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#pragma once
#include "drape/gl_constants.hpp"
#include "drape/hw_texture.hpp"
#include "std/target_os.hpp"
#ifndef OMIM_OS_IPHONE
#error Only for iOS
#endif
#import <CoreVideo/CVPixelBuffer.h>
#import <CoreVideo/CVOpenGLESTexture.h>
#import <CoreVideo/CVOpenGLESTextureCache.h>
namespace dp
{
class HWTextureAllocatorApple : public HWTextureAllocator
{
public:
HWTextureAllocatorApple();
~HWTextureAllocatorApple();
CVPixelBufferRef CVCreatePixelBuffer(uint32_t width, uint32_t height, dp::TextureFormat format);
void CVDestroyPixelBuffer(CVPixelBufferRef buffer);
CVOpenGLESTextureRef CVCreateTexture(CVPixelBufferRef buffer, uint32_t width, uint32_t height,
glConst layout, glConst pixelType);
void CVDestroyTexture(CVOpenGLESTextureRef texture);
void RiseFlushFlag();
drape_ptr<HWTexture> CreateTexture(ref_ptr<dp::GraphicsContext> context) override;
void Flush() override;
private:
bool m_needFlush;
CVOpenGLESTextureCacheRef m_textureCache;
};
class HWTextureApple : public HWTexture
{
using TBase = HWTexture;
public:
explicit HWTextureApple(ref_ptr<HWTextureAllocatorApple> allocator);
~HWTextureApple();
void Create(ref_ptr<dp::GraphicsContext> context, Params const & params, ref_ptr<void> data) override;
void UploadData(ref_ptr<dp::GraphicsContext> context, uint32_t x, uint32_t y,
uint32_t width, uint32_t height, ref_ptr<void> data) override;
void Bind(ref_ptr<dp::GraphicsContext> context) const override;
void SetFilter(TextureFilter filter) override;
bool Validate() const override;
private:
void Lock();
void Unlock();
CVPixelBufferRef m_directBuffer;
CVOpenGLESTextureRef m_texture;
ref_ptr<HWTextureAllocatorApple> m_allocator;
void * m_directPointer;
};
} // namespace dp
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