT, 16_SINT, NONE, WZYX),
_T(L16_UINT, 16_UINT, NONE, WZYX),
_T(L16_SINT, 16_SINT, NONE, WZYX),
_T(I16_UINT, 16_UINT, NONE, WZYX),
_T(I16_SINT, 16_SINT, NONE, WZYX),
VT(R8G8_UNORM, 8_8_UNORM, R8G8_UNORM, WZYX),
VT(R8G8_SNORM, 8_8_SNORM, R8G8_SNORM, WZYX),
VT(R8G8_UINT, 8_8_UINT, NONE, WZYX),
VT(R8G8_SINT, 8_8_SINT, NONE, WZYX),
V_(R8G8_USCALED, 8_8_UINT, NONE, WZYX),
V_(R8G8_SSCALED, 8_8_SINT, NONE, WZYX),
_T(L8A8_UINT, 8_8_UINT, NONE, WZYX),
_T(L8A8_SINT, 8_8_SINT, NONE, WZYX),
_T(Z16_UNORM, Z16_UNORM, R8G8_UNORM, WZYX),
_T(B5G6R5_UNORM, 5_6_5_UNORM, R5G6B5_UNORM, WXYZ),
_T(B5G5R5A1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
_T(B5G5R5X1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
_T(B4G4R4A4_UNORM, 4_4_4_4_UNORM, R4G4B4A4_UNORM, WXYZ),
/* 24-bit */
V_(R8G8B8_UNORM, 8_8_8_UNORM, NONE, WZYX),
V_(R8G8B8_SNORM, 8_8_8_SNORM, NONE, WZYX),
V_(R8G8B8_UINT, 8_8_8_UINT, NONE, WZYX),
V_(R8G8B8_SINT, 8_8_8_SINT, NONE, WZYX),
V_(R8G8B8_USCALED, 8_8_8_UINT, NONE, WZYX),
V_(R8G8B8_SSCALED, 8_8_8_SINT, NONE, WZYX),
/* 32-bit */
VT(R32_UINT, 32_UINT, R32_UINT, WZYX),
VT(R32_SINT, 32_SINT, R32_SINT, WZYX),
V_(R32_USCALED, 32_UINT, NONE, WZYX),
V_(R32_SSCALED, 32_UINT, NONE, WZYX),
VT(R32_FLOAT, 32_FLOAT, R32_FLOAT,WZYX),
V_(R32_FIXED, 32_FIXED, NONE, WZYX),
_T(A32_UINT, 32_UINT, NONE, WZYX),
_T(A32_SINT, 32_SINT, NONE, WZYX),
_T(L32_UINT, 32_UINT, NONE, WZYX),
_T(L32_SINT, 32_SINT, NONE, WZYX),
_T(I32_UINT, 32_UINT, NONE, WZYX),
_T(I32_SINT, 32_SINT, NONE, WZYX),
VT(R16G16_UNORM, 16_16_UNORM, NONE, WZYX),
VT(R16G16_SNORM, 16_16_SNORM, NONE, WZYX),
VT(R16G16_UINT, 16_16_UINT, R16G16_UINT, WZYX),
VT(R16G16_SINT, 16_16_SINT, R16G16_SINT, WZYX),
V_(R16G16_USCALED, 16_16_UINT, NONE, WZYX),
V_(R16G16_SSCALED, 16_16_SINT, NONE, WZYX),
VT(R16G16_FLOAT, 16_16_FLOAT, R16G16_FLOAT,WZYX),
_T(L16A16_UINT, 16_16_UINT, NONE, WZYX),
_T(L16A16_SINT, 16_16_SINT, NONE, WZYX),
VT(R8G8B8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
_T(R8G8B8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
_T(R8G8B8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
_T(R8G8B8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
VT(R8G8B8A8_SNORM, 8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX),
VT(R8G8B8A8_UINT, 8_8_8_8_UINT, R8G8B8A8_UINT, WZYX),
VT(R8G8B8A8_SINT, 8_8_8_8_SINT, R8G8B8A8_SINT, WZYX),
V_(R8G8B8A8_USCALED, 8_8_8_8_UINT, NONE, WZYX),
V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT, NONE, WZYX),
VT(B8G8R8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
_T(B8G8R8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
VT(B8G8R8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
_T(B8G8R8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
VT(A8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
_T(X8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
_T(A8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
_T(X8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
VT(A8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
_T(X8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
_T(A8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
_T(X8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
VT(R10G10B10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX),
VT(B10G10R10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
_T(B10G10R10X2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
V_(R10G10B10A2_SNORM, 10_10_10_2_SNORM, NONE, WZYX),
V_(B10G10R10A2_SNORM, 10_10_10_2_SNORM, NONE, WXYZ),
V_(R10G10B10A2_UINT, 10_10_10_2_UINT, NONE, WZYX),
V_(B10G10R10A2_UINT, 10_10_10_2_UINT, NONE, WXYZ),
V_(R10G10B10A2_USCALED, 10_10_10_2_UINT, NONE, WZYX),
V_(B10G10R10A2_USCALED, 10_10_10_2_UINT, NONE, WXYZ),
V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT, NONE, WZYX),
V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT, NONE, WXYZ),
_T(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX),
_T(R9G9B9E5_FLOAT, 9_9_9_E5_FLOAT, NONE, WZYX),
_T(Z24X8_UNORM, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
_T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
_T(Z32_FLOAT, Z32_FLOAT, R8G8B8A8_UNORM, WZYX),
_T(Z32_FLOAT_S8X24_UINT, Z32_FLOAT,R8G8B8A8_UNORM, WZYX),
/* 48-bit */
V_(R16G16B16_UNORM, 16_16_16_UNORM, NONE, WZYX),
V_(R16G16B16_SNORM, 16_16_16_SNORM, NONE, WZYX),
V_(R16G16B16_UINT, 16_16_16_UINT, NONE, WZYX),
V_(R16G16B16_SINT, 16_16_16_SINT, NONE, WZYX),
V_(R16G16B16_USCALED, 16_16_16_UINT, NONE, WZYX),
V_(R16G16B16_SSCALED, 16_16_16_SINT, NONE, WZYX),
V_(R16G16B16_FLOAT, 16_16_16_FLOAT, NONE, WZYX),
/* 64-bit */
VT(R16G16B16A16_UNORM, 16_16_16_16_UNORM, NONE, WZYX),
VT(R16G16B16A16_SNORM, 16_16_16_16_SNORM, NONE, WZYX),
VT(R16G16B16A16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX),
_T(R16G16B16X16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX),
VT(R16G16B16A16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX),
_T(R16G16B16X16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX),
V_(R16G16B16A16_USCALED, 16_16_16_16_UINT, NONE, WZYX),
V_(R16G16B16A16_SSCALED, 16_16_16_16_SINT, NONE, WZYX),
VT(R16G16B16A16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
_T(R16G16B16X16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
VT(R32G32_UINT, 32_32_UINT, R32G32_UINT, WZYX),
VT(R32G32_SINT, 32_32_SINT, R32G32_SINT, WZYX),
V_(R32G32_USCALED, 32_32_UINT, NONE, WZYX),
V_(R32G32_SSCALED, 32_32_SINT, NONE, WZYX),
VT(R32G32_FLOAT, 32_32_FLOAT, R32G32_FLOAT,WZYX),
V_(R32G32_FIXED, 32_32_FIXED, NONE, WZYX),
_T(L32A32_UINT, 32_32_UINT, NONE, WZYX),
_T(L32A32_SINT, 32_32_SINT, NONE, WZYX),
/* 96-bit */
V_(R32G32B32_UINT, 32_32_32_UINT, NONE, WZYX),
V_(R32G32B32_SINT, 32_32_32_SINT, NONE, WZYX),
V_(R32G32B32_USCALED, 32_32_32_UINT, NONE, WZYX),
V_(R32G32B32_SSCALED, 32_32_32_SINT, NONE, WZYX),
V_(R32G32B32_FLOAT, 32_32_32_FLOAT, NONE, WZYX),
V_(R32G32B32_FIXED, 32_32_32_FIXED, NONE, WZYX),
/* 128-bit */
VT(R32G32B32A32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX),
_T(R32G32B32X32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX),
VT(R32G32B32A32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX),
_T(R32G32B32X32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX),
V_(R32G32B32A32_USCALED, 32_32_32_32_UINT, NONE, WZYX),
V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT, NONE, WZYX),
VT(R32G32B32A32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
_T(R32G32B32X32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
V_(R32G32B32A32_FIXED, 32_32_32_32_FIXED, NONE, WZYX),
/* compressed */
_T(ETC1_RGB8, ETC1, NONE, WZYX),
_T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX),
_T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX),
_T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX),
_T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX),
_T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX),
_T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX),
_T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX),
_T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX),
_T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX),
_T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX),
_T(DXT1_RGB, DXT1, NONE, WZYX),
_T(DXT1_SRGB, DXT1, NONE, WZYX),
_T(DXT1_RGBA, DXT1, NONE, WZYX),
_T(DXT1_SRGBA, DXT1, NONE, WZYX),
_T(DXT3_RGBA, DXT3, NONE, WZYX),
_T(DXT3_SRGBA, DXT3, NONE, WZYX),
_T(DXT5_RGBA, DXT5, NONE, WZYX),
_T(DXT5_SRGBA, DXT5, NONE, WZYX),
/* faked */
_T(RGTC1_UNORM, 8_8_8_8_UNORM, NONE, WZYX),
_T(RGTC1_SNORM, 8_8_8_8_SNORM, NONE, WZYX),
_T(RGTC2_UNORM, 8_8_8_8_UNORM, NONE, WZYX),
_T(RGTC2_SNORM, 8_8_8_8_SNORM, NONE, WZYX),
_T(LATC1_UNORM, 8_8_8_8_UNORM, NONE, WZYX),
_T(LATC1_SNORM, 8_8_8_8_SNORM, NONE, WZYX),
_T(LATC2_UNORM, 8_8_8_8_UNORM, NONE, WZYX),
_T(LATC2_SNORM, 8_8_8_8_SNORM, NONE, WZYX),
};
enum a3xx_vtx_fmt
fd3_pipe2vtx(enum pipe_format format)
{
if (!formats[format].present)
return ~0;
return formats[format].vtx;
}
enum a3xx_tex_fmt
fd3_pipe2tex(enum pipe_format format)
{
if (!formats[format].present)
return ~0;
return formats[format].tex;
}
enum a3xx_color_fmt
fd3_pipe2color(enum pipe_format format)
{
if (!formats[format].present)
return ~0;
return formats[format].rb;
}
enum a3xx_color_swap
fd3_pipe2swap(enum pipe_format format)
{
if (!formats[format].present)
return WZYX;
return formats[format].swap;
}
enum a3xx_tex_fetchsize
fd3_pipe2fetchsize(enum pipe_format format)
{
if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
format = PIPE_FORMAT_Z32_FLOAT;
else if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_RGTC)
format = PIPE_FORMAT_R8G8B8A8_UNORM;
switch (util_format_get_blocksizebits(format) / util_format_get_blockwidth(format)) {
case 8: return TFETCH_1_BYTE;
case 16: return TFETCH_2_BYTE;
case 32: return TFETCH_4_BYTE;
case 64: return TFETCH_8_BYTE;
case 128: return TFETCH_16_BYTE;
default:
debug_printf("Unknown block size for format %s: %d\n",
util_format_name(format),
util_format_get_blocksizebits(format));
return TFETCH_DISABLE;
}
}
unsigned
fd3_pipe2nblocksx(enum pipe_format format, unsigned width)
{
if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_RGTC)
format = PIPE_FORMAT_R8G8B8A8_UNORM;
return util_format_get_nblocksx(format, width);
}
enum a3xx_color_fmt
fd3_fs_output_format(enum pipe_format format)
{
if (util_format_is_srgb(format))
return RB_R16G16B16A16_FLOAT;
switch (format) {
case PIPE_FORMAT_R16_FLOAT:
case PIPE_FORMAT_R16G16_FLOAT:
case PIPE_FORMAT_R11G11B10_FLOAT:
return RB_R16G16B16A16_FLOAT;
case PIPE_FORMAT_L8_UNORM:
return RB_R8G8B8A8_UNORM;
default:
return fd3_pipe2color(format);
}
}
static inline enum a3xx_tex_swiz
tex_swiz(unsigned swiz)
{
switch (swiz) {
default:
case PIPE_SWIZZLE_X: return A3XX_TEX_X;
case PIPE_SWIZZLE_Y: return A3XX_TEX_Y;
case PIPE_SWIZZLE_Z: return A3XX_TEX_Z;
case PIPE_SWIZZLE_W: return A3XX_TEX_W;
case PIPE_SWIZZLE_0: return A3XX_TEX_ZERO;
case PIPE_SWIZZLE_1: return A3XX_TEX_ONE;
}
}
uint32_t
fd3_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
unsigned swizzle_b, unsigned swizzle_a)
{
const struct util_format_description *desc =
util_format_description(format);
unsigned char swiz[4] = {
swizzle_r, swizzle_g, swizzle_b, swizzle_a,
}, rswiz[4];
util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
return A3XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) |
A3XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) |
A3XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) |
A3XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3]));
}