[Piglit] [PATCH 4/8] sso: Verify UseProgramStages of a non-separable program generates an error

[Ian Romanick]

From: Ian Romanick <ian.d.romanick at intel.com>

Also verify the default state of GL_SEPARABLE_PROGRAM.

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
---
 tests/all.tests                                    |   1 +
 .../arb_separate_shader_objects/CMakeLists.gl.txt  |   1 +
 .../UseProgramStages-non-separable.c               | 113 +++++++++++++++++++++
 3 files changed, 115 insertions(+)
 create mode 100644 tests/spec/arb_separate_shader_objects/UseProgramStages-non-separable.c

diff --git a/tests/all.tests b/tests/all.tests
index a29c252..7d2fe56 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -1145,6 +1145,7 @@ arb_separate_shader_objects = Group()
 spec['ARB_separate_shader_objects'] = arb_separate_shader_objects
 arb_separate_shader_objects['GetProgramPipelineiv'] = concurrent_test('arb_separate_shader_object-GetProgramPipelineiv')
 arb_separate_shader_objects['IsProgramPipeline'] = concurrent_test('arb_separate_shader_object-IsProgramPipeline')
+arb_separate_shader_objects['UseProgramStages - non-separable program'] = concurrent_test('arb_separate_shader_object-UseProgramStages-non-separable')
 
 # Group ARB_sampler_objects
 arb_sampler_objects = Group()
diff --git a/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt b/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
index fa955c6..3397b4d 100644
--- a/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
+++ b/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
@@ -11,3 +11,4 @@ link_libraries (
 
 piglit_add_executable (arb_separate_shader_object-GetProgramPipelineiv GetProgramPipelineiv.c)
 piglit_add_executable (arb_separate_shader_object-IsProgramPipeline IsProgramPipeline.c)
+piglit_add_executable (arb_separate_shader_object-UseProgramStages-non-separable UseProgramStages-non-separable.c)
diff --git a/tests/spec/arb_separate_shader_objects/UseProgramStages-non-separable.c b/tests/spec/arb_separate_shader_objects/UseProgramStages-non-separable.c
new file mode 100644
index 0000000..7ddd911
--- /dev/null
+++ b/tests/spec/arb_separate_shader_objects/UseProgramStages-non-separable.c
@@ -0,0 +1,113 @@
+/*
+ * 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.
+ */
+
+/**
+ * \file UseProgramStages-non-separable.c
+ * Verify that a program w/o PROGRAM_SEPARABLE cannot be used with SSO
+ */
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 10;
+	config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char *vs_code =
+	"#version 110\n"
+	"void main() { gl_Position = gl_Vertex; }\n"
+	;
+
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_FAIL;
+}
+
+void piglit_init(int argc, char **argv)
+{
+	GLuint prog;
+	GLuint pipeline;
+	GLint param;
+	bool pass = true;
+
+	piglit_require_vertex_shader();
+	piglit_require_extension("GL_ARB_separate_shader_objects");
+
+	prog = piglit_build_simple_program(vs_code, NULL);
+
+	/* Sanity check that GL_PROGRAM_SEPARABLE didn't magically get
+	 * set for us.
+	 */
+	param = 0xDEADBEEF;
+	glGetProgramiv(prog, GL_PROGRAM_SEPARABLE, &param);
+
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+	if (param == 0xDEADBEEF) {
+		fprintf(stderr,
+			"glGetProgramiv(GL_PROGRAM_SEPARABLE) didn't write "
+			"a value.\n");
+		pass = false;
+	} else if (param != GL_FALSE) {
+		fprintf(stderr,	"GL_PROGRAM_SEPARABLE is %d, should be 0.\n",
+			param);
+		pass = false;
+	}
+
+	/* Section 2.11.4 (Program Pipeline Objects) of the OpenGL 4.1
+	 * spec says:
+	 *
+	 *     "If the program object named by program was linked without the
+	 *     PROGRAM_SEPARABLE parameter set, or was not linked
+	 *     successfully, the error INVALID_OPERATION is generated and the
+	 *     corresponding shader stages in the pipeline program pipeline
+	 *     object are not modified."
+	 */
+	glGenProgramPipelines(1, &pipeline);
+	glUseProgramStages(pipeline, GL_VERTEX_SHADER_BIT, prog);
+
+	/* Verify that the error is generated...
+	 */
+	pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
+
+	/* ...and that the old binding is not modified.
+	 */
+	param = 0xDEADBEEF;
+	glGetProgramPipelineiv(pipeline, GL_VERTEX_SHADER, &param);
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+	if (param == 0xDEADBEEF) {
+		fprintf(stderr,
+			"glGetProgramPipelineiv(GL_VERTEX_SHADER) didn't "
+			"write a value.\n");
+		pass = false;
+	} else if (param != 0) {
+		fprintf(stderr,	"GL_VERTEX_SHADER is %d, should be 0.\n",
+			param);
+		pass = false;
+	}
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
-- 
1.8.1.4