mirror of https://github.com/axmolengine/axmol.git
101 lines
3.8 KiB
C++
101 lines
3.8 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2018-2019 Xiamen Yaji Software Co., Ltd.
|
|
|
|
http://www.cocos2d-x.org
|
|
|
|
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.
|
|
****************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include "Types.h"
|
|
#include "base/CCRef.h"
|
|
#include <cassert>
|
|
|
|
#include <functional>
|
|
|
|
CC_BACKEND_BEGIN
|
|
|
|
struct TextureDescriptor
|
|
{
|
|
TextureType textureType = TextureType::TEXTURE_2D;
|
|
PixelFormat textureFormat = PixelFormat::RGBA8888;
|
|
TextureUsage textureUsage = TextureUsage::READ;
|
|
uint32_t width = 0;
|
|
uint32_t height = 0;
|
|
uint32_t depth = 0;
|
|
SamplerDescriptor samplerDescriptor;
|
|
};
|
|
|
|
class TextureBackend : public Ref
|
|
{
|
|
public:
|
|
virtual void updateSamplerDescriptor(const SamplerDescriptor &sampler) = 0;
|
|
virtual void getBytes(int x, int y, int width, int height, bool flipImage, std::function<void(const unsigned char*, int, int)> callback) = 0;
|
|
virtual void generateMipmaps() = 0;
|
|
virtual void updateTextureDescriptor(const TextureDescriptor& descriptor);
|
|
|
|
inline PixelFormat getTextureFormat() const { return _textureFormat; }
|
|
inline TextureUsage getTextureUsage() const { return _textureUsage; }
|
|
inline TextureType getTextureType() const { return _textureType; }
|
|
inline bool hasMipmaps() const { return _hasMipmaps; }
|
|
|
|
protected:
|
|
TextureBackend(const TextureDescriptor& descriptor);
|
|
virtual ~TextureBackend();
|
|
|
|
// The bytes of all components.
|
|
uint8_t _bitsPerElement = 0;
|
|
bool _hasMipmaps = false;
|
|
bool _isCompressed = false;
|
|
uint32_t _width = 0;
|
|
uint32_t _height = 0;
|
|
|
|
TextureType _textureType = TextureType::TEXTURE_2D;
|
|
PixelFormat _textureFormat = PixelFormat::RGBA8888;
|
|
TextureUsage _textureUsage = TextureUsage::READ;
|
|
};
|
|
|
|
|
|
class Texture2DBackend : public TextureBackend
|
|
{
|
|
public:
|
|
virtual void updateData(uint8_t* data, uint32_t width , uint32_t height, uint32_t level) = 0;
|
|
virtual void updateCompressedData(uint8_t* data, uint32_t width , uint32_t height, uint32_t dataLen, uint32_t level) = 0;
|
|
virtual void updateSubData(uint32_t xoffset, uint32_t yoffset, uint32_t width, uint32_t height, uint32_t level, uint8_t* data) = 0;
|
|
virtual void updateCompressedSubData(uint32_t xoffset, uint32_t yoffset, uint32_t width, uint32_t height, uint32_t dataLen, uint32_t level, uint8_t* data) = 0;
|
|
|
|
inline uint32_t getWidth() const { return _width; }
|
|
inline uint32_t getHeight() const { return _height; }
|
|
|
|
protected:
|
|
Texture2DBackend(const TextureDescriptor& descriptor);
|
|
};
|
|
|
|
class TextureCubemapBackend : public TextureBackend
|
|
{
|
|
public:
|
|
virtual void updateFaceData(TextureCubeFace side, void *data) = 0;
|
|
|
|
protected:
|
|
TextureCubemapBackend(const TextureDescriptor& descriptor);
|
|
};
|
|
|
|
CC_BACKEND_END
|