public TextOutput (
TextVertexBuffer textBuffer,
DrawElementsIndirectCommand[] drawCommands,
SentanceBlockStorageBuffer storage)
{
TextBuffer = textBuffer;
DrawCommands = drawCommands;
Storage = storage;
Stride = System.Runtime.InteropServices.Marshal.SizeOf (typeof(DrawElementsIndirectCommand));
}
static TextVertexBuffer PopulateBuffers (int vertexBuffer, int drawIDBuffer, int elementBuffer)
{
const int POSITION = 0;
const int IN_TEXTURE = 1;
const int DRAW_ID = 2;
int offset = 0;
/// VERTEX
//vbo = GL.GenVertexArray();
//GL.BindVertexArray (vbo);
//CheckGLError ();
int elementCount = 3;
int size = elementCount * sizeof(float);
int location = POSITION;
var vbo = new TextVertexBuffer ();
vbo.in_position.Buffer = vertexBuffer;
vbo.in_position.Location = location;
vbo.in_position.Elements = elementCount;
vbo.in_position.Offset = (IntPtr)offset;
offset += size;
elementCount = 2;
size = elementCount * sizeof(float);
location = IN_TEXTURE;
vbo.in_texCoords.Buffer = vertexBuffer;
vbo.in_texCoords.Location = location;
vbo.in_texCoords.Elements = elementCount;
vbo.in_texCoords.Offset = (IntPtr)offset;
// SHARED BUFFER AT END
offset += size;
int stride = offset;
vbo.in_position.Stride = stride;
vbo.in_texCoords.Stride = stride;
offset = 0;
stride = sizeof(uint);
elementCount = 1;
size = elementCount * sizeof(uint);
location = DRAW_ID;
vbo.in_drawID.Buffer = drawIDBuffer;
vbo.in_drawID.Location = location;
vbo.in_drawID.Elements = elementCount;
vbo.in_drawID.Stride = stride;
vbo.in_drawID.Offset = (IntPtr)offset;
vbo.in_drawID.Divisor = 1;
vbo.Initialise (elementBuffer);
return vbo;
}
void ReleaseManagedResources()
{
TextBuffer = null;
DrawCommands = null;
Storage = null;
}