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//
// Copyright (c) 2017 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "action_classes.h"
#pragma mark -------------------- Base Action Class -------------------------
const cl_uint BufferSizeReductionFactor = 20;
cl_int Action::IGetPreferredImageSize2D(cl_device_id device, size_t &outWidth,
size_t &outHeight)
{
cl_ulong maxAllocSize;
size_t maxWidth, maxHeight;
cl_int error;
// Get the largest possible buffer we could allocate
error = clGetDeviceInfo(device, CL_DEVICE_MAX_MEM_ALLOC_SIZE,
sizeof(maxAllocSize), &maxAllocSize, NULL);
error |= clGetDeviceInfo(device, CL_DEVICE_IMAGE2D_MAX_WIDTH,
sizeof(maxWidth), &maxWidth, NULL);
error |= clGetDeviceInfo(device, CL_DEVICE_IMAGE2D_MAX_HEIGHT,
sizeof(maxHeight), &maxHeight, NULL);
test_error(error, "Unable to get device config");
// Create something of a decent size
if (maxWidth * maxHeight * 4 > maxAllocSize / BufferSizeReductionFactor)
{
float rootSize =
sqrtf((float)(maxAllocSize / (BufferSizeReductionFactor * 4)));
if ((size_t)rootSize > maxWidth)
outWidth = maxWidth;
else
outWidth = (size_t)rootSize;
outHeight = (size_t)((maxAllocSize / (BufferSizeReductionFactor * 4))
/ outWidth);
if (outHeight > maxHeight) outHeight = maxHeight;
}
else
{
outWidth = maxWidth;
outHeight = maxHeight;
}
outWidth /= 2;
outHeight /= 2;
if (outWidth > 2048) outWidth = 2048;
if (outHeight > 2048) outHeight = 2048;
log_info("\tImage size: %d x %d (%gMB)\n", (int)outWidth, (int)outHeight,
(double)((int)outWidth * (int)outHeight * 4) / (1024.0 * 1024.0));
return CL_SUCCESS;
}
cl_int Action::IGetPreferredImageSize3D(cl_device_id device, size_t &outWidth,
size_t &outHeight, size_t &outDepth)
{
cl_ulong maxAllocSize;
size_t maxWidth, maxHeight, maxDepth;
cl_int error;
// Get the largest possible buffer we could allocate
error = clGetDeviceInfo(device, CL_DEVICE_MAX_MEM_ALLOC_SIZE,
sizeof(maxAllocSize), &maxAllocSize, NULL);
error |= clGetDeviceInfo(device, CL_DEVICE_IMAGE3D_MAX_WIDTH,
sizeof(maxWidth), &maxWidth, NULL);
error |= clGetDeviceInfo(device, CL_DEVICE_IMAGE3D_MAX_HEIGHT,
sizeof(maxHeight), &maxHeight, NULL);
error |= clGetDeviceInfo(device, CL_DEVICE_IMAGE3D_MAX_DEPTH,
sizeof(maxDepth), &maxDepth, NULL);
test_error(error, "Unable to get device config");
// Create something of a decent size
if ((cl_ulong)maxWidth * maxHeight * maxDepth
> maxAllocSize / (BufferSizeReductionFactor * 4))
{
float rootSize =
cbrtf((float)(maxAllocSize / (BufferSizeReductionFactor * 4)));
if ((size_t)rootSize > maxWidth)
outWidth = maxWidth;
else
outWidth = (size_t)rootSize;
if ((size_t)rootSize > maxHeight)
outHeight = maxHeight;
else
outHeight = (size_t)rootSize;
outDepth = (size_t)((maxAllocSize / (BufferSizeReductionFactor * 4))
/ (outWidth * outHeight));
if (outDepth > maxDepth) outDepth = maxDepth;
}
else
{
outWidth = maxWidth;
outHeight = maxHeight;
outDepth = maxDepth;
}
outWidth /= 2;
outHeight /= 2;
outDepth /= 2;
if (outWidth > 512) outWidth = 512;
if (outHeight > 512) outHeight = 512;
if (outDepth > 512) outDepth = 512;
log_info("\tImage size: %d x %d x %d (%gMB)\n", (int)outWidth,
(int)outHeight, (int)outDepth,
(double)((int)outWidth * (int)outHeight * (int)outDepth * 4)
/ (1024.0 * 1024.0));
return CL_SUCCESS;
}
#pragma mark -------------------- Execution Sub-Classes -------------------------
cl_int NDRangeKernelAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
const char *long_kernel[] = {
"__kernel void sample_test(__global float *src, __global int *dst)\n"
"{\n"
" int tid = get_global_id(0);\n"
" int i;\n"
"\n"
" for( i = 0; i < 100000; i++ )\n"
" {\n"
" dst[tid] = (int)src[tid] * 3;\n"
" }\n"
"\n"
"}\n"
};
size_t threads[1] = { 1000 };
int error;
if (create_single_kernel_helper(context, &mProgram, &mKernel, 1,
long_kernel, "sample_test"))
{
return -1;
}
error = get_max_common_work_group_size(context, mKernel, threads[0],
&mLocalThreads[0]);
test_error(error, "Unable to get work group size to use");
mStreams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_float) * 1000, NULL, &error);
test_error(error, "Creating test array failed");
mStreams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_int) * 1000, NULL, &error);
test_error(error, "Creating test array failed");
/* Set the arguments */
error = clSetKernelArg(mKernel, 0, sizeof(mStreams[0]), &mStreams[0]);
test_error(error, "Unable to set kernel arguments");
error = clSetKernelArg(mKernel, 1, sizeof(mStreams[1]), &mStreams[1]);
test_error(error, "Unable to set kernel arguments");
return CL_SUCCESS;
}
cl_int NDRangeKernelAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
size_t threads[1] = { 1000 };
cl_int error =
clEnqueueNDRangeKernel(queue, mKernel, 1, NULL, threads, mLocalThreads,
numWaits, waits, outEvent);
test_error(error, "Unable to execute kernel");
return CL_SUCCESS;
}
#pragma mark -------------------- Buffer Sub-Classes -------------------------
cl_int BufferAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue, bool allocate)
{
cl_int error;
cl_ulong maxAllocSize;
// Get the largest possible buffer we could allocate
error = clGetDeviceInfo(device, CL_DEVICE_MAX_MEM_ALLOC_SIZE,
sizeof(maxAllocSize), &maxAllocSize, NULL);
// Don't create a buffer quite that big, just so we have some space left
// over for other work
mSize = (size_t)(maxAllocSize / BufferSizeReductionFactor);
// Cap at 128M so tests complete in a reasonable amount of time.
if (mSize > 128 << 20) mSize = 128 << 20;
mSize /= 2;
log_info("\tBuffer size: %gMB\n", (double)mSize / (1024.0 * 1024.0));
mBuffer = clCreateBuffer(context, CL_MEM_READ_WRITE | CL_MEM_ALLOC_HOST_PTR,
mSize, NULL, &error);
test_error(error, "Unable to create buffer to test against");
mOutBuffer = malloc(mSize);
if (mOutBuffer == NULL)
{
log_error("ERROR: Unable to allocate temp buffer (out of memory)\n");
return CL_OUT_OF_RESOURCES;
}
return CL_SUCCESS;
}
cl_int ReadBufferAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
return BufferAction::Setup(device, context, queue, true);
}
cl_int ReadBufferAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
cl_int error = clEnqueueReadBuffer(queue, mBuffer, CL_FALSE, 0, mSize,
mOutBuffer, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue buffer read");
return CL_SUCCESS;
}
cl_int WriteBufferAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
return BufferAction::Setup(device, context, queue, true);
}
cl_int WriteBufferAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
cl_int error = clEnqueueWriteBuffer(queue, mBuffer, CL_FALSE, 0, mSize,
mOutBuffer, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue buffer write");
return CL_SUCCESS;
}
MapBufferAction::~MapBufferAction()
{
if (mQueue)
clEnqueueUnmapMemObject(mQueue, mBuffer, mMappedPtr, 0, NULL, NULL);
}
cl_int MapBufferAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
return BufferAction::Setup(device, context, queue, false);
}
cl_int MapBufferAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
cl_int error;
mQueue = queue;
mMappedPtr = clEnqueueMapBuffer(queue, mBuffer, CL_FALSE, CL_MAP_READ, 0,
mSize, numWaits, waits, outEvent, &error);
test_error(error, "Unable to enqueue buffer map");
return CL_SUCCESS;
}
cl_int UnmapBufferAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error = BufferAction::Setup(device, context, queue, false);
if (error != CL_SUCCESS) return error;
mMappedPtr = clEnqueueMapBuffer(queue, mBuffer, CL_TRUE, CL_MAP_READ, 0,
mSize, 0, NULL, NULL, &error);
test_error(error, "Unable to enqueue buffer map");
return CL_SUCCESS;
}
cl_int UnmapBufferAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
cl_int error = clEnqueueUnmapMemObject(queue, mBuffer, mMappedPtr, numWaits,
waits, outEvent);
test_error(error, "Unable to enqueue buffer unmap");
return CL_SUCCESS;
}
#pragma mark -------------------- Read/Write Image Classes -------------------------
cl_int ReadImage2DAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize2D(device, mWidth, mHeight)))
return error;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mImage = create_image_2d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mOutput = malloc(mWidth * mHeight * 4);
if (mOutput == NULL)
{
log_error("ERROR: Unable to allocate buffer: out of memory\n");
return CL_OUT_OF_RESOURCES;
}
return CL_SUCCESS;
}
cl_int ReadImage2DAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, 1 };
cl_int error = clEnqueueReadImage(queue, mImage, CL_FALSE, origin, region,
0, 0, mOutput, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue image read");
return CL_SUCCESS;
}
cl_int ReadImage3DAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize3D(device, mWidth, mHeight, mDepth)))
return error;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mImage = create_image_3d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, mDepth, 0, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mOutput = malloc(mWidth * mHeight * mDepth * 4);
if (mOutput == NULL)
{
log_error("ERROR: Unable to allocate buffer: out of memory\n");
return CL_OUT_OF_RESOURCES;
}
return CL_SUCCESS;
}
cl_int ReadImage3DAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, mDepth };
cl_int error = clEnqueueReadImage(queue, mImage, CL_FALSE, origin, region,
0, 0, mOutput, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue image read");
return CL_SUCCESS;
}
cl_int WriteImage2DAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize2D(device, mWidth, mHeight)))
return error;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mImage = create_image_2d(context, CL_MEM_WRITE_ONLY, &format, mWidth,
mHeight, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mOutput = malloc(mWidth * mHeight * 4);
if (mOutput == NULL)
{
log_error("ERROR: Unable to allocate buffer: out of memory\n");
return CL_OUT_OF_RESOURCES;
}
return CL_SUCCESS;
}
cl_int WriteImage2DAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, 1 };
cl_int error =
clEnqueueWriteImage(queue, mImage, CL_FALSE, origin, region, 0, 0,
mOutput, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue image write");
return CL_SUCCESS;
}
cl_int WriteImage3DAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize3D(device, mWidth, mHeight, mDepth)))
return error;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mImage = create_image_3d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, mDepth, 0, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mOutput = malloc(mWidth * mHeight * mDepth * 4);
if (mOutput == NULL)
{
log_error("ERROR: Unable to allocate buffer: out of memory\n");
return CL_OUT_OF_RESOURCES;
}
return CL_SUCCESS;
}
cl_int WriteImage3DAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, mDepth };
cl_int error =
clEnqueueWriteImage(queue, mImage, CL_FALSE, origin, region, 0, 0,
mOutput, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue image write");
return CL_SUCCESS;
}
#pragma mark -------------------- Copy Image Classes -------------------------
cl_int CopyImageAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, mDepth };
cl_int error =
clEnqueueCopyImage(queue, mSrcImage, mDstImage, origin, origin, region,
numWaits, waits, outEvent);
test_error(error, "Unable to enqueue image copy");
return CL_SUCCESS;
}
cl_int CopyImage2Dto2DAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize2D(device, mWidth, mHeight)))
return error;
mWidth /= 2;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mSrcImage = create_image_2d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mDstImage = create_image_2d(context, CL_MEM_WRITE_ONLY, &format, mWidth,
mHeight, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mDepth = 1;
return CL_SUCCESS;
}
cl_int CopyImage2Dto3DAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize3D(device, mWidth, mHeight, mDepth)))
return error;
mDepth /= 2;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mSrcImage = create_image_2d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mDstImage = create_image_3d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, mDepth, 0, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mDepth = 1;
return CL_SUCCESS;
}
cl_int CopyImage3Dto2DAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize3D(device, mWidth, mHeight, mDepth)))
return error;
mDepth /= 2;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mSrcImage = create_image_3d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, mDepth, 0, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mDstImage = create_image_2d(context, CL_MEM_WRITE_ONLY, &format, mWidth,
mHeight, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mDepth = 1;
return CL_SUCCESS;
}
cl_int CopyImage3Dto3DAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize3D(device, mWidth, mHeight, mDepth)))
return error;
mDepth /= 2;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mSrcImage = create_image_3d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, mDepth, 0, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mDstImage = create_image_3d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, mDepth, 0, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
return CL_SUCCESS;
}
#pragma mark -------------------- Copy Image/Buffer Classes -------------------------
cl_int Copy2DImageToBufferAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize2D(device, mWidth, mHeight)))
return error;
mWidth /= 2;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mSrcImage = create_image_2d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mDstBuffer = clCreateBuffer(context, CL_MEM_WRITE_ONLY,
mWidth * mHeight * 4, NULL, &error);
test_error(error, "Unable to create buffer to test against");
return CL_SUCCESS;
}
cl_int Copy2DImageToBufferAction::Execute(cl_command_queue queue,
cl_uint numWaits, cl_event *waits,
cl_event *outEvent)
{
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, 1 };
cl_int error =
clEnqueueCopyImageToBuffer(queue, mSrcImage, mDstBuffer, origin, region,
0, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue image to buffer copy");
return CL_SUCCESS;
}
cl_int Copy3DImageToBufferAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize3D(device, mWidth, mHeight, mDepth)))
return error;
mDepth /= 2;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mSrcImage = create_image_3d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, mDepth, 0, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
mDstBuffer = clCreateBuffer(context, CL_MEM_WRITE_ONLY,
mWidth * mHeight * mDepth * 4, NULL, &error);
test_error(error, "Unable to create buffer to test against");
return CL_SUCCESS;
}
cl_int Copy3DImageToBufferAction::Execute(cl_command_queue queue,
cl_uint numWaits, cl_event *waits,
cl_event *outEvent)
{
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, mDepth };
cl_int error =
clEnqueueCopyImageToBuffer(queue, mSrcImage, mDstBuffer, origin, region,
0, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue image to buffer copy");
return CL_SUCCESS;
}
cl_int CopyBufferTo2DImageAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize2D(device, mWidth, mHeight)))
return error;
mWidth /= 2;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mSrcBuffer = clCreateBuffer(context, CL_MEM_READ_ONLY, mWidth * mHeight * 4,
NULL, &error);
test_error(error, "Unable to create buffer to test against");
mDstImage = create_image_2d(context, CL_MEM_WRITE_ONLY, &format, mWidth,
mHeight, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
return CL_SUCCESS;
}
cl_int CopyBufferTo2DImageAction::Execute(cl_command_queue queue,
cl_uint numWaits, cl_event *waits,
cl_event *outEvent)
{
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, 1 };
cl_int error =
clEnqueueCopyBufferToImage(queue, mSrcBuffer, mDstImage, 0, origin,
region, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue buffer to image copy");
return CL_SUCCESS;
}
cl_int CopyBufferTo3DImageAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize3D(device, mWidth, mHeight, mDepth)))
return error;
mDepth /= 2;
mSrcBuffer = clCreateBuffer(context, CL_MEM_READ_ONLY,
mWidth * mHeight * mDepth * 4, NULL, &error);
test_error(error, "Unable to create buffer to test against");
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mDstImage = create_image_3d(context, CL_MEM_READ_ONLY, &format, mWidth,
mHeight, mDepth, 0, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
return CL_SUCCESS;
}
cl_int CopyBufferTo3DImageAction::Execute(cl_command_queue queue,
cl_uint numWaits, cl_event *waits,
cl_event *outEvent)
{
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, mDepth };
cl_int error =
clEnqueueCopyBufferToImage(queue, mSrcBuffer, mDstImage, 0, origin,
region, numWaits, waits, outEvent);
test_error(error, "Unable to enqueue buffer to image copy");
return CL_SUCCESS;
}
#pragma mark -------------------- Map Image Class -------------------------
MapImageAction::~MapImageAction()
{
if (mQueue)
clEnqueueUnmapMemObject(mQueue, mImage, mMappedPtr, 0, NULL, NULL);
}
cl_int MapImageAction::Setup(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error;
if ((error = IGetPreferredImageSize2D(device, mWidth, mHeight)))
return error;
cl_image_format format = { CL_RGBA, CL_SIGNED_INT8 };
mImage = create_image_2d(context, CL_MEM_READ_ONLY | CL_MEM_ALLOC_HOST_PTR,
&format, mWidth, mHeight, 0, NULL, &error);
test_error(error, "Unable to create image to test against");
return CL_SUCCESS;
}
cl_int MapImageAction::Execute(cl_command_queue queue, cl_uint numWaits,
cl_event *waits, cl_event *outEvent)
{
cl_int error;
size_t origin[3] = { 0, 0, 0 }, region[3] = { mWidth, mHeight, 1 };
size_t outPitch;
mQueue = queue;
mMappedPtr =
clEnqueueMapImage(queue, mImage, CL_FALSE, CL_MAP_READ, origin, region,
&outPitch, NULL, numWaits, waits, outEvent, &error);
test_error(error, "Unable to enqueue image map");
return CL_SUCCESS;
}