emugl: import script for AOSP to generate encoding/decoding functions
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Simon Fels
Simon Fels
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3 changed files with 153 additions and 0 deletions
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@ -192,6 +192,7 @@ Interesting things to have a look at
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* [Runtime Setup](docs/runtime-setup.md)
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* [Build Android image](docs/build-android.md)
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* [Generate Android emugl source](docs/generate-emugl-source.md)
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## Reporting bugs
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16
docs/generate-emugl-source.md
Normal file
16
docs/generate-emugl-source.md
Normal file
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@ -0,0 +1,16 @@
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# Generate Android EmuGL source
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Parts of the EmuGL layer are generated with a tool called emugen (see
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external/android-emugl/host/tools/emugen).
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To generate the source again after a modification simply call
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```
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$ scripts/update-emugl-sources.sh --emugen=<path to emugen>/emugen
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```
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The definition of the various attributes/types/functions can be found in
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* external/android-emugl/host/libs/renderControl_dec
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* external/android-emugl/host/libs/GLESv1_dec
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* external/android-emugl/host/libs/GLESv2_dec
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136
scripts/update-emugl-sources.sh
Executable file
136
scripts/update-emugl-sources.sh
Executable file
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@ -0,0 +1,136 @@
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#!/bin/sh
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# Copyright 2014 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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set -e
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export LANG=C
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export LC_ALL=C
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PROGDIR=$(dirname "$0")
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PROGNAME=$(basename "$0")
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fatal () {
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echo "ERROR: $@"
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exit 1
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}
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ANBOX_DIR="$PWD"
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OPT_ANBOX_DIR=
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OPT_EMUGEN=
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OPT_HELP=
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for OPT; do
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OPTARG=$(expr "x$OPT" : "x[^=]*=\\(.*\\)" || true)
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case $OPT in
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--help|-h|-\?)
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OPT_HELP=true
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;;
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--anbox-dir=*)
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OPT_ANBOX_DIR=$OPTARG
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;;
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--emugen=*)
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OPT_EMUGEN=$OPTARG
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;;
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-*)
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fatal "Invalid option '$OPT', see --help."
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;;
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*)
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fatal "This script doesn't take arguments, see --help."
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;;
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esac
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done
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if [ "$OPT_HELP" ]; then
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cat <<EOF
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Usage: $PROGNAME [options]
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Update the sources of the GPU emulation encoder and decoder, after an update
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to the 'emugen' tool.
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Valid options (defaults are in brackets):
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--help|-h|-? Print this help.
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--anbox-dir=<dir> Specify top-level Anbox directory [$ANBOX_DIR].
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--emugen=<program> Emugen program path, if not in path.
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EOF
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exit 0
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fi
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EMUGEN=
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if [ "$OPT_EMUGEN" ]; then
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EMUGEN=$OPT_EMUGEN
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if [ ! -f "$EMUGEN" ]; then
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fatal "Missing emugen binary: $EMUGEN"
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fi
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else
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EMUGEN=$PROGDIR/../../../objs/build/intermediates64/emugen/emugen
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if [ ! -f "$EMUGEN" ]; then
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fatal "Missing emugen binary: $EMUGEN, please build it or use --emugen=<program>"
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fi
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echo "Auto-config: --emugen=$EMUGEN"
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fi
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if [ "$OPT_ANBOX_DIR" ]; then
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ANBOX_DIR=$OPT_ANBOX_DIR
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else
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echo "Auto-config: --anbox-dir=$ANBOX_DIR"
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fi
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if [ ! -d "$ANBOX_DIR/src/anbox" ]; then
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fatal "Not an Anbox directory: $ANBOX_DIR"
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fi
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ANBOX_DIR=$(cd "$ANBOX_DIR" && pwd -P)
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# Find the sources for the encoder:
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ENCODER_TOP_DIR=$ANBOX_DIR/android/opengl/system
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DECODER_TOP_DIR=$ANBOX_DIR/external/android-emugl/host/libs
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if [ ! -d "$ENCODER_TOP_DIR" ]; then
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fatal "Missing encoder source directory: $ENCODER_TOP_DIR"
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fi
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if [ ! -d "$DECODER_TOP_DIR" ]; then
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fatal "Missing decoder source directory: $DECODER_TOP_DIR"
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fi
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# GLESv1 encoder
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GLESv1_INPUT_DIR=$DECODER_TOP_DIR/GLESv1_dec
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GLESv2_INPUT_DIR=$DECODER_TOP_DIR/GLESv2_dec
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RENDERCONTROL_INPUT_DIR=$DECODER_TOP_DIR/renderControl_dec
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# The encoder has prefix GL while decoder has GLES
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cp -f $DECODER_TOP_DIR/GLESv1_dec/gles1.attrib $DECODER_TOP_DIR/GLESv1_dec/gl.attrib
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cp -f $DECODER_TOP_DIR/GLESv1_dec/gles1.in $DECODER_TOP_DIR/GLESv1_dec/gl.in
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cp -f $DECODER_TOP_DIR/GLESv1_dec/gles1.types $DECODER_TOP_DIR/GLESv1_dec/gl.types
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cp -f $DECODER_TOP_DIR/GLESv2_dec/gles2.attrib $DECODER_TOP_DIR/GLESv2_dec/gl2.attrib
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cp -f $DECODER_TOP_DIR/GLESv2_dec/gles2.in $DECODER_TOP_DIR/GLESv2_dec/gl2.in
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cp -f $DECODER_TOP_DIR/GLESv2_dec/gles2.types $DECODER_TOP_DIR/GLESv2_dec/gl2.types
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$EMUGEN -i $DECODER_TOP_DIR/GLESv1_dec -E $ENCODER_TOP_DIR/GLESv1_enc gl
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$EMUGEN -i $DECODER_TOP_DIR/GLESv2_dec -E $ENCODER_TOP_DIR/GLESv2_enc gl2
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$EMUGEN -i $DECODER_TOP_DIR/renderControl_dec -E $ENCODER_TOP_DIR/renderControl_enc renderControl
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rm $DECODER_TOP_DIR/GLESv1_dec/gl.attrib
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rm $DECODER_TOP_DIR/GLESv1_dec/gl.in
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rm $DECODER_TOP_DIR/GLESv1_dec/gl.types
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rm $DECODER_TOP_DIR/GLESv2_dec/gl2.attrib
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rm $DECODER_TOP_DIR/GLESv2_dec/gl2.in
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rm $DECODER_TOP_DIR/GLESv2_dec/gl2.types
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echo "Done, see $ENCODER_TOP_DIR"
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exit 0
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