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@@ -1,200 +0,0 @@
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-From 0511fc56e7017209ad18d16551ccaad05de9486c Mon Sep 17 00:00:00 2001
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-From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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-Date: Mon, 8 May 2017 23:12:49 +0200
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-Subject: [PATCH] Make EGL support optional
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-
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-It is perfectly possible to build Mesa3D with just OpenGL support, and
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-use with GLX in X.org, without having EGL/OpenGLES support.
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-
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-However, libepoxy currently unconditionally requires EGL support in its
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-configure.ac, which causes a build failure when Mesa3D only provides
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-full OpenGL support:
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-
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-checking for EGL... no
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-configure: error: Package requirements (egl) were not met:
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-
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-Package egl was not found in the pkg-config search path.
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-Perhaps you should add the directory containing `egl.pc'
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-to the PKG_CONFIG_PATH environment variable
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-Package 'egl', required by 'world', not found
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-
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-This commit fixes that by:
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-
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- - Adjusting the configure.ac to add a --{enable,disable}-egl option
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- handled in the exact same way as --{enable,disable}-glx
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-
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- - Adjusting the meson build logic in the same way.
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-
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- - Adjusting src/dispatch_common.h to define PLATFORM_HAS_EGL correctly,
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- which allows to not include any EGL related header file if EGL
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- support is not enabled.
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-
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-Submitted-upstream: https://github.com/anholt/libepoxy/pull/123
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-Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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----
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- configure.ac | 33 ++++++++++++++++++++++++++++-----
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- meson.build | 21 ++++++++++++++++++---
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- meson_options.txt | 5 +++++
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- src/dispatch_common.h | 8 ++++----
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- 4 files changed, 55 insertions(+), 12 deletions(-)
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-
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-diff --git a/configure.ac b/configure.ac
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-index 31b0985..2dbecd9 100644
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---- a/configure.ac
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-+++ b/configure.ac
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-@@ -88,11 +88,35 @@ AS_CASE([$enable_glx],
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- [AC_MSG_ERROR([Invalid value "$enable_glx" for option "--enable-glx"])]
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- ])
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-
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--# The remaining platform specific API for GL/GLES are enabled
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--# depending on the platform we're building for
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-+AC_ARG_ENABLE([egl],
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-+ [AC_HELP_STRING([--enable-egl=@<:@auto,yes,no@:>@], [Enable EGL support @<:@default=auto@:>@])],
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-+ [enable_egl=$enableval],
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-+ [enable_egl=auto])
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-+
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-+AS_CASE([$enable_egl],
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-+ [auto], [
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-+ AS_CASE([$host_os],
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-+ [mingw*], [build_egl=no],
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-+ [darwin*], [build_egl=no],
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-+ [android*], [build_egl=no],
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-+ [build_egl=yes])
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-+ ],
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-+
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-+ [yes], [
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-+ build_egl=yes
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-+ ],
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-+
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-+ [no], [
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-+ build_egl=no
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-+ ],
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-+
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-+ [AC_MSG_ERROR([Invalid value "$enable_egl" for option "--enable-egl"])]
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-+])
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-+
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-+# The remaining platform specific API are enabled depending on the
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-+# platform we're building for
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- AS_CASE([$host_os],
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- [mingw*], [
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-- build_egl=no
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- build_wgl=yes
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- has_znow=yes
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- # On windows, the DLL has to have all of its functions
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-@@ -108,7 +132,6 @@ AS_CASE([$host_os],
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- ],
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-
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- [darwin*], [
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-- build_egl=no
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- build_wgl=no
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- build_apple=yes
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- has_znow=no
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-@@ -116,7 +139,6 @@ AS_CASE([$host_os],
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- ],
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-
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- [
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-- build_egl=yes
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- build_wgl=no
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- has_znow=yes
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- # On platforms with dlopen, we load everything dynamically and
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-@@ -131,6 +153,7 @@ AM_CONDITIONAL(BUILD_EGL, test x$build_egl = xyes)
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- if test x$build_egl = xyes; then
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- PKG_CHECK_MODULES(EGL, [egl])
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- AC_DEFINE([BUILD_EGL], [1], [build EGL tests])
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-+ AC_DEFINE(ENABLE_EGL, [1], [Whether EGL support is enabled])
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- fi
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-
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- AM_CONDITIONAL(BUILD_GLX, test x$build_glx = xyes)
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-diff --git a/meson.build b/meson.build
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-index 5435f45..226152e 100644
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---- a/meson.build
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-+++ b/meson.build
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-@@ -51,26 +51,41 @@ elif enable_glx == 'no'
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- build_glx = false
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- endif
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-
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-+enable_egl = get_option('enable-egl')
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-+if enable_egl == 'auto'
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-+ if host_system == 'windows'
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-+ build_egl = false
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-+ elif host_system == 'darwin'
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-+ build_egl = false
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-+ elif host_system == 'android'
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-+ build_egl = false
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-+ else
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-+ build_egl = true
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-+ endif
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-+elif enable_egl == 'yes'
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-+ build_egl = true
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-+elif enable_egl == 'no'
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-+ build_egl = false
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-+endif
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-+
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- # The remaining platform specific API for GL/GLES are enabled
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- # depending on the platform we're building for
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- if host_system == 'windows'
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-- build_egl = false
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- build_apple = false
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- build_wgl = true
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- has_znow = true
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- elif host_system == 'darwin'
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-- build_egl = false
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- build_apple = true
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- build_wgl = false
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- has_znow = false
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- else
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-- build_egl = true
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- build_apple = false
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- build_wgl = false
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- has_znow = true
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- endif
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-
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- conf.set10('ENABLE_GLX', build_glx)
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-+conf.set10('ENABLE_EGL', build_egl)
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-
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- # Compiler flags, taken from the Xorg macros
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- if cc.get_id() == 'msvc'
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-diff --git a/meson_options.txt b/meson_options.txt
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-index 18932f5..244476a 100644
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---- a/meson_options.txt
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-+++ b/meson_options.txt
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-@@ -6,3 +6,8 @@ option('enable-glx',
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- choices: [ 'auto', 'yes', 'no' ],
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- value: 'auto',
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- description: 'Enable GLX support')
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-+option('enable-egl',
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-+ type: 'combo',
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-+ choices: [ 'auto', 'yes', 'no' ],
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-+ value: 'auto',
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-+ description: 'Enable EGL support')
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-diff --git a/src/dispatch_common.h b/src/dispatch_common.h
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-index e3277f7..e16771f 100644
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---- a/src/dispatch_common.h
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-+++ b/src/dispatch_common.h
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-@@ -24,19 +24,19 @@
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- #include "config.h"
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-
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- #ifdef _WIN32
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--#define PLATFORM_HAS_EGL 0
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-+#define PLATFORM_HAS_EGL ENABLE_EGL
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- #define PLATFORM_HAS_GLX ENABLE_GLX
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- #define PLATFORM_HAS_WGL 1
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- #elif defined(__APPLE__)
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--#define PLATFORM_HAS_EGL 0
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-+#define PLATFORM_HAS_EGL ENABLE_EGL
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- #define PLATFORM_HAS_GLX ENABLE_GLX
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- #define PLATFORM_HAS_WGL 0
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- #elif defined(ANDROID)
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--#define PLATFORM_HAS_EGL 1
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-+#define PLATFORM_HAS_EGL ENABLE_EGL
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- #define PLATFORM_HAS_GLX 0
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- #define PLATFORM_HAS_WGL 0
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- #else
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--#define PLATFORM_HAS_EGL 1
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-+#define PLATFORM_HAS_EGL ENABLE_EGL
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- #define PLATFORM_HAS_GLX ENABLE_GLX
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- #define PLATFORM_HAS_WGL 0
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- #endif
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---
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-2.7.4
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-
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