[Piglit] [PATCH 6/8] GL_ARB_uniform_buffer_object: Test 3 pieces of glGetUniformBlockIndex().
Eric Anholt
eric at anholt.net
Tue May 1 11:08:15 PDT 2012
---
tests/all.tests | 1 +
.../arb_uniform_buffer_object/CMakeLists.gl.txt | 1 +
.../getuniformblockindex.c | 137 ++++++++++++++++++++
3 files changed, 139 insertions(+)
create mode 100644 tests/spec/arb_uniform_buffer_object/getuniformblockindex.c
diff --git a/tests/all.tests b/tests/all.tests
index b71a42f..5600fed 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -1615,6 +1615,7 @@ spec['ARB_uniform_buffer_object'] = arb_uniform_buffer_object
import_glsl_parser_tests(spec['ARB_uniform_buffer_object'],
os.path.join(testsDir, 'spec', 'arb_uniform_buffer_object'),
[''])
+arb_uniform_buffer_object['getuniformblockindex'] = concurrent_test('arb_uniform_buffer_object-getuniformblockindex')
arb_uniform_buffer_object['layout-std140'] = concurrent_test('arb_uniform_buffer_object-layout-std140')
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 75b45fb..87bd089 100644
--- a/tests/spec/arb_uniform_buffer_object/CMakeLists.gl.txt
+++ b/tests/spec/arb_uniform_buffer_object/CMakeLists.gl.txt
@@ -12,6 +12,7 @@ link_libraries (
${GLUT_glut_LIBRARY}
)
+add_executable (arb_uniform_buffer_object-getuniformblockindex getuniformblockindex.c)
add_executable (arb_uniform_buffer_object-layout-std140 layout-std140.c)
# vim: ft=cmake:
diff --git a/tests/spec/arb_uniform_buffer_object/getuniformblockindex.c b/tests/spec/arb_uniform_buffer_object/getuniformblockindex.c
new file mode 100644
index 0000000..7d2340b
--- /dev/null
+++ b/tests/spec/arb_uniform_buffer_object/getuniformblockindex.c
@@ -0,0 +1,137 @@
+/*
+ * 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 getuniformblockindex.c
+ *
+ * Tests the glGetUniformBlockIndex API: returning INVALID_INDEX for
+ * inactive blocks or error conditions, and consecutive numbers from 0
+ * for active blocks.
+ */
+
+#include "piglit-util.h"
+
+int piglit_width = 100;
+int piglit_height = 100;
+int piglit_window_mode = GLUT_DOUBLE | GLUT_RGB | GLUT_ALPHA;
+static GLuint prog;
+
+static const char frag_shader_text[] =
+ "#extension GL_ARB_uniform_buffer_object : require\n"
+ "\n"
+ "uniform ub_a { vec4 a; };\n"
+ "uniform ub_b { vec4 b; };\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = a + b;\n"
+ "}\n";
+
+void
+piglit_init(int argc, char **argv)
+{
+ bool pass = true;
+ int expected_ub_b_index;
+ int index;
+ GLuint fs;
+
+ piglit_require_extension("GL_ARB_uniform_buffer_object");
+
+ fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, frag_shader_text);
+ if (!fs) {
+ printf("Failed to compile FS:\n%s", frag_shader_text);
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ prog = piglit_link_simple_program(0, fs);
+ if (!prog)
+ piglit_report_result(PIGLIT_FAIL);
+
+ index = glGetUniformBlockIndex(prog, "ub_a");
+ printf("Uniform block \"ub_a\" index: 0x%08x\n", index);
+ if (index == 0) {
+ expected_ub_b_index = 1;
+ } else if (index == 1) {
+ expected_ub_b_index = 0;
+ } else {
+ expected_ub_b_index = 1;
+ printf(" Expected 0 or 1\n");
+ pass = false;
+ }
+
+ /* From the GL_ARB_uniform_buffer_object spec:
+ *
+ * "GetUniformBlockIndex returns the uniform block index
+ * for the uniform block named <uniformBlockName> of
+ * <program>. If <uniformBlockName> does not identify an
+ * active uniform block of <program>, or an error
+ * occurred, then INVALID_INDEX is returned. The indices
+ * of the active uniform blocks of a program are assigned
+ * in consecutive order, beginning with zero."
+ */
+ index = glGetUniformBlockIndex(prog, "ub_b");
+ printf("Uniform block \"ub_b\" index: 0x%08x\n", index);
+ if (index != expected_ub_b_index) {
+ printf(" Expected 0x%08x\n", expected_ub_b_index);
+ pass = false;
+ }
+
+ /* Since we can't guarantee that an unused uniform block is
+ * inactive, we ask for a block name that was never even defined.
+ */
+ index = glGetUniformBlockIndex(prog, "ub_c");
+ printf("Uniform block \"ub_c\" index: 0x%08x\n", index);
+ if (index != GL_INVALID_INDEX) {
+ printf(" Expected 0x%08x\n", GL_INVALID_INDEX);
+ pass = false;
+ }
+
+ if (!piglit_check_gl_error(0)) {
+ pass = false;
+ }
+
+ /* From the GL_ARB_uniform_buffer_object spec:
+ *
+ * "The error INVALID_VALUE is generated by
+ * GetUniformIndices, GetActiveUniformsiv,
+ * GetActiveUniformName, GetUniformBlockIndex,
+ * GetActiveUniformBlockiv, GetActiveUniformBlockName,
+ * and UniformBlockBinding if <program> is not a value
+ * generated by GL.
+ */
+ index = glGetUniformBlockIndex(0xd0d0, "a");
+ if (!piglit_check_gl_error(GL_INVALID_VALUE)) {
+ pass = false;
+ } else if (index != GL_INVALID_INDEX) {
+ printf("Bad program uniform index: 0x%08x\n", index);
+ printf(" Expected 0x%08x\n", GL_INVALID_INDEX);
+ pass = false;
+ }
+
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+enum piglit_result piglit_display(void)
+{
+ /* UNREACHED */
+ return PIGLIT_FAIL;
+}
--
1.7.10
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