39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
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* Core 3.3 profile builtin on-demand loader
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*
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* GLAD: $GLAD --out-path=$tmp --api="gl:core" c --on-demand --loader
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* COMPILE: $GCC -Wno-pedantic $test -o $tmp/test -I$tmp/include $tmp/src/gl.c -ldl -lglfw
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* RUN: $tmp/test
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <glad/gl.h>
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#include <GLFW/glfw3.h>
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#define ASSERT(expression, message, args...) if(!(expression)) { fprintf(stderr, "%s(%d): " message "\n", __FILE__, __LINE__, ##args); exit(1); }
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#define WIDTH 50
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#define HEIGHT 50
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int main(void) {
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ASSERT(glfwInit(), "glfw init failed");
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
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glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
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GLFWwindow* window = glfwCreateWindow(WIDTH, HEIGHT, "<test>", NULL, NULL);
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ASSERT(window != NULL, "glfw window creation failed");
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glfwMakeContextCurrent(window);
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glViewport(0, 0, WIDTH, HEIGHT);
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glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
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glClear(GL_COLOR_BUFFER_BIT);
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glfwSwapBuffers(window);
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glfwTerminate();
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return 0;
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}
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