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add graphics buffers

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This commit is contained in:
Loïc GUEZO
2024-03-25 21:41:56 +01:00
parent fe675d87e0
commit 2ee2a261a1
6 changed files with 91 additions and 5 deletions
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1
.gitignore vendored
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@@ -1 +1,2 @@
.DS_Store
*.class

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src/Main.class
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1
src/Main.java
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@@ -15,7 +15,6 @@ import static org.lwjgl.opengl.GL11.*;
import static org.lwjgl.system.MemoryStack.*;
import static org.lwjgl.system.MemoryUtil.*;
public class Main {
public static void main(String[] args) {
if(!GLFW.glfwInit()) {

24
src/graphics/EBO.java
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@@ -1,5 +1,27 @@
package graphics;
public class EBO {
import org.lwjgl.opengl.GL15;
public class EBO {
private int id;
public EBO(int[] indices) {
this.id = GL15.glGenBuffers();
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, this.id);
GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indices, GL15.GL_STATIC_DRAW);
bind();
}
public void cleanup() {
unbind();
GL15.glDeleteBuffers(this.id);
}
public void bind() {
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, (int)this.id);
}
public void unbind() {
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
}
}

43
src/graphics/VAO.java
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@@ -1,5 +1,46 @@
package graphics;
public class VAO {
import static org.lwjgl.opengl.GL11.glDrawArrays;
import static org.lwjgl.opengl.GL11.glDrawElements;
import org.lwjgl.opengl.GL30;
public class VAO {
private int id;
public VAO() {
this.id = GL30.glGenVertexArrays();
bind();
}
public void cleanup() {
unbind();
GL30.glDeleteVertexArrays(id);
}
public void bind() {
GL30.glBindVertexArray(this.id);
}
public void unbind() {
GL30.glBindVertexArray(0);
}
public void setAttributePointer(int index, int size, int type, int stride, long offset) {
GL30.glEnableVertexAttribArray(index);
GL30.glVertexAttribPointer(index, size, type, false, stride, offset);
}
public void drawElement(int mode, int count, int type, long indices) {
bind();
glDrawElements(mode, count, type, indices);
unbind();
}
public void drawElementIndices(int mode, int first, int count) {
bind();
glDrawArrays(mode, first, count);
unbind();
}
}

25
src/graphics/VBO.java
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@@ -1,5 +1,28 @@
package graphics;
public class VBO {
import org.lwjgl.opengl.GL15;
public class VBO {
private int id;
public VBO(float[] vertices) {
this.id = GL15.glGenBuffers();
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, this.id);
GL15.glBufferData(GL15.GL_ARRAY_BUFFER, vertices, GL15.GL_STATIC_DRAW);
bind();
}
public void cleanup() {
unbind();
GL15.glDeleteBuffers(this.id);
}
public void bind() {
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, this.id);
}
public void unbind() {
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
}
}