[Piglit] [PATCH] arb_no_fb_attach: add a test with just samples passed

Tapani Pälli tapani.palli at intel.com
Tue Feb 2 03:20:28 PST 2016


Nice addition, we did not have resizing covered

Reviewed-by: Tapani Pälli <tapani.palli at intel.com>

On 01/31/2016 05:41 AM, Ilia Mirkin wrote:
> In case atomic counters aren't available, this is a simpler test that
> just makes sure that the width/height are properly set.
>
> Also add tests for discard as well as changing the fb params.
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
>   tests/all.py                                       |   1 +
>   .../CMakeLists.gl.txt                              |   1 +
>   tests/spec/arb_framebuffer_no_attachments/query.c  | 178 +++++++++++++++++++++
>   3 files changed, 180 insertions(+)
>   create mode 100644 tests/spec/arb_framebuffer_no_attachments/query.c
>
> diff --git a/tests/all.py b/tests/all.py
> index 83ad945..6825381 100644
> --- a/tests/all.py
> +++ b/tests/all.py
> @@ -2419,6 +2419,7 @@ with profile.group_manager(
>       g(['arb_framebuffer_no_attachments-minmax'])
>       g(['arb_framebuffer_no_attachments-params'])
>       g(['arb_framebuffer_no_attachments-atomic'])
> +    g(['arb_framebuffer_no_attachments-query'])
>
>   # Group ARB_explicit_uniform_location
>   with profile.group_manager(
> diff --git a/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt b/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
> index 3b0cb5e..bbc3177 100755
> --- a/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
> +++ b/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
> @@ -11,3 +11,4 @@ link_libraries (
>   piglit_add_executable (arb_framebuffer_no_attachments-minmax minmax.c)
>   piglit_add_executable (arb_framebuffer_no_attachments-params params.c)
>   piglit_add_executable (arb_framebuffer_no_attachments-atomic atomic.c)
> +piglit_add_executable (arb_framebuffer_no_attachments-query query.c)
> diff --git a/tests/spec/arb_framebuffer_no_attachments/query.c b/tests/spec/arb_framebuffer_no_attachments/query.c
> new file mode 100644
> index 0000000..e1d921c
> --- /dev/null
> +++ b/tests/spec/arb_framebuffer_no_attachments/query.c
> @@ -0,0 +1,178 @@
> +/*
> + * Copyright © 2015 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 query.c
> + *
> + * Test occlusion queries with when a framebuffer with no attachments is bound.
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +	config.supports_gl_core_version = 31;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +const char *vs_source =
> +	"#version 140\n"
> +	"in vec4 piglit_vertex;\n"
> +	"void main() {\n"
> +	"	gl_Position = piglit_vertex;\n"
> +	"}\n";
> +
> +const char *fs_source =
> +	"#version 140\n"
> +	"out vec4 color;\n"
> +	"uniform int v = 0;\n"
> +	"void main() {\n"
> +	"       if (v != 0 && (int(gl_FragCoord.x) % 2) == 0) discard;\n"
> +	"	color = vec4(1);\n"
> +	"}\n";
> +
> +static GLuint query;
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> +	return PIGLIT_FAIL;
> +}
> +
> +static bool
> +compare_counter(uint32_t value, const char *subtest)
> +{
> +	/* Map atomic buffer and check that we have expected results. */
> +	bool result = false;
> +	uint32_t samples;
> +	glGetQueryObjectuiv(query, GL_QUERY_RESULT, &samples);
> +	result = (samples == value);
> +	if (!result)
> +		fprintf(stderr, "%s (subtest %s): expected %u, got %u\n",
> +			__func__, subtest, value, samples);
> +	piglit_report_subtest_result(result ? PIGLIT_PASS : PIGLIT_FAIL,
> +		"%s", subtest);
> +	return result;
> +}
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> +	GLuint buffer, fbo, vao;
> +	GLint prog;
> +	bool pass = true;
> +
> +	piglit_require_gl_version(31);
> +	piglit_require_extension("GL_ARB_framebuffer_no_attachments");
> +
> +	glGenQueries(1, &query);
> +
> +	/* Create fbo with no attachments. */
> +	glGenFramebuffers(1, &fbo);
> +	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
> +
> +	/* Setup default width and height. */
> +	glFramebufferParameteri(GL_FRAMEBUFFER,
> +		GL_FRAMEBUFFER_DEFAULT_WIDTH, piglit_width);
> +	glFramebufferParameteri(GL_FRAMEBUFFER,
> +		GL_FRAMEBUFFER_DEFAULT_HEIGHT, piglit_height);
> +
> +	/* Check that fbo is marked complete. */
> +	if (glCheckFramebufferStatus(GL_FRAMEBUFFER) !=
> +		GL_FRAMEBUFFER_COMPLETE)
> +		piglit_report_result(PIGLIT_FAIL);
> +
> +	prog = piglit_build_simple_program(vs_source, fs_source);
> +
> +	/* Check that there are no errors. */
> +	if (!prog || !piglit_check_gl_error(GL_NO_ERROR))
> +		piglit_report_result(PIGLIT_FAIL);
> +
> +	glUseProgram(prog);
> +	if (!piglit_check_gl_error(GL_NO_ERROR))
> +		piglit_report_result(PIGLIT_FAIL);
> +
> +	/* Render rectangle using our program. */
> +	glGenVertexArrays(1, &vao);
> +	glBindVertexArray(vao);
> +
> +	glBeginQuery(GL_SAMPLES_PASSED, query);
> +	piglit_draw_rect(-1, -1, 2, 2);
> +	glEndQuery(GL_SAMPLES_PASSED);
> +
> +	pass &= compare_counter(piglit_width * piglit_height, "Basic");
> +
> +	/* Set 1x1 scissor rectangle. */
> +	glEnable(GL_SCISSOR_TEST);
> +	glScissor(0, 0, 1, 1);
> +
> +	glBeginQuery(GL_SAMPLES_PASSED, query);
> +	piglit_draw_rect(-1, -1, 2, 2);
> +	glEndQuery(GL_SAMPLES_PASSED);
> +
> +	glDisable(GL_SCISSOR_TEST);
> +
> +	pass &= compare_counter(1, "glScissor");
> +
> +	/* Set 2x2 viewport. */
> +	glViewport(0, 0, 2, 2);
> +
> +	glBeginQuery(GL_SAMPLES_PASSED, query);
> +	piglit_draw_rect(-1, -1, 2, 2);
> +	glEndQuery(GL_SAMPLES_PASSED);
> +
> +	pass &= compare_counter(4, "glViewport");
> +
> +	/* Set the uniform to 1 so that even x's are discarded */
> +	glViewport(0, 0, piglit_width, piglit_height);
> +	glUniform1i(glGetUniformLocation(prog, "v"), 1);
> +
> +	glBeginQuery(GL_SAMPLES_PASSED, query);
> +	piglit_draw_rect(-1, -1, 2, 2);
> +	glEndQuery(GL_SAMPLES_PASSED);
> +
> +	pass &= compare_counter(piglit_width * piglit_height / 2, "discard");
> +
> +	/* Change the fb size */
> +	glUniform1i(glGetUniformLocation(prog, "v"), 0);
> +	glFramebufferParameteri(GL_FRAMEBUFFER,
> +		GL_FRAMEBUFFER_DEFAULT_WIDTH, piglit_width / 2);
> +	glFramebufferParameteri(GL_FRAMEBUFFER,
> +		GL_FRAMEBUFFER_DEFAULT_HEIGHT, piglit_height / 2);
> +	/* don't check completeness. */
> +
> +	glBeginQuery(GL_SAMPLES_PASSED, query);
> +	piglit_draw_rect(-1, -1, 2, 2);
> +	glEndQuery(GL_SAMPLES_PASSED);
> +
> +	pass &= compare_counter((piglit_width / 2) * (piglit_height / 2),
> +				"fb resize");
> +
> +	glDeleteFramebuffers(1, &fbo);
> +	glDeleteVertexArrays(1, &vao);
> +	glDeleteBuffers(1, &buffer);
> +	glDeleteProgram(prog);
> +	glDeleteQueries(1, &query);
> +
> +	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
> +}
>


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