1. rcrnstn/liu-tsbk07-labs
  2. lab1
  3. lab1-1.c
Browse code

Add cpp-v2

Ingemar Ragnemalm authored on 21/02/2024 20:24:29 • Robert Cranston committed on 21/02/2024 20:24:29
Showing 1 changed files
lab1/lab1-1.c
History View file @ e797f20
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deleted file mode 100755
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@@ -1,87 +0,0 @@
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-// Lab 1-1.
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-// This is the same as the first simple example in the course book,
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-// but with a few error checks.
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-// Remember to copy your file to a new on appropriate places during the lab so you keep old results.
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-// Note that the files "lab1-1.frag", "lab1-1.vert" are required.
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-
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-#include "GL_utilities.h"
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-#include "MicroGlut.h"
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-// uses framework OpenGL
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-// uses framework Cocoa
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-
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-// Globals
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-// Data would normally be read from files
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-GLfloat vertices[] =
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-{
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-	-0.5f,-0.5f,0.0f,
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-	-0.5f,0.5f,0.0f,
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-	0.5f,-0.5f,0.0f
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-};
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-
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-// vertex array object
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-unsigned int vertexArrayObjID;
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-
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-void init(void)
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-{
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-	// vertex buffer object, used for uploading the geometry
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-	unsigned int vertexBufferObjID;
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-	// Reference to shader program
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-	GLuint program;
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-
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-	dumpInfo();
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-
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-	// GL inits
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-	glClearColor(0.2,0.2,0.5,0);
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-	glDisable(GL_DEPTH_TEST);
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-	printError("GL inits");
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-
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-	// Load and compile shader
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-	program = loadShaders("lab1-1.vert", "lab1-1.frag");
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-	printError("init shader");
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-
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-	// Upload geometry to the GPU:
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-
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-	// Allocate and activate Vertex Array Object
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-	glGenVertexArrays(1, &vertexArrayObjID);
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-	glBindVertexArray(vertexArrayObjID);
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-	// Allocate Vertex Buffer Objects
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-	glGenBuffers(1, &vertexBufferObjID);
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-
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-	// VBO for vertex data
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-	glBindBuffer(GL_ARRAY_BUFFER, vertexBufferObjID);
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-	glBufferData(GL_ARRAY_BUFFER, 9*sizeof(GLfloat), vertices, GL_STATIC_DRAW);
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-	glVertexAttribPointer(glGetAttribLocation(program, "in_Position"), 3, GL_FLOAT, GL_FALSE, 0, 0);
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-	glEnableVertexAttribArray(glGetAttribLocation(program, "in_Position"));
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-
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-	// End of upload of geometry
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-
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-	printError("init arrays");
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-}
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-
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-
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-void display(void)
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-{
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-	printError("pre display");
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-
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-	// clear the screen
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-	glClear(GL_COLOR_BUFFER_BIT);
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-
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-	glBindVertexArray(vertexArrayObjID);	// Select VAO
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-	glDrawArrays(GL_TRIANGLES, 0, 3);	// draw object
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-
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-	printError("display");
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-
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-	glutSwapBuffers();
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-}
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-
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-int main(int argc, char *argv[])
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-{
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-	glutInit(&argc, argv);
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-	glutInitContextVersion(3, 2);
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-	glutInitWindowSize(600, 600);
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-	glutCreateWindow ("GL3 white triangle example");
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-	glutDisplayFunc(display);
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-	init ();
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-	glutMainLoop();
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-	return 0;
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-}
Browse code

Add cpp-v1

Ingemar Ragnemalm authored on 21/02/2024 20:24:28 • Robert Cranston committed on 21/02/2024 20:24:28
Showing 1 changed files
lab1/lab1-1.c
History View file @ b23636c
1 1 
new file mode 100755
... ... 
@@ -0,0 +1,87 @@
1 
+// Lab 1-1.
2 
+// This is the same as the first simple example in the course book,
3 
+// but with a few error checks.
4 
+// Remember to copy your file to a new on appropriate places during the lab so you keep old results.
5 
+// Note that the files "lab1-1.frag", "lab1-1.vert" are required.
6 
+
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+#include "GL_utilities.h"
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+#include "MicroGlut.h"
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+// uses framework OpenGL
10 
+// uses framework Cocoa
11 
+
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+// Globals
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+// Data would normally be read from files
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+GLfloat vertices[] =
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+{
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+	-0.5f,-0.5f,0.0f,
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+	-0.5f,0.5f,0.0f,
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+	0.5f,-0.5f,0.0f
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+};
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+
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+// vertex array object
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+unsigned int vertexArrayObjID;
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+
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+void init(void)
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+{
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+	// vertex buffer object, used for uploading the geometry
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+	unsigned int vertexBufferObjID;
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+	// Reference to shader program
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+	GLuint program;
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+
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+	dumpInfo();
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+
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+	// GL inits
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+	glClearColor(0.2,0.2,0.5,0);
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+	glDisable(GL_DEPTH_TEST);
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+	printError("GL inits");
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+
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+	// Load and compile shader
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+	program = loadShaders("lab1-1.vert", "lab1-1.frag");
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+	printError("init shader");
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+
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+	// Upload geometry to the GPU:
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+
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+	// Allocate and activate Vertex Array Object
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+	glGenVertexArrays(1, &vertexArrayObjID);
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+	glBindVertexArray(vertexArrayObjID);
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+	// Allocate Vertex Buffer Objects
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+	glGenBuffers(1, &vertexBufferObjID);
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+
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+	// VBO for vertex data
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+	glBindBuffer(GL_ARRAY_BUFFER, vertexBufferObjID);
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+	glBufferData(GL_ARRAY_BUFFER, 9*sizeof(GLfloat), vertices, GL_STATIC_DRAW);
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+	glVertexAttribPointer(glGetAttribLocation(program, "in_Position"), 3, GL_FLOAT, GL_FALSE, 0, 0);
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+	glEnableVertexAttribArray(glGetAttribLocation(program, "in_Position"));
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+
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+	// End of upload of geometry
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+
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+	printError("init arrays");
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+}
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+
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+
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+void display(void)
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+{
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+	printError("pre display");
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+
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+	// clear the screen
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+	glClear(GL_COLOR_BUFFER_BIT);
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+
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+	glBindVertexArray(vertexArrayObjID);	// Select VAO
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+	glDrawArrays(GL_TRIANGLES, 0, 3);	// draw object
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+
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+	printError("display");
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+
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+	glutSwapBuffers();
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+}
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+
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+int main(int argc, char *argv[])
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+{
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+	glutInit(&argc, argv);
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+	glutInitContextVersion(3, 2);
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+	glutInitWindowSize(600, 600);
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+	glutCreateWindow ("GL3 white triangle example");
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+	glutDisplayFunc(display);
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+	init ();
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+	glutMainLoop();
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+	return 0;
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+}