Method Make

test/src/utils/FilterProgram.cpp:23–37

namespace tgfx {
std::unique_ptr<FilterProgram> FilterProgram::Make(Context* context, const std::string& vertex,
                                                   const std::string& fragment) {
  auto gl = GLFunctions::Get(context);
  auto program = CreateGLProgram(context, vertex, fragment);
  if (program == 0) {
    return nullptr;
  }
  auto filterProgram = std::unique_ptr<FilterProgram>(new FilterProgram(context));
  filterProgram->program = program;
  if (gl->bindVertexArray != nullptr) {
    gl->genVertexArrays(1, &filterProgram->vertexArray);
  }
  gl->genBuffers(1, &filterProgram->vertexBuffer);
  return filterProgram;
}

void FilterProgram::onReleaseGPU() {
  auto gl = GLFunctions::Get(getContext());