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This commit is contained in:
halx99 2020-09-10 21:41:52 +08:00
parent dc3796d746
commit 2cc14ef4d7
1 changed files with 8 additions and 0 deletions
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8
cocos/renderer/backend/metal/Utils.h
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@ -92,6 +92,14 @@ public:
*/
static void getTextureBytes(std::size_t origX, std::size_t origY, std::size_t rectWidth, std::size_t rectHeight, id<MTLTexture> texture, std::function<void(const unsigned char*, std::size_t, std::size_t)> callback);
/**
* Read a block of pixels from the given texture
* @param texture Specifies the texture to get the image.
* @param origX,origY Specify the window coordinates of the first pixel that is read from the given texture. This location is the lower left corner of a rectangular block of pixels.
* @param rectWidth,rectHeight Specify the dimensions of the pixel rectangle. rectWidth and rectHeight of one correspond to a single pixel.
* @param outbuffer, the output buffer for fill texels data
* @remark: !!!this function only can call after endFrame, then it's could be works well.
*/
static void readPixels(id<MTLTexture> texture, std::size_t origX, std::size_t origY, std::size_t rectWidth, std::size_t rectHeight, PixelBufferDescriptor& outbuffer);
/**