From: Tom Stellard <[email protected]> --- tests/all_cl.tests | 1 + tests/cl/custom/CMakeLists.cl.txt | 1 + tests/cl/custom/r600-create-release-buffer-bug.c | 136 +++++++++++++++++++++++ 3 files changed, 138 insertions(+) create mode 100644 tests/cl/custom/r600-create-release-buffer-bug.c
diff --git a/tests/all_cl.tests b/tests/all_cl.tests index 3a9766e..0ce02be 100644 --- a/tests/all_cl.tests +++ b/tests/all_cl.tests @@ -39,6 +39,7 @@ profile.tests['Program'] = program # Custom add_plain_test(custom, 'Run simple kernel', ['cl-custom-run-simple-kernel']) add_plain_test(custom, 'Flush after enqueue kernel', ['cl-custom-flush-after-enqueue-kernel']) +add_plain_test(custom, 'r600 create release buffer bug', ['cl-custom-r600-create-release-buffer-bug']) # API # Platform diff --git a/tests/cl/custom/CMakeLists.cl.txt b/tests/cl/custom/CMakeLists.cl.txt index 96deea3..70649ea 100644 --- a/tests/cl/custom/CMakeLists.cl.txt +++ b/tests/cl/custom/CMakeLists.cl.txt @@ -1,2 +1,3 @@ piglit_cl_add_custom_test (run-simple-kernel run-simple-kernel.c) piglit_cl_add_custom_test (flush-after-enqueue-kernel flush-after-enqueue-kernel.c) +piglit_cl_add_custom_test (r600-create-release-buffer-bug r600-create-release-buffer-bug.c) diff --git a/tests/cl/custom/r600-create-release-buffer-bug.c b/tests/cl/custom/r600-create-release-buffer-bug.c new file mode 100644 index 0000000..7c3a214 --- /dev/null +++ b/tests/cl/custom/r600-create-release-buffer-bug.c @@ -0,0 +1,136 @@ +/* + * Copyright 2013 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: Tom Stellard <[email protected]> + * + */ + +/* The r600g driver stores all global buffers in a single memory pool and + * has a simple memory manager to allocate and deallocate buffers in the pool. + * This test was inspired by a bug in the allocator where assigning a new + * buffer the lowest offset in the pool, would delete the buffer which + * previously had the lowest offset. + */ + +#include "piglit-framework-cl-custom.h" + +PIGLIT_CL_CUSTOM_TEST_CONFIG_BEGIN + + config.name = "clFlush() after clEnqueueNDRangeKernel()"; + config.run_per_device = true; + +PIGLIT_CL_CUSTOM_TEST_CONFIG_END + +#define BUFFER_SIZE 1024 * 1024 + +char *source = +"kernel void test(global int *out) { *out = 1; }\n"; + +enum piglit_result +piglit_cl_test(const int argc, + const char **argv, + const struct piglit_cl_custom_test_config *config, + const struct piglit_cl_custom_test_env *env) +{ + size_t global_size = 1, local_size = 1; + piglit_cl_context context = NULL; + cl_command_queue queue = NULL; + cl_mem buffer0 = NULL, buffer1 = NULL, buffer2 = NULL, buffer3 = NULL; + cl_program program = NULL; + cl_kernel kernel = NULL; + int data[BUFFER_SIZE / sizeof(int)]; + unsigned i; + + context = piglit_cl_create_context(env->platform_id, &env->device_id, 1); + queue = context->command_queues[0]; + + buffer0 = piglit_cl_create_buffer(context, CL_MEM_WRITE_ONLY, BUFFER_SIZE); + buffer1 = piglit_cl_create_buffer(context, CL_MEM_WRITE_ONLY, BUFFER_SIZE); + + program = piglit_cl_build_program_with_source(context, 1, &source, ""); + kernel = piglit_cl_create_kernel(program, "test"); + + /* Use the first buffer */ + if (!piglit_cl_set_kernel_arg(kernel, 0, sizeof(cl_mem), &buffer0)) { + return PIGLIT_FAIL; + } + + if (!piglit_cl_enqueue_ND_range_kernel(queue, kernel, 1, &global_size, + &local_size)) { + return PIGLIT_FAIL; + } + + /* Use the second buffer */ + if (!piglit_cl_set_kernel_arg(kernel, 0, sizeof(cl_mem), &buffer1)) { + return PIGLIT_FAIL; + } + + if (!piglit_cl_enqueue_ND_range_kernel(queue, kernel, 1, &global_size, + &local_size)) { + return PIGLIT_FAIL; + } + + /* Delete the first buffer */ + clReleaseMemObject(buffer0); + + /* Create and use the third buffer */ + buffer2 = piglit_cl_create_buffer(context, CL_MEM_WRITE_ONLY, BUFFER_SIZE); + if (!piglit_cl_set_kernel_arg(kernel, 0, sizeof(cl_mem), &buffer2)) { + return PIGLIT_FAIL; + } + + if (!piglit_cl_enqueue_ND_range_kernel(queue, kernel, 1, &global_size, + &local_size)) { + return PIGLIT_FAIL; + } + + /* Create the fourth buffer. */ + buffer3 = piglit_cl_create_buffer(context, CL_MEM_WRITE_ONLY, BUFFER_SIZE); + + /* At this point, the bug in r600g will cause buffer3 and buffer1 to + * have the same offset, so if we write to buffer3, then the data + * will appear in buffer1. + */ + + /* Clear both buffers */ + memset(data, 0, sizeof(data)); + piglit_cl_write_whole_buffer(queue, buffer1, data); + piglit_cl_write_whole_buffer(queue, buffer3, data); + + /* Write data to buffer1 */ + memset(data, 0xff, sizeof(data)); + piglit_cl_write_whole_buffer(queue, buffer3, data); + + /* Check that the data wasn't also written to buffer1 */ + memset(data, 0, sizeof(data)); + if (!piglit_cl_read_whole_buffer(queue, buffer1, data)) { + return PIGLIT_FAIL; + } + + for (i = 0; i < BUFFER_SIZE / sizeof(int); i++) { + if (data[i]) { + fprintf(stderr, "Error at data[%u]\n", i); + return PIGLIT_FAIL; + } + } + return PIGLIT_PASS; +} -- 1.7.11.4 _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
