[Piglit] [PATCH 04/13] arb_shader_atomic_counters: Test dynamic indexing of atomic counter arrays.
Francisco Jerez
currojerez at riseup.net
Tue Oct 8 03:14:08 CEST 2013
---
tests/all.tests | 1 +
.../arb_shader_atomic_counters/CMakeLists.gl.txt | 1 +
.../arb_shader_atomic_counters/array-indexing.c | 175 +++++++++++++++++++++
3 files changed, 177 insertions(+)
create mode 100644 tests/spec/arb_shader_atomic_counters/array-indexing.c
diff --git a/tests/all.tests b/tests/all.tests
index 37a413c..b9ec52b 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -3171,6 +3171,7 @@ import_glsl_parser_tests(spec['ARB_shader_atomic_counters'],
os.path.join(testsDir, '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')
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 4249ff0..83e38ec 100644
--- a/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt
+++ b/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt
@@ -11,5 +11,6 @@ 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)
# vim: ft=cmake:
diff --git a/tests/spec/arb_shader_atomic_counters/array-indexing.c b/tests/spec/arb_shader_atomic_counters/array-indexing.c
new file mode 100644
index 0000000..be9e252
--- /dev/null
+++ b/tests/spec/arb_shader_atomic_counters/array-indexing.c
@@ -0,0 +1,175 @@
+/*
+ * 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 array-indexing.c
+ *
+ * Check that dynamically uniform indexing of an atomic counter array
+ * works as expected.
+ */
+
+#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
+set_uniform_int(GLuint prog, const char *name, int value)
+{
+ int loc;
+
+ glLinkProgram(prog);
+ glUseProgram(prog);
+
+ loc = glGetUniformLocation(prog, name);
+ if (loc < 0)
+ return false;
+
+ glUniform1i(loc, value);
+
+ return piglit_check_gl_error(GL_NO_ERROR);
+}
+
+static bool
+run_test_vertex(void)
+{
+ const char *fs_source = "#version 140\n"
+ "flat in ivec4 vcolor;\n"
+ "out ivec4 fcolor;\n"
+ "void main() {\n"
+ " fcolor = vcolor;\n"
+ "}\n";
+ const char *vs_source = "#version 140\n"
+ "#extension GL_ARB_shader_atomic_counters : enable\n"
+ "\n"
+ "layout(binding = 0, offset = 4) uniform atomic_uint x[3];\n"
+ "in vec4 position;\n"
+ "flat out ivec4 vcolor;\n"
+ "uniform int index;\n"
+ "\n"
+ "void main() {\n"
+ " vcolor.x = int(atomicCounterIncrement(x[1 + index]));\n"
+ " vcolor.y = int(atomicCounterIncrement(x[0 + index]));\n"
+ " vcolor.z = int(atomicCounterIncrement(x[1 + index]));\n"
+ " vcolor.w = int(atomicCounterIncrement(x[0 + index]));\n"
+ " gl_Position = position;\n"
+ "}\n";
+ const unsigned int start[] = { 1, 2, 4, 8 };
+ const unsigned int expected[] = { 8, 4, 9, 5 };
+ GLuint prog = glCreateProgram();
+ bool ret =
+ atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) &&
+ atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) &&
+ set_uniform_int(prog, "index", 1) &&
+ atomic_counters_draw_point(prog, sizeof(start), start) &&
+ piglit_probe_rect_rgba_uint(0, 0, 1, 1, expected);
+
+ glDeleteProgram(prog);
+ return ret;
+}
+
+static bool
+run_test_fragment(void)
+{
+ const char *fs_source = "#version 140\n"
+ "#extension GL_ARB_shader_atomic_counters : enable\n"
+ "\n"
+ "out ivec4 fcolor;\n"
+ "uniform int index;\n"
+ "layout(binding = 0, offset = 4) uniform atomic_uint x[3];\n"
+ "\n"
+ "void main() {\n"
+ " fcolor.x = int(atomicCounterIncrement(x[1 + index]));\n"
+ " fcolor.y = int(atomicCounterIncrement(x[0 + index]));\n"
+ " fcolor.z = int(atomicCounterIncrement(x[1 + index]));\n"
+ " fcolor.w = int(atomicCounterIncrement(x[0 + index]));\n"
+ "}\n";
+ const char *vs_source = "#version 140\n"
+ "#extension GL_ARB_shader_atomic_counters : enable\n"
+ "\n"
+ "in vec4 position;\n"
+ "\n"
+ "void main() {\n"
+ " gl_Position = position;\n"
+ "}\n";
+ const uint32_t start[] = { 1, 2, 4, 8 };
+ const unsigned int expected[] = { 8, 4, 9, 5 };
+ GLuint prog = glCreateProgram();
+ bool ret =
+ atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) &&
+ atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) &&
+ set_uniform_int(prog, "index", 1) &&
+ atomic_counters_draw_point(prog, sizeof(start), start) &&
+ piglit_probe_rect_rgba_uint(0, 0, 1, 1, expected);
+
+ glDeleteProgram(prog);
+ return ret;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint fb, rb, buffer;
+
+ piglit_require_gl_version(31);
+ piglit_require_extension("GL_ARB_shader_atomic_counters");
+
+ glGenFramebuffers(1, &fb);
+ glGenRenderbuffers(1, &rb);
+
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fb);
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, fb);
+ glBindRenderbuffer(GL_RENDERBUFFER, rb);
+
+ glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA32UI, L, L);
+ glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ GL_RENDERBUFFER, rb);
+
+ glGenBuffers(1, &buffer);
+ glBindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, buffer);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ enum piglit_result status = PIGLIT_PASS;
+
+ atomic_counters_subtest(&status, GL_FRAGMENT_SHADER,
+ "Fragment atomic counter array access",
+ run_test_fragment);
+
+ atomic_counters_subtest(&status, GL_VERTEX_SHADER,
+ "Vertex atomic counter array access",
+ run_test_vertex);
+
+ piglit_report_result(status);
+ return status;
+}
--
1.8.3.4
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