On 10/08/2013 02:09 PM, Eric Anholt wrote:
> Like the subdata test, make sure that we get back the right results
> when putting new data in our source or dest after a copy.
> ---
> tests/all.tests | 1 +
> tests/spec/arb_copy_buffer/CMakeLists.gl.txt | 1 +
> tests/spec/arb_copy_buffer/data-sync.c | 109
> +++++++++++++++++++++++++++
> 3 files changed, 111 insertions(+)
> create mode 100644 tests/spec/arb_copy_buffer/data-sync.c
>
> diff --git a/tests/all.tests b/tests/all.tests
> index 5c7bd3f..dfb3b79 100644
> --- a/tests/all.tests
> +++ b/tests/all.tests
> @@ -2485,6 +2485,7 @@ arb_copy_buffer = Group()
> spec['ARB_copy_buffer'] = arb_copy_buffer
> add_plain_test(arb_copy_buffer, 'copy_buffer_coherency')
> add_plain_test(arb_copy_buffer, 'copybuffersubdata')
> +arb_copy_buffer['data-sync'] = concurrent_test('arb_copy_buffer-data-sync')
> arb_copy_buffer['dlist'] = concurrent_test('arb_copy_buffer-dlist')
> arb_copy_buffer['get'] = concurrent_test('arb_copy_buffer-get')
> arb_copy_buffer['negative-bound-zero'] =
> concurrent_test('arb_copy_buffer-negative-bound-zero')
> diff --git a/tests/spec/arb_copy_buffer/CMakeLists.gl.txt
> b/tests/spec/arb_copy_buffer/CMakeLists.gl.txt
> index 5332f6d..6e5695e 100644
> --- a/tests/spec/arb_copy_buffer/CMakeLists.gl.txt
> +++ b/tests/spec/arb_copy_buffer/CMakeLists.gl.txt
> @@ -11,6 +11,7 @@ link_libraries (
>
> piglit_add_executable (copy_buffer_coherency copy_buffer_coherency.c)
> piglit_add_executable (copybuffersubdata copybuffersubdata.c)
> +piglit_add_executable (arb_copy_buffer-data-sync data-sync.c)
> piglit_add_executable (arb_copy_buffer-dlist dlist.c)
> piglit_add_executable (arb_copy_buffer-get get.c)
> piglit_add_executable (arb_copy_buffer-overlap overlap.c)
> diff --git a/tests/spec/arb_copy_buffer/data-sync.c
> b/tests/spec/arb_copy_buffer/data-sync.c
> new file mode 100644
> index 0000000..0618722
> --- /dev/null
> +++ b/tests/spec/arb_copy_buffer/data-sync.c
> @@ -0,0 +1,109 @@
> +/*
> + * Copyright © 2013 Intel Corporation
> + *
> + * 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.
> + */
> +
> +/** @file data-sync.c
> + *
> + * Tests that glBufferData() synchronizes correctly with
> + * glCopyBufferSubData().
> + *
> + * We make sure that a glBufferData() over the read buffer after the
> + * copy has no effect, while a glBufferData() over the write buffer
> + * after the copy does have an effect.
> + */
> +
> +#include "piglit-util-gl-common.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> + config.supports_gl_compat_version = 10;
Same comment as previous test.
> + config.supports_gl_core_version = 31;
> +
> + config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +void
> +piglit_init(int argc, char *argv[])
> +{
> + bool pass = true;
> + uint32_t dummy_data_1[4], dummy_data_2[4];
> + uint32_t good_data[4] = {0, 1, 2, 3};
> + uint32_t result_data[4];
> + bool subtest_pass;
> + size_t size = sizeof(good_data);
> + GLuint buffer_handles[2];
> +
> + memset(dummy_data_1, 0xaa, size);
> + memset(dummy_data_2, 0xbb, size);
> +
> + piglit_require_gl_version(15);
> +
> + piglit_require_extension("GL_ARB_copy_buffer");
> +
> + glGenBuffersARB(2, buffer_handles);
> + glBindBufferARB(GL_COPY_READ_BUFFER, buffer_handles[0]);
> + glBindBufferARB(GL_COPY_WRITE_BUFFER, buffer_handles[1]);
Same comment as previous test.
> +
> + glBufferData(GL_COPY_READ_BUFFER, size, good_data, GL_STREAM_COPY);
> + glBufferData(GL_COPY_WRITE_BUFFER, size, dummy_data_1, GL_STREAM_COPY);
> + glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER,
> + 0, 0, size);
> + glBufferData(GL_COPY_READ_BUFFER, size, dummy_data_2, GL_STREAM_COPY);
> + memset(result_data, 0xd0, size);
> + glGetBufferSubData(GL_COPY_WRITE_BUFFER, 0, size, result_data);
> + subtest_pass = memcmp(good_data, result_data, size) == 0;
> + if (!subtest_pass) {
> + fprintf(stderr, "found 0x%08x 0x%08x 0x%08x 0x%08x\n",
> + result_data[0], result_data[1],
> + result_data[2], result_data[3]);
> + pass = false;
> + }
> + piglit_report_subtest_result(subtest_pass ? PIGLIT_PASS : PIGLIT_FAIL,
> + "overwrite source data");
> +
> + glBufferData(GL_COPY_READ_BUFFER, size, dummy_data_2, GL_STREAM_COPY);
> + glBufferData(GL_COPY_WRITE_BUFFER, size, dummy_data_1, GL_STREAM_COPY);
> + glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER,
> + 0, 0, size);
> + glBufferData(GL_COPY_WRITE_BUFFER, size, dummy_data_2, GL_STREAM_COPY);
This copies dummy_data_2 to COPY_WRITE_BUFFER, the writes dummy_data-2
to COPY_WRITE_BUFFER... then compares with good_data. Should one of
these be good_data?
> + memset(result_data, 0xd0, size);
> + glGetBufferSubData(GL_COPY_WRITE_BUFFER, 0, size, result_data);
> + subtest_pass = memcmp(good_data, result_data, size) == 0;
> + if (!subtest_pass) {
> + fprintf(stderr, "found 0x%08x 0x%08x 0x%08x 0x%08x\n",
> + result_data[0], result_data[1],
> + result_data[2], result_data[3]);
> + pass = false;
> + }
> + piglit_report_subtest_result(subtest_pass ? PIGLIT_PASS : PIGLIT_FAIL,
> + "overwrite destination data");
> +
> + piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + /* UNREACHED */
> + return PIGLIT_FAIL;
> +}
>
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