[Mesa-dev] [PATCH] scons: Add option to enable floating-point textures.

[Vinson Lee]

Signed-off-by: Vinson Lee <vlee at freedesktop.org>
---
 common.py        | 1 +
 scons/gallium.py | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/common.py b/common.py
index 6121a41..6ff9608 100644
--- a/common.py
+++ b/common.py
@@ -98,5 +98,6 @@ def AddOptions(opts):
 	opts.Add(BoolOption('debug', 'DEPRECATED: debug build', 'yes'))
 	opts.Add(BoolOption('profile', 'DEPRECATED: profile build', 'no'))
 	opts.Add(BoolOption('quiet', 'DEPRECATED: profile build', 'yes'))
+	opts.Add(BoolOption('texture_float', 'enable floating-point textures and renderbuffers', 'no'))
 	if host_platform == 'windows':
 		opts.Add(EnumOption('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))
diff --git a/scons/gallium.py b/scons/gallium.py
index f4776d8..8fc17b3 100755
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -298,6 +298,10 @@ def generate(env):
         cppdefines += ['BEOS_THREADS']
     if env['embedded']:
         cppdefines += ['PIPE_SUBSYSTEM_EMBEDDED']
+    if env['texture_float']:
+        print 'warning: Floating-point textures enabled.'
+        print 'warning: Please consult docs/patents.txt with your lawyer before building Mesa.'
+        cppdefines += ['TEXTURE_FLOAT_ENABLED']
     env.Append(CPPDEFINES = cppdefines)
 
     # C compiler options
-- 
1.7.11.1