math: add shortcuts and syntax colouring for mat3x4, mat3x2, etc.

src/lol/math/vector.h

@@ -83,7 +83,7 @@ private:
 };
 
 /* The generic "matrix" type, which is a fixed-size matrix */
-template<int ROWS, int COLS, typename T>
+template<int COLS, int ROWS, typename T>
 struct matrix
 {
 private:
@@ -123,6 +123,13 @@ LOL_VECTOR_TYPEDEFS(matrix<2 COMMA 2 COMMA, >, mat2)
 LOL_VECTOR_TYPEDEFS(matrix<3 COMMA 3 COMMA, >, mat3)
 LOL_VECTOR_TYPEDEFS(matrix<4 COMMA 4 COMMA, >, mat4)
 
+LOL_VECTOR_TYPEDEFS(matrix<2 COMMA 3 COMMA, >, mat2x3)
+LOL_VECTOR_TYPEDEFS(matrix<2 COMMA 4 COMMA, >, mat2x4)
+LOL_VECTOR_TYPEDEFS(matrix<3 COMMA 2 COMMA, >, mat3x2)
+LOL_VECTOR_TYPEDEFS(matrix<3 COMMA 4 COMMA, >, mat3x4)
+LOL_VECTOR_TYPEDEFS(matrix<4 COMMA 2 COMMA, >, mat4x2)
+LOL_VECTOR_TYPEDEFS(matrix<4 COMMA 3 COMMA, >, mat4x3)
+
 LOL_VECTOR_TYPEDEFS(Cmplx<, >, cmplx)
 LOL_VECTOR_TYPEDEFS(Quat<, >, quat)
 
@@ -138,6 +145,12 @@ typedef vec4 float4;
 typedef mat2 float2x2;
 typedef mat3 float3x3;
 typedef mat4 float4x4;
+typedef mat2x3 float2x3;
+typedef mat2x4 float2x4;
+typedef mat3x2 float3x2;
+typedef mat3x4 float3x4;
+typedef mat4x2 float4x2;
+typedef mat4x3 float4x3;
 
 typedef ivec2 int2;
 typedef ivec3 int3;
@@ -145,6 +158,12 @@ typedef ivec4 int4;
 typedef imat2 int2x2;
 typedef imat3 int3x3;
 typedef imat4 int4x4;
+typedef imat2x3 int2x3;
+typedef imat2x4 int2x4;
+typedef imat3x2 int3x2;
+typedef imat3x4 int3x4;
+typedef imat4x2 int4x2;
+typedef imat4x3 int4x3;
 
 /*
  * Helper macros for vector type member functions
@@ -1420,8 +1439,10 @@ LOL_SWIZZLE_V_VV_FUN(fmod)
 #undef LOL_SWIZZLE_V_VV_FUN
 
 /*
- * vec clamp(vec, vec|scalar, vec|scalar)
- * vec mix(vec, vec, vec|scalar)
+ * vec clamp(vec, vec, vec)
+ * vec clamp(vec, scalar, vec)
+ * vec clamp(vec, vec, scalar)
+ * vec clamp(vec, scalar, scalar)
  */
 
 template<int N, int MASK1, int MASK2, int MASK3, typename T>
@@ -1456,6 +1477,11 @@ static inline vec<N,T> clamp(vec<N,T,MASK1> const &x,
     return max(min(x, b), a);
 }
 
+/*
+ * vec mix(vec, vec, vec)
+ * vec mix(vec, vec, scalar)
+ */
+
 template<int N, int MASK1, int MASK2, int MASK3, typename T>
 static inline vec<N,T> mix(vec<N,T,MASK1> const &x,
                            vec<N,T,MASK2> const &y,

tools/vimlol/vimlol.vim

@@ -22,27 +22,13 @@ au Syntax cpp
 
 " GLSL types and the Lol Engine extensions
 au Syntax cpp
-   \ syn keyword cType
-   \ f16vec2 f16cmplx f16vec3 f16vec4 f16quat f16mat2 f16mat3 f16mat4
-   \ vec2 cmplx vec3 vec4 quat mat2 mat3 mat4
-   \ f64vec2 f64cmplx f64vec3 f64vec4 f64quat f64mat2 f64mat3 f64mat4
-   \ f128vec2 f128cmplx f128vec3 f128vec4 f128quat f128mat2 f128mat3 f128mat4
-   \ rvec2 rcmplx rvec3 rvec4 rquat rmat2 rmat3 rmat4
-   \
-   \ i8vec2 i8cmplx i8vec3 i8vec4 i8quat i8mat2 i8mat3 i8mat4
-   \ u8vec2 u8cmplx u8vec3 u8vec4 u8quat u8mat2 u8mat3 u8mat4
-   \ i16vec2 i16cmplx i16vec3 i16vec4 i16quat i16mat2 i16mat3 i16mat4
-   \ u16vec2 u16cmplx u16vec3 u16vec4 u16quat u16mat2 u16mat3 u16mat4
-   \ ivec2 icmplx ivec3 ivec4 iquat imat2 imat3 imat4
-   \ uvec2 ucmplx uvec3 uvec4 uquat umat2 umat3 umat4
-   \ i64vec2 i64cmplx i64vec3 i64vec4 i64quat i64mat2 i64mat3 i64mat4
-   \ u64vec2 u64cmplx u64vec3 u64vec4 u64quat u64mat2 u64mat3 u64mat4
+   \ syn match cType
+   \ "\<\(f16\|\|f64\|f128\|r\|[iu]\(8\|16\|\|64\)\)\(vec[234]\|cmplx\|quat\|mat\([234]\|2x3\|3x2\|3x4\|4x3\|2x4\|4x2\)\)\>"
 
 " HLSL types
 au Syntax cpp
-   \ syn keyword cType
-   \ int2 int3 int4 int2x2 int3x3 int4x4
-   \ float2 float3 float4 float2x2 float3x3 float4x4
+   \ syn match cType
+   \ "\<\(int\|float\)[234]\(\|x[234]\)\>"
 
 " More GLSL-like types from the Lol Engine
 au Syntax cpp