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Eliminates the dead stuff of CRTConstants.hpp.

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Thomas Harte
2019-01-25 19:11:39 -05:00
committed by Thomas Harte
parent 6a93d2d006
commit 20b4896940
2 changed files with 0 additions and 54 deletions
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Outputs/CRT/Internals/CRTConstants.hpp
-52
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@@ -1,52 +0,0 @@
//
// 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 GLsizei OutputVertexOffsetOfHorizontal = 0;
const GLsizei OutputVertexOffsetOfVertical = 4;
const GLsizei OutputVertexSize = 8;
// 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 GLsizei SourceVertexOffsetOfInputStart = 0;
const GLsizei SourceVertexOffsetOfOutputStart = 4;
const GLsizei SourceVertexOffsetOfEnds = 8;
const GLsizei SourceVertexOffsetOfPhaseTimeAndAmplitude = 12;
const GLsizei SourceVertexSize = 16;
// These constants hold the size of the rolling buffer to which the CPU writes
const GLsizei InputBufferBuilderWidth = 2048;
const GLsizei InputBufferBuilderHeight = 512;
// This is the size of the intermediate buffers used during composite to RGB conversion
const GLsizei IntermediateBufferWidth = 2048;
const GLsizei IntermediateBufferHeight = 512;
// Some internal buffer sizes
const GLsizeiptr OutputVertexBufferDataSize = OutputVertexSize * IntermediateBufferHeight; // i.e. the maximum number of scans of output that can be created between draws
const GLsizeiptr SourceVertexBufferDataSize = SourceVertexSize * IntermediateBufferHeight * 10; // (the maximum number of scans) * conservative, high guess at a maximumum number of events likely to occur within a scan
// TODO: when SourceVertexBufferDataSize is exhausted, the CRT keeps filling OutputVertexBufferDataSize regardless,
// leading to empty scanlines that nevertheless clear old contents.
}
}
#endif /* CRTContants_h */