Example usage for org.lwjgl.opengl GL11 glDrawArrays

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glDrawArrays.

Prototype

public static void glDrawArrays(@NativeType("GLenum") int mode, @NativeType("GLint") int first,
        @NativeType("GLsizei") int count)

Source Link

Document

Constructs a sequence of geometric primitives by successively transferring elements for count vertices.

Usage

From source file:wrapper.vbo.Vbo.java

License:Open Source License

public void render() {
    if (vertid != -1) {

        shader.bind();/*  www.  j  a  v  a  2s.  c  o  m*/
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texid);
        GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertid);
        GL20.glEnableVertexAttribArray(vertexattrib);
        GL20.glEnableVertexAttribArray(textureattrib);
        GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertid);
        GL20.glVertexAttribPointer(vertexattrib, 3, GL11.GL_FLOAT, false, 0, 0);
        GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, texcoordid);
        GL20.glVertexAttribPointer(textureattrib, 2, GL11.GL_FLOAT, false, 0, 0);
        GL20.glUniform3f(rotationuniform, rotation_x, rotation_y, rotation_z);
        GL20.glUniform3f(transformuniform, transformation.x, transformation.y, transformation.z);
        GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, vertcount);

        GL20.glDisableVertexAttribArray(vertexattrib);
        GL20.glDisableVertexAttribArray(textureattrib);

        GL11.glEnable(GL11.GL_BLEND);
        shader.unbind();
    } else {

        System.out.println("Error no bound vertid");
        return;
    }

}

From source file:zildo.platform.opengl.compatibility.VBOHardware.java

License:Open Source License

@Override
public void draw(VBOBuffers p_bufs, int start, int count) {
    preDraw();/*w  ww .  j av  a2s  .  c o  m*/

    int stride = 4 * 4;
    ARBVertexBufferObject.glBindBufferARB(ARBVertexBufferObject.GL_ARRAY_BUFFER_ARB, p_bufs.vertexBufferId);
    GL11.glVertexPointer(2, GL11.GL_FLOAT, stride, 0);
    GL11.glTexCoordPointer(2, GL11.GL_FLOAT, stride, 2 * 4);

    //GL12.glDrawRangeElements(GL11.GL_TRIANGLES, 0, count, count, GL11.GL_UNSIGNED_SHORT, 0);
    GL11.glDrawArrays(GL11.GL_TRIANGLES, start, count);
}

From source file:zildo.platform.opengl.compatibility.VBOSoftware.java

License:Open Source License

/**
 * Render vertices/textures without indices. So one quad is a double triangle represented by 
 * 6 vertices and 6 texcoords.//from  w  ww. j a  v a  2 s.  c  om
 */
@Override
public void draw(VBOBuffers p_bufs, int start, int count) {
    preDraw();
    GL11.glVertexPointer(2, 0, p_bufs.vertices);
    GL11.glTexCoordPointer(2, 0, p_bufs.textures);

    GL11.glDrawArrays(GL11.GL_TRIANGLES, start, count);
}