[Bf-blender-cvs] [27284e4] master: Code cleanup: minor comment improvements

[Nicholas Bishop]

Commit: 27284e4f34d4ee0a79cbb2c4c587058b1bf7a03c
Author: Nicholas Bishop
Date:   Sat Jan 24 13:43:57 2015 +0100
Branches: master
https://developer.blender.org/rB27284e4f34d4ee0a79cbb2c4c587058b1bf7a03c

Code cleanup: minor comment improvements

Reviewed By: campbellbarton

Differential Revision: https://developer.blender.org/D1026

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

M	source/blender/gpu/GPU_material.h
M	source/blender/gpu/intern/gpu_codegen.c
M	source/blender/gpu/intern/gpu_codegen.h

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

diff --git a/source/blender/gpu/GPU_material.h b/source/blender/gpu/GPU_material.h
index cbbc428..a002c98 100644
--- a/source/blender/gpu/GPU_material.h
+++ b/source/blender/gpu/GPU_material.h
@@ -69,6 +69,7 @@ typedef struct GPULamp GPULamp;
 /* Functions to create GPU Materials nodes */
 
 typedef enum GPUType {
+	/* The value indicates the number of elements in each type */
 	GPU_NONE = 0,
 	GPU_FLOAT = 1,
 	GPU_VEC2 = 2,
@@ -76,6 +77,7 @@ typedef enum GPUType {
 	GPU_VEC4 = 4,
 	GPU_MAT3 = 9,
 	GPU_MAT4 = 16,
+
 	GPU_TEX2D = 1002,
 	GPU_SHADOW2D = 1003,
 	GPU_ATTRIB = 3001
diff --git a/source/blender/gpu/intern/gpu_codegen.c b/source/blender/gpu/intern/gpu_codegen.c
index 984e1d6..0484423 100644
--- a/source/blender/gpu/intern/gpu_codegen.c
+++ b/source/blender/gpu/intern/gpu_codegen.c
@@ -64,6 +64,7 @@ static char *glsl_material_library = NULL;
 
 /* structs and defines */
 
+/* Indices match the GPUType enum */
 static const char *GPU_DATATYPE_STR[17] = {"", "float", "vec2", "vec3", "vec4",
 	NULL, NULL, NULL, NULL, "mat3", NULL, NULL, NULL, NULL, NULL, NULL, "mat4"};
 
@@ -160,7 +161,7 @@ static void gpu_parse_functions_string(GHash *hash, char *code)
 				type= GPU_TEX2D;
 
 			if (type) {
-				/* add paramater */
+				/* add parameter */
 				code = gpu_str_skip_token(code, NULL, 0);
 				code = gpu_str_skip_token(code, NULL, 0);
 				function->paramqual[function->totparam]= qual;
diff --git a/source/blender/gpu/intern/gpu_codegen.h b/source/blender/gpu/intern/gpu_codegen.h
index cf9f4cc..abc5650 100644
--- a/source/blender/gpu/intern/gpu_codegen.h
+++ b/source/blender/gpu/intern/gpu_codegen.h
@@ -105,6 +105,8 @@ struct GPUNodeLink {
 	int dynamictype;
 
 	int type;
+
+	/* Refcount */
 	int users;
 
 	struct GPUTexture *dynamictex;
@@ -133,7 +135,7 @@ typedef struct GPUInput {
 	int source;				/* data source */
 
 	int id;					/* unique id as created by code generator */
-	int texid;				/* number for multitexture */
+	int texid;				/* number for multitexture, starting from zero */
 	int attribid;			/* id for vertex attributes */
 	int bindtex;			/* input is responsible for binding the texture? */
 	int definetex;			/* input is responsible for defining the pixel? */