feat: godot-engine-source-4.3-stable

engine/thirdparty/thorvg/src/renderer/tvgGlCanvas.cpp

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2020 - 2024 the ThorVG project. 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 "tvgCanvas.h"
+
+#ifdef THORVG_GL_RASTER_SUPPORT
+    #include "tvgGlRenderer.h"
+#else
+    class GlRenderer : public RenderMethod
+    {
+        //Non Supported. Dummy Class */
+    };
+#endif
+
+/************************************************************************/
+/* Internal Class Implementation                                        */
+/************************************************************************/
+
+struct GlCanvas::Impl
+{
+};
+
+
+/************************************************************************/
+/* External Class Implementation                                        */
+/************************************************************************/
+
+#ifdef THORVG_GL_RASTER_SUPPORT
+GlCanvas::GlCanvas() : Canvas(GlRenderer::gen()), pImpl(nullptr)
+#else
+GlCanvas::GlCanvas() : Canvas(nullptr), pImpl(nullptr)
+#endif
+{
+}
+
+
+GlCanvas::~GlCanvas()
+{
+    delete(pImpl);
+}
+
+
+Result GlCanvas::target(int32_t id, uint32_t w, uint32_t h) noexcept
+{
+#ifdef THORVG_GL_RASTER_SUPPORT
+    if (Canvas::pImpl->status != Status::Damanged && Canvas::pImpl->status != Status::Synced) {
+        return Result::InsufficientCondition;
+    }
+
+    //We know renderer type, avoid dynamic_cast for performance.
+    auto renderer = static_cast<GlRenderer*>(Canvas::pImpl->renderer);
+    if (!renderer) return Result::MemoryCorruption;
+
+    if (!renderer->target(id, w, h)) return Result::Unknown;
+    Canvas::pImpl->vport = {0, 0, (int32_t)w, (int32_t)h};
+    renderer->viewport(Canvas::pImpl->vport);
+
+    //Paints must be updated again with this new target.
+    Canvas::pImpl->status = Status::Damanged;
+
+    return Result::Success;
+#endif
+    return Result::NonSupport;
+}
+
+
+unique_ptr<GlCanvas> GlCanvas::gen() noexcept
+{
+#ifdef THORVG_GL_RASTER_SUPPORT
+    if (GlRenderer::init() <= 0) return nullptr;
+    return unique_ptr<GlCanvas>(new GlCanvas);
+#endif
+    return nullptr;
+}