CoCalc -- v3dx_format

GitHub Repository: PojavLauncherTeam/mesa
Path: blob/21.2-virgl/src/gallium/drivers/v3d/v3dx_format_table.c
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/*
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 * Copyright © 2014-2018 Broadcom
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
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 * paragraph) shall be included in all copies or substantial portions of the
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 * Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#include "util/format/u_format.h"
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#include "v3d_context.h"
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#include "broadcom/cle/v3dx_pack.h"
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#include "broadcom/common/v3d_macros.h"
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#include "v3d_format_table.h"
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#define SWIZ(x,y,z,w) {          \
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        PIPE_SWIZZLE_##x, \
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        PIPE_SWIZZLE_##y, \
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        PIPE_SWIZZLE_##z, \
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        PIPE_SWIZZLE_##w  \
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}
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#define FORMAT(pipe, rt, tex, swiz, return_size, return_channels)       \
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        [PIPE_FORMAT_##pipe] = {                                        \
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                true,                                                   \
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                V3D_OUTPUT_IMAGE_FORMAT_##rt,                           \
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                TEXTURE_DATA_FORMAT_##tex,                              \
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                swiz,                                                   \
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                return_size,                                            \
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                return_channels,                                        \
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        }
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#define SWIZ_X001	SWIZ(X, 0, 0, 1)
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#define SWIZ_XY01	SWIZ(X, Y, 0, 1)
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#define SWIZ_XYZ1	SWIZ(X, Y, Z, 1)
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#define SWIZ_XYZW	SWIZ(X, Y, Z, W)
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#define SWIZ_YZWX	SWIZ(Y, Z, W, X)
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#define SWIZ_YZW1	SWIZ(Y, Z, W, 1)
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#define SWIZ_ZYXW	SWIZ(Z, Y, X, W)
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#define SWIZ_ZYX1	SWIZ(Z, Y, X, 1)
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#define SWIZ_XXXY	SWIZ(X, X, X, Y)
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#define SWIZ_XXX1	SWIZ(X, X, X, 1)
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#define SWIZ_XXXX	SWIZ(X, X, X, X)
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#define SWIZ_000X	SWIZ(0, 0, 0, X)
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static const struct v3d_format format_table[] = {
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        FORMAT(B8G8R8A8_UNORM,    RGBA8,        RGBA8,       SWIZ_ZYXW, 16, 0),
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        FORMAT(B8G8R8X8_UNORM,    RGBA8,        RGBA8,       SWIZ_ZYX1, 16, 0),
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        FORMAT(B8G8R8A8_SRGB,     SRGB8_ALPHA8, RGBA8,       SWIZ_ZYXW, 16, 0),
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        FORMAT(B8G8R8X8_SRGB,     SRGB8_ALPHA8, RGBA8,       SWIZ_ZYX1, 16, 0),
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        FORMAT(R8G8B8A8_UNORM,    RGBA8,        RGBA8,       SWIZ_XYZW, 16, 0),
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        FORMAT(R8G8B8X8_UNORM,    RGBA8,        RGBA8,       SWIZ_XYZ1, 16, 0),
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        FORMAT(R8G8B8A8_SRGB,     SRGB8_ALPHA8, RGBA8,       SWIZ_XYZW, 16, 0),
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        FORMAT(R8G8B8X8_SRGB,     SRGB8_ALPHA8, RGBA8,       SWIZ_XYZ1, 16, 0),
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        FORMAT(R8G8B8A8_SNORM,    NO,           RGBA8_SNORM, SWIZ_XYZW, 16, 0),
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        FORMAT(R8G8B8X8_SNORM,    NO,           RGBA8_SNORM, SWIZ_XYZ1, 16, 0),
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        FORMAT(R10G10B10A2_UNORM, RGB10_A2,     RGB10_A2,    SWIZ_XYZW, 16, 0),
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        FORMAT(R10G10B10A2_UINT,  RGB10_A2UI,   RGB10_A2UI,  SWIZ_XYZW, 16, 0),
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        FORMAT(A4B4G4R4_UNORM,    ABGR4444,     RGBA4,       SWIZ_XYZW, 16, 0),
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        FORMAT(A1B5G5R5_UNORM,    ABGR1555,     RGB5_A1,     SWIZ_XYZW, 16, 0),
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        FORMAT(X1B5G5R5_UNORM,    ABGR1555,     RGB5_A1,     SWIZ_XYZ1, 16, 0),
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        FORMAT(B5G6R5_UNORM,      BGR565,       RGB565,      SWIZ_XYZ1, 16, 0),
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        FORMAT(R8_UNORM,          R8,           R8,          SWIZ_X001, 16, 0),
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        FORMAT(R8_SNORM,          NO,           R8_SNORM,    SWIZ_X001, 16, 0),
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        FORMAT(R8G8_UNORM,        RG8,          RG8,         SWIZ_XY01, 16, 0),
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        FORMAT(R8G8_SNORM,        NO,           RG8_SNORM,   SWIZ_XY01, 16, 0),
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        FORMAT(R16_UNORM,         NO,           R16,         SWIZ_X001, 32, 1),
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        FORMAT(R16_SNORM,         NO,           R16_SNORM,   SWIZ_X001, 32, 1),
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        FORMAT(R16_FLOAT,         R16F,         R16F,        SWIZ_X001, 16, 0),
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        FORMAT(R32_FLOAT,         R32F,         R32F,        SWIZ_X001, 32, 1),
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        FORMAT(R16G16_UNORM,      NO,           RG16,        SWIZ_XY01, 32, 2),
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        FORMAT(R16G16_SNORM,      NO,           RG16_SNORM,  SWIZ_XY01, 32, 2),
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        FORMAT(R16G16_FLOAT,      RG16F,        RG16F,       SWIZ_XY01, 16, 0),
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        FORMAT(R32G32_FLOAT,      RG32F,        RG32F,       SWIZ_XY01, 32, 2),
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        FORMAT(R16G16B16A16_UNORM, NO,          RGBA16,      SWIZ_XYZW, 32, 4),
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        FORMAT(R16G16B16A16_SNORM, NO,          RGBA16_SNORM, SWIZ_XYZW, 32, 4),
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        FORMAT(R16G16B16A16_FLOAT, RGBA16F,     RGBA16F,     SWIZ_XYZW, 16, 0),
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        FORMAT(R32G32B32A32_FLOAT, RGBA32F,     RGBA32F,     SWIZ_XYZW, 32, 4),
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        /* If we don't have L/A/LA16, mesa/st will fall back to RGBA16. */
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        FORMAT(L16_UNORM,         NO,           R16,         SWIZ_XXX1, 32, 1),
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        FORMAT(L16_SNORM,         NO,           R16_SNORM,   SWIZ_XXX1, 32, 1),
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        FORMAT(I16_UNORM,         NO,           R16,         SWIZ_XXXX, 32, 1),
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        FORMAT(I16_SNORM,         NO,           R16_SNORM,   SWIZ_XXXX, 32, 1),
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        FORMAT(A16_UNORM,         NO,           R16,         SWIZ_000X, 32, 1),
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        FORMAT(A16_SNORM,         NO,           R16_SNORM,   SWIZ_000X, 32, 1),
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        FORMAT(L16A16_UNORM,      NO,           RG16,        SWIZ_XXXY, 32, 2),
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        FORMAT(L16A16_SNORM,      NO,           RG16_SNORM,  SWIZ_XXXY, 32, 2),
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        FORMAT(A8_UNORM,          NO,           R8,          SWIZ_000X, 16, 0),
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        FORMAT(L8_UNORM,          NO,           R8,          SWIZ_XXX1, 16, 0),
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        FORMAT(I8_UNORM,          NO,           R8,          SWIZ_XXXX, 16, 0),
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        FORMAT(L8A8_UNORM,        NO,           RG8,         SWIZ_XXXY, 16, 0),
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        FORMAT(R8_SINT,           R8I,          R8I,         SWIZ_X001, 16, 0),
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        FORMAT(R8_UINT,           R8UI,         R8UI,        SWIZ_X001, 16, 0),
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        FORMAT(R8G8_SINT,         RG8I,         RG8I,        SWIZ_XY01, 16, 0),
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        FORMAT(R8G8_UINT,         RG8UI,        RG8UI,       SWIZ_XY01, 16, 0),
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        FORMAT(R8G8B8A8_SINT,     RGBA8I,       RGBA8I,      SWIZ_XYZW, 16, 0),
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        FORMAT(R8G8B8A8_UINT,     RGBA8UI,      RGBA8UI,     SWIZ_XYZW, 16, 0),
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        FORMAT(R16_SINT,          R16I,         R16I,        SWIZ_X001, 16, 0),
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        FORMAT(R16_UINT,          R16UI,        R16UI,       SWIZ_X001, 16, 0),
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        FORMAT(R16G16_SINT,       RG16I,        RG16I,       SWIZ_XY01, 16, 0),
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        FORMAT(R16G16_UINT,       RG16UI,       RG16UI,      SWIZ_XY01, 16, 0),
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        FORMAT(R16G16B16A16_SINT, RGBA16I,      RGBA16I,     SWIZ_XYZW, 16, 0),
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        FORMAT(R16G16B16A16_UINT, RGBA16UI,     RGBA16UI,    SWIZ_XYZW, 16, 0),
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        FORMAT(R32_SINT,          R32I,         R32I,        SWIZ_X001, 32, 1),
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        FORMAT(R32_UINT,          R32UI,        R32UI,       SWIZ_X001, 32, 1),
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        FORMAT(R32G32_SINT,       RG32I,        RG32I,       SWIZ_XY01, 32, 2),
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        FORMAT(R32G32_UINT,       RG32UI,       RG32UI,      SWIZ_XY01, 32, 2),
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        FORMAT(R32G32B32A32_SINT, RGBA32I,      RGBA32I,     SWIZ_XYZW, 32, 4),
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        FORMAT(R32G32B32A32_UINT, RGBA32UI,     RGBA32UI,    SWIZ_XYZW, 32, 4),
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        FORMAT(A8_SINT,           R8I,          R8I,         SWIZ_000X, 16, 0),
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        FORMAT(A8_UINT,           R8UI,         R8UI,        SWIZ_000X, 16, 0),
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        FORMAT(A16_SINT,          R16I,         R16I,        SWIZ_000X, 16, 0),
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        FORMAT(A16_UINT,          R16UI,        R16UI,       SWIZ_000X, 16, 0),
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        FORMAT(A32_SINT,          R32I,         R32I,        SWIZ_000X, 32, 1),
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        FORMAT(A32_UINT,          R32UI,        R32UI,       SWIZ_000X, 32, 1),
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        FORMAT(R11G11B10_FLOAT,   R11F_G11F_B10F, R11F_G11F_B10F, SWIZ_XYZ1, 16, 0),
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        FORMAT(R9G9B9E5_FLOAT,    NO,           RGB9_E5,     SWIZ_XYZ1, 16, 0),
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#if V3D_VERSION >= 40
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        FORMAT(S8_UINT_Z24_UNORM, D24S8,        DEPTH24_X8,  SWIZ_XXXX, 32, 1),
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        FORMAT(X8Z24_UNORM,       D24S8,        DEPTH24_X8,  SWIZ_XXXX, 32, 1),
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        FORMAT(S8X24_UINT,        S8,           RGBA8UI, SWIZ_XXXX, 16, 1),
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        FORMAT(Z32_FLOAT,         D32F,         DEPTH_COMP32F, SWIZ_XXXX, 32, 1),
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        FORMAT(Z16_UNORM,         D16,          DEPTH_COMP16,SWIZ_XXXX, 32, 1),
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        /* Pretend we support this, but it'll be separate Z32F depth and S8. */
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        FORMAT(Z32_FLOAT_S8X24_UINT, D32F,      DEPTH_COMP32F, SWIZ_XXXX, 32, 1),
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        FORMAT(X32_S8X24_UINT,    S8,           R8UI,          SWIZ_XXXX, 16, 1),
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#else
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        FORMAT(S8_UINT_Z24_UNORM, ZS_DEPTH24_STENCIL8, DEPTH24_X8, SWIZ_XXXX, 32, 1),
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        FORMAT(X8Z24_UNORM,       ZS_DEPTH24_STENCIL8, DEPTH24_X8, SWIZ_XXXX, 32, 1),
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        FORMAT(S8X24_UINT,        NO,           R32F,        SWIZ_XXXX, 32, 1),
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        FORMAT(Z32_FLOAT,         ZS_DEPTH_COMPONENT32F, R32F, SWIZ_XXXX, 32, 1),
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        FORMAT(Z16_UNORM,         ZS_DEPTH_COMPONENT16,  DEPTH_COMP16, SWIZ_XXXX, 32, 1),
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        /* Pretend we support this, but it'll be separate Z32F depth and S8. */
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        FORMAT(Z32_FLOAT_S8X24_UINT, ZS_DEPTH_COMPONENT32F, R32F, SWIZ_XXXX, 32, 1),
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#endif
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        FORMAT(ETC2_RGB8,         NO,           RGB8_ETC2,   SWIZ_XYZ1, 16, 0),
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        FORMAT(ETC2_SRGB8,        NO,           RGB8_ETC2,   SWIZ_XYZ1, 16, 0),
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        FORMAT(ETC2_RGB8A1,       NO,           RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, 0),
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        FORMAT(ETC2_SRGB8A1,      NO,           RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, 0),
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        FORMAT(ETC2_RGBA8,        NO,           RGBA8_ETC2_EAC, SWIZ_XYZW, 16, 0),
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        FORMAT(ETC2_SRGBA8,       NO,           RGBA8_ETC2_EAC, SWIZ_XYZW, 16, 0),
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        FORMAT(ETC2_R11_UNORM,    NO,           R11_EAC,     SWIZ_X001, 16, 0),
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        FORMAT(ETC2_R11_SNORM,    NO,           SIGNED_R11_EAC, SWIZ_X001, 16, 0),
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        FORMAT(ETC2_RG11_UNORM,   NO,           RG11_EAC,    SWIZ_XY01, 16, 0),
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        FORMAT(ETC2_RG11_SNORM,   NO,           SIGNED_RG11_EAC, SWIZ_XY01, 16, 0),
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        FORMAT(DXT1_RGB,          NO,           BC1,         SWIZ_XYZ1, 16, 0),
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        FORMAT(DXT1_SRGB,         NO,           BC1,         SWIZ_XYZ1, 16, 0),
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        FORMAT(DXT1_RGBA,         NO,           BC1,         SWIZ_XYZW, 16, 0),
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        FORMAT(DXT1_SRGBA,        NO,           BC1,         SWIZ_XYZW, 16, 0),
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        FORMAT(DXT3_RGBA,         NO,           BC2,         SWIZ_XYZW, 16, 0),
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        FORMAT(DXT3_SRGBA,        NO,           BC2,         SWIZ_XYZW, 16, 0),
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        FORMAT(DXT5_RGBA,         NO,           BC3,         SWIZ_XYZW, 16, 0),
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        FORMAT(DXT5_SRGBA,        NO,           BC3,         SWIZ_XYZW, 16, 0),
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};
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const struct v3d_format *
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v3dX(get_format_desc)(enum pipe_format f)
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{
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        if (f < ARRAY_SIZE(format_table) && format_table[f].present)
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                return &format_table[f];
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        else
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                return NULL;
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}
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void
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v3dX(get_internal_type_bpp_for_output_format)(uint32_t format,
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                                              uint32_t *type,
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                                              uint32_t *bpp)
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{
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        switch (format) {
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        case V3D_OUTPUT_IMAGE_FORMAT_RGBA8:
205
#if V3D_VERSION < 41
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        case V3D_OUTPUT_IMAGE_FORMAT_RGBX8:
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#endif
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        case V3D_OUTPUT_IMAGE_FORMAT_RGB8:
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        case V3D_OUTPUT_IMAGE_FORMAT_RG8:
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        case V3D_OUTPUT_IMAGE_FORMAT_R8:
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        case V3D_OUTPUT_IMAGE_FORMAT_ABGR4444:
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        case V3D_OUTPUT_IMAGE_FORMAT_BGR565:
213
        case V3D_OUTPUT_IMAGE_FORMAT_ABGR1555:
214
                *type = V3D_INTERNAL_TYPE_8;
215
                *bpp = V3D_INTERNAL_BPP_32;
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                break;
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        case V3D_OUTPUT_IMAGE_FORMAT_RGBA8I:
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        case V3D_OUTPUT_IMAGE_FORMAT_RG8I:
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        case V3D_OUTPUT_IMAGE_FORMAT_R8I:
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                *type = V3D_INTERNAL_TYPE_8I;
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                *bpp = V3D_INTERNAL_BPP_32;
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                break;
224

225
        case V3D_OUTPUT_IMAGE_FORMAT_RGBA8UI:
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        case V3D_OUTPUT_IMAGE_FORMAT_RG8UI:
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        case V3D_OUTPUT_IMAGE_FORMAT_R8UI:
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                *type = V3D_INTERNAL_TYPE_8UI;
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                *bpp = V3D_INTERNAL_BPP_32;
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                break;
231

232
        case V3D_OUTPUT_IMAGE_FORMAT_SRGB8_ALPHA8:
233
        case V3D_OUTPUT_IMAGE_FORMAT_SRGB:
234
        case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2:
235
        case V3D_OUTPUT_IMAGE_FORMAT_R11F_G11F_B10F:
236
#if V3D_VERSION < 41
237
        case V3D_OUTPUT_IMAGE_FORMAT_SRGBX8:
238
#endif
239
        case V3D_OUTPUT_IMAGE_FORMAT_RGBA16F:
240
                /* Note that sRGB RTs are stored in the tile buffer at 16F,
241
                 * and the conversion to sRGB happens at tilebuffer
242
                 * load/store.
243
                 */
244
                *type = V3D_INTERNAL_TYPE_16F;
245
                *bpp = V3D_INTERNAL_BPP_64;
246
                break;
247

248
        case V3D_OUTPUT_IMAGE_FORMAT_RG16F:
249
        case V3D_OUTPUT_IMAGE_FORMAT_R16F:
250
                *type = V3D_INTERNAL_TYPE_16F;
251
                /* Use 64bpp to make sure the TLB doesn't throw away the alpha
252
                 * channel before alpha test happens.
253
                 */
254
                *bpp = V3D_INTERNAL_BPP_64;
255
                break;
256

257
        case V3D_OUTPUT_IMAGE_FORMAT_RGBA16I:
258
                *type = V3D_INTERNAL_TYPE_16I;
259
                *bpp = V3D_INTERNAL_BPP_64;
260
                break;
261
        case V3D_OUTPUT_IMAGE_FORMAT_RG16I:
262
        case V3D_OUTPUT_IMAGE_FORMAT_R16I:
263
                *type = V3D_INTERNAL_TYPE_16I;
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                *bpp = V3D_INTERNAL_BPP_32;
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                break;
266

267
        case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2UI:
268
        case V3D_OUTPUT_IMAGE_FORMAT_RGBA16UI:
269
                *type = V3D_INTERNAL_TYPE_16UI;
270
                *bpp = V3D_INTERNAL_BPP_64;
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                break;
272
        case V3D_OUTPUT_IMAGE_FORMAT_RG16UI:
273
        case V3D_OUTPUT_IMAGE_FORMAT_R16UI:
274
                *type = V3D_INTERNAL_TYPE_16UI;
275
                *bpp = V3D_INTERNAL_BPP_32;
276
                break;
277

278
        case V3D_OUTPUT_IMAGE_FORMAT_RGBA32I:
279
                *type = V3D_INTERNAL_TYPE_32I;
280
                *bpp = V3D_INTERNAL_BPP_128;
281
                break;
282
        case V3D_OUTPUT_IMAGE_FORMAT_RG32I:
283
                *type = V3D_INTERNAL_TYPE_32I;
284
                *bpp = V3D_INTERNAL_BPP_64;
285
                break;
286
        case V3D_OUTPUT_IMAGE_FORMAT_R32I:
287
                *type = V3D_INTERNAL_TYPE_32I;
288
                *bpp = V3D_INTERNAL_BPP_32;
289
                break;
290

291
        case V3D_OUTPUT_IMAGE_FORMAT_RGBA32UI:
292
                *type = V3D_INTERNAL_TYPE_32UI;
293
                *bpp = V3D_INTERNAL_BPP_128;
294
                break;
295
        case V3D_OUTPUT_IMAGE_FORMAT_RG32UI:
296
                *type = V3D_INTERNAL_TYPE_32UI;
297
                *bpp = V3D_INTERNAL_BPP_64;
298
                break;
299
        case V3D_OUTPUT_IMAGE_FORMAT_R32UI:
300
                *type = V3D_INTERNAL_TYPE_32UI;
301
                *bpp = V3D_INTERNAL_BPP_32;
302
                break;
303

304
        case V3D_OUTPUT_IMAGE_FORMAT_RGBA32F:
305
                *type = V3D_INTERNAL_TYPE_32F;
306
                *bpp = V3D_INTERNAL_BPP_128;
307
                break;
308
        case V3D_OUTPUT_IMAGE_FORMAT_RG32F:
309
                *type = V3D_INTERNAL_TYPE_32F;
310
                *bpp = V3D_INTERNAL_BPP_64;
311
                break;
312
        case V3D_OUTPUT_IMAGE_FORMAT_R32F:
313
                *type = V3D_INTERNAL_TYPE_32F;
314
                *bpp = V3D_INTERNAL_BPP_32;
315
                break;
316

317
        default:
318
                /* Provide some default values, as we'll be called at RB
319
                 * creation time, even if an RB with this format isn't
320
                 * supported.
321
                 */
322
                *type = V3D_INTERNAL_TYPE_8;
323
                *bpp = V3D_INTERNAL_BPP_32;
324
                break;
325
        }
326
}
327

328
bool
329
v3dX(tfu_supports_tex_format)(enum V3DX(Texture_Data_Formats) format,
330
                              bool for_mipmap)
331
{
332
        switch (format) {
333
        case TEXTURE_DATA_FORMAT_R8:
334
        case TEXTURE_DATA_FORMAT_R8_SNORM:
335
        case TEXTURE_DATA_FORMAT_RG8:
336
        case TEXTURE_DATA_FORMAT_RG8_SNORM:
337
        case TEXTURE_DATA_FORMAT_RGBA8:
338
        case TEXTURE_DATA_FORMAT_RGBA8_SNORM:
339
        case TEXTURE_DATA_FORMAT_RGB565:
340
        case TEXTURE_DATA_FORMAT_RGBA4:
341
        case TEXTURE_DATA_FORMAT_RGB5_A1:
342
        case TEXTURE_DATA_FORMAT_RGB10_A2:
343
        case TEXTURE_DATA_FORMAT_R16:
344
        case TEXTURE_DATA_FORMAT_R16_SNORM:
345
        case TEXTURE_DATA_FORMAT_RG16:
346
        case TEXTURE_DATA_FORMAT_RG16_SNORM:
347
        case TEXTURE_DATA_FORMAT_RGBA16:
348
        case TEXTURE_DATA_FORMAT_RGBA16_SNORM:
349
        case TEXTURE_DATA_FORMAT_R16F:
350
        case TEXTURE_DATA_FORMAT_RG16F:
351
        case TEXTURE_DATA_FORMAT_RGBA16F:
352
        case TEXTURE_DATA_FORMAT_R11F_G11F_B10F:
353
        case TEXTURE_DATA_FORMAT_R4:
354
                return true;
355
        case TEXTURE_DATA_FORMAT_RGB9_E5:
356
        case TEXTURE_DATA_FORMAT_R32F:
357
        case TEXTURE_DATA_FORMAT_RG32F:
358
        case TEXTURE_DATA_FORMAT_RGBA32F:
359
                return !for_mipmap;
360
        default:
361
                return false;
362
        }
363
}
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