void OpenGLBatch::draw(){
unsigned int i, nFormats = formats.getCount();
if (GL_ARB_vertex_buffer_object_supported && vertexBuffer != 0){
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vertexBuffer);
}
for (i = 0; i < nFormats; i++){
Format format = formats[i];
GLenum type = getGLType(format.attFormat);
GLenum array = arrayType[format.attType];
char *basePointer = (vertexBuffer != 0)? NULL : vertices;
switch (format.attType){
case ATT_VERTEX:
glVertexPointer(format.size, type, vertexSize, basePointer + format.offset);
break;
case ATT_NORMAL:
glNormalPointer(type, vertexSize, basePointer + format.offset);
break;
case ATT_TEXCOORD:
glClientActiveTextureARB(GL_TEXTURE0_ARB + format.index);
glTexCoordPointer(format.size, type, vertexSize, basePointer + format.offset);
break;
case ATT_COLOR:
glColorPointer(format.size, type, vertexSize, basePointer + format.offset);
break;
}
glEnableClientState(array);
}
if (nIndices == 0){
glDrawArrays(getGLPrimitive(primitiveType), 0, nVertices);
} else {
if (indexBuffer != 0) glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, indexBuffer);
glDrawElements(getGLPrimitive(primitiveType), nIndices, indexSize == 2? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (indexBuffer != 0)? NULL : indices);
if (indexBuffer != 0) glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
}
for (i = 0; i < nFormats; i++){
if (formats[i].attType == ATT_TEXCOORD){
glClientActiveTextureARB(GL_TEXTURE0_ARB + formats[i].index);
}
glDisableClientState(arrayType[formats[i].attType]);
}
if (GL_ARB_vertex_buffer_object_supported && vertexBuffer != 0){
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
}
void Renderer::drawIndexed(Geometry::PrimitiveType ePrimitiveType, unsigned int uIndexCount, unsigned int uIndexOffset)
{
glDrawElements(getGLPrimitive(ePrimitiveType), uIndexCount, GL_UNSIGNED_INT, (const GLvoid*) uIndexOffset);
}
