[Piglit] [PATCH] GL_ARB_base_instance: Verify that the baseinstance setting does not affect the value of gl_InstanceID.

Nicholas Mack nichmack at gmail.com
Mon Nov 4 16:27:09 PST 2013


---
 tests/all.tests                                    |   4 +
 tests/spec/CMakeLists.txt                          |   1 +
 tests/spec/arb_base_instance/CMakeLists.gl.txt     |   9 ++
 tests/spec/arb_base_instance/CMakeLists.txt        |   1 +
 .../baseinstance-doesnt-affect-gl-instance-id.c    | 134 +++++++++++++++++++++
 5 files changed, 149 insertions(+)
 create mode 100644 tests/spec/arb_base_instance/CMakeLists.gl.txt
 create mode 100644 tests/spec/arb_base_instance/CMakeLists.txt
 create mode 100644 tests/spec/arb_base_instance/baseinstance-doesnt-affect-gl-instance-id.c

diff --git a/tests/all.tests b/tests/all.tests
index 8a1b91f..d6a89ba 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -2646,6 +2646,10 @@ add_plain_test(arb_blend_func_extended, 'arb_blend_func_extended-getfragdatainde
 add_plain_test(arb_blend_func_extended, 'arb_blend_func_extended-fbo-extended-blend')
 add_plain_test(arb_blend_func_extended, 'arb_blend_func_extended-fbo-extended-blend-explicit')
 
+arb_base_instance = Group()
+spec['ARB_base_instance'] = arb_base_instance
+add_plain_test(arb_base_instance, 'arb_base_instance-baseinstance-doesnt-affect-gl-instance-id')
+
 apple_object_purgeable = Group()
 spec['APPLE_object_purgeable'] = apple_object_purgeable
 add_plain_test(apple_object_purgeable, 'object_purgeable-api-pbo')
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index 18b846d..100a1f8 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -1,4 +1,5 @@
 add_subdirectory (amd_performance_monitor)
+add_subdirectory (arb_base_instance)
 add_subdirectory (arb_color_buffer_float)
 add_subdirectory (arb_debug_output)
 add_subdirectory (khr_debug)
diff --git a/tests/spec/arb_base_instance/CMakeLists.gl.txt b/tests/spec/arb_base_instance/CMakeLists.gl.txt
new file mode 100644
index 0000000..6c86b56
--- /dev/null
+++ b/tests/spec/arb_base_instance/CMakeLists.gl.txt
@@ -0,0 +1,9 @@
+link_libraries (
+	piglitutil_${piglit_target_api}
+	${OPENGL_gl_LIBRARY}
+	${OPENGL_glu_LIBRARY}
+)
+
+piglit_add_executable (arb_base_instance-baseinstance-doesnt-affect-gl-instance-id baseinstance-doesnt-affect-gl-instance-id.c)
+
+# vim: ft=cmake:
diff --git a/tests/spec/arb_base_instance/CMakeLists.txt b/tests/spec/arb_base_instance/CMakeLists.txt
new file mode 100644
index 0000000..144a306
--- /dev/null
+++ b/tests/spec/arb_base_instance/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
diff --git a/tests/spec/arb_base_instance/baseinstance-doesnt-affect-gl-instance-id.c b/tests/spec/arb_base_instance/baseinstance-doesnt-affect-gl-instance-id.c
new file mode 100644
index 0000000..336a502
--- /dev/null
+++ b/tests/spec/arb_base_instance/baseinstance-doesnt-affect-gl-instance-id.c
@@ -0,0 +1,134 @@
+/**
+ * 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.
+ */
+
+/**
+ * Verify that the baseinstance setting (from GL_ARB_base_instance) does
+ * not affect the value of gl_InstanceID.
+ */
+
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 32; //what settings should be here?
+
+	config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char *vstext =
+	"#version 150\n"
+	"in vec3 vertex;\n"
+	"out vec4 passColor;\n"
+	"void main() {\n"
+	"	if(gl_InstanceID != 0) passColor = vec4(1, 0, 0, 1);\n"
+	"	else passColor = vec4(0, 1, 0, 1);\n"
+	"	gl_Position = vec4(vertex, 1.);\n"
+	"}\n";
+
+static const char *fstext =
+	"#version 150\n"
+	"in vec4 passColor;\n"
+	"out vec4 color;\n"
+	"void main() {\n"
+	"	color = passColor;\n"
+	"}\n";
+
+static GLuint vao;
+static GLuint vertBuff;
+static GLuint indexBuf;
+
+static GLfloat vertices[] = {
+	-1.0, 1.0, 0.0,
+	 1.0, 1.0, 0.0,
+	 1.0,-1.0, 0.0,
+	-1.0,-1.0, 0.0
+};
+static GLsizei vertSize = sizeof(vertices);
+
+static GLuint indices[] = {
+	0, 1, 2, 0, 2, 3
+};
+static GLsizei indSize = sizeof(indices);
+
+static GLuint prog;
+
+void
+piglit_init(int argc, char **argv)
+{
+	GLuint vertIndex;
+
+	if (piglit_get_gl_version() < 32) {
+		piglit_require_extension("GL_ARB_base_instance");
+	}
+
+	prog = piglit_build_simple_program(vstext, fstext);
+
+	glUseProgram(prog);
+
+	glGenBuffers(1, &vertBuff);
+	glBindBuffer(GL_ARRAY_BUFFER, vertBuff);
+	glBufferData(GL_ARRAY_BUFFER, vertSize, vertices, GL_STATIC_DRAW);
+
+	glGenBuffers(1, &indexBuf);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuf);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, indSize,
+			indices, GL_STATIC_DRAW);
+
+	glGenVertexArrays(1, &vao);
+	glBindVertexArray(vao);
+
+	vertIndex = glGetAttribLocation(prog, "vertex");
+
+	glBindBuffer(GL_ARRAY_BUFFER, vertBuff);
+	glEnableVertexAttribArray(vertIndex);
+	glVertexAttribPointer(vertIndex, 3, GL_FLOAT, GL_FALSE, 0, 0);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+	bool pass = true;
+	float green[] = {0, 1, 0};
+
+	glClearColor(.4, .4, .4, 1.);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glBindVertexArray(vao);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuf);
+
+	/* use non zero baseinstance value to verify it doesn't affect
+	 * gl_InstanceID
+	 */
+	glDrawElementsInstancedBaseInstance(GL_TRIANGLES, ARRAY_SIZE(indices),
+			GL_UNSIGNED_INT, NULL, 1, 15);
+
+	pass = piglit_probe_rect_rgb(0, 0, piglit_width, piglit_height, green)
+		&& pass;
+
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+	piglit_present_results();
+
+	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
-- 
1.8.3.1



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