[Piglit] [PATCH] arb_blend_func_extended: output-location api test

[Tapani Pälli]

Linking should fail, test passes on NVIDIA's proprietary driver version
346.59 but crashes currently on i965 driver.

Signed-off-by: Tapani Pälli <tapani.palli at intel.com>
---
 .../arb_blend_func_extended/api/CMakeLists.gl.txt  |  1 +
 .../arb_blend_func_extended/api/output-location.c  | 92 ++++++++++++++++++++++
 2 files changed, 93 insertions(+)
 create mode 100644 tests/spec/arb_blend_func_extended/api/output-location.c

diff --git a/tests/spec/arb_blend_func_extended/api/CMakeLists.gl.txt b/tests/spec/arb_blend_func_extended/api/CMakeLists.gl.txt
index e7d83ba..8902d45 100644
--- a/tests/spec/arb_blend_func_extended/api/CMakeLists.gl.txt
+++ b/tests/spec/arb_blend_func_extended/api/CMakeLists.gl.txt
@@ -11,6 +11,7 @@ link_libraries (
 
 piglit_add_executable (arb_blend_func_extended-bindfragdataindexed-invalid-parameters bindfragdataindexed-invalid-parameters.c)
 piglit_add_executable (arb_blend_func_extended-getfragdataindex getfragdataindex.c)
+piglit_add_executable (arb_blend_func_extended-output-location output-location.c)
 piglit_add_executable (arb_blend_func_extended-blend-api blend-api)
 piglit_add_executable (arb_blend_func_extended-error-at-begin error-at-begin)
 # vim: ft=cmake:
diff --git a/tests/spec/arb_blend_func_extended/api/output-location.c b/tests/spec/arb_blend_func_extended/api/output-location.c
new file mode 100644
index 0000000..b95ee72
--- /dev/null
+++ b/tests/spec/arb_blend_func_extended/api/output-location.c
@@ -0,0 +1,92 @@
+/* Copyright © 2015 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 output-location.c
+ *
+ * \author Tapani Pälli
+ * heavily inspired by getfragdataindex.c from Dave Airlie
+ */
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_core_version = 31;
+	config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char *vs_text =
+	"#version 150\n"
+	"in vec4 vertex;\n"
+	"void main() { gl_Position = vertex; }\n"
+	;
+
+static const char *fs_template =
+	"#version 150\n"
+	"#extension GL_ARB_explicit_attrib_location : require\n"
+	"layout(location = 0, index = 0) out vec4 a;\n"
+	"layout(location = %d, index = 1) out vec4 b;\n"
+	"void main() {\n"
+	"    a = vec4(0.0);\n"
+	"    b = vec4(1.0);\n"
+	"}\n"
+	;
+
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_FAIL;
+}
+
+void piglit_init(int argc, char **argv)
+{
+	GLint max_dual_source;
+	GLuint prog;
+	char fs_text[256];
+
+	piglit_require_extension("GL_ARB_blend_func_extended");
+
+	glGetIntegerv(GL_MAX_DUAL_SOURCE_DRAW_BUFFERS, &max_dual_source);
+
+	if (max_dual_source < 1) {
+		fprintf(stderr,
+			"ARB_blend_func_extended requires "
+			"GL_MAX_DUAL_SOURCE_DRAW_BUFFERS >= 1. "
+			"Only got %d!\n",
+			max_dual_source);
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	/* Set >= GL_MAX_DUAL_SOURCE_DRAW_BUFFERS location for 'b' */
+	snprintf(fs_text, 256, fs_template, max_dual_source);
+
+	prog = piglit_build_simple_program_unlinked(vs_text, fs_text);
+
+	/* Linking should fail as the location set is too big. */
+	glLinkProgram(prog);
+
+	if (piglit_link_check_status(prog))
+		piglit_report_result(PIGLIT_FAIL);
+
+	piglit_report_result(PIGLIT_PASS);
+}
-- 
2.1.0