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diff --git a/src/vulkan/isl.h b/src/vulkan/isl.h
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+/*
+ * 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.
+ */
+
+/**
+ * @file
+ * @brief Intel Surface Layout
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct brw_device_info;
+
+/**
+ * WARNING: These values differ from the hardware enum values, which are
+ * unstable across hardware generations.
+ */
+enum isl_tiling {
+ ISL_TILING_LINEAR,
+ ISL_TILING_W,
+ ISL_TILING_X,
+ ISL_TILING_Y, /**< Legacy Y tiling */
+ ISL_TILING_Yf,
+ ISL_TILING_Ys,
+};
+
+/**
+ * Hardware enumeration SURFACE_FORMAT.
+ *
+ * For the official list, see Broadwell PRM: Volume 2b: Command Reference:
+ * Enumerations: SURFACE_FORMAT.
+ */
+enum isl_format {
+ ISL_FORMAT_R32G32B32A32_FLOAT = 0,
+ ISL_FORMAT_R32G32B32A32_SINT = 1,
+ ISL_FORMAT_R32G32B32A32_UINT = 2,
+ ISL_FORMAT_R32G32B32A32_UNORM = 3,
+ ISL_FORMAT_R32G32B32A32_SNORM = 4,
+ ISL_FORMAT_R64G64_FLOAT = 5,
+ ISL_FORMAT_R32G32B32X32_FLOAT = 6,
+ ISL_FORMAT_R32G32B32A32_SSCALED = 7,
+ ISL_FORMAT_R32G32B32A32_USCALED = 8,
+ ISL_FORMAT_R32G32B32A32_SFIXED = 32,
+ ISL_FORMAT_R64G64_PASSTHRU = 33,
+ ISL_FORMAT_R32G32B32_FLOAT = 64,
+ ISL_FORMAT_R32G32B32_SINT = 65,
+ ISL_FORMAT_R32G32B32_UINT = 66,
+ ISL_FORMAT_R32G32B32_UNORM = 67,
+ ISL_FORMAT_R32G32B32_SNORM = 68,
+ ISL_FORMAT_R32G32B32_SSCALED = 69,
+ ISL_FORMAT_R32G32B32_USCALED = 70,
+ ISL_FORMAT_R32G32B32_SFIXED = 80,
+ ISL_FORMAT_R16G16B16A16_UNORM = 128,
+ ISL_FORMAT_R16G16B16A16_SNORM = 129,
+ ISL_FORMAT_R16G16B16A16_SINT = 130,
+ ISL_FORMAT_R16G16B16A16_UINT = 131,
+ ISL_FORMAT_R16G16B16A16_FLOAT = 132,
+ ISL_FORMAT_R32G32_FLOAT = 133,
+ ISL_FORMAT_R32G32_SINT = 134,
+ ISL_FORMAT_R32G32_UINT = 135,
+ ISL_FORMAT_R32_FLOAT_X8X24_TYPELESS = 136,
+ ISL_FORMAT_X32_TYPELESS_G8X24_UINT = 137,
+ ISL_FORMAT_L32A32_FLOAT = 138,
+ ISL_FORMAT_R32G32_UNORM = 139,
+ ISL_FORMAT_R32G32_SNORM = 140,
+ ISL_FORMAT_R64_FLOAT = 141,
+ ISL_FORMAT_R16G16B16X16_UNORM = 142,
+ ISL_FORMAT_R16G16B16X16_FLOAT = 143,
+ ISL_FORMAT_A32X32_FLOAT = 144,
+ ISL_FORMAT_L32X32_FLOAT = 145,
+ ISL_FORMAT_I32X32_FLOAT = 146,
+ ISL_FORMAT_R16G16B16A16_SSCALED = 147,
+ ISL_FORMAT_R16G16B16A16_USCALED = 148,
+ ISL_FORMAT_R32G32_SSCALED = 149,
+ ISL_FORMAT_R32G32_USCALED = 150,
+ ISL_FORMAT_R32G32_SFIXED = 160,
+ ISL_FORMAT_R64_PASSTHRU = 161,
+ ISL_FORMAT_B8G8R8A8_UNORM = 192,
+ ISL_FORMAT_B8G8R8A8_UNORM_SRGB = 193,
+ ISL_FORMAT_R10G10B10A2_UNORM = 194,
+ ISL_FORMAT_R10G10B10A2_UNORM_SRGB = 195,
+ ISL_FORMAT_R10G10B10A2_UINT = 196,
+ ISL_FORMAT_R10G10B10_SNORM_A2_UNORM = 197,
+ ISL_FORMAT_R8G8B8A8_UNORM = 199,
+ ISL_FORMAT_R8G8B8A8_UNORM_SRGB = 200,
+ ISL_FORMAT_R8G8B8A8_SNORM = 201,
+ ISL_FORMAT_R8G8B8A8_SINT = 202,
+ ISL_FORMAT_R8G8B8A8_UINT = 203,
+ ISL_FORMAT_R16G16_UNORM = 204,
+ ISL_FORMAT_R16G16_SNORM = 205,
+ ISL_FORMAT_R16G16_SINT = 206,
+ ISL_FORMAT_R16G16_UINT = 207,
+ ISL_FORMAT_R16G16_FLOAT = 208,
+ ISL_FORMAT_B10G10R10A2_UNORM = 209,
+ ISL_FORMAT_B10G10R10A2_UNORM_SRGB = 210,
+ ISL_FORMAT_R11G11B10_FLOAT = 211,
+ ISL_FORMAT_R32_SINT = 214,
+ ISL_FORMAT_R32_UINT = 215,
+ ISL_FORMAT_R32_FLOAT = 216,
+ ISL_FORMAT_R24_UNORM_X8_TYPELESS = 217,
+ ISL_FORMAT_X24_TYPELESS_G8_UINT = 218,
+ ISL_FORMAT_L32_UNORM = 221,
+ ISL_FORMAT_A32_UNORM = 222,
+ ISL_FORMAT_L16A16_UNORM = 223,
+ ISL_FORMAT_I24X8_UNORM = 224,
+ ISL_FORMAT_L24X8_UNORM = 225,
+ ISL_FORMAT_A24X8_UNORM = 226,
+ ISL_FORMAT_I32_FLOAT = 227,
+ ISL_FORMAT_L32_FLOAT = 228,
+ ISL_FORMAT_A32_FLOAT = 229,
+ ISL_FORMAT_X8B8_UNORM_G8R8_SNORM = 230,
+ ISL_FORMAT_A8X8_UNORM_G8R8_SNORM = 231,
+ ISL_FORMAT_B8X8_UNORM_G8R8_SNORM = 232,
+ ISL_FORMAT_B8G8R8X8_UNORM = 233,
+ ISL_FORMAT_B8G8R8X8_UNORM_SRGB = 234,
+ ISL_FORMAT_R8G8B8X8_UNORM = 235,
+ ISL_FORMAT_R8G8B8X8_UNORM_SRGB = 236,
+ ISL_FORMAT_R9G9B9E5_SHAREDEXP = 237,
+ ISL_FORMAT_B10G10R10X2_UNORM = 238,
+ ISL_FORMAT_L16A16_FLOAT = 240,
+ ISL_FORMAT_R32_UNORM = 241,
+ ISL_FORMAT_R32_SNORM = 242,
+ ISL_FORMAT_R10G10B10X2_USCALED = 243,
+ ISL_FORMAT_R8G8B8A8_SSCALED = 244,
+ ISL_FORMAT_R8G8B8A8_USCALED = 245,
+ ISL_FORMAT_R16G16_SSCALED = 246,
+ ISL_FORMAT_R16G16_USCALED = 247,
+ ISL_FORMAT_R32_SSCALED = 248,
+ ISL_FORMAT_R32_USCALED = 249,
+ ISL_FORMAT_B5G6R5_UNORM = 256,
+ ISL_FORMAT_B5G6R5_UNORM_SRGB = 257,
+ ISL_FORMAT_B5G5R5A1_UNORM = 258,
+ ISL_FORMAT_B5G5R5A1_UNORM_SRGB = 259,
+ ISL_FORMAT_B4G4R4A4_UNORM = 260,
+ ISL_FORMAT_B4G4R4A4_UNORM_SRGB = 261,
+ ISL_FORMAT_R8G8_UNORM = 262,
+ ISL_FORMAT_R8G8_SNORM = 263,
+ ISL_FORMAT_R8G8_SINT = 264,
+ ISL_FORMAT_R8G8_UINT = 265,
+ ISL_FORMAT_R16_UNORM = 266,
+ ISL_FORMAT_R16_SNORM = 267,
+ ISL_FORMAT_R16_SINT = 268,
+ ISL_FORMAT_R16_UINT = 269,
+ ISL_FORMAT_R16_FLOAT = 270,
+ ISL_FORMAT_A8P8_UNORM_PALETTE0 = 271,
+ ISL_FORMAT_A8P8_UNORM_PALETTE1 = 272,
+ ISL_FORMAT_I16_UNORM = 273,
+ ISL_FORMAT_L16_UNORM = 274,
+ ISL_FORMAT_A16_UNORM = 275,
+ ISL_FORMAT_L8A8_UNORM = 276,
+ ISL_FORMAT_I16_FLOAT = 277,
+ ISL_FORMAT_L16_FLOAT = 278,
+ ISL_FORMAT_A16_FLOAT = 279,
+ ISL_FORMAT_L8A8_UNORM_SRGB = 280,
+ ISL_FORMAT_R5G5_SNORM_B6_UNORM = 281,
+ ISL_FORMAT_B5G5R5X1_UNORM = 282,
+ ISL_FORMAT_B5G5R5X1_UNORM_SRGB = 283,
+ ISL_FORMAT_R8G8_SSCALED = 284,
+ ISL_FORMAT_R8G8_USCALED = 285,
+ ISL_FORMAT_R16_SSCALED = 286,
+ ISL_FORMAT_R16_USCALED = 287,
+ ISL_FORMAT_P8A8_UNORM_PALETTE0 = 290,
+ ISL_FORMAT_P8A8_UNORM_PALETTE1 = 291,
+ ISL_FORMAT_A1B5G5R5_UNORM = 292,
+ ISL_FORMAT_A4B4G4R4_UNORM = 293,
+ ISL_FORMAT_L8A8_UINT = 294,
+ ISL_FORMAT_L8A8_SINT = 295,
+ ISL_FORMAT_R8_UNORM = 320,
+ ISL_FORMAT_R8_SNORM = 321,
+ ISL_FORMAT_R8_SINT = 322,
+ ISL_FORMAT_R8_UINT = 323,
+ ISL_FORMAT_A8_UNORM = 324,
+ ISL_FORMAT_I8_UNORM = 325,
+ ISL_FORMAT_L8_UNORM = 326,
+ ISL_FORMAT_P4A4_UNORM_PALETTE0 = 327,
+ ISL_FORMAT_A4P4_UNORM_PALETTE0 = 328,
+ ISL_FORMAT_R8_SSCALED = 329,
+ ISL_FORMAT_R8_USCALED = 330,
+ ISL_FORMAT_P8_UNORM_PALETTE0 = 331,
+ ISL_FORMAT_L8_UNORM_SRGB = 332,
+ ISL_FORMAT_P8_UNORM_PALETTE1 = 333,
+ ISL_FORMAT_P4A4_UNORM_PALETTE1 = 334,
+ ISL_FORMAT_A4P4_UNORM_PALETTE1 = 335,
+ ISL_FORMAT_Y8_UNORM = 336,
+ ISL_FORMAT_L8_UINT = 338,
+ ISL_FORMAT_L8_SINT = 339,
+ ISL_FORMAT_I8_UINT = 340,
+ ISL_FORMAT_I8_SINT = 341,
+ ISL_FORMAT_DXT1_RGB_SRGB = 384,
+ ISL_FORMAT_R1_UNORM = 385,
+ ISL_FORMAT_YCRCB_NORMAL = 386,
+ ISL_FORMAT_YCRCB_SWAPUVY = 387,
+ ISL_FORMAT_P2_UNORM_PALETTE0 = 388,
+ ISL_FORMAT_P2_UNORM_PALETTE1 = 389,
+ ISL_FORMAT_BC1_UNORM = 390,
+ ISL_FORMAT_BC2_UNORM = 391,
+ ISL_FORMAT_BC3_UNORM = 392,
+ ISL_FORMAT_BC4_UNORM = 393,
+ ISL_FORMAT_BC5_UNORM = 394,
+ ISL_FORMAT_BC1_UNORM_SRGB = 395,
+ ISL_FORMAT_BC2_UNORM_SRGB = 396,
+ ISL_FORMAT_BC3_UNORM_SRGB = 397,
+ ISL_FORMAT_MONO8 = 398,
+ ISL_FORMAT_YCRCB_SWAPUV = 399,
+ ISL_FORMAT_YCRCB_SWAPY = 400,
+ ISL_FORMAT_DXT1_RGB = 401,
+ ISL_FORMAT_FXT1 = 402,
+ ISL_FORMAT_R8G8B8_UNORM = 403,
+ ISL_FORMAT_R8G8B8_SNORM = 404,
+ ISL_FORMAT_R8G8B8_SSCALED = 405,
+ ISL_FORMAT_R8G8B8_USCALED = 406,
+ ISL_FORMAT_R64G64B64A64_FLOAT = 407,
+ ISL_FORMAT_R64G64B64_FLOAT = 408,
+ ISL_FORMAT_BC4_SNORM = 409,
+ ISL_FORMAT_BC5_SNORM = 410,
+ ISL_FORMAT_R16G16B16_FLOAT = 411,
+ ISL_FORMAT_R16G16B16_UNORM = 412,
+ ISL_FORMAT_R16G16B16_SNORM = 413,
+ ISL_FORMAT_R16G16B16_SSCALED = 414,
+ ISL_FORMAT_R16G16B16_USCALED = 415,
+ ISL_FORMAT_BC6H_SF16 = 417,
+ ISL_FORMAT_BC7_UNORM = 418,
+ ISL_FORMAT_BC7_UNORM_SRGB = 419,
+ ISL_FORMAT_BC6H_UF16 = 420,
+ ISL_FORMAT_PLANAR_420_8 = 421,
+ ISL_FORMAT_R8G8B8_UNORM_SRGB = 424,
+ ISL_FORMAT_ETC1_RGB8 = 425,
+ ISL_FORMAT_ETC2_RGB8 = 426,
+ ISL_FORMAT_EAC_R11 = 427,
+ ISL_FORMAT_EAC_RG11 = 428,
+ ISL_FORMAT_EAC_SIGNED_R11 = 429,
+ ISL_FORMAT_EAC_SIGNED_RG11 = 430,
+ ISL_FORMAT_ETC2_SRGB8 = 431,
+ ISL_FORMAT_R16G16B16_UINT = 432,
+ ISL_FORMAT_R16G16B16_SINT = 433,
+ ISL_FORMAT_R32_SFIXED = 434,
+ ISL_FORMAT_R10G10B10A2_SNORM = 435,
+ ISL_FORMAT_R10G10B10A2_USCALED = 436,
+ ISL_FORMAT_R10G10B10A2_SSCALED = 437,
+ ISL_FORMAT_R10G10B10A2_SINT = 438,
+ ISL_FORMAT_B10G10R10A2_SNORM = 439,
+ ISL_FORMAT_B10G10R10A2_USCALED = 440,
+ ISL_FORMAT_B10G10R10A2_SSCALED = 441,
+ ISL_FORMAT_B10G10R10A2_UINT = 442,
+ ISL_FORMAT_B10G10R10A2_SINT = 443,
+ ISL_FORMAT_R64G64B64A64_PASSTHRU = 444,
+ ISL_FORMAT_R64G64B64_PASSTHRU = 445,
+ ISL_FORMAT_ETC2_RGB8_PTA = 448,
+ ISL_FORMAT_ETC2_SRGB8_PTA = 449,
+ ISL_FORMAT_ETC2_EAC_RGBA8 = 450,
+ ISL_FORMAT_ETC2_EAC_SRGB8_A8 = 451,
+ ISL_FORMAT_R8G8B8_UINT = 456,
+ ISL_FORMAT_R8G8B8_SINT = 457,
+ ISL_FORMAT_RAW = 511,
+
+ /* Hardware doesn't understand this out-of-band value */
+ ISL_FORMAT_UNSUPPORTED = UINT16_MAX,
+};
+
+enum isl_base_type {
+ ISL_VOID,
+ ISL_RAW,
+ ISL_UNORM,
+ ISL_SNORM,
+ ISL_UFLOAT,
+ ISL_SFLOAT,
+ ISL_UFIXED,
+ ISL_SFIXED,
+ ISL_UINT,
+ ISL_SINT,
+ ISL_USCALED,
+ ISL_SSCALED,
+};
+
+enum isl_colorspace {
+ ISL_COLORSPACE_NONE = 0,
+ ISL_COLORSPACE_LINEAR,
+ ISL_COLORSPACE_SRGB,
+ ISL_COLORSPACE_YUV,
+};
+
+/**
+ * Texture compression mode
+ */
+enum isl_txc {
+ ISL_TXC_NONE = 0,
+ ISL_TXC_DXT1,
+ ISL_TXC_DXT3,
+ ISL_TXC_DXT5,
+ ISL_TXC_FXT1,
+ ISL_TXC_RGTC1,
+ ISL_TXC_RGTC2,
+ ISL_TXC_BPTC,
+ ISL_TXC_ETC1,
+ ISL_TXC_ETC2,
+};
+
+struct isl_device {
+ const struct brw_device_info *info;
+};
+
+struct isl_extent2d {
+ uint32_t width;
+ uint32_t height;
+};
+
+struct isl_extent3d {
+ uint32_t width;
+ uint32_t height;
+ uint32_t depth;
+};
+
+struct isl_channel_layout {
+ enum isl_base_type type;
+ uint8_t bits; /**< Size in bits */
+};
+
+struct isl_format_layout {
+ enum isl_format format;
+
+ uint16_t bpb; /**< Bits per block */
+ uint8_t bs; /**< Block size, in bytes, rounded towards 0 */
+ uint8_t bw; /**< Block width, in pixels */
+ uint8_t bh; /**< Block height, in pixels */
+ uint8_t bd; /**< Block depth, in pixels */
+
+ struct {
+ struct isl_channel_layout r; /**< Red channel */
+ struct isl_channel_layout g; /**< Green channel */
+ struct isl_channel_layout b; /**< Blue channel */
+ struct isl_channel_layout a; /**< Alpha channel */
+ struct isl_channel_layout l; /**< Luminance channel */
+ struct isl_channel_layout i; /**< Intensity channel */
+ struct isl_channel_layout p; /**< Palette channel */
+ } channels;
+
+ enum isl_colorspace colorspace;
+ enum isl_txc txc;
+};
+
+void
+isl_device_init(struct isl_device *dev,
+ const struct brw_device_info *info);
+
+void
+isl_tiling_get_extent(const struct isl_device *dev,
+ enum isl_tiling tiling,
+ uint32_t cpp,
+ struct isl_extent2d *e);
+
+extern const struct isl_format_layout isl_format_layouts[];
+
+#ifdef __cplusplus
+}
+#endif
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