/* * Copyright (C) 2016 Rob Clark * Copyright © 2018 Google, Inc. * * 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. * * Authors: * Rob Clark */ #include "pipe/p_defines.h" #include "util/u_format.h" #include "fd6_format.h" #include "freedreno_resource.h" /* Specifies the table of all the formats and their features. Also supplies * the helpers that look up various data in those tables. */ struct fd6_format { enum a6xx_vtx_fmt vtx; enum a6xx_tex_fmt tex; enum a6xx_color_fmt rb; enum a3xx_color_swap swap; boolean present; }; #define RB6_NONE ~0 /* vertex + texture */ #define VT(pipe, fmt, rbfmt, swapfmt) \ [PIPE_FORMAT_ ## pipe] = { \ .present = 1, \ .vtx = VFMT6_ ## fmt, \ .tex = TFMT6_ ## fmt, \ .rb = RB6_ ## rbfmt, \ .swap = swapfmt \ } /* texture-only */ #define _T(pipe, fmt, rbfmt, swapfmt) \ [PIPE_FORMAT_ ## pipe] = { \ .present = 1, \ .vtx = ~0, \ .tex = TFMT6_ ## fmt, \ .rb = RB6_ ## rbfmt, \ .swap = swapfmt \ } /* vertex-only */ #define V_(pipe, fmt, rbfmt, swapfmt) \ [PIPE_FORMAT_ ## pipe] = { \ .present = 1, \ .vtx = VFMT6_ ## fmt, \ .tex = ~0, \ .rb = RB6_ ## rbfmt, \ .swap = swapfmt \ } static struct fd6_format formats[PIPE_FORMAT_COUNT] = { /* for blitting, treat PIPE_FORMAT_NONE as 8bit R8: */ _T(R8_UINT, 8_UINT, R8_UINT, WZYX), /* 8-bit */ VT(R8_UNORM, 8_UNORM, R8_UNORM, WZYX), VT(R8_SNORM, 8_SNORM, R8_SNORM, 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, R16_UNORM, WZYX), VT(R16_SNORM, 16_SNORM, R16_SNORM, 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(Z16_UNORM, 16_UNORM, R16_UNORM, WZYX), _T(A16_UNORM, 16_UNORM, NONE, WZYX), _T(A16_SNORM, 16_SNORM, NONE, WZYX), _T(A16_UINT, 16_UINT, NONE, WZYX), _T(A16_SINT, 16_SINT, NONE, WZYX), _T(L16_UNORM, 16_UNORM, NONE, WZYX), _T(L16_SNORM, 16_SNORM, NONE, WZYX), _T(L16_UINT, 16_UINT, NONE, WZYX), _T(L16_SINT, 16_SINT, NONE, WZYX), _T(I16_UNORM, 16_UNORM, NONE, WZYX), _T(I16_SNORM, 16_SNORM, 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, R8G8_UINT, WZYX), VT(R8G8_SINT, 8_8_SINT, R8G8_SINT, 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(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, R16G16_UNORM, WZYX), VT(R16G16_SNORM, 16_16_SNORM, R16G16_SNORM, WZYX), VT(R16G16_UINT, 16_16_UINT, R16G16_UINT, WZYX), VT(R16G16_SINT, 16_16_SINT, R16G16_SINT, WZYX), VT(R16G16_USCALED, 16_16_UINT, NONE, WZYX), VT(R16G16_SSCALED, 16_16_SINT, NONE, WZYX), VT(R16G16_FLOAT, 16_16_FLOAT, R16G16_FLOAT, WZYX), _T(L16A16_UNORM, 16_16_UNORM, NONE, WZYX), _T(L16A16_SNORM, 16_16_SNORM, NONE, 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), VT(R10G10B10A2_UINT, 10_10_10_2_UINT, R10G10B10A2_UINT, WZYX), VT(B10G10R10A2_UINT, 10_10_10_2_UINT, R10G10B10A2_UINT, 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), VT(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX), _T(R9G9B9E5_FLOAT, 9_9_9_E5_FLOAT, NONE, WZYX), _T(Z24X8_UNORM, X8Z24_UNORM, X8Z24_UNORM, WZYX), _T(X24S8_UINT, 8_8_8_8_UINT, X8Z24_UNORM, XYZW), // XXX _T(Z24_UNORM_S8_UINT, X8Z24_UNORM, X8Z24_UNORM, WZYX), _T(Z32_FLOAT, 32_FLOAT, R32_FLOAT, WZYX), _T(Z32_FLOAT_S8X24_UINT, 32_FLOAT, R32_FLOAT, WZYX), _T(X32_S8X24_UINT, 8_UINT, R8_UINT, 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, R16G16B16A16_UNORM, WZYX), VT(R16G16B16X16_UNORM, 16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX), VT(R16G16B16A16_SNORM, 16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX), VT(R16G16B16X16_SNORM, 16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX), VT(R16G16B16A16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX), VT(R16G16B16X16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX), VT(R16G16B16A16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX), VT(R16G16B16X16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX), VT(R16G16B16A16_USCALED, 16_16_16_16_UINT, NONE, WZYX), VT(R16G16B16A16_SSCALED, 16_16_16_16_SINT, NONE, WZYX), VT(R16G16B16A16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX), VT(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 */ VT(R32G32B32_UINT, 32_32_32_UINT, NONE, WZYX), VT(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), VT(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), _T(BPTC_RGBA_UNORM, BPTC, NONE, WZYX), _T(BPTC_SRGBA, BPTC, NONE, WZYX), _T(BPTC_RGB_FLOAT, BPTC_FLOAT, NONE, WZYX), _T(BPTC_RGB_UFLOAT, BPTC_UFLOAT, NONE, WZYX), _T(RGTC1_UNORM, RGTC1_UNORM, NONE, WZYX), _T(RGTC1_SNORM, RGTC1_SNORM, NONE, WZYX), _T(RGTC2_UNORM, RGTC2_UNORM, NONE, WZYX), _T(RGTC2_SNORM, RGTC2_SNORM, NONE, WZYX), _T(LATC1_UNORM, RGTC1_UNORM, NONE, WZYX), _T(LATC1_SNORM, RGTC1_SNORM, NONE, WZYX), _T(LATC2_UNORM, RGTC2_UNORM, NONE, WZYX), _T(LATC2_SNORM, RGTC2_SNORM, NONE, WZYX), _T(ASTC_4x4, ASTC_4x4, NONE, WZYX), _T(ASTC_5x4, ASTC_5x4, NONE, WZYX), _T(ASTC_5x5, ASTC_5x5, NONE, WZYX), _T(ASTC_6x5, ASTC_6x5, NONE, WZYX), _T(ASTC_6x6, ASTC_6x6, NONE, WZYX), _T(ASTC_8x5, ASTC_8x5, NONE, WZYX), _T(ASTC_8x6, ASTC_8x6, NONE, WZYX), _T(ASTC_8x8, ASTC_8x8, NONE, WZYX), _T(ASTC_10x5, ASTC_10x5, NONE, WZYX), _T(ASTC_10x6, ASTC_10x6, NONE, WZYX), _T(ASTC_10x8, ASTC_10x8, NONE, WZYX), _T(ASTC_10x10, ASTC_10x10, NONE, WZYX), _T(ASTC_12x10, ASTC_12x10, NONE, WZYX), _T(ASTC_12x12, ASTC_12x12, NONE, WZYX), _T(ASTC_4x4_SRGB, ASTC_4x4, NONE, WZYX), _T(ASTC_5x4_SRGB, ASTC_5x4, NONE, WZYX), _T(ASTC_5x5_SRGB, ASTC_5x5, NONE, WZYX), _T(ASTC_6x5_SRGB, ASTC_6x5, NONE, WZYX), _T(ASTC_6x6_SRGB, ASTC_6x6, NONE, WZYX), _T(ASTC_8x5_SRGB, ASTC_8x5, NONE, WZYX), _T(ASTC_8x6_SRGB, ASTC_8x6, NONE, WZYX), _T(ASTC_8x8_SRGB, ASTC_8x8, NONE, WZYX), _T(ASTC_10x5_SRGB, ASTC_10x5, NONE, WZYX), _T(ASTC_10x6_SRGB, ASTC_10x6, NONE, WZYX), _T(ASTC_10x8_SRGB, ASTC_10x8, NONE, WZYX), _T(ASTC_10x10_SRGB, ASTC_10x10, NONE, WZYX), _T(ASTC_12x10_SRGB, ASTC_12x10, NONE, WZYX), _T(ASTC_12x12_SRGB, ASTC_12x12, NONE, WZYX), }; /* convert pipe format to vertex buffer format: */ enum a6xx_vtx_fmt fd6_pipe2vtx(enum pipe_format format) { if (!formats[format].present) return ~0; return formats[format].vtx; } /* convert pipe format to texture sampler format: */ enum a6xx_tex_fmt fd6_pipe2tex(enum pipe_format format) { if (!formats[format].present) return ~0; return formats[format].tex; } /* convert pipe format to MRT / copydest format used for render-target: */ enum a6xx_color_fmt fd6_pipe2color(enum pipe_format format) { if (!formats[format].present) return ~0; return formats[format].rb; } enum a3xx_color_swap fd6_pipe2swap(enum pipe_format format) { if (!formats[format].present) return WZYX; return formats[format].swap; } // XXX possibly same as a4xx.. enum a6xx_tex_fetchsize fd6_pipe2fetchsize(enum pipe_format format) { if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) format = PIPE_FORMAT_Z32_FLOAT; if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_ASTC) return TFETCH6_16_BYTE; switch (util_format_get_blocksizebits(format) / util_format_get_blockwidth(format)) { case 8: return TFETCH6_1_BYTE; case 16: return TFETCH6_2_BYTE; case 32: return TFETCH6_4_BYTE; case 64: return TFETCH6_8_BYTE; case 96: return TFETCH6_1_BYTE; /* Does this matter? */ case 128: return TFETCH6_16_BYTE; default: debug_printf("Unknown block size for format %s: %d\n", util_format_name(format), util_format_get_blocksizebits(format)); return TFETCH6_1_BYTE; } } enum a6xx_depth_format fd6_pipe2depth(enum pipe_format format) { switch (format) { case PIPE_FORMAT_Z16_UNORM: return DEPTH6_16; case PIPE_FORMAT_Z24X8_UNORM: case PIPE_FORMAT_Z24_UNORM_S8_UINT: case PIPE_FORMAT_X8Z24_UNORM: case PIPE_FORMAT_S8_UINT_Z24_UNORM: return DEPTH6_24_8; case PIPE_FORMAT_Z32_FLOAT: case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: return DEPTH6_32; default: return ~0; } } enum a6xx_tex_swiz fd6_pipe2swiz(unsigned swiz) { switch (swiz) { default: case PIPE_SWIZZLE_X: return A6XX_TEX_X; case PIPE_SWIZZLE_Y: return A6XX_TEX_Y; case PIPE_SWIZZLE_Z: return A6XX_TEX_Z; case PIPE_SWIZZLE_W: return A6XX_TEX_W; case PIPE_SWIZZLE_0: return A6XX_TEX_ZERO; case PIPE_SWIZZLE_1: return A6XX_TEX_ONE; } } void fd6_tex_swiz(enum pipe_format format, unsigned char *swiz, unsigned swizzle_r, unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a) { const struct util_format_description *desc = util_format_description(format); const unsigned char uswiz[4] = { swizzle_r, swizzle_g, swizzle_b, swizzle_a }; /* Gallium expects stencil sampler to return (s,s,s,s), so massage * the swizzle to do so. */ if (format == PIPE_FORMAT_X24S8_UINT) { const unsigned char stencil_swiz[4] = { PIPE_SWIZZLE_X, PIPE_SWIZZLE_X, PIPE_SWIZZLE_X, PIPE_SWIZZLE_X }; util_format_compose_swizzles(stencil_swiz, uswiz, swiz); } else if (fd6_pipe2swap(format) != WZYX) { /* Formats with a non-pass-through swap are permutations of RGBA * formats. We program the permutation using the swap and don't * need to compose the format swizzle with the user swizzle. */ memcpy(swiz, uswiz, sizeof(uswiz)); } else { /* Otherwise, it's an unswapped RGBA format or a format like L8 where * we need the XXX1 swizzle from the gallium format description. */ util_format_compose_swizzles(desc->swizzle, uswiz, swiz); } } /* Compute the TEX_CONST_0 value for texture state, including SWIZ/SWAP/etc: */ uint32_t fd6_tex_const_0(struct pipe_resource *prsc, unsigned level, enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a) { struct fd_resource *rsc = fd_resource(prsc); uint32_t swap, texconst0 = 0; unsigned char swiz[4]; if (util_format_is_srgb(format)) { texconst0 |= A6XX_TEX_CONST_0_SRGB; } if (rsc->tile_mode && !fd_resource_level_linear(prsc, level)) { texconst0 |= A6XX_TEX_CONST_0_TILE_MODE(rsc->tile_mode); swap = WZYX; } else { swap = fd6_pipe2swap(format); } fd6_tex_swiz(format, swiz, swizzle_r, swizzle_g, swizzle_b, swizzle_a); texconst0 |= A6XX_TEX_CONST_0_FMT(fd6_pipe2tex(format)) | A6XX_TEX_CONST_0_SAMPLES(fd_msaa_samples(prsc->nr_samples)) | A6XX_TEX_CONST_0_SWAP(swap) | A6XX_TEX_CONST_0_SWIZ_X(fd6_pipe2swiz(swiz[0])) | A6XX_TEX_CONST_0_SWIZ_Y(fd6_pipe2swiz(swiz[1])) | A6XX_TEX_CONST_0_SWIZ_Z(fd6_pipe2swiz(swiz[2])) | A6XX_TEX_CONST_0_SWIZ_W(fd6_pipe2swiz(swiz[3])); return texconst0; }