Mesa (master): progs/gallium: Add unit tests for pixel format packing/ unpacking.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Sat Feb 27 20:29:33 UTC 2010
Module: Mesa
Branch: master
Commit: 5b3c0c151b2d9b109935d47c1cd108b4d1f1ae64
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5b3c0c151b2d9b109935d47c1cd108b4d1f1ae64
Author: José Fonseca <jfonseca at vmware.com>
Date: Sat Feb 27 20:28:16 2010 +0000
progs/gallium: Add unit tests for pixel format packing/unpacking.
---
progs/SConscript | 81 ++++++-----
progs/gallium/unit/SConscript | 15 ++
progs/gallium/unit/u_format_test.c | 279 ++++++++++++++++++++++++++++++++++++
3 files changed, 337 insertions(+), 38 deletions(-)
diff --git a/progs/SConscript b/progs/SConscript
index 2ec95a2..aa6640c 100644
--- a/progs/SConscript
+++ b/progs/SConscript
@@ -1,8 +1,13 @@
+Import('*')
+
+if env['platform'] == 'embedded':
+ Return()
+
SConscript([
'util/SConscript',
])
-Import('*')
+Import('util')
progs_env = env.Clone()
@@ -15,40 +20,40 @@ if progs_env['platform'] == 'windows':
'gdi32',
])
-if platform != 'embedded':
- # OpenGL
- if progs_env['platform'] == 'windows':
- progs_env.Prepend(LIBS = ['glu32', 'opengl32'])
- else:
- progs_env.Prepend(LIBS = ['GLU', 'GL'])
-
- # Glut
- progs_env.Prepend(LIBPATH = [glut.dir])
- progs_env.Prepend(LIBS = [glut.name])
-
- # GLEW
- progs_env.Prepend(LIBS = [glew])
-
- progs_env.Prepend(CPPPATH = [
- '#progs/util',
- ])
-
- progs_env.Prepend(LIBS = [
- util,
- ])
-
- Export('progs_env')
-
- SConscript([
- 'demos/SConscript',
- 'glsl/SConscript',
- 'redbook/SConscript',
- 'samples/SConscript',
- 'tests/SConscript',
- 'trivial/SConscript',
- 'vp/SConscript',
- 'vpglsl/SConscript',
- 'fp/SConscript',
- 'wgl/SConscript',
- 'perf/SConscript',
- ])
+# OpenGL
+if progs_env['platform'] == 'windows':
+ progs_env.Prepend(LIBS = ['glu32', 'opengl32'])
+else:
+ progs_env.Prepend(LIBS = ['GLU', 'GL'])
+
+# Glut
+progs_env.Prepend(LIBPATH = [glut.dir])
+progs_env.Prepend(LIBS = [glut.name])
+
+# GLEW
+progs_env.Prepend(LIBS = [glew])
+
+progs_env.Prepend(CPPPATH = [
+ '#progs/util',
+])
+
+progs_env.Prepend(LIBS = [
+ util,
+])
+
+Export('progs_env')
+
+SConscript([
+ 'demos/SConscript',
+ 'glsl/SConscript',
+ 'redbook/SConscript',
+ 'samples/SConscript',
+ 'tests/SConscript',
+ 'trivial/SConscript',
+ 'vp/SConscript',
+ 'vpglsl/SConscript',
+ 'fp/SConscript',
+ 'wgl/SConscript',
+ 'perf/SConscript',
+ 'gallium/unit/SConscript',
+])
diff --git a/progs/gallium/unit/SConscript b/progs/gallium/unit/SConscript
new file mode 100644
index 0000000..7c614f6
--- /dev/null
+++ b/progs/gallium/unit/SConscript
@@ -0,0 +1,15 @@
+Import('*')
+
+env = env.Clone()
+
+env.Prepend(LIBS = [gallium])
+
+progs = [
+ 'u_format_test'
+]
+
+for prog in progs:
+ prog = env.Program(
+ target = prog,
+ source = prog + '.c',
+ )
diff --git a/progs/gallium/unit/u_format_test.c b/progs/gallium/unit/u_format_test.c
new file mode 100644
index 0000000..35bf022
--- /dev/null
+++ b/progs/gallium/unit/u_format_test.c
@@ -0,0 +1,279 @@
+/**************************************************************************
+ *
+ * Copyright 2009-2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "util/u_format.h"
+#include "util/u_format_pack.h"
+
+
+#define MAX_PACKED_BYTES 4
+
+
+/**
+ * A (packed, unpacked) color pair.
+ */
+struct util_format_test_case
+{
+ enum pipe_format format;
+
+ /**
+ * Mask of the bits that actually meaningful data. Used to mask out the
+ * "X" channels.
+ */
+ uint8_t mask[MAX_PACKED_BYTES];
+
+ uint8_t packed[MAX_PACKED_BYTES];
+
+ /**
+ * RGBA.
+ */
+ double unpacked[4];
+};
+
+
+/*
+ * Helper macros to create the packed bytes for longer words.
+ */
+
+#define PACKED_1x8(x) {x, 0, 0, 0}
+#define PACKED_4x8(x, y, z, w) {x, y, z, w}
+#define PACKED_1x32(x) {(x) & 0xff, ((x) >> 8) & 0xff, ((x) >> 16) & 0xff, ((x) >> 24) & 0xff}
+#define PACKED_1x16(x) {(x) & 0xff, ((x) >> 8) & 0xff, 0, 0}
+
+
+/**
+ * Test cases.
+ *
+ * These were manually entered. We could generate these
+ *
+ * To keep this to a we cover only the corner cases, which should produce
+ * good enough coverage since that pixel format transformations are afine for
+ * non SRGB formats.
+ */
+static const struct util_format_test_case
+test_cases[] =
+{
+ {PIPE_FORMAT_R5G6B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_R5G6B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x001f), {0.0, 0.0, 1.0, 1.0}},
+ {PIPE_FORMAT_R5G6B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x07e0), {0.0, 1.0, 0.0, 1.0}},
+ {PIPE_FORMAT_R5G6B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xf800), {1.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_R5G6B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_A1R5G5B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A1R5G5B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x001f), {0.0, 0.0, 1.0, 0.0}},
+ {PIPE_FORMAT_A1R5G5B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x03e0), {0.0, 1.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A1R5G5B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x7c00), {1.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A1R5G5B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x8000), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_A1R5G5B5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_A4R4G4B4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A4R4G4B4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x000f), {0.0, 0.0, 1.0, 0.0}},
+ {PIPE_FORMAT_A4R4G4B4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x00f0), {0.0, 1.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A4R4G4B4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0f00), {1.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A4R4G4B4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xf000), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_A4R4G4B4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_A2B10G10R10_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A2B10G10R10_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000003ff), {1.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A2B10G10R10_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000ffc00), {0.0, 1.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A2B10G10R10_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x3ff00000), {0.0, 0.0, 1.0, 0.0}},
+ {PIPE_FORMAT_A2B10G10R10_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xc0000000), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_A2B10G10R10_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), {0.0, 0.0, 1.0, 0.0}},
+ {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), {0.0, 1.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), {1.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x000000ff), {0.0, 0.0, 1.0, 1.0}},
+ {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x0000ff00), {0.0, 1.0, 0.0, 1.0}},
+ {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00ff0000), {1.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0xff000000), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), {1.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), {0.0, 1.0, 0.0, 0.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), {0.0, 0.0, 1.0, 0.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x000000ff), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x0000ff00), {1.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x00ff0000), {0.0, 1.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0xff000000), {0.0, 0.0, 1.0, 1.0}},
+ {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
+
+#if 0
+ {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), {0.0, 0.0, 1.0, 0.0}},
+ {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), {0.0, 1.0, 0.0, 0.0}},
+ {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), {1.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
+#endif
+
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), {1.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), {0.0, 1.0, 0.0, 0.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), {0.0, 0.0, 1.0, 0.0}},
+ {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_L8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0x00), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_L8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0xff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_A8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0x00), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0xff), {0.0, 0.0, 0.0, 1.0}},
+
+ {PIPE_FORMAT_I8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0x00), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_I8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0xff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_A8L8_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8L8_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x00ff), {1.0, 1.0, 1.0, 0.0}},
+ {PIPE_FORMAT_A8L8_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xff00), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_A8L8_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_L16_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_L16_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
+
+ {PIPE_FORMAT_A8B8G8R8_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), { 0.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8B8G8R8_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000007f), { 1.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8B8G8R8_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000081), {-1.0, 0.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8B8G8R8_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00007f00), { 0.0, 1.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8B8G8R8_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00008100), { 0.0, -1.0, 0.0, 0.0}},
+ {PIPE_FORMAT_A8B8G8R8_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x007f0000), { 0.0, 0.0, 1.0, 0.0}},
+ {PIPE_FORMAT_A8B8G8R8_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00810000), { 0.0, 0.0, -1.0, 0.0}},
+ {PIPE_FORMAT_A8B8G8R8_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x7f000000), { 0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_A8B8G8R8_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x81000000), { 0.0, 0.0, 0.0, -1.0}},
+
+ {PIPE_FORMAT_X8UB8UG8SR8S_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000000), { 0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_X8UB8UG8SR8S_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x0000007f), { 1.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_X8UB8UG8SR8S_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000081), {-1.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_X8UB8UG8SR8S_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00007f00), { 0.0, 1.0, 0.0, 1.0}},
+ {PIPE_FORMAT_X8UB8UG8SR8S_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00008100), { 0.0, -1.0, 0.0, 1.0}},
+ {PIPE_FORMAT_X8UB8UG8SR8S_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00ff0000), { 0.0, 0.0, 1.0, 1.0}},
+ {PIPE_FORMAT_X8UB8UG8SR8S_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0xff000000), { 0.0, 0.0, 0.0, 1.0}},
+
+ {PIPE_FORMAT_B6UG5SR5S_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), { 0.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B6UG5SR5S_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x000f), { 1.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B6UG5SR5S_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x0011), {-1.0, 0.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B6UG5SR5S_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x01e0), { 0.0, 1.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B6UG5SR5S_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x0220), { 0.0, -1.0, 0.0, 1.0}},
+ {PIPE_FORMAT_B6UG5SR5S_NORM, PACKED_1x16(0xffff), PACKED_1x16(0xfc00), { 0.0, 0.0, 1.0, 1.0}},
+};
+
+
+static boolean
+test_format_unpack(const struct util_format_test_case *test)
+{
+ float unpacked[4];
+ unsigned i;
+ boolean success;
+
+ util_format_unpack_4f(test->format, unpacked, test->packed);
+
+ success = TRUE;
+ for (i = 0; i < 4; ++i)
+ if (test->unpacked[i] != unpacked[i])
+ success = FALSE;
+
+ if (!success) {
+ printf("FAILED: (%f %f %f %f) obtained\n", unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
+ printf(" (%f %f %f %f) expected\n", test->unpacked[0], test->unpacked[1], test->unpacked[2], test->unpacked[3]);
+ }
+
+ return success;
+}
+
+
+static boolean
+test_format_pack(const struct util_format_test_case *test)
+{
+ uint8_t packed[MAX_PACKED_BYTES];
+ unsigned i;
+ boolean success;
+
+ memset(packed, 0, sizeof packed);
+
+ util_format_pack_4f(test->format, packed, test->unpacked[0], test->unpacked[1], test->unpacked[2], test->unpacked[3]);
+
+ success = TRUE;
+ for (i = 0; i < MAX_PACKED_BYTES; ++i)
+ if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
+ success = FALSE;
+
+ if (!success) {
+ printf("FAILED: (%02x %02x %02x %02x) obtained\n", packed[0], packed[1], packed[2], packed[3]);
+ printf(" (%02x %02x %02x %02x) expected\n", test->packed[0], test->packed[1], test->packed[2], test->packed[3]);
+ }
+
+ return success;
+}
+
+
+static boolean
+test_all(void)
+{
+ enum pipe_format last_format = PIPE_FORMAT_NONE;
+ unsigned i;
+ bool success = TRUE;
+
+ for (i = 0; i < sizeof(test_cases)/sizeof(test_cases[0]); ++i) {
+ if (test_cases[i].format != last_format) {
+ const struct util_format_description *format_desc;
+ format_desc = util_format_description(test_cases[i].format);
+ fprintf(stderr, "Testing %s ...\n", format_desc->name);
+ last_format = test_cases[i].format;
+ }
+
+ if (!test_format_pack(&test_cases[i]))
+ success = FALSE;
+
+ if (!test_format_unpack(&test_cases[i]))
+ success = FALSE;
+ }
+
+ return success;
+}
+
+
+int main(int argc, char **argv)
+{
+ boolean success;
+
+ success = test_all();
+
+ return success ? 0 : 1;
+}
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