GL_ARB_ubo/referenced-by-shader: Test two glGetActiveUniformBlockiv enums.

3 files changed, 133 insertions, 0 deletions

diff --git a/tests/all.tests b/tests/all.tests
index 14b2b89ae..0bbcb2505 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -1898,6 +1898,7 @@ arb_uniform_buffer_object['negative-bindbuffer-buffer'] = concurrent_test('arb_u
 arb_uniform_buffer_object['negative-bindbuffer-index'] = concurrent_test('arb_uniform_buffer_object-negative-bindbuffer-index')
 arb_uniform_buffer_object['negative-bindbuffer-target'] = concurrent_test('arb_uniform_buffer_object-negative-bindbuffer-target')
 arb_uniform_buffer_object['negative-bindbufferrange-range'] = concurrent_test('arb_uniform_buffer_object-negative-bindbufferrange-range')
+arb_uniform_buffer_object['referenced-by-shader'] = concurrent_test('arb_uniform_buffer_object-referenced-by-shader')
 arb_uniform_buffer_object['uniformblockbinding'] = concurrent_test('arb_uniform_buffer_object-uniformblockbinding')
 
 ati_draw_buffers = Group()
diff --git a/tests/spec/arb_uniform_buffer_object/CMakeLists.gl.txt b/tests/spec/arb_uniform_buffer_object/CMakeLists.gl.txt
index 79eebb7c4..f9a9a2041 100644
--- a/tests/spec/arb_uniform_buffer_object/CMakeLists.gl.txt
+++ b/tests/spec/arb_uniform_buffer_object/CMakeLists.gl.txt
@@ -25,6 +25,7 @@ add_executable (arb_uniform_buffer_object-negative-bindbuffer-index negative-bin
 add_executable (arb_uniform_buffer_object-negative-bindbuffer-buffer negative-bindbuffer-buffer.c)
 add_executable (arb_uniform_buffer_object-negative-bindbuffer-target negative-bindbuffer-target.c)
 add_executable (arb_uniform_buffer_object-negative-bindbufferrange-range negative-bindbufferrange-range.c)
+add_executable (arb_uniform_buffer_object-referenced-by-shader referenced-by-shader.c)
 add_executable (arb_uniform_buffer_object-uniformblockbinding uniformblockbinding.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/arb_uniform_buffer_object/referenced-by-shader.c b/tests/spec/arb_uniform_buffer_object/referenced-by-shader.c
new file mode 100644
index 000000000..448019619
--- /dev/null
+++ b/tests/spec/arb_uniform_buffer_object/referenced-by-shader.c
@@ -0,0 +1,131 @@
+/*
+ * Copyright © 2012 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 referenced-by-shader.c
+ *
+ * From the GL_ARB_uniform_buffer_object spec:
+ *
+ *     "If <pname> is UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER,
+ *      UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER, or
+ *      UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER, then a boolean
+ *      value indicating whether the uniform block identified by
+ *      <uniformBlockIndex> is referenced by the vertex, geometry, or
+ *      fragment programming stage of <program>, respectively, is
+ *      returned."
+ */
+
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_MAIN(
+    10 /*window_width*/,
+    10 /*window_height*/,
+    GLUT_RGB | GLUT_DOUBLE | GLUT_ALPHA)
+
+void
+piglit_init(int argc, char **argv)
+{
+	bool pass = true;
+	unsigned int i;
+	GLuint vs, fs, prog;
+	const char *vs_source =
+		"#extension GL_ARB_uniform_buffer_object : enable\n"
+		"uniform vs { float a; };\n"
+		"uniform vsfs { float c; };\n"
+		"uniform float dddd;\n"
+		"void main() {\n"
+		"	gl_Position = gl_Vertex + vec4(a + c);\n"
+		"}\n";
+	const char *fs_source =
+		"#extension GL_ARB_uniform_buffer_object : enable\n"
+		"uniform fs { float b; };\n"
+		"uniform vsfs { float c; };\n"
+		"uniform float dddd;\n"
+		"void main() {\n"
+		"	gl_FragColor = vec4(b + c);\n"
+		"}\n";
+	char name[10];
+
+	piglit_require_extension("GL_ARB_uniform_buffer_object");
+
+	fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs_source);
+	if (!fs) {
+		fprintf(stderr, "Failed to compile shader:\n%s", fs_source);
+		piglit_report_result(PIGLIT_FAIL);
+	}
+	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vs_source);
+	if (!vs) {
+		fprintf(stderr, "Failed to compile shader:\n%s", vs_source);
+		piglit_report_result(PIGLIT_FAIL);
+	}
+	prog = piglit_link_simple_program(vs, fs);
+	if (!prog) {
+		fprintf(stderr, "Failed to link shaders.\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	for (i = 0; i < 3; i++) {
+		GLint ref_vs, ref_fs;
+
+		glGetActiveUniformBlockName(prog, i, sizeof(name), NULL, name);
+
+		glGetActiveUniformBlockiv(prog, i,
+					  GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER,
+					  &ref_vs);
+		glGetActiveUniformBlockiv(prog, i,
+					  GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER,
+					  &ref_fs);
+
+		printf("%10s: %d %d", name, ref_vs, ref_fs);
+
+		if (strcmp(name, "vs") == 0) {
+			if (!ref_vs || ref_fs) {
+				printf(" FAIL");
+				pass = false;
+			}
+		} else if (strcmp(name, "fs") == 0) {
+			if (ref_vs || !ref_fs) {
+				printf(" FAIL");
+				pass = false;
+			}
+		} else if (strcmp(name, "vsfs") == 0) {
+			if (!ref_vs || !ref_fs) {
+				printf(" FAIL");
+				pass = false;
+			}
+		} else {
+			printf(" FAIL");
+			pass = false;
+		}
+
+		printf("\n");
+	}
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+enum piglit_result piglit_display(void)
+{
+	/* UNREACHED */
+	return PIGLIT_FAIL;
+}
+