[Piglit] [PATCH 2/3] arb_enhanced_layouts: test TRANSFORM_FEEDBACK_BUFFER query interface

Timothy Arceri timothy.arceri at collabora.com
Tue Mar 15 11:48:29 UTC 2016


---
 tests/all.py                                       |   2 +
 tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt  |   1 +
 .../transform-feedback-layout-query-api.c          | 203 +++++++++++++++++++++
 3 files changed, 206 insertions(+)
 create mode 100644 tests/spec/arb_enhanced_layouts/transform-feedback-layout-query-api.c

diff --git a/tests/all.py b/tests/all.py
index b069d54..8be5099 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -2419,6 +2419,8 @@ with profile.group_manager(
     g(['arb_enhanced_layouts-transform-feedback-layout-qualifiers', 'gs_max'],
       'arb_enhanced_layouts-transform-feedback-layout-qualifiers_gs_max',
       run_concurrent=False)
+    g(['arb_enhanced_layouts-transform-feedback-layout-query-api'],
+       'transform-feedback-layout-query-api')
 
 # Group ARB_explicit_attrib_location
 with profile.group_manager(
diff --git a/tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt b/tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt
index 4733d4c..89c99f4 100644
--- a/tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt
+++ b/tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt
@@ -11,5 +11,6 @@ link_libraries (
 
 piglit_add_executable (arb_enhanced_layouts-explicit-offset-bufferstorage explicit-offset-bufferstorage.c)
 piglit_add_executable (arb_enhanced_layouts-transform-feedback-layout-qualifiers transform-feedback-layout-qualifiers.c)
+piglit_add_executable (arb_enhanced_layouts-transform-feedback-layout-query-api transform-feedback-layout-query-api.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/arb_enhanced_layouts/transform-feedback-layout-query-api.c b/tests/spec/arb_enhanced_layouts/transform-feedback-layout-query-api.c
new file mode 100644
index 0000000..44d1aef
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/transform-feedback-layout-query-api.c
@@ -0,0 +1,203 @@
+/*
+ * Copyright © 2016 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"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 32;
+	config.supports_gl_core_version = 32;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char vs_two_buff_text[] =
+	"#version 150\n"
+	"#extension GL_ARB_enhanced_layouts: require\n"
+	"\n"
+	"layout(xfb_buffer = 1) out;\n"
+	"layout(xfb_offset = 0) out float x1_out;\n"
+	"layout(xfb_offset = 4) out float x2_out[2];\n"
+	"layout(xfb_offset = 12) out vec3 x3_out;\n"
+	"layout(xfb_buffer = 3) out;\n"
+	"layout(xfb_offset = 0, xfb_buffer = 3) out float y1_out;\n"
+	"layout(xfb_offset = 4) out vec4 y2_out;\n"
+	"void main() {\n"
+	"  gl_Position = vec4(0.0);\n"
+	"  x1_out = 1.0;\n"
+	"  x2_out[0] = 2.0;\n"
+	"  x2_out[1] = 3.0;\n"
+	"  x3_out = vec3(4.0, 5.0, 6.0);\n"
+	"  y1_out = 7.0;\n"
+	"  y2_out = vec4(8.0, 9.0, 10.0, 11.0);\n"
+	"}";
+
+static const char *varying_names[2][3] = {
+	 {"x1_out", "x2_out", "x3_out"},
+	 {"y1_out", "y2_out", ""} };
+
+
+static GLuint
+build_and_use_program(const char *vs_text)
+{
+	GLuint prog = piglit_build_simple_program_multiple_shaders(
+				GL_VERTEX_SHADER, vs_text, 0);
+
+	glLinkProgram(prog);
+	if (!piglit_link_check_status(prog))
+		piglit_report_result(PIGLIT_FAIL);
+	if (!piglit_check_gl_error(GL_NO_ERROR))
+		piglit_report_result(PIGLIT_FAIL);
+
+	glUseProgram(prog);
+
+	return prog;
+}
+
+static bool
+check_varyings_match(GLuint prog, GLint *values, unsigned num_values,
+		unsigned buffer)
+{
+	bool match = true;
+
+	for (unsigned i = 0; i < num_values; i++) {
+		char name[10];
+		glGetProgramResourceName(prog, GL_TRANSFORM_FEEDBACK_VARYING,
+					values[i], 10, NULL, name);
+
+		bool match_found = false;
+		for (unsigned i = 0; i < num_values; i++) {
+			if (strcmp(name, varying_names[buffer][i]) == 0) {
+				match_found = true;
+				break;
+			}
+		}
+		if (!match_found) {
+			match = false;
+			printf("ACTIVE_VARIABLES did no return an index for "
+				"%s\n", varying_names[buffer][i]);
+			break;
+		}
+	}
+
+	return match;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+	bool pass = true;
+	bool active_res = true;
+	bool max_active = true;
+	bool buff_bind[2] = { true, true };
+	bool num_active[2] = { false, false };
+	bool varying_idx[2] = { false, false };
+	GLuint prog;
+
+	piglit_require_GLSL_version(150);
+	piglit_require_extension("GL_ARB_transform_feedback3");
+	piglit_require_extension("GL_ARB_enhanced_layouts");
+
+	prog = build_and_use_program(vs_two_buff_text);
+
+	GLint value;
+        GLint values[5];
+	glGetProgramInterfaceiv(prog, GL_TRANSFORM_FEEDBACK_BUFFER,
+			GL_ACTIVE_RESOURCES, &value);
+	if (value != 2) {
+		printf("Expected 2 ACTIVE_RESOURCES found %d\n", value);
+		active_res = false;
+	}
+
+	piglit_report_subtest_result(active_res ? PIGLIT_PASS : PIGLIT_FAIL,
+			"Query ACTIVE_RESOURCES");
+
+	glGetProgramInterfaceiv(prog, GL_TRANSFORM_FEEDBACK_BUFFER,
+			GL_MAX_NUM_ACTIVE_VARIABLES, &value);
+	if (value != 3) {
+		printf("Expected MAX_NUM_ACTIVE_VARIABLES to be 3 found %d\n",
+		value);
+		max_active = false;
+	}
+
+	piglit_report_subtest_result(active_res ? PIGLIT_PASS : PIGLIT_FAIL,
+			"Query MAX_NUM_ACTIVE_VARIABLES");
+
+	GLenum props[] = {GL_BUFFER_BINDING, GL_NUM_ACTIVE_VARIABLES,
+			GL_ACTIVE_VARIABLES};
+	for (unsigned i = 0; i < 2; i++) {
+		glGetProgramResourceiv(prog, GL_TRANSFORM_FEEDBACK_BUFFER, i,
+				3, props, 5, NULL, values);
+
+		if (values[0] != 1 && values[0] != 3)
+			buff_bind[i] = false;
+		if (values[0] == 1) {
+			if(values[1] == 3) {
+				num_active[i] = true;
+			} else {
+				printf("Expected 3 NUM_ACTIVE_VARIABLES "
+					"found %d\n", values[1]);
+			}
+
+			varying_idx[i] =
+				check_varyings_match(prog, &values[2], 3, 0);
+		} else if (values[0] == 3) {
+			if (values[1] == 2) {
+				num_active[i] = true;
+			} else {
+				printf("Expected 2 NUM_ACTIVE_VARIABLES "
+					"found %d\n", values[1]);
+			}
+
+			varying_idx[i] =
+				 check_varyings_match(prog, &values[2], 2, 1);
+		}
+	}
+
+	piglit_report_subtest_result(buff_bind[0] && buff_bind[1] ?
+			 PIGLIT_PASS : PIGLIT_FAIL,
+			"Query BUFFER_BINDING");
+
+	piglit_report_subtest_result(num_active[0] && num_active[1] ?
+			 PIGLIT_PASS : PIGLIT_FAIL,
+			"Query NUM_ACTIVE_VARIABLES");
+
+	piglit_report_subtest_result(varying_idx[0] && varying_idx[1] ?
+			 PIGLIT_PASS : PIGLIT_FAIL,
+			"Query ACTIVE_VARIABLES");
+
+	if (!piglit_check_gl_error(GL_NO_ERROR))
+		piglit_report_result(PIGLIT_FAIL);
+
+	pass = active_res && max_active && buff_bind[0] && buff_bind[1] &&
+		num_active[0] && num_active[1] && varying_idx[0] &&
+		varying_idx[1];
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+	/* Should never be reached */
+	return PIGLIT_FAIL;
+}
-- 
2.5.0



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