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scons: Add support for GLES.

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GLES can be enabled by running scons with

  $ scons gles=yes

When gles=yes is given, the build is changed in three ways.  First,
libmesa.a will be built with FEATURE_ES1 and FEATURE_ES2.  This makes
DRI drivers and libEGL support and advertise GLES support.  Second, GLES
libraries will be created.  They are libGLESv1_CM, libGLESv2, and
libglapi.  Last, libGL or opengl32 will link to libglapi.  This change
is required as _glapi_* will be declared as __declspec(dllimport) in
libmesa.a on windows.  libmesa.a expects those symbols to be defined in
another DLL.  Due to this change to GL, GLES support is marked
experimental.

Note that GLES requires libxml2-python to generate some of its sources.
This commit is contained in:
Chia-I Wu
2011-01-14 17:50:29 +08:00
parent 3f04314ae2
commit bb770af3a5
12 changed files with 228 additions and 9 deletions
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1
common.py
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@@ -90,6 +90,7 @@ def AddOptions(opts):
opts.Add(EnumOption('platform', 'target platform', host_platform,
allowed_values=('linux', 'cell', 'windows', 'winddk', 'wince', 'darwin', 'embedded', 'cygwin', 'sunos5', 'freebsd8')))
opts.Add('toolchain', 'compiler toolchain', default_toolchain)
opts.Add(BoolOption('gles', 'EXPERIMENTAL: enable OpenGL ES support', 'no'))
opts.Add(BoolOption('llvm', 'use LLVM', default_llvm))
opts.Add(BoolOption('debug', 'DEPRECATED: debug build', 'yes'))
opts.Add(BoolOption('profile', 'DEPRECATED: profile build', 'no'))