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/*
* Copyright © 2016 Red Hat.
* Copyright © 2016 Bas Nieuwenhuizen
* Copyright © 2017 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "vk_util.h"
#include "util/u_debug.h"
#include "compiler/spirv/nir_spirv.h"
uint32_t vk_get_driver_version(void)
{
const char *minor_string = strchr(PACKAGE_VERSION, '.');
const char *patch_string = minor_string ? strchr(minor_string + 1, '.') : NULL;
int major = atoi(PACKAGE_VERSION);
int minor = minor_string ? atoi(minor_string + 1) : 0;
int patch = patch_string ? atoi(patch_string + 1) : 0;
if (strstr(PACKAGE_VERSION, "devel")) {
if (patch == 0) {
patch = 99;
if (minor == 0) {
minor = 99;
--major;
} else
--minor;
} else
--patch;
}
return VK_MAKE_VERSION(major, minor, patch);
}
uint32_t vk_get_version_override(void)
{
const char *str = getenv("MESA_VK_VERSION_OVERRIDE");
if (str == NULL)
return 0;
const char *minor_str = strchr(str, '.');
const char *patch_str = minor_str ? strchr(minor_str + 1, '.') : NULL;
int major = atoi(str);
int minor = minor_str ? atoi(minor_str + 1) : 0;
int patch = patch_str ? atoi(patch_str + 1) : 0;
/* Do some basic version sanity checking */
if (major < 1 || minor < 0 || patch < 0 || minor > 1023 || patch > 4095)
return 0;
return VK_MAKE_VERSION(major, minor, patch);
}
void
vk_warn_non_conformant_implementation(const char *driver_name)
{
if (debug_get_bool_option("MESA_VK_IGNORE_CONFORMANCE_WARNING", false))
return;
fprintf(stderr, "WARNING: %s is not a conformant Vulkan implementation, "
"testing use only.\n", driver_name);
}
struct nir_spirv_specialization*
vk_spec_info_to_nir_spirv(const VkSpecializationInfo *spec_info,
uint32_t *out_num_spec_entries)
{
if (spec_info == NULL || spec_info->mapEntryCount == 0)
return NULL;
uint32_t num_spec_entries = spec_info->mapEntryCount;
struct nir_spirv_specialization *spec_entries =
calloc(num_spec_entries, sizeof(*spec_entries));
for (uint32_t i = 0; i < num_spec_entries; i++) {
VkSpecializationMapEntry entry = spec_info->pMapEntries[i];
const void *data = (uint8_t *)spec_info->pData + entry.offset;
assert((uint8_t *)data + entry.size <=
(uint8_t *)spec_info->pData + spec_info->dataSize);
spec_entries[i].id = spec_info->pMapEntries[i].constantID;
switch (entry.size) {
case 8:
spec_entries[i].value.u64 = *(const uint64_t *)data;
break;
case 4:
spec_entries[i].value.u32 = *(const uint32_t *)data;
break;
case 2:
spec_entries[i].value.u16 = *(const uint16_t *)data;
break;
case 1:
spec_entries[i].value.u8 = *(const uint8_t *)data;
break;
case 0:
default:
/* The Vulkan spec says:
*
* "For a constantID specialization constant declared in a
* shader, size must match the byte size of the constantID. If
* the specialization constant is of type boolean, size must be
* the byte size of VkBool32."
*
* Therefore, since only scalars can be decorated as
* specialization constants, we can assume that if it doesn't have
* a size of 1, 2, 4, or 8, any use in a shader would be invalid
* usage. The spec further says:
*
* "If a constantID value is not a specialization constant ID
* used in the shader, that map entry does not affect the
* behavior of the pipeline."
*
* so we should ignore any invalid specialization constants rather
* than crash or error out when we see one.
*/
break;
}
}
*out_num_spec_entries = num_spec_entries;
return spec_entries;
}
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