Java Framebuffer.framebufferClear方法代码示例

import net.minecraft.client.shader.Framebuffer; //导入方法依赖的package包/类
private void saveBlockPic(String domain, String selected, int outputSize) {
	File f = new File(saveDir, domain + "/block/" + outputSize + "x/" + selected.replaceAll("[^0-9a-zA-Z]{1}", "_") + ".png");
	f.getParentFile().mkdirs();

	Framebuffer mb = mc.getFramebuffer();
	int radius = Math.min(mb.framebufferWidth, mb.framebufferHeight);
	Framebuffer fb = new Framebuffer(mb.framebufferWidth * outputSize / radius, mb.framebufferHeight * outputSize / radius, true);
	fb.framebufferClear();
	fb.bindFramebuffer(false);
	
	int r = radius * this.width / mb.framebufferWidth;

	setupRenderItemGlState(r, 0, 0);
	drawBlockCore(selected);
	releaseRenderItemGlState();
	
	FrameBufferUtils.instance.saveFrameBufferToFile(fb, f, outputSize, outputSize, false);
	
	mb.bindFramebuffer(true);
	fb.deleteFramebuffer();
}
 

import net.minecraft.client.shader.Framebuffer; //导入方法依赖的package包/类
private void saveItemPic(String domain, String selected, int outputSize) {
	File f = new File(saveDir, domain + "/item/" + outputSize + "x/" + selected.replaceAll("[^0-9a-zA-Z]{1}", "_") + ".png");
	f.getParentFile().mkdirs();

	Framebuffer mb = mc.getFramebuffer();
	int radius = Math.min(mb.framebufferWidth, mb.framebufferHeight);
	Framebuffer fb = new Framebuffer(mb.framebufferWidth * outputSize / radius, mb.framebufferHeight * outputSize / radius, true);
	fb.framebufferClear();
	fb.bindFramebuffer(false);
	
	int r = radius * this.width / mb.framebufferWidth;

	setupRenderItemGlState(r, 0, 0);
	drawItemCore(selected);
	releaseRenderItemGlState();

	FrameBufferUtils.instance.saveFrameBufferToFile(fb, f, outputSize, outputSize, false);
	
	mb.bindFramebuffer(true);
	fb.deleteFramebuffer();
}
 

import net.minecraft.client.shader.Framebuffer; //导入方法依赖的package包/类
private Framebuffer createAndRenderEntityToFrameBuffer(double size, Entity entity, int outx, int outy, Framebuffer mb) {
	int radius = Math.min(mb.framebufferWidth * outy, mb.framebufferHeight * outx);
	Framebuffer fb = new Framebuffer(mb.framebufferWidth * outx * outy / radius, mb.framebufferHeight * outx * outy / radius, true);
	fb.framebufferClear();
	fb.bindFramebuffer(false);

	int r = radius * this.width / mb.framebufferWidth;
	float scale = (float)(size * 64) * r / outx / outy;
	AxisAlignedBB bb = entity.getEntityBoundingBox();

	setupRenderEntityGlState(r / outy, r / outx, entity, scale);
	drawEntityCore(entity, bb);
	releaseRenderEntityGlState();
	return fb;
}
 

import net.minecraft.client.shader.Framebuffer; //导入方法依赖的package包/类
/**
 * Render the world.
 * Called between {@link net.minecraft.client.renderer.EntityRenderer#renderWorld(float, long) renderWorld}
 * and {@link net.minecraft.client.renderer.EntityRenderer#renderWorldPass(int, float, long) renderWorldPass}
 */
public void renderWorld(EntityRenderer er, Minecraft mc, Framebuffer framebuffer, Shader shader,
		int[] framebufferTextures, float partialTicks, long finishTimeNano, int width, int height, float sizeIncrease) {
	//save the players state
	player = mc.getRenderViewEntity();
	yaw = player.rotationYaw;
	pitch = player.rotationPitch;
	prevYaw = player.prevRotationYaw;
	prevPitch = player.prevRotationPitch;

	//clear the primary framebuffer
	mc.getFramebuffer().framebufferClear();
	//clear the secondary framebuffer
	framebuffer.framebufferClear();
	//bind the secondary framebuffer
	framebuffer.bindFramebuffer(false);

	//displayWidth and displayHeight are called during world rendering
	//set them to the secondary framebuffer dimensions
	mc.displayWidth = (int)(height*sizeIncrease);
	mc.displayHeight = (int)(height*sizeIncrease); //Must be square

	RenderUtil.partialWidth = mc.displayWidth; //TODO is this even needed?
	RenderUtil.partialHeight = mc.displayHeight; //TODO remove

	RenderUtil.render360 = true;

	Globe globe = globes[globeIndex];
	for (int i=0; i<globe.getCount(); i++) {
		// set camera/player rotation state (read by hooks at the correct moment)
		coordFrame = globe.getCoordFrame(i);
		playerFov = globe.getFov(i);

		// the forward vector is the opposite direction of the z-axis
		float x = -coordFrame.get(2);
		float y = -coordFrame.get(6);
		float z = -coordFrame.get(10);

		// calculate the delta yaw/pitch to point the player
		float lon = (float)Math.atan2(x, -z);
		float lat = (float)Math.atan2(y, Math.sqrt(x*x+z*z));
		playerDeltaYaw = lon;
		playerDeltaPitch = lat;

		// render to texture
		OpenGlHelper.glFramebufferTexture2D(OpenGlHelper.GL_FRAMEBUFFER, OpenGlHelper.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D, framebufferTextures[i], 0);
		GlStateManager.bindTexture(0);
		er.renderWorldPass(2, partialTicks, finishTimeNano);

		// reset player view
		player.rotationYaw = yaw;
		player.rotationPitch = pitch;
		player.prevRotationYaw = prevYaw;
		player.prevRotationPitch = prevPitch;
	}

	//reset displayWidth and displayHeight to the primary framebuffer dimensions
	mc.displayWidth = width;
	mc.displayHeight = height;

	//reset viewport to full screen
	GlStateManager.viewport(0, 0, width, height);
	//bind primary framebuffer
	mc.getFramebuffer().bindFramebuffer(false);

	if (!getResizeGui() || mc.gameSettings.hideGUI) {
		GL20.glUseProgram(shader.getShaderProgram());
		int cursorUniform = GL20.glGetUniformLocation(shader.getShaderProgram(), "drawCursor");
		GL20.glUniform1i(cursorUniform, 0);
		runShader(mc, shader, framebufferTextures);
	}
}