Rename some internal buffer enums to better match what they do

src/modules/graphics/vertex.h

@@ -54,15 +54,26 @@ enum BuiltinVertexAttributeFlags
 	ATTRIBFLAG_COLOR = 1 << ATTRIB_COLOR,
 };
 
-enum BufferType
+enum BufferUsage
 {
-	BUFFERTYPE_VERTEX = 0,
-	BUFFERTYPE_INDEX,
-	BUFFERTYPE_TEXEL,
-	BUFFERTYPE_SHADER_STORAGE,
-	BUFFERTYPE_COPY_SOURCE,
-	BUFFERTYPE_COPY_DEST,
-	BUFFERTYPE_MAX_ENUM
+	BUFFERUSAGE_VERTEX = 0,
+	BUFFERUSAGE_INDEX,
+	BUFFERUSAGE_TEXEL,
+	BUFFERUSAGE_SHADER_STORAGE,
+	BUFFERUSAGE_COPY_SOURCE,
+	BUFFERUSAGE_COPY_DEST,
+	BUFFERUSAGE_MAX_ENUM
+};
+
+enum BufferUsageFlags
+{
+	BUFFERUSAGEFLAG_NONE = 0,
+	BUFFERUSAGEFLAG_VERTEX = 1 << BUFFERUSAGE_VERTEX,
+	BUFFERUSAGEFLAG_INDEX = 1 << BUFFERUSAGE_INDEX,
+	BUFFERUSAGEFLAG_TEXEL = 1 << BUFFERUSAGE_TEXEL,
+	BUFFERUSAGEFLAG_SHADER_STORAGE = 1 << BUFFERUSAGE_SHADER_STORAGE,
+	BUFFERUSAGEFLAG_COPY_SOURCE = 1 << BUFFERUSAGE_COPY_SOURCE,
+	BUFFERUSAGEFLAG_COPY_DEST = 1 << BUFFERUSAGE_COPY_DEST,
 };
 
 enum IndexDataType
@@ -98,12 +109,12 @@ enum CullMode
 };
 
 // The expected usage pattern of buffer data.
-enum BufferUsage
+enum BufferDataUsage
 {
-	BUFFERUSAGE_STREAM,
-	BUFFERUSAGE_DYNAMIC,
-	BUFFERUSAGE_STATIC,
-	BUFFERUSAGE_MAX_ENUM
+	BUFFERDATAUSAGE_STREAM,
+	BUFFERDATAUSAGE_DYNAMIC,
+	BUFFERDATAUSAGE_STATIC,
+	BUFFERDATAUSAGE_MAX_ENUM
 };
 
 // Value types used when interfacing with the GPU (vertex and shader data).
@@ -381,9 +392,9 @@ void fillIndices(TriangleIndexMode mode, uint16 vertexStart, uint16 vertexCount,
 void fillIndices(TriangleIndexMode mode, uint32 vertexStart, uint32 vertexCount, uint32 *indices);
 
 STRINGMAP_DECLARE(BuiltinVertexAttribute);
-STRINGMAP_DECLARE(BufferType);
-STRINGMAP_DECLARE(IndexDataType);
 STRINGMAP_DECLARE(BufferUsage);
+STRINGMAP_DECLARE(IndexDataType);
+STRINGMAP_DECLARE(BufferDataUsage);
 STRINGMAP_DECLARE(PrimitiveType);
 STRINGMAP_DECLARE(AttributeStep);
 STRINGMAP_DECLARE(DataFormat);