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@ -179,17 +179,9 @@ int main(int argc, char* argv[])
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int err = 0;
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cl_mem workerCountBuffer = clCreateBuffer(context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, sizeof(int), &WORKER_SIZE, &err);
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cl_mem gridWidthBuffer = clCreateBuffer(context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, sizeof(int), &GRID_WIDTH, &err);
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cl_mem gridHeightBuffer = clCreateBuffer(context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, sizeof(int), &GRID_HEIGHT, &err);
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status = clSetKernelArg(kernel, 1, sizeof(cl_mem), (void *)&workerCountBuffer);
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status = clSetKernelArg(kernel, 2, sizeof(cl_mem), (void *)&gridWidthBuffer);
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status = clSetKernelArg(kernel, 3, sizeof(cl_mem), (void *)&gridHeightBuffer);
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// ===================================== Loop ==================================================================
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while (window.isOpen()) {
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@ -218,20 +210,33 @@ int main(int argc, char* argv[])
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window.clear(sf::Color(49, 68, 72));
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cl_mem inputBuffer = clCreateBuffer(context, CL_MEM_READ_WRITE | CL_MEM_COPY_HOST_PTR, GRID_WIDTH * GRID_HEIGHT * 2 * sizeof(char), (void*)grid, &err);
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cl_mem workerCountBuffer = clCreateBuffer(context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, sizeof(int), &WORKER_SIZE, &err);
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cl_mem gridWidthBuffer = clCreateBuffer(context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, sizeof(int), &GRID_WIDTH, &err);
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cl_mem gridHeightBuffer = clCreateBuffer(context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, sizeof(int), &GRID_HEIGHT, &err);
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status = clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *)&inputBuffer);
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status = clSetKernelArg(kernel, 1, sizeof(cl_mem), (void *)&workerCountBuffer);
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status = clSetKernelArg(kernel, 2, sizeof(cl_mem), (void *)&gridWidthBuffer);
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status = clSetKernelArg(kernel, 3, sizeof(cl_mem), (void *)&gridHeightBuffer);
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//status = clEnqueueWriteBuffer(commandQueue, inputBuffer, CL_TRUE, 0, GRID_WIDTH * GRID_HEIGHT * 2 * sizeof(char), (void*)grid, NULL, 0, NULL);
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// One work item per group, don't really know if this impacts performance
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size_t global_work_size[1] = { 1 };
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size_t global_work_size[1] = { 100 };
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// Run the kernel
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status = clEnqueueNDRangeKernel(commandQueue, kernel, 1, NULL, global_work_size, NULL, 0, NULL, NULL);
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// Get output, put back into grid
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//cl_mem outputBuffer = clCreateBuffer(context, CL_MEM_WRITE_ONLY, GRID_WIDTH * GRID_HEIGHT * 2 * sizeof(char), grid, NULL);
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status = clEnqueueReadBuffer(commandQueue, inputBuffer, CL_TRUE, 0, GRID_WIDTH * GRID_HEIGHT * 2 * sizeof(char), grid, 0, NULL, NULL);
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status = clEnqueueReadBuffer(commandQueue, inputBuffer, CL_TRUE, 0, GRID_WIDTH * GRID_HEIGHT * 2 * sizeof(char), (void*)grid, 0, NULL, NULL);
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// Temporary
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status = clReleaseMemObject(inputBuffer);
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status = clReleaseMemObject(workerCountBuffer);
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status = clReleaseMemObject(gridWidthBuffer);
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status = clReleaseMemObject(gridHeightBuffer);
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// Swap status's
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for (int i = 0; i < GRID_WIDTH * GRID_HEIGHT * 2; i += 2) {
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@ -251,9 +256,7 @@ int main(int argc, char* argv[])
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}
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status = clReleaseMemObject(workerCountBuffer);
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status = clReleaseMemObject(gridWidthBuffer);
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status = clReleaseMemObject(gridHeightBuffer);
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/*Step 12: Clean the resources.*/
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status = clReleaseKernel(kernel); //Release kernel.
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