Attachment 91486 Details for Bug 13978 – Simple Demonstration

Simple Demonstration

main.cpp (text/plain), 1.50 KB, created by Benjamin Botwin on 2014-01-04 14:54:24 UTC

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Filename:

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Creator: Benjamin Botwin

Created: 2014-01-04 14:54:24 UTC

Size: 1.50 KB

patch

obsolete

>#include <stdio.h>
>
>#include "GL/glew.h"
>#include "GL/glu.h"
>#include "GLFW/glfw3.h"
>#include <thread>
>
>GLuint errorCode;
>
>void error(int error, const char* description)
>{
>        printf("%i, %s\n", error, description);
>}
>
>void draw()
>{
>
>        int i;
>        glGetIntegerv(GL_DRAW_BUFFER0, &i);
>
>        printf("%i\n", i); //1029 on xubuntu 13.10
>
>        GLfloat red[] = {1.0f, 0.0f, 0.0f, 1.0f};
>        glClearBufferfv(GL_COLOR, i, red);
>        errorCode = glGetError();
>        if(errorCode != GL_NO_ERROR)
>                printf("%i, %s\n", errorCode, gluErrorString(errorCode));
>}
>
>int main()
>{
>        glewExperimental = true;
>        if(glfwInit() == -1) return -1;
>        glfwSetErrorCallback(error);
>
>        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
>        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
>        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
>
>        glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
>
>        GLFWwindow* window = glfwCreateWindow(800, 600, "OpenGL", NULL, NULL);
>        if(!window) 
>        {
>                printf("Window Creation Failed");
>                return -1;
>        }
>
>        glfwMakeContextCurrent(window);
>        glewInit();
>
>        while(!glfwWindowShouldClose(window))
>        {
>                glfwSwapBuffers(window);
>                glfwPollEvents();
>
>                if(glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) 
>                        glfwSetWindowShouldClose(window, GL_TRUE);
>
>                draw();
>        }
>
>        glfwTerminate();
>}

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Attachments on bug 13978: 13602 | 91486

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