+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, type);
+ return 0;
+ }
+}
+
+static inline size_t
+__glArrayPointer_size(GLint size, GLenum type, GLsizei stride, GLsizei maxIndex)
+{
+ size_t elementSize = size*__gl_type_size(type);
+ if (!stride) {
+ stride = (GLsizei)elementSize;
+ }
+ return stride*maxIndex + elementSize;
+}
+
+#define __glVertexPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+#define __glNormalPointer_size(type, stride, maxIndex) __glArrayPointer_size(3, type, stride, maxIndex)
+#define __glColorPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+#define __glIndexPointer_size(type, stride, maxIndex) __glArrayPointer_size(1, type, stride, maxIndex)
+#define __glTexCoordPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+#define __glEdgeFlagPointer_size(stride, maxIndex) __glArrayPointer_size(1, GL_BOOL, stride, maxIndex)
+#define __glFogCoordPointer_size(type, stride, maxIndex) __glArrayPointer_size(1, type, stride, maxIndex)
+#define __glSecondaryColorPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+#define __glVertexAttribPointer_size(size, type, normalized, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+
+static inline GLuint
+__glDrawArrays_maxindex(GLint first, GLsizei count)
+{
+ return first + count - 1;
+}
+
+static inline GLuint
+__glDrawElements_maxindex(GLsizei count, GLenum type, const GLvoid *indices)
+{
+ GLvoid *temp = 0;
+ GLint __element_array_buffer = 0;
+ __glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);
+ if (__element_array_buffer) {
+ // Read indices from index buffer object
+ GLintptr offset = (GLintptr)indices;
+ GLsizeiptr size = count*__gl_type_size(type);
+ GLvoid *temp = malloc(size);
+ if (!temp) {
+ return 0;
+ }
+ memset(temp, 0, size);
+ __glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, offset, size, temp);
+ indices = temp;
+ } else {
+ if (!indices) {
+ return 0;
+ }