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translate_test: improve

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1. Generate random data specifically for float and doubles, so that
   they end up in [0, 1] range
2. Don't test useless conversions like SCALED <-> NORM
3. Poison the buffers before testing
This commit is contained in:
Luca Barbieri 2010-08-12 18:18:41 +02:00
parent f668ea11bd
commit 4d946c4e8a
1 changed files with 60 additions and 6 deletions
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66
src/gallium/tests/unit/translate_test.c
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@ -37,7 +37,11 @@ int main(int argc, char** argv)
struct translate_key key;
unsigned output_format;
unsigned input_format;
unsigned buffer_size = 4096;
unsigned char* buffer[5];
unsigned char* byte_buffer;
float* float_buffer;
double* double_buffer;
unsigned count = 4;
unsigned i, j, k;
unsigned passed = 0;
@ -111,8 +115,12 @@ int main(int argc, char** argv)
return 2;
}
for (i = 0; i < Elements(buffer); ++i)
buffer[i] = align_malloc(4096, 4096);
for (i = 1; i < Elements(buffer); ++i)
buffer[i] = align_malloc(buffer_size, 4096);
byte_buffer = align_malloc(buffer_size, 4096);
float_buffer = align_malloc(buffer_size, 4096);
double_buffer = align_malloc(buffer_size, 4096);
key.nr_elements = 1;
key.element[0].input_buffer = 0;
@ -121,14 +129,24 @@ int main(int argc, char** argv)
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*/
srand48(4359025);
/* avoid negative values that work badly when converted to unsigned format*/
for (i = 0; i < buffer_size / sizeof(unsigned); ++i)
((unsigned*)byte_buffer)[i] = mrand48() & 0x7f7f7f7f;
for (i = 0; i < buffer_size / sizeof(float); ++i)
float_buffer[i] = (float)drand48();
for (i = 0; i < buffer_size / sizeof(double); ++i)
double_buffer[i] = drand48();
for (output_format = 1; output_format < PIPE_FORMAT_COUNT; ++output_format)
{
const struct util_format_description* output_format_desc = util_format_description(output_format);
unsigned output_format_size;
unsigned output_normalized = 0;
if (!output_format_desc
|| !output_format_desc->fetch_rgba_float
|| !output_format_desc->pack_rgba_float
@ -137,6 +155,12 @@ int main(int argc, char** argv)
|| !translate_is_output_format_supported(output_format))
continue;
for(i = 0; i < output_format_desc->nr_channels; ++i)
{
if(output_format_desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT)
output_normalized |= (1 << output_format_desc->channel[i].normalized);
}
output_format_size = util_format_get_stride(output_format, 1);
for (input_format = 1; input_format < PIPE_FORMAT_COUNT; ++input_format)
@ -146,6 +170,8 @@ int main(int argc, char** argv)
struct translate* translate[2];
unsigned fail = 0;
unsigned used_generic = 0;
unsigned input_normalized = 0;
boolean input_is_float = FALSE;
if (!input_format_desc
|| !input_format_desc->fetch_rgba_float
@ -157,6 +183,22 @@ int main(int argc, char** argv)
input_format_size = util_format_get_stride(input_format, 1);
for(i = 0; i < input_format_desc->nr_channels; ++i)
{
if(input_format_desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
{
input_is_float = 1;
input_normalized |= 1 << 1;
}
else
input_normalized |= (1 << input_format_desc->channel[i].normalized);
}
if(((input_normalized | output_normalized) == 3)
|| ((input_normalized & 1) && (output_normalized & 1)
&& input_format_size * output_format_desc->nr_channels > output_format_size * input_format_desc->nr_channels))
continue;
key.element[0].input_format = input_format;
key.element[0].output_format = output_format;
key.output_stride = output_format_size;
@ -176,6 +218,18 @@ int main(int argc, char** argv)
continue;
}
for(i = 1; i < 5; ++i)
memset(buffer[i], 0xcd - (0x22 * i), 4096);
if(input_is_float && input_format_desc->channel[0].size == 32)
buffer[0] = (unsigned char*)float_buffer;
else if(input_is_float && input_format_desc->channel[0].size == 64)
buffer[0] = (unsigned char*)double_buffer;
else if(input_is_float)
abort();
else
buffer[0] = byte_buffer;
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);
@ -208,7 +262,7 @@ int main(int argc, char** argv)
used_generic ? "[GENERIC]" : "",
input_format_desc->name, output_format_desc->name, input_format_desc->name, output_format_desc->name, input_format_desc->name);
if (fail)
if (1)
{
for (i = 0; i < Elements(buffer); ++i)
{