Class GpuMeshAdapter

src/scene/mesh/gpu/GpuMeshAdapter.ts:20–104

 * @ignore
 */
export class GpuMeshAdapter implements MeshAdaptor
{
    /** @ignore */
    public static extension = {
        type: [
            ExtensionType.WebGPUPipesAdaptor,
        ],
        name: 'mesh',
    } as const;

    private _shader: Shader;

    public init(): void
    {
        const gpuProgram = compileHighShaderGpuProgram({
            name: 'mesh',
            bits: [
                localUniformBit,
                textureBit,
                roundPixelsBit,
            ]
        });

        this._shader = new Shader({
            gpuProgram,
            resources: {
                uTexture: Texture.EMPTY._source,
                uSampler: Texture.EMPTY._source.style,
                textureUniforms: {
                    uTextureMatrix: { type: 'mat3x3<f32>', value: new Matrix() },
                }
            }
        });
    }

    public execute(meshPipe: MeshPipe, mesh: Mesh)
    {
        const renderer = meshPipe.renderer as WebGPURenderer;

        let shader: Shader = mesh._shader;

        if (!shader)
        {
            shader = this._shader;

            shader.groups[2] = renderer.texture.getTextureBindGroup(mesh.texture);
        }
        else if (!shader.gpuProgram)
        {
            // #if _DEBUG
            warn('Mesh shader has no gpuProgram', mesh.shader);
            // #endif

            return;
        }

        const gpuProgram = shader.gpuProgram;
        // GPU..