Java GL2.glDisable方法代码示例

import com.jogamp.opengl.GL2; //导入方法依赖的package包/类
private void drawPolygon(final GL2 gl, final int xLowerLeft, final int yLowerLeft, final int width, final int height) {
    gl.glPushMatrix();
    gl.glDisable(GL.GL_DEPTH_TEST);
    gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
    gl.glEnable(GL.GL_BLEND);
    gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL2.GL_CLAMP);
    gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL2.GL_CLAMP);
    gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
    gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST);
    final double xRatio = (double) chip.getSizeX() / (double) width;
    final double yRatio = (double) chip.getSizeY() / (double) height;
    gl.glBegin(GL2.GL_POLYGON);

    gl.glTexCoord2d(0, 0);
    gl.glVertex2d(xLowerLeft, yLowerLeft);
    gl.glTexCoord2d(xRatio, 0);
    gl.glVertex2d(xRatio * width + xLowerLeft, yLowerLeft);
    gl.glTexCoord2d(xRatio, yRatio);
    gl.glVertex2d(xRatio * width + xLowerLeft, yRatio * height + yLowerLeft);
    gl.glTexCoord2d(0, yRatio);
    gl.glVertex2d(+xLowerLeft, yRatio * height + yLowerLeft);

    gl.glEnd();
    gl.glPopMatrix();
}
 

import com.jogamp.opengl.GL2; //导入方法依赖的package包/类
/** Convenience method to check if blending in OpenGL is available, and if so, to turn it on.
 * 
 * @param gl the GL2 context
 */
protected void checkBlend(GL2 gl) {
    if (!hasBlendChecked) {
        hasBlendChecked = true;
        String glExt = gl.glGetString(GL.GL_EXTENSIONS);
        if (glExt.indexOf("GL_EXT_blend_color") != -1) {
            hasBlend = true;
        }
    }
    if (hasBlend) {
        try {
            gl.glEnable(GL.GL_BLEND);
            gl.glBlendFunc(GL.GL_ONE, GL.GL_ONE);
            gl.glBlendEquation(GL.GL_FUNC_ADD);
        } catch (GLException e) {
            log.warning("tried to use glBlend which is supposed to be available but got following exception");
            gl.glDisable(GL.GL_BLEND);
            e.printStackTrace();
            hasBlend = false;
        }
    }
}
 

import com.jogamp.opengl.GL2; //导入方法依赖的package包/类
@Override
public void display(Graphics3D graphics) {
	AWTGraphics3D g = (AWTGraphics3D) graphics;
	GL2 gl = g.getGL2();  // get the OpenGL 2 graphics context
	gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); // clear color and depth buffers
	gl.glLoadIdentity();  // reset the model-view matrix
	gl.glClearColor(1f,1f,1f,1f);
	
	g.setColor(Color.WHITE);
	gl.glTranslatef(0.0f, 0.0f, -15.0f); // translate into the screen
	//gl.glScaled(150, 150, 150);
	gl.glRotated(angleY, 0, 1, 0);
	
	//Draw Models
	//Start batch
	gl.glEnable(GL.GL_DEPTH_TEST);

	gl.glPushMatrix();
	stone.renderTextured(gl);
	gl.glPopMatrix();
	
	gl.glPushMatrix();
	gl.glDisable(GL.GL_CULL_FACE);
	gl.glEnable(GL.GL_BLEND);
	gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
	
	tree.renderTextured(gl);
	gl.glPopMatrix();
	
	//End batch
	gl.glDisable(GL.GL_DEPTH_TEST);
	
	//Rotate Models
	if(rotate) {
		angleY += 1;
	}
}
 

import com.jogamp.opengl.GL2; //导入方法依赖的package包/类
/**
 * Renders the body using the stencil buffer to show multi-fixutre bodies
 * as one body.
 *
 * @param gl the OpenGL files
 */
public void stencil(GL2 gl) {
    // clear the stencil
    gl.glClear(GL.GL_STENCIL_BUFFER_BIT);

    // disable color
    gl.glColorMask(false, false, false, false);
    // enable stencil testing
    gl.glEnable(GL.GL_STENCIL_TEST);

    // fill the body into the stencil buffer
    gl.glStencilFunc(GL.GL_ALWAYS, 1, -1);
    gl.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_REPLACE);
    this.fill(gl);

    // draw the body into the stencil buffer only keeping the
    // overlapping portions
    gl.glStencilFunc(GL.GL_NOTEQUAL, 1, -1);
    gl.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_REPLACE);
    // set the line width so we dont have to render the body 4 times
    float lw = RenderUtilities.setLineWidth(gl, 3.0f);
    // enable color to draw the outline
    gl.glColorMask(true, true, true, true);
    this.setOutlineColor(gl);
    this.draw(gl);

    gl.glLineWidth(lw);

    // disable the stencil test
    gl.glDisable(GL.GL_STENCIL_TEST);

    // fill the body
    this.setFillColor(gl);
    this.fill(gl);
}
 

import com.jogamp.opengl.GL2; //导入方法依赖的package包/类
void enableCullFace(GL2 gl, boolean enabled){
    if (enabled != cullFace){
        if (enabled){
            gl.glEnable(GL2.GL_CULL_FACE);
        }else{
            gl.glDisable(GL2.GL_CULL_FACE);
        }
        cullFace = enabled;
    }
}
 

import com.jogamp.opengl.GL2; //导入方法依赖的package包/类
void enableDepthTest(GL2 gl, boolean enabled){
    if (enabled != depthTest){
        if (enabled){
            gl.glEnable(GL2.GL_DEPTH_TEST);
        }else{
            gl.glDisable(GL2.GL_DEPTH_TEST);
        }
        depthTest = enabled;
    }
}
 

import com.jogamp.opengl.GL2; //导入方法依赖的package包/类
void enableBlend(GL2 gl, boolean enabled){
    if (enabled != blend){
        if (enabled){
            gl.glEnable(GL2.GL_BLEND);
            gl.glBlendFunc (GL2.GL_SRC_ALPHA, GL2.GL_ONE_MINUS_SRC_ALPHA);
        }else{
            gl.glDisable(GL2.GL_BLEND);
        }
        blend = enabled;
    }
}
 

import com.jogamp.opengl.GL2; //导入方法依赖的package包/类
void enableTexture2D(GL2 gl, boolean enabled){
    if (enabled != texture2d){
        if (enabled){
            gl.glEnable(GL2.GL_TEXTURE_2D);
        }else{
            gl.glDisable(GL2.GL_TEXTURE_2D);
        }
        texture2d = enabled;
    }
}
 

import com.jogamp.opengl.GL2; //导入方法依赖的package包/类
void enableTexture3D(GL2 gl, boolean enabled){
    if (enabled != texture3d){
        if (enabled){
            gl.glEnable(GL2.GL_TEXTURE_3D);
        }else{
            gl.glDisable(GL2.GL_TEXTURE_3D);
        }
        texture3d = enabled;
    }
}