arb_vertex_attrib_64bit: add explicit location interaction test

this confirms it gets the location requested.

2 files changed, 115 insertions, 0 deletions

diff --git a/tests/spec/arb_vertex_attrib_64bit/execution/CMakeLists.gl.txt b/tests/spec/arb_vertex_attrib_64bit/execution/CMakeLists.gl.txt
index 84fc00947..bb9cb8c0b 100644
--- a/tests/spec/arb_vertex_attrib_64bit/execution/CMakeLists.gl.txt
+++ b/tests/spec/arb_vertex_attrib_64bit/execution/CMakeLists.gl.txt
@@ -10,3 +10,4 @@ link_libraries (
 )
 
 piglit_add_executable (arb_vertex_attrib_64bit-double_attribs double_attribs.c)
+piglit_add_executable (arb_vertex_attrib_64bit-check-explicit-location check-explicit-location.c)
diff --git a/tests/spec/arb_vertex_attrib_64bit/execution/check-explicit-location.c b/tests/spec/arb_vertex_attrib_64bit/execution/check-explicit-location.c
new file mode 100644
index 000000000..4c04ba584
--- /dev/null
+++ b/tests/spec/arb_vertex_attrib_64bit/execution/check-explicit-location.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright © 2010 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 glsl-explicit-attrib-location-01.c
+ * Basic test of GL_ARB_explicit_attrib_location
+ *
+ * Load a shader that uses the location layout qualifier on an attribute.
+ * Verify that the attribute is assigned that location.
+ *
+ * \author Ian Romanick
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_core_version = 32;
+
+	config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+const char *vs_text =
+	"#version 330\n"
+	"#extension GL_ARB_vertex_attrib_64bit: require\n"
+	"#extension GL_ARB_gpu_shader_fp64: require\n"
+ 	"layout(location = 0) in dvec4 vertex;\n"
+	"layout(location = 1) in dvec4 vcolor;\n"
+	"flat out dvec4 fscolor;\n"
+	"void main()\n"
+	"{\n"
+	"gl_Position = vertex;\n"
+	"fscolor = vcolor;\n"
+	"}\n";
+
+const char *fs_text =
+	"#version 330\n"
+	"#extension GL_ARB_gpu_shader_fp64: require\n"
+	"flat in dvec4 fscolor;\n"
+	"out vec4 color;\n"
+	"void main()\n"
+	"{\n"
+	"	color = vec4(fscolor);\n"
+	"}\n";
+	
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_FAIL;
+}
+
+void piglit_init(int argc, char **argv)
+{
+	GLint vert, frag;
+	GLint prog;
+	GLboolean ok;
+
+	piglit_require_gl_version(20);
+
+	piglit_require_extension("GL_ARB_explicit_attrib_location");
+	piglit_require_extension("GL_ARB_vertex_attrib_64bit");
+
+	vert = piglit_compile_shader_text(GL_VERTEX_SHADER, vs_text);
+	frag = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs_text);
+	prog = glCreateProgram();
+	glAttachShader(prog, vert);
+	glAttachShader(prog, frag);
+	glLinkProgram(prog);
+
+	ok = piglit_link_check_status(prog);
+	if (ok) {
+
+		GLint loc = glGetAttribLocation(prog, "vertex");
+
+		if (loc != 0) {
+			fprintf(stderr,
+				"Expected location of 'vertex' to be 0, got "
+				"%d instead.\n", loc);
+			ok = GL_FALSE;
+		}
+		loc = glGetAttribLocation(prog, "vcolor");
+
+		if (loc != 1) {
+			fprintf(stderr,
+				"Expected location of 'vcolor' to be 0, got "
+				"%d instead.\n", loc);
+			ok = GL_FALSE;
+		}
+	}
+
+	piglit_report_result(ok ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+