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Diffstat (limited to 'src/runtimerender/Qt3DSRenderTextTextureCache.h')
-rw-r--r-- | src/runtimerender/Qt3DSRenderTextTextureCache.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/runtimerender/Qt3DSRenderTextTextureCache.h b/src/runtimerender/Qt3DSRenderTextTextureCache.h new file mode 100644 index 0000000..45d4021 --- /dev/null +++ b/src/runtimerender/Qt3DSRenderTextTextureCache.h @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2008-2012 NVIDIA Corporation. +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt 3D Studio. +** +** $QT_BEGIN_LICENSE:GPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 or (at your option) any later version +** approved by the KDE Free Qt Foundation. The licenses are as published by +** the Free Software Foundation and appearing in the file LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#pragma once +#ifndef QT3DS_RENDER_TEXT_TEXTURE_CACHE_H +#define QT3DS_RENDER_TEXT_TEXTURE_CACHE_H +#include "Qt3DSRender.h" +#include "foundation/Qt3DSRefCounted.h" +#include "Qt3DSRenderText.h" +#include "EASTL/algorithm.h" + +namespace qt3ds { +namespace render { + + class ITextRenderer; + + typedef eastl::pair<NVScopedRefCounted<NVRenderPathFontSpecification>, + NVScopedRefCounted<NVRenderPathFontItem>> + TPathFontSpecAndPathObject; + typedef eastl::pair<STextTextureDetails, NVScopedRefCounted<NVRenderTexture2D>> + TTextTextureDetailsAndTexture; + typedef eastl::pair<TPathFontSpecAndPathObject, TTextTextureDetailsAndTexture> + TTPathObjectAndTexture; + + class ITextTextureCache : public NVRefCounted + { + protected: + virtual ~ITextTextureCache() {} + public: + virtual TTPathObjectAndTexture RenderText(const STextRenderInfo &inText, + QT3DSF32 inScaleFactor) = 0; + // We may have one more texture in cache than this byte count, but this will be the limiting + // factor. + virtual QT3DSU32 GetCacheHighWaterBytes() const = 0; + virtual void SetCacheHighWaterBytes(QT3DSU32 inNumBytes) = 0; + + virtual void BeginFrame() = 0; + // We need to know the frame rhythm because we can't release anything that was touched this + // frame. + virtual void EndFrame() = 0; + + static ITextTextureCache &CreateTextureCache(NVFoundationBase &inFnd, + ITextRenderer &inTextRenderer, + NVRenderContext &inRenderContext); + }; +} +} +#endif |