setupFrameBufferTexture method

void setupFrameBufferTexture(dynamic framebuffer, RenderTarget renderTarget, Texture texture, dynamic attachment, dynamic textureTarget,)

Implementation

void setupFrameBufferTexture(framebuffer, RenderTarget renderTarget,
    Texture texture, attachment, textureTarget) {
  var glFormat = utils.convert(texture.format);
  var glType = utils.convert(texture.type);
  var glInternalFormat = getInternalFormat(
      texture.internalFormat, glFormat, glType, texture.encoding);

  if (textureTarget == gl.TEXTURE_3D ||
      textureTarget == gl.TEXTURE_2D_ARRAY) {
    state.texImage3D(
        textureTarget,
        0,
        glInternalFormat,
        renderTarget.width.toInt(),
        renderTarget.height.toInt(),
        renderTarget.depth.toInt(),
        0,
        glFormat,
        glType,
        null);
  } else {
    state.texImage2D(
        textureTarget,
        0,
        glInternalFormat,
        renderTarget.width.toInt(),
        renderTarget.height.toInt(),
        0,
        glFormat,
        glType,
        null);
  }

  state.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
  // gl.framebufferTexture2D(gl.FRAMEBUFFER, attachment, textureTarget,
  //     properties.get(texture)["__webglTexture"], 0);

  if (useMultisampledRenderToTexture(renderTarget)) {
    MultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT(
        _gl.FRAMEBUFFER,
        attachment,
        textureTarget,
        properties.get(texture)["__webglTexture"],
        0,
        getRenderTargetSamples(renderTarget));
  } else {
    _gl.framebufferTexture2D(_gl.FRAMEBUFFER, attachment, textureTarget,
        properties.get(texture)["__webglTexture"], 0);
  }

  state.bindFramebuffer(gl.FRAMEBUFFER, null);
}