/* * Copyright (C) 2013 Rob Clark * * 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); } /* we need to special case a bit the depth/stencil restore, because we are * using the texture sampler to blit into the depth/stencil buffer, *not* * into a color buffer. Otherwise fd3_tex_swiz() will do the wrong thing, * as it is assuming that you are sampling into normal render target.. */ enum pipe_format fd3_gmem_restore_format(enum pipe_format format) { switch (format) { case PIPE_FORMAT_Z24X8_UNORM: case PIPE_FORMAT_Z24_UNORM_S8_UINT: return PIPE_FORMAT_R8G8B8A8_UNORM; case PIPE_FORMAT_Z16_UNORM: return PIPE_FORMAT_R8G8_UNORM; case PIPE_FORMAT_S8_UINT: return PIPE_FORMAT_R8_UNORM; default: return format; } } 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])); }