Allow texture to be NULL.

src/duskgl/display/mesh/meshgl.c

@@ -141,13 +141,13 @@ errorret_t meshDrawGL(
       MESH_VERTEX_UV_SIZE,
       GL_FLOAT,
       stride,
-      (const GLvoid*)&mesh->vertices[offset].uv
+      (const GLvoid*)&mesh->vertices[offset].uv[0]
     );
     glVertexPointer(
       MESH_VERTEX_POS_SIZE,
       GL_FLOAT,
       stride,
-      (const GLvoid*)&mesh->vertices[offset].pos
+      (const GLvoid*)&mesh->vertices[offset].pos[0]
     );
 
     // Shader may have model matrix here
@@ -155,7 +155,8 @@ errorret_t meshDrawGL(
       errorChain(shaderLegacyMatrixUpdate());
     #endif
     
-    glDrawArrays(mesh->primitiveType, offset, count);
+    // glDrawArrays(mesh->primitiveType, offset, count);
+    glDrawArrays(mesh->primitiveType, 0, count);
     errorChain(errorGLCheck());
   #else
     // Modern VAO/VBO rendering
@@ -183,5 +184,6 @@ errorret_t meshDisposeGL(meshgl_t *mesh) {
     glDeleteVertexArrays(1, &mesh->vaoId);
     errorChain(errorGLCheck());
   #endif
+  
   errorOk();
 }