[Piglit] [PATCH 06/13] arb_shader_atomic_counters: Test that atomics aren't allocated from the default uniform block.
Francisco Jerez
currojerez at riseup.net
Tue Oct 8 03:14:10 CEST 2013
---
tests/all.tests | 1 +
.../arb_shader_atomic_counters/CMakeLists.gl.txt | 1 +
.../arb_shader_atomic_counters/default-partition.c | 122 +++++++++++++++++++++
3 files changed, 124 insertions(+)
create mode 100644 tests/spec/arb_shader_atomic_counters/default-partition.c
diff --git a/tests/all.tests b/tests/all.tests
index 171f305..91d4e6f 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -3173,6 +3173,7 @@ import_glsl_parser_tests(spec['ARB_shader_atomic_counters'],
arb_shader_atomic_counters['active-counters'] = concurrent_test('arb_shader_atomic_counters-active-counters')
arb_shader_atomic_counters['array-indexing'] = concurrent_test('arb_shader_atomic_counters-array-indexing')
arb_shader_atomic_counters['buffer-binding'] = concurrent_test('arb_shader_atomic_counters-buffer-binding')
+arb_shader_atomic_counters['default-partition'] = concurrent_test('arb_shader_atomic_counters-default-partition')
profile.tests['hiz'] = hiz
profile.tests['fast_color_clear'] = fast_color_clear
diff --git a/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt b/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt
index 93dec7d..f9479de 100644
--- a/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt
+++ b/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt
@@ -13,5 +13,6 @@ link_libraries (
add_executable (arb_shader_atomic_counters-active-counters active-counters.c common.c)
add_executable (arb_shader_atomic_counters-array-indexing array-indexing.c common.c)
add_executable (arb_shader_atomic_counters-buffer-binding buffer-binding.c common.c)
+add_executable (arb_shader_atomic_counters-default-partition default-partition.c common.c)
# vim: ft=cmake:
diff --git a/tests/spec/arb_shader_atomic_counters/default-partition.c b/tests/spec/arb_shader_atomic_counters/default-partition.c
new file mode 100644
index 0000000..d0d26a2
--- /dev/null
+++ b/tests/spec/arb_shader_atomic_counters/default-partition.c
@@ -0,0 +1,122 @@
+/*
+ * 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 default-partition.c
+ *
+ * Test that the following is met:
+ *
+ * "Unlike other user-defined uniforms declared at global scope,
+ * [atomic counters] take NO storage from the default partition,
+ * they have NO location [...]"
+ *
+ * (from the ARB_shader_atomic_counters specification)
+ */
+
+#include "common.h"
+
+#define L 1
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_core_version = 31;
+
+ config.window_width = L;
+ config.window_height = L;
+ config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static bool
+run_test(unsigned max_uniforms)
+{
+ const char *fs_template = "#version 140\n"
+ "#extension GL_ARB_shader_atomic_counters : enable\n"
+ "\n"
+ "#define N %d\n"
+ "\n"
+ "out ivec4 fcolor;\n"
+ "layout(binding=0) uniform atomic_uint x;\n"
+ "uniform uint y[N];\n"
+ "\n"
+ "void main() {\n"
+ " int i;\n"
+ " uint z = atomicCounter(x);\n"
+ " \n"
+ " for (i = 0; i < N; ++i)\n"
+ " z += y[i];\n"
+ " \n"
+ " fcolor.x = int(z);\n"
+ "}\n";
+ char *fs_source;
+ GLuint prog = glCreateProgram();
+ int n = 0, ret;
+
+ ret = asprintf(&fs_source, fs_template, max_uniforms);
+ assert(ret > 0);
+
+ /* This should fail to link if 'x' ended up being accounted in
+ * the default uniform partition because 'y[]' uses up the
+ * whole available uniform space. */
+ atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source);
+ glLinkProgram(prog);
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ return false;
+
+ glGetProgramiv(prog, GL_ACTIVE_UNIFORMS, &n);
+ if (n != 2) {
+ printf("Unexpected number of active uniforms %d.\n", n);
+ return false;
+ }
+
+ if (glGetUniformLocation(prog, "x") != -1) {
+ printf("Atomic counter unexpectedly reported to have a"
+ " location.\n");
+ return false;
+ }
+
+ free(fs_source);
+ glDeleteProgram(prog);
+ return true;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ struct atomic_counters_limits ls = atomic_counters_get_limits();
+ enum piglit_result status = PIGLIT_PASS;
+
+ piglit_require_gl_version(31);
+ piglit_require_extension("GL_ARB_shader_atomic_counters");
+
+ atomic_counters_subtest(&status, GL_FRAGMENT_SHADER,
+ "Atomic counter location",
+ run_test, ls.uniform_components);
+
+ piglit_report_result(status);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ return PIGLIT_PASS;
+}
--
1.8.3.4
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