[Bf-blender-cvs] [3fd89df] master: Fix T45491 not all GPUs support those extensions, use check for opensubdiv to enable.

[Antony Riakiotakis]

Commit: 3fd89df6e7f3cecb108bb604100218e1bea85c63
Author: Antony Riakiotakis
Date:   Thu Aug 20 16:05:24 2015 +0300
Branches: master
https://developer.blender.org/rB3fd89df6e7f3cecb108bb604100218e1bea85c63

Fix T45491 not all GPUs support those extensions, use check for
opensubdiv to enable.

===================================================================

M	source/blender/gpu/intern/gpu_extensions.c

===================================================================

diff --git a/source/blender/gpu/intern/gpu_extensions.c b/source/blender/gpu/intern/gpu_extensions.c
index d9112ac..93966eb 100644
--- a/source/blender/gpu/intern/gpu_extensions.c
+++ b/source/blender/gpu/intern/gpu_extensions.c
@@ -1550,16 +1550,19 @@ static const char *gpu_shader_version(bool use_opensubdiv)
 }
 
 
-static void gpu_shader_standard_extensions(char defines[MAX_EXT_DEFINE_LENGTH])
+static void gpu_shader_standard_extensions(char defines[MAX_EXT_DEFINE_LENGTH], bool use_opensubdiv)
 {
 #ifdef WITH_OPENSUBDIV
-	strcat(defines, "#extension GL_ARB_texture_query_lod: enable\n"
-	                "#extension GL_ARB_gpu_shader5 : enable\n"
-	                "#extension GL_ARB_explicit_attrib_location : require\n");
+	if (use_opensubdiv) {
+		strcat(defines, "#extension GL_ARB_texture_query_lod: enable\n"
+		                "#extension GL_ARB_gpu_shader5 : enable\n"
+		                "#extension GL_ARB_explicit_attrib_location : require\n");
+	}
 #else
 	/* need this extension for high quality bump mapping */
 	if (GPU_bicubic_bump_support())
 		strcat(defines, "#extension GL_ARB_texture_query_lod: enable\n");
+	(void) use_opensubdiv;
 #endif
 
 	if (GPU_geometry_shader_support())
@@ -1719,7 +1722,7 @@ GPUShader *GPU_shader_create(const char *vertexcode, const char *fragcode, const
 	}
 
 	gpu_shader_standard_defines(use_opensubdiv, standard_defines);
-	gpu_shader_standard_extensions(standard_extensions);
+	gpu_shader_standard_extensions(standard_extensions, use_opensubdiv);
 
 	if (vertexcode) {
 		const char *source[5];