/* * Copyright © 2017 Intel Corporation * * 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 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. */ /** * @file iris_formats.c * * Converts Gallium formats (PIPE_FORMAT_*) to hardware ones (ISL_FORMAT_*). * Provides information about which formats support what features. */ #include "util/bitscan.h" #include "util/macros.h" #include "util/u_format.h" #include "iris_resource.h" #include "iris_screen.h" static enum isl_format iris_isl_format_for_pipe_format(enum pipe_format pf) { static const enum isl_format table[PIPE_FORMAT_COUNT] = { [0 ... PIPE_FORMAT_COUNT-1] = ISL_FORMAT_UNSUPPORTED, [PIPE_FORMAT_B8G8R8A8_UNORM] = ISL_FORMAT_B8G8R8A8_UNORM, [PIPE_FORMAT_B8G8R8X8_UNORM] = ISL_FORMAT_B8G8R8X8_UNORM, [PIPE_FORMAT_B5G5R5A1_UNORM] = ISL_FORMAT_B5G5R5A1_UNORM, [PIPE_FORMAT_B4G4R4A4_UNORM] = ISL_FORMAT_B4G4R4A4_UNORM, [PIPE_FORMAT_B5G6R5_UNORM] = ISL_FORMAT_B5G6R5_UNORM, [PIPE_FORMAT_R10G10B10A2_UNORM] = ISL_FORMAT_R10G10B10A2_UNORM, [PIPE_FORMAT_Z16_UNORM] = ISL_FORMAT_R16_UNORM, [PIPE_FORMAT_Z32_UNORM] = ISL_FORMAT_R32_UNORM, [PIPE_FORMAT_Z32_FLOAT] = ISL_FORMAT_R32_FLOAT, /* We translate the combined depth/stencil formats to depth only here */ [PIPE_FORMAT_Z24_UNORM_S8_UINT] = ISL_FORMAT_R24_UNORM_X8_TYPELESS, [PIPE_FORMAT_Z24X8_UNORM] = ISL_FORMAT_R24_UNORM_X8_TYPELESS, [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT] = ISL_FORMAT_R32_FLOAT, [PIPE_FORMAT_S8_UINT] = ISL_FORMAT_R8_UINT, [PIPE_FORMAT_X24S8_UINT] = ISL_FORMAT_R8_UINT, [PIPE_FORMAT_X32_S8X24_UINT] = ISL_FORMAT_R8_UINT, [PIPE_FORMAT_R64_FLOAT] = ISL_FORMAT_R64_FLOAT, [PIPE_FORMAT_R64G64_FLOAT] = ISL_FORMAT_R64G64_FLOAT, [PIPE_FORMAT_R64G64B64_FLOAT] = ISL_FORMAT_R64G64B64_FLOAT, [PIPE_FORMAT_R64G64B64A64_FLOAT] = ISL_FORMAT_R64G64B64A64_FLOAT, [PIPE_FORMAT_R32_FLOAT] = ISL_FORMAT_R32_FLOAT, [PIPE_FORMAT_R32G32_FLOAT] = ISL_FORMAT_R32G32_FLOAT, [PIPE_FORMAT_R32G32B32_FLOAT] = ISL_FORMAT_R32G32B32_FLOAT, [PIPE_FORMAT_R32G32B32A32_FLOAT] = ISL_FORMAT_R32G32B32A32_FLOAT, [PIPE_FORMAT_R32_UNORM] = ISL_FORMAT_R32_UNORM, [PIPE_FORMAT_R32G32_UNORM] = ISL_FORMAT_R32G32_UNORM, [PIPE_FORMAT_R32G32B32_UNORM] = ISL_FORMAT_R32G32B32_UNORM, [PIPE_FORMAT_R32G32B32A32_UNORM] = ISL_FORMAT_R32G32B32A32_UNORM, [PIPE_FORMAT_R32_USCALED] = ISL_FORMAT_R32_USCALED, [PIPE_FORMAT_R32G32_USCALED] = ISL_FORMAT_R32G32_USCALED, [PIPE_FORMAT_R32G32B32_USCALED] = ISL_FORMAT_R32G32B32_USCALED, [PIPE_FORMAT_R32G32B32A32_USCALED] = ISL_FORMAT_R32G32B32A32_USCALED, [PIPE_FORMAT_R32_SNORM] = ISL_FORMAT_R32_SNORM, [PIPE_FORMAT_R32G32_SNORM] = ISL_FORMAT_R32G32_SNORM, [PIPE_FORMAT_R32G32B32_SNORM] = ISL_FORMAT_R32G32B32_SNORM, [PIPE_FORMAT_R32G32B32A32_SNORM] = ISL_FORMAT_R32G32B32A32_SNORM, [PIPE_FORMAT_R32_SSCALED] = ISL_FORMAT_R32_SSCALED, [PIPE_FORMAT_R32G32_SSCALED] = ISL_FORMAT_R32G32_SSCALED, [PIPE_FORMAT_R32G32B32_SSCALED] = ISL_FORMAT_R32G32B32_SSCALED, [PIPE_FORMAT_R32G32B32A32_SSCALED] = ISL_FORMAT_R32G32B32A32_SSCALED, [PIPE_FORMAT_R16_UNORM] = ISL_FORMAT_R16_UNORM, [PIPE_FORMAT_R16G16_UNORM] = ISL_FORMAT_R16G16_UNORM, [PIPE_FORMAT_R16G16B16_UNORM] = ISL_FORMAT_R16G16B16_UNORM, [PIPE_FORMAT_R16G16B16A16_UNORM] = ISL_FORMAT_R16G16B16A16_UNORM, [PIPE_FORMAT_R16_USCALED] = ISL_FORMAT_R16_USCALED, [PIPE_FORMAT_R16G16_USCALED] = ISL_FORMAT_R16G16_USCALED, [PIPE_FORMAT_R16G16B16_USCALED] = ISL_FORMAT_R16G16B16_USCALED, [PIPE_FORMAT_R16G16B16A16_USCALED] = ISL_FORMAT_R16G16B16A16_USCALED, [PIPE_FORMAT_R16_SNORM] = ISL_FORMAT_R16_SNORM, [PIPE_FORMAT_R16G16_SNORM] = ISL_FORMAT_R16G16_SNORM, [PIPE_FORMAT_R16G16B16_SNORM] = ISL_FORMAT_R16G16B16_SNORM, [PIPE_FORMAT_R16G16B16A16_SNORM] = ISL_FORMAT_R16G16B16A16_SNORM, [PIPE_FORMAT_R16_SSCALED] = ISL_FORMAT_R16_SSCALED, [PIPE_FORMAT_R16G16_SSCALED] = ISL_FORMAT_R16G16_SSCALED, [PIPE_FORMAT_R16G16B16_SSCALED] = ISL_FORMAT_R16G16B16_SSCALED, [PIPE_FORMAT_R16G16B16A16_SSCALED] = ISL_FORMAT_R16G16B16A16_SSCALED, [PIPE_FORMAT_R8_UNORM] = ISL_FORMAT_R8_UNORM, [PIPE_FORMAT_R8G8_UNORM] = ISL_FORMAT_R8G8_UNORM, [PIPE_FORMAT_R8G8B8_UNORM] = ISL_FORMAT_R8G8B8_UNORM, [PIPE_FORMAT_R8G8B8A8_UNORM] = ISL_FORMAT_R8G8B8A8_UNORM, [PIPE_FORMAT_R8_USCALED] = ISL_FORMAT_R8_USCALED, [PIPE_FORMAT_R8G8_USCALED] = ISL_FORMAT_R8G8_USCALED, [PIPE_FORMAT_R8G8B8_USCALED] = ISL_FORMAT_R8G8B8_USCALED, [PIPE_FORMAT_R8G8B8A8_USCALED] = ISL_FORMAT_R8G8B8A8_USCALED, [PIPE_FORMAT_R8_SNORM] = ISL_FORMAT_R8_SNORM, [PIPE_FORMAT_R8G8_SNORM] = ISL_FORMAT_R8G8_SNORM, [PIPE_FORMAT_R8G8B8_SNORM] = ISL_FORMAT_R8G8B8_SNORM, [PIPE_FORMAT_R8G8B8A8_SNORM] = ISL_FORMAT_R8G8B8A8_SNORM, [PIPE_FORMAT_R8_SSCALED] = ISL_FORMAT_R8_SSCALED, [PIPE_FORMAT_R8G8_SSCALED] = ISL_FORMAT_R8G8_SSCALED, [PIPE_FORMAT_R8G8B8_SSCALED] = ISL_FORMAT_R8G8B8_SSCALED, [PIPE_FORMAT_R8G8B8A8_SSCALED] = ISL_FORMAT_R8G8B8A8_SSCALED, [PIPE_FORMAT_R32_FIXED] = ISL_FORMAT_R32_SFIXED, [PIPE_FORMAT_R32G32_FIXED] = ISL_FORMAT_R32G32_SFIXED, [PIPE_FORMAT_R32G32B32_FIXED] = ISL_FORMAT_R32G32B32_SFIXED, [PIPE_FORMAT_R32G32B32A32_FIXED] = ISL_FORMAT_R32G32B32A32_SFIXED, [PIPE_FORMAT_R16_FLOAT] = ISL_FORMAT_R16_FLOAT, [PIPE_FORMAT_R16G16_FLOAT] = ISL_FORMAT_R16G16_FLOAT, [PIPE_FORMAT_R16G16B16_FLOAT] = ISL_FORMAT_R16G16B16_FLOAT, [PIPE_FORMAT_R16G16B16A16_FLOAT] = ISL_FORMAT_R16G16B16A16_FLOAT, [PIPE_FORMAT_R8G8B8_SRGB] = ISL_FORMAT_R8G8B8_UNORM_SRGB, [PIPE_FORMAT_B8G8R8A8_SRGB] = ISL_FORMAT_B8G8R8A8_UNORM_SRGB, [PIPE_FORMAT_B8G8R8X8_SRGB] = ISL_FORMAT_B8G8R8X8_UNORM_SRGB, [PIPE_FORMAT_R8G8B8A8_SRGB] = ISL_FORMAT_R8G8B8A8_UNORM_SRGB, [PIPE_FORMAT_DXT1_RGB] = ISL_FORMAT_BC1_UNORM, [PIPE_FORMAT_DXT1_RGBA] = ISL_FORMAT_BC1_UNORM, [PIPE_FORMAT_DXT3_RGBA] = ISL_FORMAT_BC2_UNORM, [PIPE_FORMAT_DXT5_RGBA] = ISL_FORMAT_BC3_UNORM, [PIPE_FORMAT_DXT1_SRGB] = ISL_FORMAT_BC1_UNORM_SRGB, [PIPE_FORMAT_DXT1_SRGBA] = ISL_FORMAT_BC1_UNORM_SRGB, [PIPE_FORMAT_DXT3_SRGBA] = ISL_FORMAT_BC2_UNORM_SRGB, [PIPE_FORMAT_DXT5_SRGBA] = ISL_FORMAT_BC3_UNORM_SRGB, [PIPE_FORMAT_RGTC1_UNORM] = ISL_FORMAT_BC4_UNORM, [PIPE_FORMAT_RGTC1_SNORM] = ISL_FORMAT_BC4_SNORM, [PIPE_FORMAT_RGTC2_UNORM] = ISL_FORMAT_BC5_UNORM, [PIPE_FORMAT_RGTC2_SNORM] = ISL_FORMAT_BC5_SNORM, [PIPE_FORMAT_R10G10B10A2_USCALED] = ISL_FORMAT_R10G10B10A2_USCALED, [PIPE_FORMAT_R11G11B10_FLOAT] = ISL_FORMAT_R11G11B10_FLOAT, [PIPE_FORMAT_R9G9B9E5_FLOAT] = ISL_FORMAT_R9G9B9E5_SHAREDEXP, [PIPE_FORMAT_R1_UNORM] = ISL_FORMAT_R1_UNORM, [PIPE_FORMAT_R10G10B10X2_USCALED] = ISL_FORMAT_R10G10B10X2_USCALED, [PIPE_FORMAT_B10G10R10A2_UNORM] = ISL_FORMAT_B10G10R10A2_UNORM, [PIPE_FORMAT_R8G8B8X8_UNORM] = ISL_FORMAT_R8G8B8X8_UNORM, /* Just use red formats for these - they're actually renderable, * and faster to sample than the legacy L/I/A/LA formats. */ [PIPE_FORMAT_I8_UNORM] = ISL_FORMAT_R8_UNORM, [PIPE_FORMAT_I8_UINT] = ISL_FORMAT_R8_UINT, [PIPE_FORMAT_I8_SINT] = ISL_FORMAT_R8_SINT, [PIPE_FORMAT_I8_SNORM] = ISL_FORMAT_R8_SNORM, [PIPE_FORMAT_I16_UINT] = ISL_FORMAT_R16_UINT, [PIPE_FORMAT_I16_UNORM] = ISL_FORMAT_R16_UNORM, [PIPE_FORMAT_I16_SINT] = ISL_FORMAT_R16_SINT, [PIPE_FORMAT_I16_SNORM] = ISL_FORMAT_R16_SNORM, [PIPE_FORMAT_I16_FLOAT] = ISL_FORMAT_R16_FLOAT, [PIPE_FORMAT_I32_UINT] = ISL_FORMAT_R32_UINT, [PIPE_FORMAT_I32_SINT] = ISL_FORMAT_R32_SINT, [PIPE_FORMAT_I32_FLOAT] = ISL_FORMAT_R32_FLOAT, [PIPE_FORMAT_L8_UINT] = ISL_FORMAT_R8_UINT, [PIPE_FORMAT_L8_UNORM] = ISL_FORMAT_R8_UNORM, [PIPE_FORMAT_L8_SINT] = ISL_FORMAT_R8_SINT, [PIPE_FORMAT_L8_SNORM] = ISL_FORMAT_R8_SNORM, [PIPE_FORMAT_L16_UINT] = ISL_FORMAT_R16_UINT, [PIPE_FORMAT_L16_UNORM] = ISL_FORMAT_R16_UNORM, [PIPE_FORMAT_L16_SINT] = ISL_FORMAT_R16_SINT, [PIPE_FORMAT_L16_SNORM] = ISL_FORMAT_R16_SNORM, [PIPE_FORMAT_L16_FLOAT] = ISL_FORMAT_R16_FLOAT, [PIPE_FORMAT_L32_UINT] = ISL_FORMAT_R32_UINT, [PIPE_FORMAT_L32_SINT] = ISL_FORMAT_R32_SINT, [PIPE_FORMAT_L32_FLOAT] = ISL_FORMAT_R32_FLOAT, /* We also map alpha and luminance-alpha formats to red as well, * though most of these (other than A8_UNORM) will be non-renderable. */ [PIPE_FORMAT_A8_UINT] = ISL_FORMAT_R8_UINT, [PIPE_FORMAT_A8_UNORM] = ISL_FORMAT_R8_UNORM, [PIPE_FORMAT_A8_SINT] = ISL_FORMAT_R8_SINT, [PIPE_FORMAT_A8_SNORM] = ISL_FORMAT_R8_SNORM, [PIPE_FORMAT_A16_UINT] = ISL_FORMAT_R16_UINT, [PIPE_FORMAT_A16_UNORM] = ISL_FORMAT_R16_UNORM, [PIPE_FORMAT_A16_SINT] = ISL_FORMAT_R16_SINT, [PIPE_FORMAT_A16_SNORM] = ISL_FORMAT_R16_SNORM, [PIPE_FORMAT_A16_FLOAT] = ISL_FORMAT_R16_FLOAT, [PIPE_FORMAT_A32_UINT] = ISL_FORMAT_R32_UINT, [PIPE_FORMAT_A32_SINT] = ISL_FORMAT_R32_SINT, [PIPE_FORMAT_A32_FLOAT] = ISL_FORMAT_R32_FLOAT, [PIPE_FORMAT_L8A8_UINT] = ISL_FORMAT_R8G8_UINT, [PIPE_FORMAT_L8A8_UNORM] = ISL_FORMAT_R8G8_UNORM, [PIPE_FORMAT_L8A8_SINT] = ISL_FORMAT_R8G8_SINT, [PIPE_FORMAT_L8A8_SNORM] = ISL_FORMAT_R8G8_SNORM, [PIPE_FORMAT_L16A16_UINT] = ISL_FORMAT_R16G16_UINT, [PIPE_FORMAT_L16A16_UNORM] = ISL_FORMAT_R16G16_UNORM, [PIPE_FORMAT_L16A16_SINT] = ISL_FORMAT_R16G16_SINT, [PIPE_FORMAT_L16A16_SNORM] = ISL_FORMAT_R16G16_SNORM, [PIPE_FORMAT_L16A16_FLOAT] = ISL_FORMAT_R16G16_FLOAT, [PIPE_FORMAT_L32A32_UINT] = ISL_FORMAT_R32G32_UINT, [PIPE_FORMAT_L32A32_SINT] = ISL_FORMAT_R32G32_SINT, [PIPE_FORMAT_L32A32_FLOAT] = ISL_FORMAT_R32G32_FLOAT, /* Sadly, we have to use luminance[-alpha] formats for sRGB decoding. */ [PIPE_FORMAT_L8_SRGB] = ISL_FORMAT_L8_UNORM_SRGB, [PIPE_FORMAT_L8A8_SRGB] = ISL_FORMAT_L8A8_UNORM_SRGB, [PIPE_FORMAT_R10G10B10A2_SSCALED] = ISL_FORMAT_R10G10B10A2_SSCALED, [PIPE_FORMAT_R10G10B10A2_SNORM] = ISL_FORMAT_R10G10B10A2_SNORM, [PIPE_FORMAT_B10G10R10A2_USCALED] = ISL_FORMAT_B10G10R10A2_USCALED, [PIPE_FORMAT_B10G10R10A2_SSCALED] = ISL_FORMAT_B10G10R10A2_SSCALED, [PIPE_FORMAT_B10G10R10A2_SNORM] = ISL_FORMAT_B10G10R10A2_SNORM, [PIPE_FORMAT_R8_UINT] = ISL_FORMAT_R8_UINT, [PIPE_FORMAT_R8G8_UINT] = ISL_FORMAT_R8G8_UINT, [PIPE_FORMAT_R8G8B8_UINT] = ISL_FORMAT_R8G8B8_UINT, [PIPE_FORMAT_R8G8B8A8_UINT] = ISL_FORMAT_R8G8B8A8_UINT, [PIPE_FORMAT_R8_SINT] = ISL_FORMAT_R8_SINT, [PIPE_FORMAT_R8G8_SINT] = ISL_FORMAT_R8G8_SINT, [PIPE_FORMAT_R8G8B8_SINT] = ISL_FORMAT_R8G8B8_SINT, [PIPE_FORMAT_R8G8B8A8_SINT] = ISL_FORMAT_R8G8B8A8_SINT, [PIPE_FORMAT_R16_UINT] = ISL_FORMAT_R16_UINT, [PIPE_FORMAT_R16G16_UINT] = ISL_FORMAT_R16G16_UINT, [PIPE_FORMAT_R16G16B16_UINT] = ISL_FORMAT_R16G16B16_UINT, [PIPE_FORMAT_R16G16B16A16_UINT] = ISL_FORMAT_R16G16B16A16_UINT, [PIPE_FORMAT_R16_SINT] = ISL_FORMAT_R16_SINT, [PIPE_FORMAT_R16G16_SINT] = ISL_FORMAT_R16G16_SINT, [PIPE_FORMAT_R16G16B16_SINT] = ISL_FORMAT_R16G16B16_SINT, [PIPE_FORMAT_R16G16B16A16_SINT] = ISL_FORMAT_R16G16B16A16_SINT, [PIPE_FORMAT_R32_UINT] = ISL_FORMAT_R32_UINT, [PIPE_FORMAT_R32G32_UINT] = ISL_FORMAT_R32G32_UINT, [PIPE_FORMAT_R32G32B32_UINT] = ISL_FORMAT_R32G32B32_UINT, [PIPE_FORMAT_R32G32B32A32_UINT] = ISL_FORMAT_R32G32B32A32_UINT, [PIPE_FORMAT_R32_SINT] = ISL_FORMAT_R32_SINT, [PIPE_FORMAT_R32G32_SINT] = ISL_FORMAT_R32G32_SINT, [PIPE_FORMAT_R32G32B32_SINT] = ISL_FORMAT_R32G32B32_SINT, [PIPE_FORMAT_R32G32B32A32_SINT] = ISL_FORMAT_R32G32B32A32_SINT, [PIPE_FORMAT_B10G10R10A2_UINT] = ISL_FORMAT_B10G10R10A2_UINT, [PIPE_FORMAT_ETC1_RGB8] = ISL_FORMAT_ETC1_RGB8, [PIPE_FORMAT_R8G8B8X8_SRGB] = ISL_FORMAT_R8G8B8X8_UNORM_SRGB, [PIPE_FORMAT_B10G10R10X2_UNORM] = ISL_FORMAT_B10G10R10X2_UNORM, [PIPE_FORMAT_R16G16B16X16_UNORM] = ISL_FORMAT_R16G16B16X16_UNORM, [PIPE_FORMAT_R16G16B16X16_FLOAT] = ISL_FORMAT_R16G16B16X16_FLOAT, [PIPE_FORMAT_R32G32B32X32_FLOAT] = ISL_FORMAT_R32G32B32X32_FLOAT, [PIPE_FORMAT_R10G10B10A2_UINT] = ISL_FORMAT_R10G10B10A2_UINT, [PIPE_FORMAT_B5G6R5_SRGB] = ISL_FORMAT_B5G6R5_UNORM_SRGB, [PIPE_FORMAT_BPTC_RGBA_UNORM] = ISL_FORMAT_BC7_UNORM, [PIPE_FORMAT_BPTC_SRGBA] = ISL_FORMAT_BC7_UNORM_SRGB, [PIPE_FORMAT_BPTC_RGB_FLOAT] = ISL_FORMAT_BC6H_SF16, [PIPE_FORMAT_BPTC_RGB_UFLOAT] = ISL_FORMAT_BC6H_UF16, [PIPE_FORMAT_ETC2_RGB8] = ISL_FORMAT_ETC2_RGB8, [PIPE_FORMAT_ETC2_SRGB8] = ISL_FORMAT_ETC2_SRGB8, [PIPE_FORMAT_ETC2_RGB8A1] = ISL_FORMAT_ETC2_RGB8_PTA, [PIPE_FORMAT_ETC2_SRGB8A1] = ISL_FORMAT_ETC2_SRGB8_PTA, [PIPE_FORMAT_ETC2_RGBA8] = ISL_FORMAT_ETC2_EAC_RGBA8, [PIPE_FORMAT_ETC2_SRGBA8] = ISL_FORMAT_ETC2_EAC_SRGB8_A8, [PIPE_FORMAT_ETC2_R11_UNORM] = ISL_FORMAT_EAC_R11, [PIPE_FORMAT_ETC2_R11_SNORM] = ISL_FORMAT_EAC_SIGNED_R11, [PIPE_FORMAT_ETC2_RG11_UNORM] = ISL_FORMAT_EAC_RG11, [PIPE_FORMAT_ETC2_RG11_SNORM] = ISL_FORMAT_EAC_SIGNED_RG11, [PIPE_FORMAT_ASTC_4x4] = ISL_FORMAT_ASTC_LDR_2D_4X4_FLT16, [PIPE_FORMAT_ASTC_5x4] = ISL_FORMAT_ASTC_LDR_2D_5X4_FLT16, [PIPE_FORMAT_ASTC_5x5] = ISL_FORMAT_ASTC_LDR_2D_5X5_FLT16, [PIPE_FORMAT_ASTC_6x5] = ISL_FORMAT_ASTC_LDR_2D_6X5_FLT16, [PIPE_FORMAT_ASTC_6x6] = ISL_FORMAT_ASTC_LDR_2D_6X6_FLT16, [PIPE_FORMAT_ASTC_8x5] = ISL_FORMAT_ASTC_LDR_2D_8X5_FLT16, [PIPE_FORMAT_ASTC_8x6] = ISL_FORMAT_ASTC_LDR_2D_8X6_FLT16, [PIPE_FORMAT_ASTC_8x8] = ISL_FORMAT_ASTC_LDR_2D_8X8_FLT16, [PIPE_FORMAT_ASTC_10x5] = ISL_FORMAT_ASTC_LDR_2D_10X5_FLT16, [PIPE_FORMAT_ASTC_10x6] = ISL_FORMAT_ASTC_LDR_2D_10X6_FLT16, [PIPE_FORMAT_ASTC_10x8] = ISL_FORMAT_ASTC_LDR_2D_10X8_FLT16, [PIPE_FORMAT_ASTC_10x10] = ISL_FORMAT_ASTC_LDR_2D_10X10_FLT16, [PIPE_FORMAT_ASTC_12x10] = ISL_FORMAT_ASTC_LDR_2D_12X10_FLT16, [PIPE_FORMAT_ASTC_12x12] = ISL_FORMAT_ASTC_LDR_2D_12X12_FLT16, [PIPE_FORMAT_ASTC_4x4_SRGB] = ISL_FORMAT_ASTC_LDR_2D_4X4_U8SRGB, [PIPE_FORMAT_ASTC_5x4_SRGB] = ISL_FORMAT_ASTC_LDR_2D_5X4_U8SRGB, [PIPE_FORMAT_ASTC_5x5_SRGB] = ISL_FORMAT_ASTC_LDR_2D_5X5_U8SRGB, [PIPE_FORMAT_ASTC_6x5_SRGB] = ISL_FORMAT_ASTC_LDR_2D_6X5_U8SRGB, [PIPE_FORMAT_ASTC_6x6_SRGB] = ISL_FORMAT_ASTC_LDR_2D_6X6_U8SRGB, [PIPE_FORMAT_ASTC_8x5_SRGB] = ISL_FORMAT_ASTC_LDR_2D_8X5_U8SRGB, [PIPE_FORMAT_ASTC_8x6_SRGB] = ISL_FORMAT_ASTC_LDR_2D_8X6_U8SRGB, [PIPE_FORMAT_ASTC_8x8_SRGB] = ISL_FORMAT_ASTC_LDR_2D_8X8_U8SRGB, [PIPE_FORMAT_ASTC_10x5_SRGB] = ISL_FORMAT_ASTC_LDR_2D_10X5_U8SRGB, [PIPE_FORMAT_ASTC_10x6_SRGB] = ISL_FORMAT_ASTC_LDR_2D_10X6_U8SRGB, [PIPE_FORMAT_ASTC_10x8_SRGB] = ISL_FORMAT_ASTC_LDR_2D_10X8_U8SRGB, [PIPE_FORMAT_ASTC_10x10_SRGB] = ISL_FORMAT_ASTC_LDR_2D_10X10_U8SRGB, [PIPE_FORMAT_ASTC_12x10_SRGB] = ISL_FORMAT_ASTC_LDR_2D_12X10_U8SRGB, [PIPE_FORMAT_ASTC_12x12_SRGB] = ISL_FORMAT_ASTC_LDR_2D_12X12_U8SRGB, [PIPE_FORMAT_A1B5G5R5_UNORM] = ISL_FORMAT_A1B5G5R5_UNORM, }; assert(pf < PIPE_FORMAT_COUNT); return table[pf]; } struct iris_format_info iris_format_for_usage(const struct gen_device_info *devinfo, enum pipe_format pformat, isl_surf_usage_flags_t usage) { enum isl_format format = iris_isl_format_for_pipe_format(pformat); struct isl_swizzle swizzle = ISL_SWIZZLE_IDENTITY; if (!util_format_is_srgb(pformat)) { if (util_format_is_intensity(pformat)) { swizzle = ISL_SWIZZLE(RED, RED, RED, RED); } else if (util_format_is_luminance(pformat)) { swizzle = ISL_SWIZZLE(RED, RED, RED, ONE); } else if (util_format_is_luminance_alpha(pformat)) { swizzle = ISL_SWIZZLE(RED, RED, RED, GREEN); } else if (util_format_is_alpha(pformat)) { swizzle = ISL_SWIZZLE(ZERO, ZERO, ZERO, RED); } } if (pformat == PIPE_FORMAT_DXT1_RGB || pformat == PIPE_FORMAT_DXT1_SRGB) { swizzle = ISL_SWIZZLE(RED, GREEN, BLUE, ONE); } if ((usage & ISL_SURF_USAGE_RENDER_TARGET_BIT) && pformat == PIPE_FORMAT_A8_UNORM) { /* Most of the hardware A/LA formats are not renderable, except * for A8_UNORM. SURFACE_STATE's shader channel select fields * cannot be used to swap RGB and A channels when rendering (as * it could impact alpha blending), so we have to use the actual * A8_UNORM format when rendering. */ format = ISL_FORMAT_A8_UNORM; swizzle = ISL_SWIZZLE_IDENTITY; } /* We choose RGBA over RGBX for rendering the hardware doesn't support * rendering to RGBX. However, when this internal override is used on Gen9+, * fast clears don't work correctly. * * i965 fixes this by pretending to not support RGBX formats, and the higher * layers of Mesa pick the RGBA format instead. Gallium doesn't work that * way, and might choose a different format, like BGRX instead of RGBX, * which will also cause problems when sampling from a surface fast cleared * as RGBX. So we always choose RGBA instead of RGBX explicitly * here. */ if (isl_format_is_rgbx(format) && !isl_format_supports_rendering(devinfo, format)) { format = isl_format_rgbx_to_rgba(format); swizzle = ISL_SWIZZLE(RED, GREEN, BLUE, ONE); } return (struct iris_format_info) { .fmt = format, .swizzle = swizzle }; } /** * The pscreen->is_format_supported() driver hook. * * Returns true if the given format is supported for the given usage * (PIPE_BIND_*) and sample count. */ boolean iris_is_format_supported(struct pipe_screen *pscreen, enum pipe_format pformat, enum pipe_texture_target target, unsigned sample_count, unsigned storage_sample_count, unsigned usage) { struct iris_screen *screen = (struct iris_screen *) pscreen; const struct gen_device_info *devinfo = &screen->devinfo; uint32_t max_samples = devinfo->gen == 8 ? 8 : 16; // XXX: msaa max if (sample_count > max_samples || !util_is_power_of_two_or_zero(sample_count)) return false; if (pformat == PIPE_FORMAT_NONE) return true; enum isl_format format = iris_isl_format_for_pipe_format(pformat); if (format == ISL_FORMAT_UNSUPPORTED) return false; const struct isl_format_layout *fmtl = isl_format_get_layout(format); const bool is_integer = isl_format_has_int_channel(format); bool supported = true; if (sample_count > 1) supported &= isl_format_supports_multisampling(devinfo, format); if (usage & PIPE_BIND_DEPTH_STENCIL) { supported &= format == ISL_FORMAT_R32_FLOAT_X8X24_TYPELESS || format == ISL_FORMAT_R32_FLOAT || format == ISL_FORMAT_R24_UNORM_X8_TYPELESS || format == ISL_FORMAT_R16_UNORM || format == ISL_FORMAT_R8_UINT; } if (usage & PIPE_BIND_RENDER_TARGET) { /* Alpha and luminance-alpha formats other than A8_UNORM are not * renderable. For texturing, we can use R or RG formats with * shader channel selects (SCS) to swizzle the data into the correct * channels. But for render targets, the hardware prohibits using * SCS to move shader outputs between the RGB and A channels, as it * would alter what data is used for alpha blending. * * For BLORP, we can apply the swizzle in the shader. But for * general rendering, this would mean recompiling the shader, which * we'd like to avoid doing. So we mark these formats non-renderable. * * We do support A8_UNORM as it's required and is renderable. */ if (pformat != PIPE_FORMAT_A8_UNORM && (util_format_is_alpha(pformat) || util_format_is_luminance_alpha(pformat))) supported = false; enum isl_format rt_format = format; if (isl_format_is_rgbx(format) && !isl_format_supports_rendering(devinfo, format)) rt_format = isl_format_rgbx_to_rgba(format); supported &= isl_format_supports_rendering(devinfo, rt_format); if (!is_integer) supported &= isl_format_supports_alpha_blending(devinfo, rt_format); } if (usage & PIPE_BIND_SHADER_IMAGE) { // XXX: allow untyped reads supported &= isl_format_supports_typed_reads(devinfo, format) && isl_format_supports_typed_writes(devinfo, format); } if (usage & PIPE_BIND_SAMPLER_VIEW) { supported &= isl_format_supports_sampling(devinfo, format); if (!is_integer) supported &= isl_format_supports_filtering(devinfo, format); /* Don't advertise 3-component RGB formats. This ensures that they * are renderable from an API perspective since the state tracker will * fall back to RGBA or RGBX, which are renderable. We want to render * internally for copies and blits, even if the application doesn't. * * We do need to advertise 32-bit RGB for texture buffers though. */ supported &= fmtl->bpb != 24 && fmtl->bpb != 48 && (fmtl->bpb != 96 || target == PIPE_BUFFER); } if (usage & PIPE_BIND_VERTEX_BUFFER) supported &= isl_format_supports_vertex_fetch(devinfo, format); if (usage & PIPE_BIND_INDEX_BUFFER) { supported &= format == ISL_FORMAT_R8_UINT || format == ISL_FORMAT_R16_UINT || format == ISL_FORMAT_R32_UINT; } if (usage & PIPE_BIND_CONSTANT_BUFFER) { // XXX: } if (usage & PIPE_BIND_STREAM_OUTPUT) { // XXX: } if (usage & PIPE_BIND_CURSOR) { // XXX: } if (usage & PIPE_BIND_CUSTOM) { // XXX: } if (usage & PIPE_BIND_SHADER_BUFFER) { // XXX: } if (usage & PIPE_BIND_COMPUTE_RESOURCE) { // XXX: } if (usage & PIPE_BIND_COMMAND_ARGS_BUFFER) { // XXX: } if (usage & PIPE_BIND_QUERY_BUFFER) { // XXX: } return supported; }