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Refreshed OpenCL sample for Android.

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This commit is contained in:
Alexander Smorkalov
2023-12-01 17:35:06 +03:00
parent 81656597e9
commit 7f3b6c177f
11 changed files with 131 additions and 89 deletions
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samples/android/tutorial-4-opencl/jni/CLprocessor.cpp
+26 -6
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@@ -1,6 +1,8 @@
#ifdef OPENCL_FOUND
#define __CL_ENABLE_EXCEPTIONS
#define CL_USE_DEPRECATED_OPENCL_1_1_APIS /*let's give a chance for OpenCL 1.1 devices*/
#include <CL/cl.hpp>
#endif
#include <GLES2/gl2.h>
#include <EGL/egl.h>
@@ -10,7 +12,9 @@
#include <opencv2/core/ocl.hpp>
#include "common.hpp"
#include "CLprocessor.hpp"
#ifdef OPENCL_FOUND
const char oclProgB2B[] = "// clBuffer to clBuffer";
const char oclProgI2B[] = "// clImage to clBuffer";
const char oclProgI2I[] = \
@@ -33,7 +37,7 @@ const char oclProgI2I[] = \
" write_imagef(imgOut, pos, sum*10); \n" \
"} \n";
void dumpCLinfo()
static void dumpCLinfo()
{
LOGD("*** OpenCL info ***");
try
@@ -83,7 +87,7 @@ cl::CommandQueue theQueue;
cl::Program theProgB2B, theProgI2B, theProgI2I;
bool haveOpenCL = false;
extern "C" void initCL()
int initCL()
{
dumpCLinfo();
@@ -133,20 +137,24 @@ extern "C" void initCL()
catch(const cl::Error& e)
{
LOGE("cl::Error: %s (%d)", e.what(), e.err());
return 1;
}
catch(const std::exception& e)
{
LOGE("std::exception: %s", e.what());
return 2;
}
catch(...)
{
LOGE( "OpenCL info: unknown error while initializing OpenCL stuff" );
return 3;
}
LOGD("initCL completed");
}
extern "C" void closeCL()
{
if (haveOpenCL)
return 0;
else
return 4;
}
#define GL_TEXTURE_2D 0x0DE1
@@ -230,6 +238,16 @@ void procOCL_OCV(int texIn, int texOut, int w, int h)
cv::ocl::finish();
LOGD("uploading results to texture costs %d ms", getTimeInterval(t));
}
#else
int initCL()
{
return 5;
}
#endif
void closeCL()
{
}
void drawFrameProcCPU(int w, int h, int texOut)
{
@@ -263,7 +281,7 @@ void drawFrameProcCPU(int w, int h, int texOut)
enum ProcMode {PROC_MODE_NO_PROC=0, PROC_MODE_CPU=1, PROC_MODE_OCL_DIRECT=2, PROC_MODE_OCL_OCV=3};
extern "C" void processFrame(int tex1, int tex2, int w, int h, int mode)
void processFrame(int tex1, int tex2, int w, int h, int mode)
{
switch(mode)
{
@@ -271,12 +289,14 @@ extern "C" void processFrame(int tex1, int tex2, int w, int h, int mode)
case PROC_MODE_CPU:
drawFrameProcCPU(w, h, tex2);
break;
#ifdef OPENCL_FOUND
case PROC_MODE_OCL_DIRECT:
procOCL_I2I(tex1, tex2, w, h);
break;
case PROC_MODE_OCL_OCV:
procOCL_OCV(tex1, tex2, w, h);
break;
#endif
default:
LOGE("Unexpected processing mode: %d", mode);
}