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/*
* Copyright © Microsoft 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.
*/
#include "dxil_buffer.h"
#include <assert.h>
#include <stdio.h>
static void
init()
{
struct dxil_buffer buf;
dxil_buffer_init(&buf, 2);
assert(!buf.buf);
assert(!buf.buf_bits);
}
static void
assert_blob_data(const struct dxil_buffer *m, const uint8_t *data,
size_t len)
{
if (m->blob.size != len) {
fprintf(stderr, "blob-size mismatch, expected %zd, got %zd",
len, m->blob.size);
abort();
}
for (size_t i = 0; i < len; ++i) {
if (m->blob.data[i] != data[i]) {
fprintf(stderr, "blob-data mismatch at index %zd, "
"expected 0x%02x, got 0x%02x", i,
data[i], m->blob.data[i]);
abort();
}
}
}
#define ASSERT_BLOB_DATA(m, data) \
assert_blob_data(m, data, sizeof(data))
static void
align()
{
struct dxil_buffer buf;
dxil_buffer_init(&buf, 2);
assert_blob_data(&buf, NULL, 0);
dxil_buffer_init(&buf, 2);
dxil_buffer_emit_bits(&buf, 0xbeef, 16);
dxil_buffer_align(&buf);
assert(!buf.buf);
assert(!buf.buf_bits);
uint8_t expected0[] = { 0xef, 0xbe, 0x00, 0x00 };
ASSERT_BLOB_DATA(&buf, expected0);
dxil_buffer_align(&buf);
ASSERT_BLOB_DATA(&buf, expected0);
}
static void
emit_bits()
{
struct dxil_buffer buf;
dxil_buffer_init(&buf, 2);
dxil_buffer_emit_bits(&buf, 0xbeef, 16);
dxil_buffer_align(&buf);
assert(!buf.buf);
assert(!buf.buf_bits);
uint8_t expected0[] = { 0xef, 0xbe, 0x00, 0x00 };
ASSERT_BLOB_DATA(&buf, expected0);
dxil_buffer_init(&buf, 2);
dxil_buffer_emit_bits(&buf, 0xdead, 16);
dxil_buffer_emit_bits(&buf, 0xbeef, 16);
assert(!buf.buf);
assert(!buf.buf_bits);
uint8_t expected1[] = { 0xad, 0xde, 0xef, 0xbe };
ASSERT_BLOB_DATA(&buf, expected1);
dxil_buffer_init(&buf, 2);
dxil_buffer_emit_bits(&buf, 0x1111111, 28);
dxil_buffer_emit_bits(&buf, 0x22222222, 32);
dxil_buffer_align(&buf);
uint8_t expected2[] = { 0x11, 0x11, 0x11, 0x21, 0x22, 0x22, 0x22, 0x02 };
ASSERT_BLOB_DATA(&buf, expected2);
}
static void
emit_vbr_bits()
{
struct dxil_buffer buf;
dxil_buffer_init(&buf, 2);
dxil_buffer_emit_vbr_bits(&buf, 0x1a, 8);
dxil_buffer_emit_vbr_bits(&buf, 0x1a, 6);
dxil_buffer_emit_vbr_bits(&buf, 0x00, 2);
dxil_buffer_emit_vbr_bits(&buf, 0x0a, 4);
dxil_buffer_emit_vbr_bits(&buf, 0x04, 2);
dxil_buffer_emit_vbr_bits(&buf, 0x00, 2);
uint8_t expected[] = { 0x1a, 0x1a, 0x1a, 0x1a };
ASSERT_BLOB_DATA(&buf, expected);
}
int
main()
{
init();
align();
emit_bits();
emit_vbr_bits();
return 0;
}
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