playcanvas
Version:
PlayCanvas WebGL game engine
57 lines (56 loc) • 1.67 kB
TypeScript
/**
* An object that renders a quad using a {@link Shader}.
*
* Example:
*
* ```javascript
* const shader = pc.ShaderUtils.createShader(app.graphicsDevice, {
* uniqueName: 'MyShader',
* attributes: { aPosition: SEMANTIC_POSITION },
* vertexGLSL: '// vertex shader code',
* fragmentGLSL: '// fragment shader code'
* });
* const quad = new QuadRender(shader);
* quad.render();
* quad.destroy();
* ```
*
* @category Graphics
*/
export class QuadRender {
/**
* Create a new QuadRender instance.
*
* @param {Shader} shader - The shader to be used to render the quad.
*/
constructor(shader: Shader);
/**
* @type {UniformBuffer}
* @ignore
*/
uniformBuffer: UniformBuffer;
/**
* @type {BindGroup}
* @ignore
*/
bindGroup: BindGroup;
shader: Shader;
/**
* Destroys the resources associated with this instance.
*/
destroy(): void;
/**
* Renders the quad. If the viewport is provided, the original viewport and scissor is restored
* after the rendering.
*
* @param {Vec4} [viewport] - The viewport rectangle of the quad, in pixels. The viewport is
* not changed if not provided.
* @param {Vec4} [scissor] - The scissor rectangle of the quad, in pixels. Used only if the
* viewport is provided.
*/
render(viewport?: Vec4, scissor?: Vec4): void;
}
import { UniformBuffer } from '../../platform/graphics/uniform-buffer.js';
import { BindGroup } from '../../platform/graphics/bind-group.js';
import type { Shader } from '../../platform/graphics/shader.js';
import { Vec4 } from '../../core/math/vec4.js';