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Brute force debugging

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This commit is contained in:
hodasemi 2018-11-28 12:19:51 +01:00
parent 5cbd74c93d
commit a6705f6e6e
3 changed files with 57 additions and 5 deletions
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4
exercise2/include/Viewer.h
View file

@ -8,7 +8,7 @@
#include <gui/GLShader.h>
#include <gui/GLBuffer.h>
#include <gui/GLVertexArray.h>
#include "timer.h"
class Viewer : public nse::gui::AbstractViewer
{
public:
@ -23,6 +23,8 @@ class Viewer : public nse::gui::AbstractViewer
private:
void RenderSky();
Counter counter;
Eigen::Matrix4f view, proj;
nse::gui::GLShader skyShader;

44
exercise2/include/timer.h Normal file
View file

@ -0,0 +1,44 @@
#pragma once
#include <ctime>
#include <iostream>
#include <ratio>
#include <chrono>
typedef std::chrono::duration<int, std::milli> milliseconds_type;
class Counter {
private:
int max;
int n;
std::chrono::_V2::system_clock::time_point last_time;
milliseconds_type update_interval;
public:
Counter(int max, float interval)
: max(max), update_interval((int)(interval * 1000.0f))
{
last_time = std::chrono::high_resolution_clock::now();
n = 0;
}
~Counter() {}
int get_counter() {
auto new_time = std::chrono::high_resolution_clock::now();
milliseconds_type time_difference = std::chrono::duration_cast<milliseconds_type>(new_time - last_time);
if (time_difference.count() >= update_interval.count()) {
last_time += update_interval;
n++;
if (n >= max) {
n = n - max;
abort();
}
}
return n;
}
};

14
exercise2/src/Viewer.cpp
View file

@ -27,14 +27,16 @@
#define Eigen::Vector2f vec2
*/
constexpr bool REFERENCE = true;
constexpr uint32_t PATCH_SIZE = 256; //number of vertices along one side of the terrain patch
constexpr bool REFERENCE = false;
constexpr uint32_t PATCH_SIZE = 32; //number of vertices along one side of the terrain patch
constexpr int elements = PATCH_SIZE * 12;
Viewer::Viewer()
: AbstractViewer("CG1 Exercise 2"),
terrainPositions(nse::gui::VertexBuffer), terrainIndices(nse::gui::IndexBuffer),
offsetBuffer(nse::gui::VertexBuffer),
referenceVB(nse::gui::VertexBuffer), referenceIB(nse::gui::IndexBuffer)
referenceVB(nse::gui::VertexBuffer), referenceIB(nse::gui::IndexBuffer),
counter(elements, 0.5)
{
LoadShaders();
CreateGeometry();
@ -381,7 +383,11 @@ void Viewer::drawContents()
}
else
{
glPrimitiveRestartIndex(PATCH_SIZE * 2);
int n = counter.get_counter();
std::cout << "current n: " << n << std::endl;
glPrimitiveRestartIndex(n);
glDrawElements(GL_TRIANGLE_STRIP, (PATCH_SIZE - 1) * PATCH_SIZE * 2, GL_UNSIGNED_INT, 0);
}