6b87df2997
Since we just 'define' them, but not attribute anything to them, like '1' for example, cpp expands it to nothing and that breaks the "#if" clauses. To fix that, uses "#if defined(...)" which will correctly check if your macro name was defined or not. BUG=skia:2850 TEST=make most R=robertphillips@google.com Review URL: https://codereview.chromium.org/628763005
98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkCLImageDiffer_DEFINED
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#define SkCLImageDiffer_DEFINED
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#if defined(SK_BUILD_FOR_MAC)
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# include <OpenCL/cl.h>
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#else
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# include <CL/cl.h>
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#endif
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#include "SkTDArray.h"
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#include "SkImageDiffer.h"
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class SkStream;
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/**
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* An SkImageDiffer that requires initialization with an OpenCL device and context.
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*/
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class SkCLImageDiffer : public SkImageDiffer {
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public:
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SkCLImageDiffer();
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virtual bool requiresOpenCL() const SK_OVERRIDE { return true; }
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/**
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* Initializes the OpenCL resources this differ needs to work
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* @param device An OpenCL device
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* @param context An OpenCL context of the given device
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* @return True on success, false otherwise
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*/
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virtual bool init(cl_device_id device, cl_context context);
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protected:
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/**
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* Called by init after fDevice, fContext, and fCommandQueue are successfully initialized
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* @return True on success, false otherwise
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*/
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virtual bool onInit() = 0;
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/**
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* Loads an OpenCL kernel from the file with the given named entry point. This only works after
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* init is called.
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* @param file The file path of the kernel
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* @param name The name of the entry point of the desired kernel in the file
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* @param kernel A pointer to return the loaded kernel into
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* @return True on success, false otherwise
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*/
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bool loadKernelFile(const char file[], const char name[], cl_kernel* kernel);
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/**
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* Loads an OpenCL kernel from the stream with the given named entry point. This only works
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* after init is called.
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* @param stream The stream that contains the kernel
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* @param name The name of the entry point of the desired kernel in the stream
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* @param kernel A pointer to return the loaded kernel into
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* @return True on success, false otherwise
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*/
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bool loadKernelStream(SkStream* stream, const char name[], cl_kernel* kernel);
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/**
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* Loads an OpenCL kernel from the source string with the given named entry point. This only
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* works after init is called.
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* @param source The string that contains the kernel
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* @param name The name of the entry point of the desired kernel in the source string
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* @param kernel A pointer to return the loaded kernel into
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* @return True on success, false otherwise
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*/
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bool loadKernelSource(const char source[], const char name[], cl_kernel* kernel);
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/**
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* Loads a read only copy of the given bitmap into device memory and returns the block of
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* memory. This only works after init is called.
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* @param bitmap The bitmap to load into memory
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* @param image A pointer to return the allocated image to
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* @return True on success, false otherwise
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*/
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bool makeImage2D(SkBitmap* bitmap, cl_mem* image) const;
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cl_device_id fDevice;
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cl_context fContext;
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cl_command_queue fCommandQueue;
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protected:
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bool fIsGood;
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private:
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typedef SkImageDiffer INHERITED;
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};
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#endif
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