#pragma once
+#include <stdint.h>
+
#ifdef __cplusplus
extern "C" {
#endif
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_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;
+};
+
+extern const struct isl_format_layout isl_format_layouts[];
+
#ifdef __cplusplus
}
#endif
--- /dev/null
+#!/usr/bin/env bash
+#
+# 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.
+
+set -eu
+set -o pipefail
+
+cat <<'EOF'
+/*
+ * 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 "isl.h"
+
+const struct isl_format_layout
+isl_format_layouts[] = {
+EOF
+
+sed -r '
+# Delete comment lines and empty lines
+/^[[:space:]]*#/d
+/^[[:space:]]*$/d
+
+# Delete spaces
+s/[[:space:]]//g
+
+# Translate formats
+s/^([A-Za-z0-9_]+),*/ISL_FORMAT_\1,/
+
+# Translate data type of channels
+s/\<x([0-9]+),/ISL_VOID@\1,/g
+s/\<r([0-9]+),/ISL_RAW@\1,/g
+s/\<un([0-9]+),/ISL_UNORM@\1,/g
+s/\<sn([0-9]+),/ISL_SNORM@\1,/g
+s/\<uf([0-9]+),/ISL_UFLOAT@\1,/g
+s/\<sf([0-9]+),/ISL_SFLOAT@\1,/g
+s/\<ux([0-9]+),/ISL_UFIXED@\1,/g
+s/\<sx([0-9]+),/ISL_SFIXED@\1,/g
+s/\<ui([0-9]+),/ISL_UINT@\1,/g
+s/\<si([0-9]+),/ISL_SINT@\1,/g
+s/\<us([0-9]+),/ISL_USCALED@\1,/g
+s/\<ss([0-9]+),/ISL_SSCALED@\1,/g
+
+# Translate colorspaces
+# Interpret alpha-only formats as having no colorspace.
+s/\<(linear|srgb|yuv)\>/ISL_COLORSPACE_\1/
+s/\<alpha\>//
+
+# Translate texture compression
+s/\<(dxt|fxt|rgtc|bptc|etc)([0-9]*)\>/ISL_TXC_\1\2/
+' |
+tr 'a-z' 'A-Z' | # Convert to uppersace
+while IFS=, read -r format bpb bw bh bd \
+ red green blue alpha \
+ luminance intensity palette \
+ colorspace txc
+do
+ : ${colorspace:=ISL_COLORSPACE_NONE}
+ : ${txc:=ISL_TXC_NONE}
+
+ cat <<EOF
+ [$format] = {
+ $format,
+ .bs = $((bpb/8)), .bpb = $bpb,
+ .bw = $bw, .bh = $bh, .bd = $bd,
+ .channels = {
+ .r = { $red },
+ .g = { $green },
+ .b = { $blue },
+ .a = { $alpha },
+ .l = { $luminance },
+ .i = { $intensity },
+ .p = { $palette },
+ },
+ .colorspace = $colorspace,
+ .txc = $txc,
+ },
+
+EOF
+done |
+sed -r '
+# Collapse empty channels
+s/\{ \}/{}/
+
+# Split non-empty channels into two members: base type and bit size
+s/@/, /
+'
+
+# Terminate the table
+printf '};\n'
projects / mesa.git / commitdiff