[PATCH] wined3d: Don't enable GL_EXT_geometry_shader4 on OpenGL >3.1

[Zach Mertes]

GL_EXT_geometry_shader4's features are intrinsically enabled on OpenGL
3.1 and newer.
Enabling it past 3.1 causes an annoying GLSL warning.

Tested on Arch Linux

Signed-off-by: Zeke Sonxx <zeke at zekesonxx.com>
---
 dlls/wined3d/glsl_shader.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 5b485ef5aa..04220fcfe0 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -7249,7 +7249,8 @@ static void shader_glsl_enable_extensions(struct
wined3d_string_buffer *buffer,
         shader_addline(buffer, "#extension
GL_ARB_texture_query_levels : enable\n");
     if (gl_info->supported[ARB_UNIFORM_BUFFER_OBJECT])
         shader_addline(buffer, "#extension
GL_ARB_uniform_buffer_object : enable\n");
-    if (gl_info->supported[EXT_GEOMETRY_SHADER4])
+    if (gl_info->supported[EXT_GEOMETRY_SHADER4] &&
+        gl_info->selected_gl_version >= MAKEDWORD_VERSION(3, 1))
         shader_addline(buffer, "#extension GL_EXT_geometry_shader4 :
enable\n");
     if (gl_info->supported[EXT_GPU_SHADER4])
         shader_addline(buffer, "#extension GL_EXT_gpu_shader4 : enable\n");
-- 
2.13.1