[Piglit] [PATCH 3/7] Port negative uniform location subtest of Glean shader api test to Piglit.

[Fabian Bieler]

---
 tests/all.py                                 |  1 +
 tests/spec/gl-2.0/api/CMakeLists.gl.txt      |  1 +
 tests/spec/gl-2.0/api/uniform-neg-location.c | 79 ++++++++++++++++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 tests/spec/gl-2.0/api/uniform-neg-location.c

diff --git a/tests/all.py b/tests/all.py
index 5475471..9d54415 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -1088,6 +1088,7 @@ with profile.test_list.group_manager(
     g(['incomplete-cubemap', 'size'], 'incomplete-cubemap-size')
     g(['incomplete-cubemap', 'format'], 'incomplete-cubemap-format')
     g(['gl-2.0-texture-units'])
+    g(['gl-2.0-uniform-neg-location'])
 
 with profile.test_list.group_manager(
         PiglitGLTest,
diff --git a/tests/spec/gl-2.0/api/CMakeLists.gl.txt b/tests/spec/gl-2.0/api/CMakeLists.gl.txt
index b4481d9..3295119 100644
--- a/tests/spec/gl-2.0/api/CMakeLists.gl.txt
+++ b/tests/spec/gl-2.0/api/CMakeLists.gl.txt
@@ -13,5 +13,6 @@ piglit_add_executable (attrib-assignments attrib-assignments.c)
 piglit_add_executable (getattriblocation-conventional getattriblocation-conventional.c)
 piglit_add_executable (clip-flag-behavior clip-flag-behavior.c)
 piglit_add_executable (gl-2.0-texture-units texture-units.c)
+piglit_add_executable (gl-2.0-uniform-neg-location uniform-neg-location.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/gl-2.0/api/uniform-neg-location.c b/tests/spec/gl-2.0/api/uniform-neg-location.c
new file mode 100644
index 0000000..f182931
--- /dev/null
+++ b/tests/spec/gl-2.0/api/uniform-neg-location.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2009  VMware, Inc. All Rights Reserved.
+ *
+ * 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 uniform_neg_location.c
+ *
+ * Based on Glean test based on Mesa test written by Bruce Merry.
+ *
+ * From the OpenGL 2.0 spec page 82 (page 96 of the PDF):
+ * "If the value of location is -1, the Uniform* commands will silently ignore
+ * the data passed in, and the current uniform values will not be changed.
+ * [...]
+ * If any of the following conditions occur, an INVALID OPERATION error is
+ * generated by the Uniform* commands, and no uniform values are changed:
+ * [...]
+ * if no variable with a location of location exists in the program object
+ * currently in use and location is not -1"
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 20;
+	config.khr_no_error_support = PIGLIT_HAS_ERRORS;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+enum piglit_result
+piglit_display(void)
+{
+	/* UNREACHED */
+	return PIGLIT_FAIL;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+	float data[4];
+	bool pass = true;
+
+	const char *vs_src = "#version 110\n"
+		"void main() { gl_Position = vec4(1.0, 1.0, 1.0, 1.0); }\n";
+	const GLuint prog = piglit_build_simple_program(vs_src, NULL);
+
+	glUseProgram(prog);
+
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+	glUniform1i(-1, 1);
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+	glUniform1i(-200, 1);
+	pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
+
+	glUniformMatrix2fv(-1, 1, GL_FALSE, data);
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+	glUniformMatrix2fv(-200, 1, GL_FALSE, data);
+	pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
-- 
2.7.4