Andrey Pavlenko
10 years ago
parent
2a6d4b6ee2
commit
274aba1a89
4 changed files with 201 additions and 14 deletions
@ -1,9 +1,14 @@ |
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LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS) |
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LOCAL_MODULE := OpenCL
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LOCAL_SRC_FILES := $(OPENCL_SDK)/lib/$(TARGET_ARCH_ABI)/libOpenCL.so
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LOCAL_EXPORT_C_INCLUDES := $(OPENCL_SDK)/include
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include $(PREBUILT_SHARED_LIBRARY) |
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include $(CLEAR_VARS) |
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LOCAL_MODULE := JNIrender
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LOCAL_SRC_FILES := jni.c GLrender.cpp
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LOCAL_LDLIBS += -llog -lGLESv2 -lEGL
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LOCAL_SRC_FILES := jni.c GLrender.cpp CLprocessor.cpp
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LOCAL_LDLIBS := -llog -lGLESv2 -lEGL
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LOCAL_SHARED_LIBRARIES := OpenCL
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include $(BUILD_SHARED_LIBRARY) |
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@ -1,4 +1,4 @@ |
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#APP_STL := gnustl_shared
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#APP_GNUSTL_FORCE_CPP_FEATURES := exceptions rtti
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APP_STL := gnustl_static
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APP_GNUSTL_FORCE_CPP_FEATURES := exceptions rtti
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APP_ABI := armeabi-v7a
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APP_PLATFORM := android-14
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@ -0,0 +1,168 @@ |
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#define __CL_ENABLE_EXCEPTIONS |
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#include <CL/cl.hpp> |
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#include <EGL/egl.h> |
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#include "common.hpp" |
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const char oclProgB2B[] = "// clBuffer to clBuffer"; |
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const char oclProgI2B[] = "// clImage to clBuffer"; |
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const char oclProgI2I[] = \
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"__constant sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_CLAMP_TO_EDGE | CLK_FILTER_NEAREST; \n" \
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"\n" \
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"__kernel void blur( \n" \
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" __read_only image2d_t imgIn, \n" \
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" __write_only image2d_t imgOut, \n" \
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" __private int size \n" \
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" ) { \n" \
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" \n" \
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" const int2 pos = {get_global_id(0), get_global_id(1)}; \n" \
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" \n" \
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" float4 sum = (float4) 0.0f; \n" \
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" for(int x = -size/2; x <= size/2; x++) { \n" \
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" for(int y = -size/2; y <= size/2; y++) { \n" \
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" sum += read_imagef(imgIn, sampler, pos + (int2)(x,y)); \n" \
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" } \n" \
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" } \n" \
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" \n" \
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" write_imagef(imgOut, pos, sum/size/size); \n" \
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"} \n"; |
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void dumpCLinfo() |
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{ |
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LOGD("*** OpenCL info ***"); |
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try |
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{ |
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std::vector<cl::Platform> platforms; |
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cl::Platform::get(&platforms); |
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LOGD("OpenCL info: Found %d OpenCL platforms", platforms.size()); |
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for (int i = 0; i < platforms.size(); ++i) |
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{ |
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std::string name = platforms[i].getInfo<CL_PLATFORM_NAME>(); |
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std::string version = platforms[i].getInfo<CL_PLATFORM_VERSION>(); |
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std::string profile = platforms[i].getInfo<CL_PLATFORM_PROFILE>(); |
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std::string extensions = platforms[i].getInfo<CL_PLATFORM_EXTENSIONS>(); |
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LOGD( "OpenCL info: Platform[%d] = %s, ver = %s, prof = %s, ext = %s", |
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i, name.c_str(), version.c_str(), profile.c_str(), extensions.c_str() ); |
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} |
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std::vector<cl::Device> devices; |
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platforms[0].getDevices(CL_DEVICE_TYPE_ALL, &devices); |
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for (int i = 0; i < devices.size(); ++i) |
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{ |
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std::string name = devices[i].getInfo<CL_DEVICE_NAME>(); |
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std::string extensions = devices[i].getInfo<CL_DEVICE_EXTENSIONS>(); |
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cl_ulong type = devices[i].getInfo<CL_DEVICE_TYPE>(); |
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LOGD( "OpenCL info: Device[%d] = %s (%s), ext = %s", |
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i, name.c_str(), (type==CL_DEVICE_TYPE_GPU ? "GPU" : "CPU"), extensions.c_str() ); |
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} |
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} |
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catch(cl::Error& e) |
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{ |
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LOGE( "OpenCL info: error while gathering OpenCL info: %s (%d)", e.what(), e.err() ); |
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} |
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catch(std::exception& e) |
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{ |
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LOGE( "OpenCL info: error while gathering OpenCL info: %s", e.what() ); |
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} |
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catch(...) |
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{ |
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LOGE( "OpenCL info: unknown error while gathering OpenCL info" ); |
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} |
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LOGD("*******************"); |
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} |
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cl::Context theContext; |
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cl::CommandQueue theQueue; |
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cl::Program theProgB2B, theProgI2B, theProgI2I; |
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void initCL() |
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{ |
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EGLDisplay mEglDisplay = eglGetCurrentDisplay(); |
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if (mEglDisplay == EGL_NO_DISPLAY) |
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LOGE("initCL: eglGetCurrentDisplay() returned 'EGL_NO_DISPLAY', error = %x", eglGetError()); |
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EGLContext mEglContext = eglGetCurrentContext(); |
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if (mEglContext == EGL_NO_CONTEXT) |
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LOGE("initCL: eglGetCurrentContext() returned 'EGL_NO_CONTEXT', error = %x", eglGetError()); |
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cl_context_properties props[] = |
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{ CL_GL_CONTEXT_KHR, (cl_context_properties) mEglContext, |
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CL_EGL_DISPLAY_KHR, (cl_context_properties) mEglDisplay, |
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CL_CONTEXT_PLATFORM, 0, |
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0 }; |
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try |
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{ |
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cl::Platform p = cl::Platform::getDefault(); |
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std::string ext = p.getInfo<CL_PLATFORM_EXTENSIONS>(); |
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if(ext.find("cl_khr_gl_sharing") == std::string::npos) |
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LOGE("Warning: CL-GL sharing isn't supported by PLATFORM"); |
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props[5] = (cl_context_properties) p(); |
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theContext = cl::Context(CL_DEVICE_TYPE_GPU, props); |
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std::vector<cl::Device> devs = theContext.getInfo<CL_CONTEXT_DEVICES>(); |
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LOGD("Context returned %d devices, taking the 1st one", devs.size()); |
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ext = devs[0].getInfo<CL_DEVICE_EXTENSIONS>(); |
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if(ext.find("cl_khr_gl_sharing") == std::string::npos) |
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LOGE("Warning: CL-GL sharing isn't supported by DEVICE"); |
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theQueue = cl::CommandQueue(theContext, devs[0]); |
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cl::Program::Sources src(1, std::make_pair(oclProgI2I, sizeof(oclProgI2I))); |
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theProgI2I = cl::Program(theContext, src); |
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theProgI2I.build(devs); |
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} |
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catch(cl::Error& e) |
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{ |
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LOGE("cl::Error: %s (%d)", e.what(), e.err()); |
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} |
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catch(std::exception& e) |
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{ |
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LOGE("std::exception: %s", e.what()); |
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} |
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catch(...) |
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{ |
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LOGE( "OpenCL info: unknown error while initializing OpenCL stuff" ); |
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} |
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LOGD("initCL completed"); |
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} |
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void closeCL() |
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{ |
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} |
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#define GL_TEXTURE_2D 0x0DE1 |
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void procOCL_I2I(int texIn, int texOut, int w, int h) |
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{ |
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LOGD("procOCL_I2I(%d, %d, %d, %d)", texIn, texOut, w, h); |
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cl::ImageGL imgIn (theContext, CL_MEM_READ_ONLY, GL_TEXTURE_2D, 0, texIn); |
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cl::ImageGL imgOut(theContext, CL_MEM_WRITE_ONLY, GL_TEXTURE_2D, 0, texOut); |
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std::vector < cl::Memory > images; |
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images.push_back(imgIn); |
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images.push_back(imgOut); |
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int64_t t = getTimeMs(); |
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theQueue.enqueueAcquireGLObjects(&images); |
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theQueue.finish(); |
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LOGD("enqueueAcquireGLObjects() costs %d ms", getTimeInterval(t)); |
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t = getTimeMs(); |
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cl::Kernel blur(theProgI2I, "blur"); //TODO: may be done once
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blur.setArg(0, imgIn); |
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blur.setArg(1, imgOut); |
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blur.setArg(2, 5); //5x5
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theQueue.finish(); |
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LOGD("Kernel() costs %d ms", getTimeInterval(t)); |
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t = getTimeMs(); |
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theQueue.enqueueNDRangeKernel(blur, cl::NullRange, cl::NDRange(w, h), cl::NullRange); |
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theQueue.finish(); |
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LOGD("enqueueNDRangeKernel() costs %d ms", getTimeInterval(t)); |
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t = getTimeMs(); |
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theQueue.enqueueReleaseGLObjects(&images); |
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theQueue.finish(); |
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LOGD("enqueueReleaseGLObjects() costs %d ms", getTimeInterval(t)); |
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} |
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