command_buffer: Implement EXT_blend_func_extended

ui/gl/generate_bindings.py

Index: ui/gl/generate_bindings.py
diff --git a/ui/gl/generate_bindings.py b/ui/gl/generate_bindings.py
index d5019b8b8feffdd6aeefc8d63c0b21041ed84b2a..c1d08a05d5f2b47caa75eee5dd09cca77a928e01 100755
--- a/ui/gl/generate_bindings.py
+++ b/ui/gl/generate_bindings.py
@@ -79,12 +79,19 @@ GL_FUNCTIONS = [
   'arguments': 'GLenum target, GLuint index, GLuint buffer, GLintptr offset, '
                'GLsizeiptr size', },
 { 'return_type': 'void',
-  'names': ['glBindFragDataLocation'],
+  'versions': [{ 'name': 'glBindFragDataLocation',
+                 'extensions': ['GL_ARB_blend_func_extended'] },
+               { 'name': 'glBindFragDataLocationEXT',
+                 'extensions': ['GL_EXT_blend_func_extended'] }],
   'arguments': 'GLuint program, GLuint colorNumber, const char* name', },
 { 'return_type': 'void',
-  'names': ['glBindFragDataLocationIndexed'],
+  'versions': [{ 'name': 'glBindFragDataLocationIndexed',
+                 'extensions': ['GL_ARB_blend_func_extended'] },
+               { 'name': 'glBindFragDataLocationIndexedEXT',
+                 'extensions': ['GL_EXT_blend_func_extended'] }],
   'arguments':
-      'GLuint program, GLuint colorNumber, GLuint index, const char* name', },
+      'GLuint program, GLuint colorNumber, GLuint index, const char* name',
+},
 { 'return_type': 'void',
   'names': ['glBindFramebufferEXT', 'glBindFramebuffer'],
   'arguments': 'GLenum target, GLuint framebuffer', },
@@ -543,6 +550,12 @@ GL_FUNCTIONS = [
   'names': ['glGetFloatv'],
   'arguments': 'GLenum pname, GLfloat* params', },
 { 'return_type': 'GLint',
+  'versions': [{'name': 'glGetFragDataIndex',
+                'extensions': ['GL_ARB_blend_func_extended']},
+               {'name': 'glGetFragDataIndexEXT',
+                'extensions': ['GL_EXT_blend_func_extended']}],
+  'arguments': 'GLuint program, const char* name', },
+{ 'return_type': 'GLint',
   'versions': [{ 'name': 'glGetFragDataLocation' }],
   'arguments': 'GLuint program, const char* name', },
 { 'return_type': 'void',