diff options
Diffstat (limited to 'lib/mesa/src/intel/isl/isl_format.c')
| -rw-r--r-- | lib/mesa/src/intel/isl/isl_format.c | 608 |
1 files changed, 608 insertions, 0 deletions
diff --git a/lib/mesa/src/intel/isl/isl_format.c b/lib/mesa/src/intel/isl/isl_format.c new file mode 100644 index 000000000..daf2d8134 --- /dev/null +++ b/lib/mesa/src/intel/isl/isl_format.c @@ -0,0 +1,608 @@ +/* + * Copyright 2015 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 (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 <assert.h> + +#include "isl.h" +#include "common/gen_device_info.h" + +struct surface_format_info { + bool exists; + uint8_t sampling; + uint8_t filtering; + uint8_t shadow_compare; + uint8_t chroma_key; + uint8_t render_target; + uint8_t alpha_blend; + uint8_t input_vb; + uint8_t streamed_output_vb; + uint8_t color_processing; + uint8_t lossless_compression; +}; + +/* This macro allows us to write the table almost as it appears in the PRM, + * while restructuring it to turn it into the C code we want. + */ +#define SF(sampl, filt, shad, ck, rt, ab, vb, so, color, ccs_e, sf) \ + [ISL_FORMAT_##sf] = { true, sampl, filt, shad, ck, rt, ab, vb, so, color, ccs_e}, + +#define Y 0 +#define x 255 +/** + * This is the table of support for surface (texture, renderbuffer, and vertex + * buffer, but not depthbuffer) formats across the various hardware generations. + * + * The table is formatted to match the documentation, except that the docs have + * this ridiculous mapping of Y[*+~^#&] for "supported on DevWhatever". To put + * it in our table, here's the mapping: + * + * Y*: 45 + * Y+: 45 (g45/gm45) + * Y~: 50 (gen5) + * Y^: 60 (gen6) + * Y#: 70 (gen7) + * + * The abbreviations in the header below are: + * smpl - Sampling Engine + * filt - Sampling Engine Filtering + * shad - Sampling Engine Shadow Map + * CK - Sampling Engine Chroma Key + * RT - Render Target + * AB - Alpha Blend Render Target + * VB - Input Vertex Buffer + * SO - Steamed Output Vertex Buffers (transform feedback) + * color - Color Processing + * ccs_e - Lossless Compression Support (gen9+ only) + * sf - Surface Format + * + * See page 88 of the Sandybridge PRM VOL4_Part1 PDF. + * + * As of Ivybridge, the columns are no longer in that table and the + * information can be found spread across: + * + * - VOL2_Part1 section 2.5.11 Format Conversion (vertex fetch). + * - VOL4_Part1 section 2.12.2.1.2 Sampler Output Channel Mapping. + * - VOL4_Part1 section 3.9.11 Render Target Write. + * - Render Target Surface Types [SKL+] + */ +static const struct surface_format_info format_info[] = { +/* smpl filt shad CK RT AB VB SO color ccs_e */ + SF( Y, 50, x, x, Y, Y, Y, Y, x, 90, R32G32B32A32_FLOAT) + SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32G32B32A32_SINT) + SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32G32B32A32_UINT) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32A32_UNORM) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32A32_SNORM) + SF( x, x, x, x, x, x, Y, x, x, x, R64G64_FLOAT) + SF( Y, 50, x, x, x, x, x, x, x, x, R32G32B32X32_FLOAT) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32A32_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32A32_USCALED) + SF( x, x, x, x, x, x, 75, x, x, x, R32G32B32A32_SFIXED) + SF( x, x, x, x, x, x, x, x, x, x, R64G64_PASSTHRU) + SF( Y, 50, x, x, x, x, Y, Y, x, x, R32G32B32_FLOAT) + SF( Y, x, x, x, x, x, Y, Y, x, x, R32G32B32_SINT) + SF( Y, x, x, x, x, x, Y, Y, x, x, R32G32B32_UINT) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32_UNORM) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32_SNORM) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32_USCALED) + SF( x, x, x, x, x, x, 75, x, x, x, R32G32B32_SFIXED) + SF( Y, Y, x, x, Y, 45, Y, x, 60, 90, R16G16B16A16_UNORM) + SF( Y, Y, x, x, Y, 60, Y, x, x, 90, R16G16B16A16_SNORM) + SF( Y, x, x, x, Y, x, Y, x, x, 90, R16G16B16A16_SINT) + SF( Y, x, x, x, Y, x, Y, x, x, 90, R16G16B16A16_UINT) + SF( Y, Y, x, x, Y, Y, Y, x, x, 90, R16G16B16A16_FLOAT) + SF( Y, 50, x, x, Y, Y, Y, Y, x, 90, R32G32_FLOAT) + SF( Y, 70, x, x, Y, Y, Y, Y, x, x, R32G32_FLOAT_LD) + SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32G32_SINT) + SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32G32_UINT) + SF( Y, 50, Y, x, x, x, x, x, x, x, R32_FLOAT_X8X24_TYPELESS) + SF( Y, x, x, x, x, x, x, x, x, x, X32_TYPELESS_G8X24_UINT) + SF( Y, 50, x, x, x, x, x, x, x, x, L32A32_FLOAT) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32_UNORM) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32_SNORM) + SF( x, x, x, x, x, x, Y, x, x, x, R64_FLOAT) + SF( Y, Y, x, x, x, x, x, x, x, x, R16G16B16X16_UNORM) + SF( Y, Y, x, x, x, x, x, x, x, 90, R16G16B16X16_FLOAT) + SF( Y, 50, x, x, x, x, x, x, x, x, A32X32_FLOAT) + SF( Y, 50, x, x, x, x, x, x, x, x, L32X32_FLOAT) + SF( Y, 50, x, x, x, x, x, x, x, x, I32X32_FLOAT) + SF( x, x, x, x, x, x, Y, x, x, x, R16G16B16A16_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R16G16B16A16_USCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R32G32_USCALED) + SF( x, x, x, x, x, x, 75, x, x, x, R32G32_SFIXED) + SF( x, x, x, x, x, x, x, x, x, x, R64_PASSTHRU) + SF( Y, Y, x, Y, Y, Y, Y, x, 60, 90, B8G8R8A8_UNORM) + SF( Y, Y, x, x, Y, Y, x, x, x, x, B8G8R8A8_UNORM_SRGB) +/* smpl filt shad CK RT AB VB SO color ccs_e */ + SF( Y, Y, x, x, Y, Y, Y, x, 60, x, R10G10B10A2_UNORM) + SF( Y, Y, x, x, x, x, x, x, 60, x, R10G10B10A2_UNORM_SRGB) + SF( Y, x, x, x, Y, x, Y, x, x, x, R10G10B10A2_UINT) + SF( Y, Y, x, x, x, x, Y, x, x, x, R10G10B10_SNORM_A2_UNORM) + SF( Y, Y, x, x, Y, Y, Y, x, 60, 90, R8G8B8A8_UNORM) + SF( Y, Y, x, x, Y, Y, x, x, 60, x, R8G8B8A8_UNORM_SRGB) + SF( Y, Y, x, x, Y, 60, Y, x, x, 90, R8G8B8A8_SNORM) + SF( Y, x, x, x, Y, x, Y, x, x, 90, R8G8B8A8_SINT) + SF( Y, x, x, x, Y, x, Y, x, x, 90, R8G8B8A8_UINT) + SF( Y, Y, x, x, Y, 45, Y, x, x, 90, R16G16_UNORM) + SF( Y, Y, x, x, Y, 60, Y, x, x, 90, R16G16_SNORM) + SF( Y, x, x, x, Y, x, Y, x, x, 90, R16G16_SINT) + SF( Y, x, x, x, Y, x, Y, x, x, 90, R16G16_UINT) + SF( Y, Y, x, x, Y, Y, Y, x, x, 90, R16G16_FLOAT) + SF( Y, Y, x, x, Y, Y, 75, x, 60, x, B10G10R10A2_UNORM) + SF( Y, Y, x, x, Y, Y, x, x, 60, x, B10G10R10A2_UNORM_SRGB) + SF( Y, Y, x, x, Y, Y, Y, x, x, x, R11G11B10_FLOAT) + SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32_SINT) + SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32_UINT) + SF( Y, 50, Y, x, Y, Y, Y, Y, x, 90, R32_FLOAT) + SF( Y, 50, Y, x, x, x, x, x, x, x, R24_UNORM_X8_TYPELESS) + SF( Y, x, x, x, x, x, x, x, x, x, X24_TYPELESS_G8_UINT) + SF( Y, Y, x, x, x, x, x, x, x, x, L16A16_UNORM) + SF( Y, 50, Y, x, x, x, x, x, x, x, I24X8_UNORM) + SF( Y, 50, Y, x, x, x, x, x, x, x, L24X8_UNORM) + SF( Y, 50, Y, x, x, x, x, x, x, x, A24X8_UNORM) + SF( Y, 50, Y, x, x, x, x, x, x, x, I32_FLOAT) + SF( Y, 50, Y, x, x, x, x, x, x, x, L32_FLOAT) + SF( Y, 50, Y, x, x, x, x, x, x, x, A32_FLOAT) + SF( Y, Y, x, Y, 80, 80, x, x, 60, 90, B8G8R8X8_UNORM) + SF( Y, Y, x, x, 80, 80, x, x, x, x, B8G8R8X8_UNORM_SRGB) + SF( Y, Y, x, x, x, x, x, x, x, x, R8G8B8X8_UNORM) + SF( Y, Y, x, x, x, x, x, x, x, x, R8G8B8X8_UNORM_SRGB) + SF( Y, Y, x, x, x, x, x, x, x, x, R9G9B9E5_SHAREDEXP) + SF( Y, Y, x, x, x, x, x, x, x, x, B10G10R10X2_UNORM) + SF( Y, Y, x, x, x, x, x, x, x, x, L16A16_FLOAT) + SF( x, x, x, x, x, x, Y, x, x, x, R32_UNORM) + SF( x, x, x, x, x, x, Y, x, x, x, R32_SNORM) +/* smpl filt shad CK RT AB VB SO color ccs_e */ + SF( x, x, x, x, x, x, Y, x, x, x, R10G10B10X2_USCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R8G8B8A8_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R8G8B8A8_USCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R16G16_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R16G16_USCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R32_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R32_USCALED) + SF( Y, Y, x, Y, Y, Y, x, x, x, x, B5G6R5_UNORM) + SF( Y, Y, x, x, Y, Y, x, x, x, x, B5G6R5_UNORM_SRGB) + SF( Y, Y, x, Y, Y, Y, x, x, x, x, B5G5R5A1_UNORM) + SF( Y, Y, x, x, Y, Y, x, x, x, x, B5G5R5A1_UNORM_SRGB) + SF( Y, Y, x, Y, Y, Y, x, x, x, x, B4G4R4A4_UNORM) + SF( Y, Y, x, x, Y, Y, x, x, x, x, B4G4R4A4_UNORM_SRGB) + SF( Y, Y, x, x, Y, Y, Y, x, x, x, R8G8_UNORM) + SF( Y, Y, x, Y, Y, 60, Y, x, x, x, R8G8_SNORM) + SF( Y, x, x, x, Y, x, Y, x, x, x, R8G8_SINT) + SF( Y, x, x, x, Y, x, Y, x, x, x, R8G8_UINT) + SF( Y, Y, Y, x, Y, 45, Y, x, 70, x, R16_UNORM) + SF( Y, Y, x, x, Y, 60, Y, x, x, x, R16_SNORM) + SF( Y, x, x, x, Y, x, Y, x, x, x, R16_SINT) + SF( Y, x, x, x, Y, x, Y, x, x, x, R16_UINT) + SF( Y, Y, x, x, Y, Y, Y, x, x, x, R16_FLOAT) + SF(50, 50, x, x, x, x, x, x, x, x, A8P8_UNORM_PALETTE0) + SF(50, 50, x, x, x, x, x, x, x, x, A8P8_UNORM_PALETTE1) + SF( Y, Y, Y, x, x, x, x, x, x, x, I16_UNORM) + SF( Y, Y, Y, x, x, x, x, x, x, x, L16_UNORM) + SF( Y, Y, Y, x, x, x, x, x, x, x, A16_UNORM) + SF( Y, Y, x, Y, x, x, x, x, x, x, L8A8_UNORM) + SF( Y, Y, Y, x, x, x, x, x, x, x, I16_FLOAT) + SF( Y, Y, Y, x, x, x, x, x, x, x, L16_FLOAT) + SF( Y, Y, Y, x, x, x, x, x, x, x, A16_FLOAT) + SF(45, 45, x, x, x, x, x, x, x, x, L8A8_UNORM_SRGB) + SF( Y, Y, x, Y, x, x, x, x, x, x, R5G5_SNORM_B6_UNORM) + SF( x, x, x, x, Y, Y, x, x, x, x, B5G5R5X1_UNORM) + SF( x, x, x, x, Y, Y, x, x, x, x, B5G5R5X1_UNORM_SRGB) + SF( x, x, x, x, x, x, Y, x, x, x, R8G8_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R8G8_USCALED) +/* smpl filt shad CK RT AB VB SO color ccs_e */ + SF( x, x, x, x, x, x, Y, x, x, x, R16_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R16_USCALED) + SF(50, 50, x, x, x, x, x, x, x, x, P8A8_UNORM_PALETTE0) + SF(50, 50, x, x, x, x, x, x, x, x, P8A8_UNORM_PALETTE1) + SF( x, x, x, x, x, x, x, x, x, x, A1B5G5R5_UNORM) + SF(90, 90, x, x, 90, x, x, x, x, x, A4B4G4R4_UNORM) + SF(90, x, x, x, x, x, x, x, x, x, L8A8_UINT) + SF(90, x, x, x, x, x, x, x, x, x, L8A8_SINT) + SF( Y, Y, x, 45, Y, Y, Y, x, x, x, R8_UNORM) + SF( Y, Y, x, x, Y, 60, Y, x, x, x, R8_SNORM) + SF( Y, x, x, x, Y, x, Y, x, x, x, R8_SINT) + SF( Y, x, x, x, Y, x, Y, x, x, x, R8_UINT) + SF( Y, Y, x, Y, Y, Y, x, x, x, x, A8_UNORM) + SF( Y, Y, x, x, x, x, x, x, x, x, I8_UNORM) + SF( Y, Y, x, Y, x, x, x, x, x, x, L8_UNORM) + SF( Y, Y, x, x, x, x, x, x, x, x, P4A4_UNORM_PALETTE0) + SF( Y, Y, x, x, x, x, x, x, x, x, A4P4_UNORM_PALETTE0) + SF( x, x, x, x, x, x, Y, x, x, x, R8_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R8_USCALED) + SF(45, 45, x, x, x, x, x, x, x, x, P8_UNORM_PALETTE0) + SF(45, 45, x, x, x, x, x, x, x, x, L8_UNORM_SRGB) + SF(45, 45, x, x, x, x, x, x, x, x, P8_UNORM_PALETTE1) + SF(45, 45, x, x, x, x, x, x, x, x, P4A4_UNORM_PALETTE1) + SF(45, 45, x, x, x, x, x, x, x, x, A4P4_UNORM_PALETTE1) + SF( x, x, x, x, x, x, x, x, x, x, Y8_UNORM) + SF(90, x, x, x, x, x, x, x, x, x, L8_UINT) + SF(90, x, x, x, x, x, x, x, x, x, L8_SINT) + SF(90, x, x, x, x, x, x, x, x, x, I8_UINT) + SF(90, x, x, x, x, x, x, x, x, x, I8_SINT) + SF(45, 45, x, x, x, x, x, x, x, x, DXT1_RGB_SRGB) + SF( Y, Y, x, x, x, x, x, x, x, x, R1_UNORM) + SF( Y, Y, x, Y, Y, x, x, x, 60, x, YCRCB_NORMAL) + SF( Y, Y, x, Y, Y, x, x, x, 60, x, YCRCB_SWAPUVY) + SF(45, 45, x, x, x, x, x, x, x, x, P2_UNORM_PALETTE0) + SF(45, 45, x, x, x, x, x, x, x, x, P2_UNORM_PALETTE1) + SF( Y, Y, x, Y, x, x, x, x, x, x, BC1_UNORM) + SF( Y, Y, x, Y, x, x, x, x, x, x, BC2_UNORM) + SF( Y, Y, x, Y, x, x, x, x, x, x, BC3_UNORM) + SF( Y, Y, x, x, x, x, x, x, x, x, BC4_UNORM) + SF( Y, Y, x, x, x, x, x, x, x, x, BC5_UNORM) + SF( Y, Y, x, x, x, x, x, x, x, x, BC1_UNORM_SRGB) + SF( Y, Y, x, x, x, x, x, x, x, x, BC2_UNORM_SRGB) + SF( Y, Y, x, x, x, x, x, x, x, x, BC3_UNORM_SRGB) + SF( Y, x, x, x, x, x, x, x, x, x, MONO8) + SF( Y, Y, x, x, Y, x, x, x, 60, x, YCRCB_SWAPUV) + SF( Y, Y, x, x, Y, x, x, x, 60, x, YCRCB_SWAPY) + SF( Y, Y, x, x, x, x, x, x, x, x, DXT1_RGB) +/* smpl filt shad CK RT AB VB SO color ccs_e */ + SF( Y, Y, x, x, x, x, x, x, x, x, FXT1) + SF(75, 75, x, x, x, x, Y, x, x, x, R8G8B8_UNORM) + SF(75, 75, x, x, x, x, Y, x, x, x, R8G8B8_SNORM) + SF( x, x, x, x, x, x, Y, x, x, x, R8G8B8_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R8G8B8_USCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R64G64B64A64_FLOAT) + SF( x, x, x, x, x, x, Y, x, x, x, R64G64B64_FLOAT) + SF( Y, Y, x, x, x, x, x, x, x, x, BC4_SNORM) + SF( Y, Y, x, x, x, x, x, x, x, x, BC5_SNORM) + SF(50, 50, x, x, x, x, 60, x, x, x, R16G16B16_FLOAT) + SF(75, 75, x, x, x, x, Y, x, x, x, R16G16B16_UNORM) + SF(75, 75, x, x, x, x, Y, x, x, x, R16G16B16_SNORM) + SF( x, x, x, x, x, x, Y, x, x, x, R16G16B16_SSCALED) + SF( x, x, x, x, x, x, Y, x, x, x, R16G16B16_USCALED) + SF(70, 70, x, x, x, x, x, x, x, x, BC6H_SF16) + SF(70, 70, x, x, x, x, x, x, x, x, BC7_UNORM) + SF(70, 70, x, x, x, x, x, x, x, x, BC7_UNORM_SRGB) + SF(70, 70, x, x, x, x, x, x, x, x, BC6H_UF16) + SF( x, x, x, x, x, x, x, x, x, x, PLANAR_420_8) + SF(75, 75, x, x, x, x, x, x, x, x, R8G8B8_UNORM_SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ETC1_RGB8) + SF(80, 80, x, x, x, x, x, x, x, x, ETC2_RGB8) + SF(80, 80, x, x, x, x, x, x, x, x, EAC_R11) + SF(80, 80, x, x, x, x, x, x, x, x, EAC_RG11) + SF(80, 80, x, x, x, x, x, x, x, x, EAC_SIGNED_R11) + SF(80, 80, x, x, x, x, x, x, x, x, EAC_SIGNED_RG11) + SF(80, 80, x, x, x, x, x, x, x, x, ETC2_SRGB8) + SF(90, x, x, x, x, x, 75, x, x, x, R16G16B16_UINT) + SF(90, x, x, x, x, x, 75, x, x, x, R16G16B16_SINT) + SF( x, x, x, x, x, x, 75, x, x, x, R32_SFIXED) + SF( x, x, x, x, x, x, 75, x, x, x, R10G10B10A2_SNORM) + SF( x, x, x, x, x, x, 75, x, x, x, R10G10B10A2_USCALED) + SF( x, x, x, x, x, x, 75, x, x, x, R10G10B10A2_SSCALED) + SF( x, x, x, x, x, x, 75, x, x, x, R10G10B10A2_SINT) + SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_SNORM) + SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_USCALED) + SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_SSCALED) + SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_UINT) + SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_SINT) + SF( x, x, x, x, x, x, 80, x, x, x, R64G64B64A64_PASSTHRU) + SF( x, x, x, x, x, x, 80, x, x, x, R64G64B64_PASSTHRU) + SF(80, 80, x, x, x, x, x, x, x, x, ETC2_RGB8_PTA) + SF(80, 80, x, x, x, x, x, x, x, x, ETC2_SRGB8_PTA) + SF(80, 80, x, x, x, x, x, x, x, x, ETC2_EAC_RGBA8) + SF(80, 80, x, x, x, x, x, x, x, x, ETC2_EAC_SRGB8_A8) + SF(90, x, x, x, x, x, 75, x, x, x, R8G8B8_UINT) + SF(90, x, x, x, x, x, 75, x, x, x, R8G8B8_SINT) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_4X4_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X4_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X5_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X5_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X6_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X5_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X6_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X8_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X5_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X6_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X8_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X10_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X10_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X12_FLT16) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_4X4_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X4_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X5_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X5_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X6_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X5_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X6_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X8_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X5_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X6_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X8_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X10_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X10_U8SRGB) + SF(80, 80, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X12_U8SRGB) +}; +#undef x +#undef Y + +static unsigned +format_gen(const struct gen_device_info *devinfo) +{ + return devinfo->gen * 10 + (devinfo->is_g4x || devinfo->is_haswell) * 5; +} + +bool +isl_format_supports_rendering(const struct gen_device_info *devinfo, + enum isl_format format) +{ + if (!format_info[format].exists) + return false; + + return format_gen(devinfo) >= format_info[format].render_target; +} + +bool +isl_format_supports_alpha_blending(const struct gen_device_info *devinfo, + enum isl_format format) +{ + if (!format_info[format].exists) + return false; + + return format_gen(devinfo) >= format_info[format].alpha_blend; +} + +bool +isl_format_supports_sampling(const struct gen_device_info *devinfo, + enum isl_format format) +{ + if (!format_info[format].exists) + return false; + + if (devinfo->is_baytrail) { + const struct isl_format_layout *fmtl = isl_format_get_layout(format); + /* Support for ETC1 and ETC2 exists on Bay Trail even though big-core + * GPUs didn't get it until Broadwell. + */ + if (fmtl->txc == ISL_TXC_ETC1 || fmtl->txc == ISL_TXC_ETC2) + return true; + } + + return format_gen(devinfo) >= format_info[format].sampling; +} + +bool +isl_format_supports_filtering(const struct gen_device_info *devinfo, + enum isl_format format) +{ + if (!format_info[format].exists) + return false; + + if (devinfo->is_baytrail) { + const struct isl_format_layout *fmtl = isl_format_get_layout(format); + /* Support for ETC1 and ETC2 exists on Bay Trail even though big-core + * GPUs didn't get it until Broadwell. + */ + if (fmtl->txc == ISL_TXC_ETC1 || fmtl->txc == ISL_TXC_ETC2) + return true; + } + + return format_gen(devinfo) >= format_info[format].filtering; +} + +bool +isl_format_supports_vertex_fetch(const struct gen_device_info *devinfo, + enum isl_format format) +{ + if (!format_info[format].exists) + return false; + + /* For vertex fetch, Bay Trail supports the same set of formats as Haswell + * but is a superset of Ivy Bridge. + */ + if (devinfo->is_baytrail) + return 75 >= format_info[format].input_vb; + + return format_gen(devinfo) >= format_info[format].input_vb; +} + +bool +isl_format_supports_lossless_compression(const struct gen_device_info *devinfo, + enum isl_format format) +{ + if (!format_info[format].exists) + return false; + + return format_gen(devinfo) >= format_info[format].lossless_compression; +} + +bool +isl_format_supports_multisampling(const struct gen_device_info *devinfo, + enum isl_format format) +{ + /* From the Sandybridge PRM, Volume 4 Part 1 p72, SURFACE_STATE, Surface + * Format: + * + * If Number of Multisamples is set to a value other than + * MULTISAMPLECOUNT_1, this field cannot be set to the following + * formats: + * + * - any format with greater than 64 bits per element + * - any compressed texture format (BC*) + * - any YCRCB* format + * + * The restriction on the format's size is removed on Broadwell. Also, + * there is an exception for HiZ which we treat as a compressed format and + * is allowed to be multisampled on Broadwell and earlier. + */ + if (format == ISL_FORMAT_HIZ) { + /* On SKL+, HiZ is always single-sampled even when the primary surface + * is multisampled. See also isl_surf_get_hiz_surf(). + */ + return devinfo->gen <= 8; + } else if (devinfo->gen < 8 && isl_format_get_layout(format)->bpb > 64) { + return false; + } else if (isl_format_is_compressed(format)) { + return false; + } else if (isl_format_is_yuv(format)) { + return false; + } else { + return true; + } +} + +static inline bool +isl_format_has_channel_type(enum isl_format fmt, enum isl_base_type type) +{ + const struct isl_format_layout *fmtl = isl_format_get_layout(fmt); + + return fmtl->channels.r.type == type || + fmtl->channels.g.type == type || + fmtl->channels.b.type == type || + fmtl->channels.a.type == type || + fmtl->channels.l.type == type || + fmtl->channels.i.type == type || + fmtl->channels.p.type == type; +} + +bool +isl_format_has_unorm_channel(enum isl_format fmt) +{ + return isl_format_has_channel_type(fmt, ISL_UNORM); +} + +bool +isl_format_has_snorm_channel(enum isl_format fmt) +{ + return isl_format_has_channel_type(fmt, ISL_SNORM); +} + +bool +isl_format_has_ufloat_channel(enum isl_format fmt) +{ + return isl_format_has_channel_type(fmt, ISL_UFLOAT); +} + +bool +isl_format_has_sfloat_channel(enum isl_format fmt) +{ + return isl_format_has_channel_type(fmt, ISL_SFLOAT); +} + +bool +isl_format_has_uint_channel(enum isl_format fmt) +{ + return isl_format_has_channel_type(fmt, ISL_UINT); +} + +bool +isl_format_has_sint_channel(enum isl_format fmt) +{ + return isl_format_has_channel_type(fmt, ISL_SINT); +} + +unsigned +isl_format_get_num_channels(enum isl_format fmt) +{ + const struct isl_format_layout *fmtl = isl_format_get_layout(fmt); + + assert(fmtl->channels.p.bits == 0); + + return (fmtl->channels.r.bits > 0) + + (fmtl->channels.g.bits > 0) + + (fmtl->channels.b.bits > 0) + + (fmtl->channels.a.bits > 0) + + (fmtl->channels.l.bits > 0) + + (fmtl->channels.i.bits > 0); +} + +uint32_t +isl_format_get_depth_format(enum isl_format fmt, bool has_stencil) +{ + switch (fmt) { + default: + unreachable("bad isl depth format"); + case ISL_FORMAT_R32_FLOAT_X8X24_TYPELESS: + assert(has_stencil); + return 0; /* D32_FLOAT_S8X24_UINT */ + case ISL_FORMAT_R32_FLOAT: + assert(!has_stencil); + return 1; /* D32_FLOAT */ + case ISL_FORMAT_R24_UNORM_X8_TYPELESS: + if (has_stencil) { + return 2; /* D24_UNORM_S8_UINT */ + } else { + return 3; /* D24_UNORM_X8_UINT */ + } + case ISL_FORMAT_R16_UNORM: + assert(!has_stencil); + return 5; /* D16_UNORM */ + } +} + +enum isl_format +isl_format_rgb_to_rgba(enum isl_format rgb) +{ + assert(isl_format_is_rgb(rgb)); + + switch (rgb) { + case ISL_FORMAT_R32G32B32_FLOAT: return ISL_FORMAT_R32G32B32A32_FLOAT; + case ISL_FORMAT_R32G32B32_SINT: return ISL_FORMAT_R32G32B32A32_SINT; + case ISL_FORMAT_R32G32B32_UINT: return ISL_FORMAT_R32G32B32A32_UINT; + case ISL_FORMAT_R32G32B32_UNORM: return ISL_FORMAT_R32G32B32A32_UNORM; + case ISL_FORMAT_R32G32B32_SNORM: return ISL_FORMAT_R32G32B32A32_SNORM; + case ISL_FORMAT_R32G32B32_SSCALED: return ISL_FORMAT_R32G32B32A32_SSCALED; + case ISL_FORMAT_R32G32B32_USCALED: return ISL_FORMAT_R32G32B32A32_USCALED; + case ISL_FORMAT_R32G32B32_SFIXED: return ISL_FORMAT_R32G32B32A32_SFIXED; + case ISL_FORMAT_R8G8B8_UNORM: return ISL_FORMAT_R8G8B8A8_UNORM; + case ISL_FORMAT_R8G8B8_SNORM: return ISL_FORMAT_R8G8B8A8_SNORM; + case ISL_FORMAT_R8G8B8_SSCALED: return ISL_FORMAT_R8G8B8A8_SSCALED; + case ISL_FORMAT_R8G8B8_USCALED: return ISL_FORMAT_R8G8B8A8_USCALED; + case ISL_FORMAT_R16G16B16_FLOAT: return ISL_FORMAT_R16G16B16A16_FLOAT; + case ISL_FORMAT_R16G16B16_UNORM: return ISL_FORMAT_R16G16B16A16_UNORM; + case ISL_FORMAT_R16G16B16_SNORM: return ISL_FORMAT_R16G16B16A16_SNORM; + case ISL_FORMAT_R16G16B16_SSCALED: return ISL_FORMAT_R16G16B16A16_SSCALED; + case ISL_FORMAT_R16G16B16_USCALED: return ISL_FORMAT_R16G16B16A16_USCALED; + case ISL_FORMAT_R8G8B8_UNORM_SRGB: return ISL_FORMAT_R8G8B8A8_UNORM_SRGB; + case ISL_FORMAT_R16G16B16_UINT: return ISL_FORMAT_R16G16B16A16_UINT; + case ISL_FORMAT_R16G16B16_SINT: return ISL_FORMAT_R16G16B16A16_SINT; + case ISL_FORMAT_R8G8B8_UINT: return ISL_FORMAT_R8G8B8A8_UINT; + case ISL_FORMAT_R8G8B8_SINT: return ISL_FORMAT_R8G8B8A8_SINT; + default: + return ISL_FORMAT_UNSUPPORTED; + } +} + +enum isl_format +isl_format_rgb_to_rgbx(enum isl_format rgb) +{ + assert(isl_format_is_rgb(rgb)); + + switch (rgb) { + case ISL_FORMAT_R32G32B32_FLOAT: + return ISL_FORMAT_R32G32B32X32_FLOAT; + case ISL_FORMAT_R16G16B16_UNORM: + return ISL_FORMAT_R16G16B16X16_UNORM; + case ISL_FORMAT_R16G16B16_FLOAT: + return ISL_FORMAT_R16G16B16X16_FLOAT; + case ISL_FORMAT_R8G8B8_UNORM: + return ISL_FORMAT_R8G8B8X8_UNORM; + case ISL_FORMAT_R8G8B8_UNORM_SRGB: + return ISL_FORMAT_R8G8B8X8_UNORM_SRGB; + default: + return ISL_FORMAT_UNSUPPORTED; + } +} |