1 files changed, 152 insertions, 0 deletions
diff --git a/thirdparty/thorvg/src/lib/tvgInitializer.cpp b/thirdparty/thorvg/src/lib/tvgInitializer.cpp
new file mode 100644
index 0000000000..83ec50be95
--- /dev/null
+++ b/thirdparty/thorvg/src/lib/tvgInitializer.cpp
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2020-2021 Samsung Electronics Co., Ltd. All rights reserved.
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "tvgCommon.h"
+#include "tvgTaskScheduler.h"
+#include "tvgLoader.h"
+
+#ifdef _WIN32
+    #include <cstring>
+#endif
+
+#ifdef THORVG_SW_RASTER_SUPPORT
+    #include "tvgSwRenderer.h"
+#endif
+
+#ifdef THORVG_GL_RASTER_SUPPORT
+    #include "tvgGlRenderer.h"
+#endif
+
+
+/************************************************************************/
+/* Internal Class Implementation                                        */
+/************************************************************************/
+
+static int _initCnt = 0;
+static uint16_t _version = 0;
+
+
+static bool _buildVersionInfo()
+{
+    auto SRC = THORVG_VERSION_STRING;   //ex) 0.3.99
+    auto p = SRC;
+    const char* x;
+
+    char major[3];
+    x = strchr(p, '.');
+    if (!x) return false;
+    memcpy(major, p, x - p);
+    major[x - p] = '\0';
+    p = x + 1;
+
+    char minor[3];
+    x = strchr(p, '.');
+    if (!x) return false;
+    memcpy(minor, p, x - p);
+    minor[x - p] = '\0';
+    p = x + 1;
+
+    char micro[3];
+    x = SRC + strlen(THORVG_VERSION_STRING);
+    memcpy(micro, p, x - p);
+    micro[x - p] = '\0';
+
+    char sum[7];
+    snprintf(sum, sizeof(sum), "%s%s%s", major, minor, micro);
+
+    _version = atoi(sum);
+
+    return true;
+}
+
+
+/************************************************************************/
+/* External Class Implementation                                        */
+/************************************************************************/
+
+Result Initializer::init(CanvasEngine engine, uint32_t threads) noexcept
+{
+    auto nonSupport = true;
+
+    if (static_cast<uint32_t>(engine) & static_cast<uint32_t>(CanvasEngine::Sw)) {
+        #ifdef THORVG_SW_RASTER_SUPPORT
+            if (!SwRenderer::init(threads)) return Result::FailedAllocation;
+            nonSupport = false;
+        #endif
+    } else if (static_cast<uint32_t>(engine) & static_cast<uint32_t>(CanvasEngine::Gl)) {
+        #ifdef THORVG_GL_RASTER_SUPPORT
+            if (!GlRenderer::init(threads)) return Result::FailedAllocation;
+            nonSupport = false;
+        #endif
+    } else {
+        return Result::InvalidArguments;
+    }
+
+    if (nonSupport) return Result::NonSupport;
+
+    if (_initCnt++ > 0) return Result::Success;
+
+    if (!_buildVersionInfo()) return Result::Unknown;
+
+    if (!LoaderMgr::init()) return Result::Unknown;
+
+    TaskScheduler::init(threads);
+
+    return Result::Success;
+}
+
+
+Result Initializer::term(CanvasEngine engine) noexcept
+{
+    if (_initCnt == 0) return Result::InsufficientCondition;
+
+    auto nonSupport = true;
+
+    if (static_cast<uint32_t>(engine) & static_cast<uint32_t>(CanvasEngine::Sw)) {
+        #ifdef THORVG_SW_RASTER_SUPPORT
+            if (!SwRenderer::term()) return Result::InsufficientCondition;
+            nonSupport = false;
+        #endif
+    } else if (static_cast<uint32_t>(engine) & static_cast<uint32_t>(CanvasEngine::Gl)) {
+        #ifdef THORVG_GL_RASTER_SUPPORT
+            if (!GlRenderer::term()) return Result::InsufficientCondition;
+            nonSupport = false;
+        #endif
+    } else {
+        return Result::InvalidArguments;
+    }
+
+    if (nonSupport) return Result::NonSupport;
+
+    if (--_initCnt > 0) return Result::Success;
+
+    TaskScheduler::term();
+
+    if (!LoaderMgr::term()) return Result::Unknown;
+
+    return Result::Success;
+}
+
+
+uint16_t THORVG_VERSION_NUMBER()
+{
+    return _version;
+}