mirror of https://github.com/axmolengine/axmol.git
134 lines
3.5 KiB
C++
134 lines
3.5 KiB
C++
/****************************************************************************
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Copyright (c) 2018-2019 Xiamen Yaji Software Co., Ltd.
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https://axis-project.github.io/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include <string>
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#include "Macros.h"
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NS_AX_BACKEND_BEGIN
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enum class FeatureType : uint32_t
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{
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ETC1,
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ETC2,
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S3TC,
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AMD_COMPRESSED_ATC,
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PVRTC,
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IMG_FORMAT_BGRA8888,
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DISCARD_FRAMEBUFFER,
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PACKED_DEPTH_STENCIL,
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VAO,
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MAPBUFFER,
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DEPTH24,
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ASTC
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};
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/**
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* @addtogroup _backend
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* @{
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*/
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/**
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* Used to query features and implementation limits
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*/
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class DeviceInfo
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{
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public:
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virtual ~DeviceInfo() = default;
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/**
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* Gather features and implementation limits
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*/
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virtual bool init() = 0;
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/**
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* Get vendor device name.
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* @return Vendor device name.
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*/
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virtual const char* getVendor() const = 0;
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/**
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* Get the full name of the vendor device.
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* @return The full name of the vendor device.
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*/
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virtual const char* getRenderer() const = 0;
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/**
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* Get version name.
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* @return Version name.
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*/
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virtual const char* getVersion() const = 0;
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/**
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* get extensions.
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* @return Extension supported by device.
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*/
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virtual const char* getExtension() const = 0;
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/**
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* Check if feature supported by device.
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* @param feature Specify feature to be query.
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* @return true if the feature is supported, false otherwise.
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*/
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virtual bool checkForFeatureSupported(FeatureType feature) = 0;
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/**
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* Get maximum texture size.
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* @return Maximum texture size.
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*/
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inline int getMaxTextureSize() const { return _maxTextureSize; }
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/**
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* Get maximum attribute counts.
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* @return Maximum attribute counts.
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*/
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inline int getMaxAttributes() const { return _maxAttributes; }
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/**
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* Get maximum texture unit.
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* @return Maximum texture unit.
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*/
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inline int getMaxTextureUnits() const { return _maxTextureUnits; }
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/**
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* Get maximum sampler count.
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* @return Maximum sampler count.
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*/
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inline int getMaxSamplesAllowed() const { return _maxSamplesAllowed; }
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protected:
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DeviceInfo() = default;
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int _maxAttributes = 0; ///< Maximum attribute count.
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int _maxTextureSize = 0; ///< Maximum texture size.
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int _maxTextureUnits = 0; ///< Maximum texture unit.
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int _maxSamplesAllowed = 0; ///< Maximum sampler count.
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};
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// end of _backend group
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/// @}
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NS_AX_BACKEND_END
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