proc_table.cc

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#include "impeller/toolkit/glvk/proc_table.h"
 
#include "impeller/base/validation.h"
 
namespace impeller::glvk {
 
ProcTable::ProcTable(const Resolver& resolver) {
  if (!resolver) {
    return;
  }
 
  auto error_fn = reinterpret_cast<PFNGLGETERRORPROC>(resolver("glGetError"));
  if (!error_fn) {
    VALIDATION_LOG << "Could not resolve " << "glGetError";
    return;
  }
 
#define GLVK_PROC(proc_ivar)                                    \
  if (auto fn_ptr = resolver(proc_ivar.name)) {                 \
    proc_ivar.function =                                        \
        reinterpret_cast<decltype(proc_ivar.function)>(fn_ptr); \
    proc_ivar.error_fn = error_fn;                              \
  } else {                                                      \
    VALIDATION_LOG << "Could not resolve " << proc_ivar.name;   \
    return;                                                     \
  }
 
  FOR_EACH_GLVK_PROC(GLVK_PROC);
 
#undef GLVK_PROC
 
  is_valid_ = true;
}
 
ProcTable::~ProcTable() = default;
 
bool ProcTable::IsValid() const {
  return is_valid_;
}
 
}  // namespace impeller::glvk