Method run

src/backend/web-gl/kernel.js:615–675

()

  }

  run() {
    const { kernelArguments, texSize, forceUploadKernelConstants, context: gl } = this;

    gl.useProgram(this.program);
    gl.scissor(0, 0, texSize[0], texSize[1]);
    if (this.dynamicOutput) {
      this.setUniform3iv('uOutputDim', new Int32Array(this.threadDim));
      this.setUniform2iv('uTexSize', texSize);
    }

    this.setUniform2f('ratio', texSize[0] / this.maxTexSize[0], texSize[1] / this.maxTexSize[1]);

    for (let i = 0; i < forceUploadKernelConstants.length; i++) {
      const constant = forceUploadKernelConstants[i];
      constant.updateValue(this.constants[constant.name]);
      if (this.switchingKernels) return;
    }
    for (let i = 0; i < kernelArguments.length; i++) {
      kernelArguments[i].updateValue(arguments[i]);
      if (this.switchingKernels) return;
    }

    if (this.plugins) {
      for (let i = 0; i < this.plugins.length; i++) {
        const plugin = this.plugins[i];
        if (plugin.onBeforeRun) {
          plugin.onBeforeRun(this);
        }
      }
    }

    if (this.graphical) {
      if (this.pipeline) {
        gl.bindRenderbuffer(gl.RENDERBUFFER, null);
        gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
        if (this.immutable) {
          this._replaceOutputTexture();
        }
        gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
        return this.immutable ? this.texture.clone() : this.texture;
      }
      gl.bindRenderbuffer(gl.RENDERBUFFER, null);
      gl.bindFramebuffer(gl.FRAMEBUFFER, null);
      gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
      return;
    }

    gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
    if (this.immutable) {
      this._replaceOutputTexture();
    }

    if (this.subKernels !== null) {
      if (this.immutable) {
        this._replaceSubOutputTextures();
      }
      this.drawBuffers();
    }