playcanvas/build/playcanvas/src/scene/graphics/quad-render-utils.js

PlayCanvas WebGL game engine

import { Vec4 } from '../../core/math/vec4.js';
import { QuadRender } from './quad-render.js';
import { RenderPassQuad } from './render-pass-quad.js';

const _tempRect = new Vec4();
function drawQuadWithShader(device, target, shader, rect, scissorRect) {
		const quad = new QuadRender(shader);
		if (!rect) {
				rect = _tempRect;
				rect.x = 0;
				rect.y = 0;
				rect.z = target ? target.width : device.width;
				rect.w = target ? target.height : device.height;
		}
		const renderPass = new RenderPassQuad(device, quad, rect, scissorRect);
		renderPass.init(target);
		renderPass.colorOps.clear = false;
		renderPass.depthStencilOps.clearDepth = false;
		if (device.isWebGPU && target === null && device.samples > 1) {
				renderPass.colorOps.store = true;
		}
		renderPass.render();
		quad.destroy();
}

export { drawQuadWithShader };