Mesa (master): translate: add testsuite
Luca Barbieri
lb at kemper.freedesktop.org
Wed Aug 11 14:28:00 UTC 2010
Module: Mesa
Branch: master
Commit: 945e38c73b46afc12b0655f9fc8200f216a8f8c1
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=945e38c73b46afc12b0655f9fc8200f216a8f8c1
Author: Luca Barbieri <luca at luca-barbieri.com>
Date: Wed Aug 11 15:57:37 2010 +0200
translate: add testsuite
Currently only checks all possible format conversions, and doesn't
attempt to test whether multiple buffers/elements or indices work.
---
src/gallium/tests/unit/Makefile | 3 +-
src/gallium/tests/unit/translate_test.c | 170 +++++++++++++++++++++++++++++++
2 files changed, 172 insertions(+), 1 deletions(-)
diff --git a/src/gallium/tests/unit/Makefile b/src/gallium/tests/unit/Makefile
index f65958d..345bd1f 100644
--- a/src/gallium/tests/unit/Makefile
+++ b/src/gallium/tests/unit/Makefile
@@ -22,7 +22,8 @@ SOURCES = \
pipe_barrier_test.c \
u_cache_test.c \
u_half_test.c \
- u_format_test.c
+ u_format_test.c \
+ translate_test.c
OBJECTS = $(SOURCES:.c=.o)
diff --git a/src/gallium/tests/unit/translate_test.c b/src/gallium/tests/unit/translate_test.c
new file mode 100644
index 0000000..473c73a
--- /dev/null
+++ b/src/gallium/tests/unit/translate_test.c
@@ -0,0 +1,170 @@
+/**************************************************************************
+ *
+ * Copyright © 2010 Luca Barbieri
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#include <stdio.h>
+#include <translate/translate.h>
+#include <util/u_memory.h>
+#include <util/u_format.h>
+
+int main(int argc, char** argv)
+{
+ struct translate *(*create_fn)( const struct translate_key *key ) = 0;
+
+ struct translate_key key;
+ unsigned output_format;
+ unsigned input_format;
+ unsigned char* buffer[5];
+ unsigned count = 4;
+ unsigned i, j, k;
+ unsigned passed = 0;
+ unsigned total = 0;
+
+ create_fn = 0;
+
+ if(argc > 1 && !strcmp(argv[1], "generic"))
+ create_fn = translate_generic_create;
+ else if(argc > 1 && !strcmp(argv[1], "x86"))
+ create_fn = translate_sse2_create;
+
+ if(!create_fn)
+ {
+ printf("Usage: ./translate_test [generic|x86]\n");
+ return 1;
+ }
+
+ for(i = 0; i < Elements(buffer); ++i)
+ buffer[i] = align_malloc(4096, 4096);
+
+ key.nr_elements = 1;
+ key.element[0].input_buffer = 0;
+ key.element[0].input_offset = 0;
+ key.element[0].output_offset = 0;
+ key.element[0].type = TRANSLATE_ELEMENT_NORMAL;
+ key.element[0].instance_divisor = 0;
+
+ srand(4359025);
+ for(i = 0; i < 4096; ++i)
+ buffer[0][i] = rand() & 0x7f; /* avoid negative values that work badly when converted to unsigned format*/
+
+ for(output_format = 0; output_format < PIPE_FORMAT_COUNT; ++output_format)
+ {
+ const struct util_format_description* output_format_desc = util_format_description(output_format);
+ unsigned output_format_size = util_format_get_stride(output_format, 1);
+ if(!output_format_desc
+ || !output_format_desc->fetch_rgba_float
+ || !output_format_desc->pack_rgba_float
+ || output_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
+ || output_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
+ )
+ continue;
+
+ for(input_format = 0; input_format < PIPE_FORMAT_COUNT; ++input_format)
+ {
+ const struct util_format_description* input_format_desc = util_format_description(input_format);
+ unsigned input_format_size = util_format_get_stride(input_format, 1);
+ struct translate* translate[2];
+ unsigned fail = 0;
+
+ if(!input_format_desc
+ || !input_format_desc->fetch_rgba_float
+ || !input_format_desc->pack_rgba_float
+ || input_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
+ || input_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
+ )
+ continue;
+
+ key.element[0].input_format = input_format;
+ key.element[0].output_format = output_format;
+ key.output_stride = output_format_size;
+ translate[0] = create_fn(&key);
+ if(!translate[0])
+ continue;
+
+ key.element[0].input_format = output_format;
+ key.element[0].output_format = input_format;
+ key.output_stride = input_format_size;
+ translate[1] = create_fn(&key);
+ if(!translate[1])
+ goto free_translate0;
+
+ translate[0]->set_buffer(translate[0], 0, buffer[0], input_format_size, ~0);
+ translate[0]->run(translate[0], 0, count, 0, buffer[1]);
+ translate[1]->set_buffer(translate[1], 0, buffer[1], output_format_size, ~0);
+ translate[1]->run(translate[1], 0, count, 0, buffer[2]);
+ translate[0]->set_buffer(translate[0], 0, buffer[2], input_format_size, ~0);
+ translate[0]->run(translate[0], 0, count, 0, buffer[3]);
+ translate[1]->set_buffer(translate[1], 0, buffer[3], output_format_size, ~0);
+ translate[1]->run(translate[1], 0, count, 0, buffer[4]);
+
+ for(i = 0; i < count; ++i)
+ {
+ float a[4];
+ float b[4];
+ float error = 0.03125;
+ input_format_desc->fetch_rgba_float(a, buffer[2] + i * input_format_size, 0, 0);
+ input_format_desc->fetch_rgba_float(b, buffer[4] + i * input_format_size, 0, 0);
+
+ for(j = 0; j < count; ++j)
+ {
+ float d = a[j] - b[j];
+ if(d > error || d < -error)
+ {
+ fail = 1;
+ break;
+ }
+ }
+ }
+
+ if(fail)
+ {
+ printf("FAIL: %s -> %s -> %s -> %s -> %s\n", input_format_desc->name, output_format_desc->name, input_format_desc->name, output_format_desc->name, input_format_desc->name);
+ for(i = 0; i < Elements(buffer); ++i)
+ {
+ unsigned format_size = (i & 1) ? output_format_size : input_format_size;
+ printf("%c ", (i == 2 || i == 4) ? '*' : ' ');
+ for(j = 0; j < count; ++j)
+ {
+ for(k = 0; k < format_size; ++k)
+ {
+ printf("%02x", buffer[i][j * format_size + k]);
+ }
+ printf(" ");
+ }
+ printf("\n");
+ }
+ }
+ else
+ ++passed;
+ ++total;
+
+ translate[1]->release(translate[1]);
+free_translate0:
+ translate[0]->release(translate[0]);
+ }
+ }
+
+ printf("%u/%u tests passed for translate_%s\n", passed, total, argv[1]);
+ return 0;
+}
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