77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <bluegl/BlueGL.h>
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#include <iostream>
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#include <mutex>
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#include "private_BlueGL.h"
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namespace bluegl {
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// OS Dependent.
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extern bool initBinder();
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extern void* loadFunction(const char* name);
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extern void shutdownBinder();
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static void undefined() {
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#ifndef NDEBUG
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std::cerr << "calling missing GL function!" << std::endl;
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#endif
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}
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int bind() {
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std::lock_guard<std::mutex> lock(g_library_mutex);
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g_library_refcount++;
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if (g_library_refcount == 1) {
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if (initBinder()) {
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for (unsigned int i = 0; i < blueCoreNumFunctions; i++) {
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*g_gl_stubs[i].api_call = loadFunction(g_gl_stubs[i].api_name);
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if (*g_gl_stubs[i].api_call == nullptr) {
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*g_gl_stubs[i].api_call = (void*)&undefined;
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}
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}
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return 0;
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} else {
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std::cerr << "Could not init binder." << std::endl;
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}
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} else {
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return 0;
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}
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return -1;
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}
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void unbind() {
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std::lock_guard<std::mutex> lock(g_library_mutex);
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uint32_t refcount = g_library_refcount;
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if (refcount > 0) {
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g_library_refcount--;
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}
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if (refcount == 1) {
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shutdownBinder();
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for (unsigned int i = 0; i < 2574; i++) {
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*g_gl_stubs[i].api_call = nullptr;
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}
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}
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}
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}; // namespace bluegl
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