GPU: Rename gpu_extensions to gpu_capabilities

This makes more sense as this module has more to it than just
GL extensions.

source/blender/gpu/opengl/gl_backend.cc

@@ -23,7 +23,7 @@
 
 #include "BKE_global.h"
 
-#include "gpu_extensions_private.hh"
+#include "gpu_capabilities_private.hh"
 #include "gpu_platform_private.hh"
 
 #include "glew-mx.h"

source/blender/gpu/opengl/gl_batch.cc

@@ -29,8 +29,6 @@
 
 #include "glew-mx.h"
 
-#include "GPU_extensions.h"
-
 #include "gpu_batch_private.hh"
 #include "gpu_shader_private.hh"
 

source/blender/gpu/opengl/gl_drawlist.cc

@@ -27,7 +27,7 @@
 #include "BLI_assert.h"
 
 #include "GPU_batch.h"
-#include "GPU_extensions.h"
+#include "GPU_capabilities.h"
 
 #include "glew-mx.h"
 

source/blender/gpu/opengl/gl_framebuffer.cc

@@ -23,7 +23,7 @@
 
 #include "BKE_global.h"
 
-#include "GPU_extensions.h"
+#include "GPU_capabilities.h"
 
 #include "gl_backend.hh"
 #include "gl_framebuffer.hh"

source/blender/gpu/opengl/gl_shader.cc

@@ -25,7 +25,6 @@
 
 #include "BLI_string.h"
 
-#include "GPU_extensions.h"
 #include "GPU_platform.h"
 
 #include "gl_backend.hh"

source/blender/gpu/opengl/gl_state.cc

@@ -25,7 +25,7 @@
 #include "BLI_math_base.h"
 #include "BLI_math_bits.h"
 
-#include "GPU_extensions.h"
+#include "GPU_capabilities.h"
 
 #include "glew-mx.h"
 

source/blender/gpu/opengl/gl_texture.cc

@@ -25,7 +25,7 @@
 
 #include "DNA_userdef_types.h"
 
-#include "GPU_extensions.h"
+#include "GPU_capabilities.h"
 #include "GPU_framebuffer.h"
 #include "GPU_platform.h"
 

source/blender/gpu/opengl/gl_uniform_buffer.cc

@@ -25,8 +25,6 @@
 
 #include "BLI_string.h"
 
-#include "GPU_extensions.h"
-
 #include "gpu_backend.hh"
 #include "gpu_context_private.hh"