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magnum/modules/FindOpenGLES3.cmake

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Modern CMake usage: reworked to use target-specific properties. As with Corrade, this is not exactly backwards compatible, but for common use case without OBJECT libraries this should not be a problem. In any case, recreate the build dir and update your copy of all Find*.cmake modules to avoid weird things happening. User-facing changes: * Documentation of all Find*.cmake modules converted to reStructuredText to follow official CMake guidelines. * The newfangled way to use the libraries is to link to Magnum::Shaders instead of adding ${MAGNUM_SHADERS_INCLUDE_DIRS} to include path and linking to ${MAGNUM_SHADERS_LIBRARIES}. * The old ${MAGNUM_*_LIBRARIES} are deprecated and now just expand to Magnum::* target. Use the target directly. These are also enabled only when building with MAGNUM_BUILD_DEPRECATED. * The old ${MAGNUM_*_INCLUDE_DIRS} are removed as the Magnum::* targets cover these too. Internal changes: * Global state such as include_directories() was replaced with target-specific settings.
10 years ago
#.rst:
# Find OpenGL ES 3
# ----------------
Added FindOpenGLES3.cmake module. Seems that Mesa has both ES2 and ES3 in the same libGLESv2.so. Weird.
13 years ago
#
Modern CMake usage: reworked to use target-specific properties. As with Corrade, this is not exactly backwards compatible, but for common use case without OBJECT libraries this should not be a problem. In any case, recreate the build dir and update your copy of all Find*.cmake modules to avoid weird things happening. User-facing changes: * Documentation of all Find*.cmake modules converted to reStructuredText to follow official CMake guidelines. * The newfangled way to use the libraries is to link to Magnum::Shaders instead of adding ${MAGNUM_SHADERS_INCLUDE_DIRS} to include path and linking to ${MAGNUM_SHADERS_LIBRARIES}. * The old ${MAGNUM_*_LIBRARIES} are deprecated and now just expand to Magnum::* target. Use the target directly. These are also enabled only when building with MAGNUM_BUILD_DEPRECATED. * The old ${MAGNUM_*_INCLUDE_DIRS} are removed as the Magnum::* targets cover these too. Internal changes: * Global state such as include_directories() was replaced with target-specific settings.
10 years ago
# Finds the OpenGL ES 3 library. This module defines:
#
# OpenGLES3_FOUND - True if OpenGL ES 3 library is found
# OpenGLES3::OpenGLES3 - OpenGL ES 3 imported target
#
# Additionally these variables are defined for internal usage:
Added FindOpenGLES3.cmake module. Seems that Mesa has both ES2 and ES3 in the same libGLESv2.so. Weird.
13 years ago
#
# OPENGLES3_LIBRARY - OpenGL ES 3 library
# OPENGLES3_INCLUDE_DIR - Include dir
#
#
# This file is part of Magnum.
#
Updated copyright year.
7 years ago
# Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Happy new year too.
12 years ago
# Vladimír Vondruš <mosra@centrum.cz>
Added FindOpenGLES3.cmake module. Seems that Mesa has both ES2 and ES3 in the same libGLESv2.so. Weird.
13 years ago
#
# 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.
#
modules: explicitly link to Emscripten GL and OpenAL libraries. Emscripten's MINIMAL_RUNTIME requires -lGL or -lopenal to be specified (the default does that implicitly). It doesn't hurt to do that every time and it makes the Find modules slightly simpler.
7 years ago
# Under Emscripten, GL is linked implicitly. With MINIMAL_RUNTIME you need to
# specify -lGL. Simply set the library name to that.
if(CORRADE_TARGET_EMSCRIPTEN)
set(OPENGLES3_LIBRARY GL CACHE STRING "Path to a library." FORCE)
else()
Initial support for WebGL 2. The actual WebGL 2 distinction was done as a part of previous WebGL cleanup. It compiles, but is completely broken, as Emscripten has some missing bits to go through at least Context class creation.
11 years ago
find_library(OPENGLES3_LIBRARY NAMES
GLESv3
modules: libGLESv3 actually really exists. The world is actually sane.
12 years ago
Initial support for WebGL 2. The actual WebGL 2 distinction was done as a part of previous WebGL cleanup. It compiles, but is completely broken, as Emscripten has some missing bits to go through at least Context class creation.
11 years ago
# On some platforms (e.g. desktop emulation with Mesa or NVidia) ES3
# support is provided in ES2 lib
modules: support ANGLE in FindOpenGLES2/3 and FindEGL CMake modules. It has lib prefix even on Windows, making it unfindable for CMake.
11 years ago
GLESv2
modules: updated FindOpenGLES[23].cmake to work on iOS.
10 years ago
# ANGLE (CMake doesn't search for lib prefix on Windows)
libGLESv2
# iOS
OpenGLES)
Initial support for WebGL 2. The actual WebGL 2 distinction was done as a part of previous WebGL cleanup. It compiles, but is completely broken, as Emscripten has some missing bits to go through at least Context class creation.
11 years ago
endif()
Added FindOpenGLES3.cmake module. Seems that Mesa has both ES2 and ES3 in the same libGLESv2.so. Weird.
13 years ago
# Include dir
modules: updated FindOpenGLES[23].cmake to work on iOS.
10 years ago
find_path(OPENGLES3_INCLUDE_DIR NAMES
GLES3/gl3.h
# iOS
ES3/gl.h)
Added FindOpenGLES3.cmake module. Seems that Mesa has both ES2 and ES3 in the same libGLESv2.so. Weird.
13 years ago
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args("OpenGLES3" DEFAULT_MSG
modules: explicitly link to Emscripten GL and OpenAL libraries. Emscripten's MINIMAL_RUNTIME requires -lGL or -lopenal to be specified (the default does that implicitly). It doesn't hurt to do that every time and it makes the Find modules slightly simpler.
7 years ago
OPENGLES3_LIBRARY
modules: fixed Find*GL*.cmake, updated coding style. It's meaningless to have *_INCLUDE_DIR point to the dir where {egl.h,gl2.h,gl3.h} exists, because we're always including the files using full path (e.g. <EGL/egl.h>). It then fails miserably at compile time on platforms which don't have the parent directory in include path.
11 years ago
OPENGLES3_INCLUDE_DIR)
Modern CMake usage: reworked to use target-specific properties. As with Corrade, this is not exactly backwards compatible, but for common use case without OBJECT libraries this should not be a problem. In any case, recreate the build dir and update your copy of all Find*.cmake modules to avoid weird things happening. User-facing changes: * Documentation of all Find*.cmake modules converted to reStructuredText to follow official CMake guidelines. * The newfangled way to use the libraries is to link to Magnum::Shaders instead of adding ${MAGNUM_SHADERS_INCLUDE_DIRS} to include path and linking to ${MAGNUM_SHADERS_LIBRARIES}. * The old ${MAGNUM_*_LIBRARIES} are deprecated and now just expand to Magnum::* target. Use the target directly. These are also enabled only when building with MAGNUM_BUILD_DEPRECATED. * The old ${MAGNUM_*_INCLUDE_DIRS} are removed as the Magnum::* targets cover these too. Internal changes: * Global state such as include_directories() was replaced with target-specific settings.
10 years ago
if(NOT TARGET OpenGLES3::OpenGLES3)
modules: explicitly link to Emscripten GL and OpenAL libraries. Emscripten's MINIMAL_RUNTIME requires -lGL or -lopenal to be specified (the default does that implicitly). It doesn't hurt to do that every time and it makes the Find modules slightly simpler.
7 years ago
# Work around BUGGY framework support on macOS. Do this also in case of
# Emscripten, since there we don't have a location either.
# http://public.kitware.com/pipermail/cmake/2016-April/063179.html
if((CORRADE_TARGET_APPLE AND ${OPENGLES3_LIBRARY} MATCHES "\\.framework$") OR CORRADE_TARGET_EMSCRIPTEN)
Modern CMake usage: reworked to use target-specific properties. As with Corrade, this is not exactly backwards compatible, but for common use case without OBJECT libraries this should not be a problem. In any case, recreate the build dir and update your copy of all Find*.cmake modules to avoid weird things happening. User-facing changes: * Documentation of all Find*.cmake modules converted to reStructuredText to follow official CMake guidelines. * The newfangled way to use the libraries is to link to Magnum::Shaders instead of adding ${MAGNUM_SHADERS_INCLUDE_DIRS} to include path and linking to ${MAGNUM_SHADERS_LIBRARIES}. * The old ${MAGNUM_*_LIBRARIES} are deprecated and now just expand to Magnum::* target. Use the target directly. These are also enabled only when building with MAGNUM_BUILD_DEPRECATED. * The old ${MAGNUM_*_INCLUDE_DIRS} are removed as the Magnum::* targets cover these too. Internal changes: * Global state such as include_directories() was replaced with target-specific settings.
10 years ago
add_library(OpenGLES3::OpenGLES3 INTERFACE IMPORTED)
modules: explicitly link to Emscripten GL and OpenAL libraries. Emscripten's MINIMAL_RUNTIME requires -lGL or -lopenal to be specified (the default does that implicitly). It doesn't hurt to do that every time and it makes the Find modules slightly simpler.
7 years ago
set_property(TARGET OpenGLES3::OpenGLES3 APPEND PROPERTY
INTERFACE_LINK_LIBRARIES ${OPENGLES3_LIBRARY})
else()
add_library(OpenGLES3::OpenGLES3 UNKNOWN IMPORTED)
set_property(TARGET OpenGLES3::OpenGLES3 PROPERTY
IMPORTED_LOCATION ${OPENGLES3_LIBRARY})
Modern CMake usage: reworked to use target-specific properties. As with Corrade, this is not exactly backwards compatible, but for common use case without OBJECT libraries this should not be a problem. In any case, recreate the build dir and update your copy of all Find*.cmake modules to avoid weird things happening. User-facing changes: * Documentation of all Find*.cmake modules converted to reStructuredText to follow official CMake guidelines. * The newfangled way to use the libraries is to link to Magnum::Shaders instead of adding ${MAGNUM_SHADERS_INCLUDE_DIRS} to include path and linking to ${MAGNUM_SHADERS_LIBRARIES}. * The old ${MAGNUM_*_LIBRARIES} are deprecated and now just expand to Magnum::* target. Use the target directly. These are also enabled only when building with MAGNUM_BUILD_DEPRECATED. * The old ${MAGNUM_*_INCLUDE_DIRS} are removed as the Magnum::* targets cover these too. Internal changes: * Global state such as include_directories() was replaced with target-specific settings.
10 years ago
endif()
set_property(TARGET OpenGLES3::OpenGLES3 PROPERTY
INTERFACE_INCLUDE_DIRECTORIES ${OPENGLES3_INCLUDE_DIR})
CMake: move -s USE_WEBGL2=1 for Esmcripten to FindOpenGLES3.cmake. Well, only for CMake 3.13 and newer, by using the SHELL: variant of INTERFACE_LINK_OPTIONS. In order to stay compatible with older versions, it needs to be done in FindMagnum.cmake and modifying the global CMAKE_EXE_LINKER_FLAGS. This case was updated to work properly also with CMake subprojects.
7 years ago
# Emscripten needs a special flag to use WebGL 2. CMake 3.13 allows to set
# this via INTERFACE_LINK_OPTIONS, for older versions we modify the global
# CMAKE_EXE_LINKER_FLAGS inside FindMagnum.cmake.
if(CORRADE_TARGET_EMSCRIPTEN AND NOT CMAKE_VERSION VERSION_LESS 3.13)
# I could probably use target_link_options() here, but let's be
# consistent with the rest
set_property(TARGET OpenGLES3::OpenGLES3 APPEND PROPERTY
INTERFACE_LINK_OPTIONS "SHELL:-s USE_WEBGL2=1")
endif()
Modern CMake usage: reworked to use target-specific properties. As with Corrade, this is not exactly backwards compatible, but for common use case without OBJECT libraries this should not be a problem. In any case, recreate the build dir and update your copy of all Find*.cmake modules to avoid weird things happening. User-facing changes: * Documentation of all Find*.cmake modules converted to reStructuredText to follow official CMake guidelines. * The newfangled way to use the libraries is to link to Magnum::Shaders instead of adding ${MAGNUM_SHADERS_INCLUDE_DIRS} to include path and linking to ${MAGNUM_SHADERS_LIBRARIES}. * The old ${MAGNUM_*_LIBRARIES} are deprecated and now just expand to Magnum::* target. Use the target directly. These are also enabled only when building with MAGNUM_BUILD_DEPRECATED. * The old ${MAGNUM_*_INCLUDE_DIRS} are removed as the Magnum::* targets cover these too. Internal changes: * Global state such as include_directories() was replaced with target-specific settings.
10 years ago
endif()