Fixed more warnings in DrawMesh

ACG/GL/globjects.cc

@@ -797,7 +797,7 @@ TextureBuffer::~TextureBuffer() {
 }
 
 void TextureBuffer::setBufferData(
-        int _size, const void* _data, GLenum _internalFormat, GLenum _usage) {
+        size_t _size, const void* _data, GLenum _internalFormat, GLenum _usage) {
 #if defined(GL_ARB_texture_buffer_object)
   if (supportsTextureBuffer()) {
     // setup buffer object
@@ -805,7 +805,7 @@ void TextureBuffer::setBufferData(
         glGenBuffers(1, &buffer_);
 
     glBindBuffer(GL_TEXTURE_BUFFER, buffer_);
-    glBufferData(GL_TEXTURE_BUFFER, _size, _data, _usage);
+    glBufferData(GL_TEXTURE_BUFFER, static_cast<GLsizei>(_size), _data, _usage);
 
     usage_ = _usage;
     fmt_ = _internalFormat;

ACG/GL/globjects.hh

@@ -530,9 +530,9 @@ public:
   // _data  buffer data
   // _internalFormat format of buffer - http://www.opengl.org/sdk/docs/man3/xhtml/glTexBuffer.xml
   // _usage buffer usage hint - https://www.opengl.org/sdk/docs/man3/xhtml/glBufferData.xml
-  void setBufferData(int _size, const void* _data, GLenum _internalFormat, GLenum _usage = GL_STATIC_DRAW);
+  void setBufferData(size_t _size, const void* _data, GLenum _internalFormat, GLenum _usage = GL_STATIC_DRAW);
 
-  int getBufferSize() const {return bufferSize_;}
+  size_t getBufferSize() const {return bufferSize_;}
 
   GLuint getBufferId() const {return buffer_;}
 
@@ -547,7 +547,7 @@ public:
 
 private:
 
-  int bufferSize_;
+  size_t bufferSize_;
   GLuint buffer_;
   GLenum usage_;
   GLenum fmt_;