Exposed ARB_clip_control extension.

src/glimports.h

@@ -65,6 +65,7 @@ typedef void           (GL_APIENTRYP PFNGLCLEARCOLORPROC) (GLfloat red, GLfloat
 typedef void           (GL_APIENTRYP PFNGLCLEARDEPTHPROC) (GLdouble d);
 typedef void           (GL_APIENTRYP PFNGLCLEARDEPTHFPROC) (GLfloat d);
 typedef void           (GL_APIENTRYP PFNGLCLEARSTENCILPROC) (GLint s);
+typedef void           (GL_APIENTRYP PFNGLCLIPCONTROLPROC) (GLenum origin, GLenum depth);
 typedef void           (GL_APIENTRYP PFNGLCOLORMASKPROC) (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
 typedef void           (GL_APIENTRYP PFNGLCOMPILESHADERPROC) (GLuint shader);
 typedef void           (GL_APIENTRYP PFNGLCOMPRESSEDTEXIMAGE2DPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
@@ -249,6 +250,7 @@ GL_IMPORT______(false, PFNGLCLEARPROC,                             glClear);
 GL_IMPORT______(true,  PFNGLCLEARBUFFERFVPROC,                     glClearBufferfv);
 GL_IMPORT______(false, PFNGLCLEARCOLORPROC,                        glClearColor);
 GL_IMPORT______(false, PFNGLCLEARSTENCILPROC,                      glClearStencil);
+GL_IMPORT______(true,  PFNGLCLIPCONTROLPROC,                       glClipControl);
 GL_IMPORT______(false, PFNGLCOLORMASKPROC,                         glColorMask);
 GL_IMPORT______(false, PFNGLCOMPILESHADERPROC,                     glCompileShader);
 GL_IMPORT______(false, PFNGLCOMPRESSEDTEXIMAGE2DPROC,              glCompressedTexImage2D);

src/renderer_gl.cpp

@@ -465,6 +465,7 @@ namespace bgfx { namespace gl
 			APPLE_texture_format_BGRA8888,
 			APPLE_texture_max_level,
 
+			ARB_clip_control,
 			ARB_compute_shader,
 			ARB_conservative_depth,
 			ARB_copy_image,
@@ -674,6 +675,7 @@ namespace bgfx { namespace gl
 		{ "APPLE_texture_format_BGRA8888",         false,                             true  },
 		{ "APPLE_texture_max_level",               false,                             true  },
 
+		{ "ARB_clip_control",                      BGFX_CONFIG_RENDERER_OPENGL >= 43, true  },
 		{ "ARB_compute_shader",                    BGFX_CONFIG_RENDERER_OPENGL >= 43, true  },
 		{ "ARB_conservative_depth",                BGFX_CONFIG_RENDERER_OPENGL >= 42, true  },
 		{ "ARB_copy_image",                        BGFX_CONFIG_RENDERER_OPENGL >= 42, true  },