[Piglit] [PATCH] arb_shader_atomic_counters: Test respecification of a bound ABO
Francisco Jerez
currojerez at riseup.net
Sun Oct 12 02:27:51 PDT 2014
Chris Forbes <chrisf at ijw.co.nz> writes:
> Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
Looks good,
Reviewed-by: Francisco Jerez <currojerez at riseup.net>
> ---
> tests/all.py | 1 +
> .../arb_shader_atomic_counters/CMakeLists.gl.txt | 1 +
> .../arb_shader_atomic_counters/respecify-buffer.c | 115 +++++++++++++++++++++
> 3 files changed, 117 insertions(+)
> create mode 100644 tests/spec/arb_shader_atomic_counters/respecify-buffer.c
>
> diff --git a/tests/all.py b/tests/all.py
> index 665c88b..31704aa 100644
> --- a/tests/all.py
> +++ b/tests/all.py
> @@ -4233,6 +4233,7 @@ arb_shader_atomic_counters['multiple-defs'] = concurrent_test('arb_shader_atomic
> arb_shader_atomic_counters['semantics'] = concurrent_test('arb_shader_atomic_counters-semantics')
> arb_shader_atomic_counters['unique-id'] = concurrent_test('arb_shader_atomic_counters-unique-id')
> arb_shader_atomic_counters['unused-result'] = concurrent_test('arb_shader_atomic_counters-unused-result')
> +arb_shader_atomic_counters['respecify-buffer'] = concurrent_test('arb_shader_atomic_counters-respecify-buffer')
>
> arb_derivative_control = {}
> spec['ARB_derivative_control'] = arb_derivative_control
> diff --git a/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt b/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt
> index 0f678d1..386b794 100644
> --- a/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt
> +++ b/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt
> @@ -22,5 +22,6 @@ piglit_add_executable (arb_shader_atomic_counters-multiple-defs multiple-defs.c
> piglit_add_executable (arb_shader_atomic_counters-semantics semantics.c common.c)
> piglit_add_executable (arb_shader_atomic_counters-unique-id unique-id.c common.c)
> piglit_add_executable (arb_shader_atomic_counters-unused-result unused-result.c common.c)
> +piglit_add_executable (arb_shader_atomic_counters-respecify-buffer respecify-buffer.c)
>
> # vim: ft=cmake:
> diff --git a/tests/spec/arb_shader_atomic_counters/respecify-buffer.c b/tests/spec/arb_shader_atomic_counters/respecify-buffer.c
> new file mode 100644
> index 0000000..c932e3e
> --- /dev/null
> +++ b/tests/spec/arb_shader_atomic_counters/respecify-buffer.c
> @@ -0,0 +1,115 @@
> +/*
> + * Copyright © 2014 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 respecify-buffer.c
> + *
> + * Tests that the required state is reemitted when the buffer backing
> + * an atomic counter is respecified; taking care not to dirty too much
> + * other state which would mask flagging problems.
> + *
> + * This demonstrates a mesa bug.
> + */
> +
> +#include "common.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> + config.supports_gl_core_version = 31;
> +
> + config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +int data[] = { 0, 1, 2, 3 };
> +
> +float red[] = { 1, 0, 0 };
> +float green[] = { 0, 1, 0 };
> +float blue[] = { 0, 0, 1 };
> +float white[] = { 1, 1, 1 };
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + bool pass = true;
> + int i;
> +
> + glViewport(0, 0, piglit_width, piglit_height);
> +
> + glClearColor(0.2, 0.2, 0.2, 0.2);
> + glClear(GL_COLOR_BUFFER_BIT);
> +
> + for (i = 0; i < 4; i++) {
> + /* respecify the buffer */
> + glBufferData(GL_ATOMIC_COUNTER_BUFFER, sizeof(*data),
> + &data[i], GL_STATIC_DRAW);
> +
> + piglit_draw_rect(i % 2 - 1, i / 2 - 1, 1, 1);
> + }
> +
> + pass = piglit_probe_pixel_rgb(piglit_width / 4,
> + piglit_height / 4, red);
> + pass = piglit_probe_pixel_rgb(3 * piglit_width / 4,
> + piglit_height / 4, green);
> + pass = piglit_probe_pixel_rgb(piglit_width / 4,
> + 3 * piglit_height / 4, blue);
> + pass = piglit_probe_pixel_rgb(3 * piglit_width / 4,
> + 3 * piglit_height / 4, white);
> +
> + piglit_present_results();
> +
> + return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> + GLuint prog;
> + GLuint abo;
> +
> + piglit_require_extension("GL_ARB_shader_atomic_counters");
> +
> + prog = piglit_build_simple_program(
> + "#version 140\n"
> + "in vec4 piglit_vertex;\n"
> + "void main() {\n"
> + " gl_Position = piglit_vertex;\n"
> + "}\n",
> +
> + "#version 140\n"
> + "#extension GL_ARB_shader_atomic_counters: require\n"
> + "layout(binding=0) uniform atomic_uint x;\n"
> + "void main() {\n"
> + " uint n = atomicCounter(x);\n"
> + " if (n == 0u) gl_FragColor = vec4(1,0,0,0);\n"
> + " else if (n == 1u) gl_FragColor = vec4(0,1,0,0);\n"
> + " else if (n == 2u) gl_FragColor = vec4(0,0,1,0);\n"
> + " else gl_FragColor = vec4(1,1,1,0);\n"
> + "}\n");
> +
> + glUseProgram(prog);
> +
> + glGenBuffers(1, &abo);
> + glBindBuffer(GL_ATOMIC_COUNTER_BUFFER, abo);
> + glBufferData(GL_ATOMIC_COUNTER_BUFFER, 4, NULL, GL_STATIC_DRAW);
> + glBindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, abo);
> +}
> --
> 2.1.2
>
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