- use static vars and functions where possible.

- use NULL rather than 0 when used as pointers.

3 files changed, 5 insertions, 5 deletions

diff --git a/source/blender/gpu/intern/gpu_codegen.c b/source/blender/gpu/intern/gpu_codegen.c
index 910576fa34e..77498835d57 100644
--- a/source/blender/gpu/intern/gpu_codegen.c
+++ b/source/blender/gpu/intern/gpu_codegen.c
@@ -82,7 +82,7 @@ typedef enum GPUDataSource {
 } GPUDataSource;
 
 static const char* GPU_DATATYPE_STR[17] = {"", "float", "vec2", "vec3", "vec4",
-	0, 0, 0, 0, "mat3", 0, 0, 0, 0, 0, 0, "mat4"};
+	NULL, NULL, NULL, NULL, "mat3", NULL, NULL, NULL, NULL, NULL, NULL, "mat4"};
 
 struct GPUNode {
 	struct GPUNode *next, *prev;
@@ -451,7 +451,7 @@ static int codegen_input_has_texture(GPUInput *input)
 	else if(input->ima)
 		return 1;
 	else
-		return input->tex != 0;
+		return input->tex != NULL;
 }
 
 const char *GPU_builtin_name(GPUBuiltin builtin)
@@ -880,7 +880,7 @@ void GPU_pass_unbind(GPUPass *pass)
 			GPU_texture_unbind(input->tex);
 
 		if (input->ima)
-			input->tex = 0;
+			input->tex = NULL;
 	}
 	
 	GPU_shader_unbind(shader);
diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index 9878d83ff5a..7af5ef6ea14 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -308,7 +308,7 @@ void GPU_set_anisotropic(float value)
 	}
 }
 
-float GPU_get_anisotropic()
+float GPU_get_anisotropic(void)
 {
 	return GTS.anisotropic;
 }
diff --git a/source/blender/gpu/intern/gpu_extensions.c b/source/blender/gpu/intern/gpu_extensions.c
index f6352a96878..c9f1b093b7a 100644
--- a/source/blender/gpu/intern/gpu_extensions.c
+++ b/source/blender/gpu/intern/gpu_extensions.c
@@ -484,7 +484,7 @@ GPUTexture *GPU_texture_create_3D(int w, int h, int depth, float *fpixels)
 	//if (fpixels)
 	//	pixels = GPU_texture_convert_pixels(w*h*depth, fpixels);
 
-	glTexImage3D(tex->target, 0, internalformat, tex->w, tex->h, tex->depth, 0, format, type, 0);
+	glTexImage3D(tex->target, 0, internalformat, tex->w, tex->h, tex->depth, 0, format, type, NULL);
 
 	GPU_print_error("3D glTexImage3D");