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SQCSim2021/tool.cpp

@@ -0,0 +1,67 @@
+#include "tool.h"
+#include "define.h"
+#include <cassert>
+#include <iostream>
+#include <fstream>
+
+bool Tool::LoadTextFile(const std::string& filename, std::string& buffer)
+{
+    std::ifstream f(filename.c_str(), std::ios::binary);
+    if(!f.is_open())
+        return false;
+
+    f.seekg(0, std::ios::end);
+    unsigned int len = f.tellg();
+    f.seekg(0, std::ios::beg);
+
+    char* tmp = new char[len + 1];
+
+    f.read(tmp, len);
+    f.close();
+
+    tmp[len] = 0;
+    buffer = tmp;
+    delete [] tmp;
+
+    return true;
+}
+
+void Tool::CheckGLError(const char* file, int line)
+{
+    GLuint err = glGetError();
+    if (err != GL_NO_ERROR)	
+    {
+        std::cerr << "Opengl error before " << file << "[" << line << "]:" << std::hex << err << "(";
+
+        switch(err)
+        {
+            case GL_INVALID_ENUM:
+                std::cerr << "GL_INVALID_ENUM";
+                break;
+            case GL_INVALID_VALUE:
+                std::cerr << "GL_INVALID_VALUE";
+                break;
+            case GL_INVALID_OPERATION:
+                std::cerr << "GL_INVALID_OPERATION";
+                break;
+            case GL_STACK_OVERFLOW:
+                std::cerr << "GL_STACK_OVERFLOW";
+                break;
+            case GL_STACK_UNDERFLOW:
+                std::cerr << "GL_STACK_UNDERFLOW";
+                break;
+            case GL_OUT_OF_MEMORY:
+                std::cerr << "GL_OUT_OF_MEMORY";
+                break;
+            case GL_TABLE_TOO_LARGE:
+                std::cerr << "GL_TABLE_TOO_LARGE";
+                break;
+            default:
+                std::cerr << "unknown";
+        }
+        std::cerr << ")" << std::endl;
+        std::cerr << "ATTENTION: this error might come from anywhere in the code since the previous call to CHECK_GL_ERROR" << std::endl;
+        exit(1);
+    }
+}
+