mirror of
https://github.com/TomHarte/CLK.git
synced 2024-08-17 07:29:04 +00:00
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
//
|
|
// CRTContants.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 19/03/2016.
|
|
// Copyright © 2016 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#ifndef CRTConstants_h
|
|
#define CRTConstants_h
|
|
|
|
#include "OpenGL.hpp"
|
|
#include <cstddef>
|
|
|
|
namespace Outputs {
|
|
namespace CRT {
|
|
|
|
// Output vertices are those used to copy from an input buffer — whether it describes data that maps directly to RGB
|
|
// or is one of the intermediate buffers that we've used to convert from composite towards RGB.
|
|
const size_t OutputVertexOffsetOfPosition = 0;
|
|
const size_t OutputVertexOffsetOfTexCoord = 4;
|
|
const size_t OutputVertexOffsetOfTimestamp = 8;
|
|
const size_t OutputVertexOffsetOfLateral = 12;
|
|
|
|
const size_t OutputVertexSize = 16;
|
|
|
|
// Input vertices, used only in composite mode, map from the input buffer to temporary buffer locations; such
|
|
// remapping occurs to ensure a continous stream of data for each scan, giving correct out-of-bounds behaviour
|
|
const size_t InputVertexOffsetOfInputPosition = 0;
|
|
const size_t InputVertexOffsetOfOutputPosition = 4;
|
|
const size_t InputVertexOffsetOfPhaseAndAmplitude = 8;
|
|
const size_t InputVertexOffsetOfPhaseTime = 12;
|
|
|
|
const size_t InputVertexSize = 16;
|
|
|
|
// These constants hold the size of the rolling buffer to which the CPU writes
|
|
const int InputBufferBuilderWidth = 2048;
|
|
const int InputBufferBuilderHeight = 1024;
|
|
|
|
// This is the size of the intermediate buffers used during composite to RGB conversion
|
|
const int IntermediateBufferWidth = 2048;
|
|
const int IntermediateBufferHeight = 2048;
|
|
|
|
// Some internal
|
|
const GLsizeiptr InputVertexBufferDataSize = 262080; // a multiple of 6 * OutputVertexSize
|
|
const GLsizeiptr InputTextureBufferDataSize = InputBufferBuilderWidth*InputBufferBuilderHeight;
|
|
|
|
|
|
// Runs are divided discretely by vertical syncs in order to put a usable bounds on the uniform used to track
|
|
// run age; that therefore creates a discrete number of fields that are stored. This number should be the
|
|
// number of historic fields that are required fully to
|
|
const int NumberOfFields = 3;
|
|
|
|
}
|
|
}
|
|
|
|
#endif /* CRTContants_h */
|