import Color from '../Core/Color.js';
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import defined from '../Core/defined.js';
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import destroyObject from '../Core/destroyObject.js';
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import PixelFormat from '../Core/PixelFormat.js';
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import ClearCommand from '../Renderer/ClearCommand.js';
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import Framebuffer from '../Renderer/Framebuffer.js';
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import PixelDatatype from '../Renderer/PixelDatatype.js';
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import Renderbuffer from '../Renderer/Renderbuffer.js';
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import RenderbufferFormat from '../Renderer/RenderbufferFormat.js';
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import Sampler from '../Renderer/Sampler.js';
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import Texture from '../Renderer/Texture.js';
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/**
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* @private
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*/
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function SceneFramebuffer() {
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this._colorTexture = undefined;
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this._idTexture = undefined;
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this._depthStencilTexture = undefined;
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this._depthStencilRenderbuffer = undefined;
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this._framebuffer = undefined;
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this._idFramebuffer = undefined;
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this._idClearColor = new Color(0.0, 0.0, 0.0, 0.0);
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this._useHdr = undefined;
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this._clearCommand = new ClearCommand({
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color : new Color(0.0, 0.0, 0.0, 0.0),
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depth : 1.0,
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owner : this
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});
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}
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function destroyResources(post) {
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post._framebuffer = post._framebuffer && post._framebuffer.destroy();
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post._idFramebuffer = post._idFramebuffer && post._idFramebuffer.destroy();
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post._colorTexture = post._colorTexture && post._colorTexture.destroy();
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post._idTexture = post._idTexture && post._idTexture.destroy();
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post._depthStencilTexture = post._depthStencilTexture && post._depthStencilTexture.destroy();
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post._depthStencilRenderbuffer = post._depthStencilRenderbuffer && post._depthStencilRenderbuffer.destroy();
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post._depthStencilIdTexture = post._depthStencilIdTexture && post._depthStencilIdTexture.destroy();
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post._depthStencilIdRenderbuffer = post._depthStencilIdRenderbuffer && post._depthStencilIdRenderbuffer.destroy();
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post._framebuffer = undefined;
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post._idFramebuffer = undefined;
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post._colorTexture = undefined;
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post._idTexture = undefined;
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post._depthStencilTexture = undefined;
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post._depthStencilRenderbuffer = undefined;
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post._depthStencilIdTexture = undefined;
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post._depthStencilIdRenderbuffer = undefined;
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}
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SceneFramebuffer.prototype.update = function(context, viewport, hdr) {
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var width = viewport.width;
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var height = viewport.height;
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var colorTexture = this._colorTexture;
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if (defined(colorTexture) && colorTexture.width === width && colorTexture.height === height && hdr === this._useHdr) {
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return;
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}
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destroyResources(this);
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this._useHdr = hdr;
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var pixelDatatype = hdr ? (context.halfFloatingPointTexture ? PixelDatatype.HALF_FLOAT : PixelDatatype.FLOAT) : PixelDatatype.UNSIGNED_BYTE;
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this._colorTexture = new Texture({
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context : context,
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width : width,
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height : height,
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pixelFormat : PixelFormat.RGBA,
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pixelDatatype : pixelDatatype,
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sampler : Sampler.NEAREST
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});
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this._idTexture = new Texture({
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context : context,
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width : width,
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height : height,
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pixelFormat : PixelFormat.RGBA,
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pixelDatatype : PixelDatatype.UNSIGNED_BYTE,
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sampler : Sampler.NEAREST
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});
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if (context.depthTexture) {
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this._depthStencilTexture = new Texture({
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context : context,
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width : width,
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height : height,
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pixelFormat : PixelFormat.DEPTH_STENCIL,
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pixelDatatype : PixelDatatype.UNSIGNED_INT_24_8,
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sampler : Sampler.NEAREST
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});
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this._depthStencilIdTexture = new Texture({
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context : context,
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width : width,
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height : height,
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pixelFormat : PixelFormat.DEPTH_STENCIL,
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pixelDatatype : PixelDatatype.UNSIGNED_INT_24_8,
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sampler : Sampler.NEAREST
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});
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} else {
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this._depthStencilRenderbuffer = new Renderbuffer({
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context : context,
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width : width,
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height : height,
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format : RenderbufferFormat.DEPTH_STENCIL
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});
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this._depthStencilIdRenderbuffer = new Renderbuffer({
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context : context,
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width : width,
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height : height,
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format : RenderbufferFormat.DEPTH_STENCIL
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});
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}
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this._framebuffer = new Framebuffer({
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context : context,
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colorTextures : [this._colorTexture],
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depthStencilTexture : this._depthStencilTexture,
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depthStencilRenderbuffer : this._depthStencilRenderbuffer,
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destroyAttachments : false
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});
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this._idFramebuffer = new Framebuffer({
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context : context,
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colorTextures : [this._idTexture],
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depthStencilTexture : this._depthStencilIdTexture,
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depthStencilRenderbuffer : this._depthStencilIdRenderbuffer,
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destroyAttachments : false
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});
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};
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SceneFramebuffer.prototype.clear = function(context, passState, clearColor) {
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var framebuffer = passState.framebuffer;
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passState.framebuffer = this._framebuffer;
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Color.clone(clearColor, this._clearCommand.color);
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this._clearCommand.execute(context, passState);
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passState.framebuffer = this._idFramebuffer;
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Color.clone(this._idClearColor, this._clearCommand.color);
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this._clearCommand.execute(context, passState);
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passState.framebuffer = framebuffer;
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};
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SceneFramebuffer.prototype.getFramebuffer = function() {
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return this._framebuffer;
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};
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SceneFramebuffer.prototype.getIdFramebuffer = function() {
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return this._idFramebuffer;
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};
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SceneFramebuffer.prototype.isDestroyed = function() {
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return false;
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};
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SceneFramebuffer.prototype.destroy = function() {
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destroyResources(this);
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return destroyObject(this);
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};
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export default SceneFramebuffer;
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