Attachment 135663 Details for Bug 103837 – Piglit test

[patch] Piglit test

0001-Add-a-test-for-tfb-with-tessellation.patch (text/plain), 8.68 KB, created by Neil Roberts on 2017-11-22 09:51:09 UTC

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Creator: Neil Roberts

Created: 2017-11-22 09:51:09 UTC

Size: 8.68 KB

patch

obsolete

>From 37b2f07f66f135da51b26114803050e8c54a4761 Mon Sep 17 00:00:00 2001
>From: Neil Roberts <nroberts@igalia.com>
>Date: Fri, 17 Nov 2017 17:51:01 +0100
>Subject: [PATCH] Add a test for tfb with tessellation
>
>---
> .../spec/arb_transform_feedback2/CMakeLists.gl.txt |   1 +
> tests/spec/arb_transform_feedback2/tessellation.c  | 316 +++++++++++++++++++++
> 2 files changed, 317 insertions(+)
> create mode 100644 tests/spec/arb_transform_feedback2/tessellation.c
>
>diff --git a/tests/spec/arb_transform_feedback2/CMakeLists.gl.txt b/tests/spec/arb_transform_feedback2/CMakeLists.gl.txt
>index 03635c0..e135198 100644
>--- a/tests/spec/arb_transform_feedback2/CMakeLists.gl.txt
>+++ b/tests/spec/arb_transform_feedback2/CMakeLists.gl.txt
>@@ -15,5 +15,6 @@ piglit_add_executable (arb_transform_feedback2-draw-auto draw-auto.c)
> piglit_add_executable (arb_transform_feedback2-gen-names-only gen-names-only.c)
> piglit_add_executable (arb_transform_feedback2-istransformfeedback istransformfeedback.c)
> piglit_add_executable (arb_transform_feedback2-pause-counting pause-counting.c)
>+piglit_add_executable (arb_transform_feedback2-tessellation tessellation.c)
> 
> # vim: ft=cmake:
>diff --git a/tests/spec/arb_transform_feedback2/tessellation.c b/tests/spec/arb_transform_feedback2/tessellation.c
>new file mode 100644
>index 0000000..5adcfb4
>--- /dev/null
>+++ b/tests/spec/arb_transform_feedback2/tessellation.c
>@@ -0,0 +1,316 @@
>+/*
>+ * Copyright Â© 2017 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.
>+ */
>+
>+#include "piglit-util-gl.h"
>+
>+/**
>+ * @file tessellation.c
>+ *
>+ * Test transform feedback with a lot of vertices generated by tessellation.
>+ */
>+
>+PIGLIT_GL_TEST_CONFIG_BEGIN
>+
>+	config.supports_gl_core_version = 40;
>+
>+PIGLIT_GL_TEST_CONFIG_END
>+
>+#define STR(x) #x
>+#define STRINGIFY(x) STR(x)
>+
>+#define MAX_TFB_PRIMS 4096
>+#define TFB_SIZE (MAX_TFB_PRIMS *			\
>+		  ARRAY_SIZE(feedback_varyings) *	\
>+		  sizeof (int))
>+#define PATCH_SIZE 32
>+#define N_PATCHES 64
>+#define N_RUNS 3000
>+
>+static const char
>+fs_source[] =
>+	"#version 400\n"
>+	"\n"
>+	"layout(location = 0) out vec4 color_out;\n"
>+	"\n"
>+	"void\n"
>+	"main()\n"
>+	"{\n"
>+	"        color_out = vec4(0.0, 1.0, 0.0, 1.0);\n"
>+	"}\n";
>+
>+static const char
>+vs_source[] =
>+	"#version 400\n"
>+	"\n"
>+	"layout(location = 0) in vec4 vertex_pos;\n"
>+	"\n"
>+	"void\n"
>+	"main()\n"
>+	"{\n"
>+	"        gl_Position = vertex_pos;\n"
>+	"}\n";
>+
>+static const char
>+tcs_source[] =
>+	"#version 400\n"
>+	"\n"
>+	"layout(vertices = " STRINGIFY(PATCH_SIZE) ") out;\n"
>+	"\n"
>+	"out TC_OUT\n"
>+	"{\n"
>+	"        int tc_invocation_id;\n"
>+	"        int tc_patch_vertices_in;\n"
>+	"        int tc_primitive_id;\n"
>+	"} out_te[];\n"
>+	"\n"
>+	"void\n"
>+	"main()\n"
>+	"{\n"
>+	"        gl_out[gl_InvocationID].gl_Position =\n"
>+	"                gl_in[gl_InvocationID].gl_Position;\n"
>+	"        out_te[gl_InvocationID].tc_invocation_id =\n"
>+	"                gl_InvocationID;\n"
>+	"        out_te[gl_InvocationID].tc_patch_vertices_in =\n"
>+	"                gl_PatchVerticesIn;\n"
>+	"        out_te[gl_InvocationID].tc_primitive_id =\n"
>+	"                gl_PrimitiveID;\n"
>+	"        gl_TessLevelInner[0] = 4.0;\n"
>+	"        gl_TessLevelInner[1] = 4.0;\n"
>+	"        gl_TessLevelOuter[0] = 4.0;\n"
>+	"        gl_TessLevelOuter[1] = 4.0;\n"
>+	"        gl_TessLevelOuter[2] = 4.0;\n"
>+	"        gl_TessLevelOuter[3] = 4.0;\n"
>+	"}\n";
>+
>+static const char
>+tes_source[] =
>+	"#version 400\n"
>+	"\n"
>+	"layout(triangles) in;\n"
>+	"\n"
>+	"in TC_OUT\n"
>+	"{\n"
>+	"        int tc_invocation_id;\n"
>+	"        int tc_patch_vertices_in;\n"
>+	"        int tc_primitive_id;\n"
>+	"} in_tc[];\n"
>+	"\n"
>+	"out int primitive_id;\n"
>+	"out int patch_vertices_in;\n"
>+	"out int three;\n"
>+	"out int four;\n"
>+	"out int five;\n"
>+	"\n"
>+	"void\n"
>+	"main()\n"
>+	"{\n"
>+	"        primitive_id = gl_PrimitiveID;\n"
>+	"        patch_vertices_in = gl_PatchVerticesIn;\n"
>+	"        three = in_tc[gl_PatchVerticesIn - 1].tc_invocation_id;\n"
>+	"        four = in_tc[gl_PatchVerticesIn - 1].tc_patch_vertices_in;\n"
>+	"        five = in_tc[gl_PatchVerticesIn - 1].tc_primitive_id;\n"
>+	"}";
>+
>+static const char * const
>+feedback_varyings[] = {
>+	"primitive_id",
>+	"patch_vertices_in",
>+	"three",
>+	"four",
>+	"five",
>+};
>+
>+static GLuint
>+make_program(void)
>+{
>+	GLuint prog, tcs, tes;
>+
>+	prog = piglit_build_simple_program_unlinked(vs_source, fs_source);
>+
>+	tcs = piglit_compile_shader_text(GL_TESS_CONTROL_SHADER,
>+					 tcs_source);
>+	glAttachShader(prog, tcs);
>+	glDeleteShader(tcs);
>+
>+	tes = piglit_compile_shader_text(GL_TESS_EVALUATION_SHADER,
>+					 tes_source);
>+	glAttachShader(prog, tes);
>+	glDeleteShader(tes);
>+
>+	glTransformFeedbackVaryings(prog,
>+				    ARRAY_SIZE(feedback_varyings),
>+				    feedback_varyings,
>+				    GL_INTERLEAVED_ATTRIBS);
>+
>+	glLinkProgram(prog);
>+
>+	if (!piglit_link_check_status(prog)) {
>+		glDeleteProgram(prog);
>+		piglit_report_result(PIGLIT_FAIL);
>+	}
>+
>+	return prog;
>+}
>+
>+static void
>+print_all_results(GLint prims, const int *data)
>+{
>+	const int *p = data;
>+	int i, j;
>+
>+	for (i = 0; i < prims; i++) {
>+		for (j = 0; j < ARRAY_SIZE(feedback_varyings); j++) {
>+			fprintf(stderr, "%i", *p++);
>+			if (j < ARRAY_SIZE(feedback_varyings) - 1)
>+				fputc(':', stderr);
>+		}
>+		fputc(' ', stderr);
>+	}
>+	fputc('\n', stderr);
>+}
>+
>+static bool
>+check_result(GLint prims)
>+{
>+	const int *data =
>+		glMapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, GL_READ_ONLY);
>+	const int *p = data;
>+	bool res = true;
>+	int i;
>+
>+	for (i = 0; i < prims; i++) {
>+		if (p[1] != PATCH_SIZE ||
>+		    p[3] != PATCH_SIZE) {
>+			fprintf(stderr,
>+				"Unexpected feedback values at index %i\n",
>+				i);
>+			print_all_results(prims, data);
>+			res = false;
>+			break;
>+		}
>+		p += ARRAY_SIZE(feedback_varyings);
>+	}
>+
>+	glUnmapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER);
>+
>+	return res;
>+}
>+
>+static bool
>+run_test(GLint *n_prims)
>+{
>+	GLuint prog = make_program();
>+	GLuint qo;
>+	GLuint vao;
>+	GLuint tfb;
>+	void *zeros;
>+	bool pass = true;
>+
>+	glUseProgram(prog);
>+
>+	zeros = malloc(TFB_SIZE);
>+	memset(zeros, 0, TFB_SIZE);
>+
>+	glGenBuffers(1, &tfb);
>+	glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, tfb);
>+	glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER,
>+		     TFB_SIZE,
>+		     zeros,
>+		     GL_DYNAMIC_READ);
>+
>+	free(zeros);
>+
>+	glBindBuffersBase(GL_TRANSFORM_FEEDBACK_BUFFER,
>+			  0, /* first */
>+			  1, /* count */
>+			  &tfb);
>+
>+	glGenQueries(1, &qo);
>+	if (*n_prims <= 0) {
>+		glBeginQueryIndexed(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN,
>+				    0, /* index */
>+				    qo);
>+	}
>+
>+	glGenVertexArrays(1, &vao);
>+	glBindVertexArray(vao);
>+
>+	glPatchParameteri(GL_PATCH_VERTICES, PATCH_SIZE);
>+	glBeginTransformFeedback(GL_TRIANGLES);
>+	glDrawArraysInstanced(GL_PATCHES, 0, PATCH_SIZE * N_PATCHES, 4);
>+	glEndTransformFeedback();
>+
>+	if (*n_prims <= 0) {
>+		glEndQueryIndexed(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN,
>+				  0 /* index */);
>+
>+		glGetQueryObjectiv(qo, GL_QUERY_RESULT, n_prims);
>+
>+		if (*n_prims <= 0 || *n_prims >= MAX_TFB_PRIMS) {
>+			fprintf(stderr,
>+				"GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN has "
>+				"the unexpected value %i\n",
>+				*n_prims);
>+			pass = false;
>+		}
>+	}
>+
>+	if (pass && !check_result(*n_prims))
>+		pass = false;
>+
>+	glDeleteVertexArrays(1, &vao);
>+
>+	glDeleteQueries(1, &qo);
>+
>+	glDeleteBuffers(1, &tfb);
>+
>+	glDeleteProgram(prog);
>+
>+	return pass;
>+}
>+
>+enum piglit_result
>+piglit_display(void)
>+{
>+	int i;
>+	int fail_count = 0;
>+	GLint n_prims = 0;
>+
>+	for (i = 0; i < N_RUNS; i++) {
>+		if (!run_test(&n_prims))
>+			fail_count++;
>+	}
>+
>+	printf("Failure rate %i/%i (%i%%)\n",
>+	       fail_count,
>+	       N_RUNS,
>+	       fail_count * 100 / N_RUNS);
>+
>+	return fail_count > 0 ? PIGLIT_FAIL : PIGLIT_PASS;
>+}
>+
>+void
>+piglit_init(int argc, char **argv)
>+{
>+	piglit_require_gl_version(40);
>+}
>-- 
>2.9.5
>

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