Added LOC_MATRIX_MODEL and LOC_VECTOR_VIEW to difference it from LOC_MATRIX_VIEW (view matrix)

src/models.c

@@ -1319,6 +1319,7 @@ Material LoadMaterialPBR(Texture2D hdr, Color albedo, float metalness, float rou
     mat.shader.locs[LOC_TEXMAP_BRDF] = GetShaderLocation(mat.shader, "brdfLUT");
 
     // Set view matrix location
+    mat.shader.locs[LOC_MATRIX_MODEL] = GetShaderLocation(mat.shader, "mMatrix");
     mat.shader.locs[LOC_MATRIX_VIEW] = GetShaderLocation(mat.shader, "view");
     mat.shader.locs[LOC_VECTOR_VIEW] = GetShaderLocation(mat.shader, "viewPos");
 

src/raylib.h

@@ -534,6 +534,7 @@ typedef enum {
     LOC_VERTEX_TANGENT,
     LOC_VERTEX_COLOR,
     LOC_MATRIX_MVP,
+    LOC_MATRIX_MODEL,
     LOC_MATRIX_VIEW,
     LOC_MATRIX_PROJECTION,
     LOC_VECTOR_VIEW,

src/rlgl.c

@@ -2378,7 +2378,7 @@ void rlDrawMesh(Mesh mesh, Material material, Matrix transform)
     //-----------------------------------------------------
     
     // Calculate and send to shader model matrix (used by PBR shader)
-    SetShaderValueMatrix(material.shader, GetShaderLocation(material.shader, "mMatrix"), transform);
+    SetShaderValueMatrix(material.shader, material.shader.locs[LOC_MATRIX_MODEL], transform);
     
     
     // Upload to shader material.colDiffuse

src/rlgl.h

@@ -154,6 +154,7 @@ typedef unsigned char byte;
         LOC_VERTEX_TANGENT,
         LOC_VERTEX_COLOR,
         LOC_MATRIX_MVP,
+        LOC_MATRIX_MODEL,
         LOC_MATRIX_VIEW,
         LOC_MATRIX_PROJECTION,
         LOC_VECTOR_VIEW,