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vkd3d/libs/vkd3d-shader/dxbc.c

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/*
* Copyright 2008-2009 Henri Verbeet for CodeWeavers
* Copyright 2010 Rico Schüller
* Copyright 2017 Józef Kucia for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "vkd3d_shader_private.h"
void dxbc_writer_init(struct dxbc_writer *dxbc)
{
memset(dxbc, 0, sizeof(*dxbc));
}
void dxbc_writer_add_section(struct dxbc_writer *dxbc, uint32_t tag, const void *data, size_t size)
{
struct vkd3d_shader_dxbc_section_desc *section;
assert(dxbc->section_count < ARRAY_SIZE(dxbc->sections));
section = &dxbc->sections[dxbc->section_count++];
section->tag = tag;
section->data.code = data;
section->data.size = size;
}
int vkd3d_shader_serialize_dxbc(size_t section_count, const struct vkd3d_shader_dxbc_section_desc *sections,
struct vkd3d_shader_code *dxbc, char **messages)
{
size_t size_position, offsets_position, checksum_position, i;
struct vkd3d_bytecode_buffer buffer = {0};
uint32_t checksum[4];
TRACE("section_count %zu, sections %p, dxbc %p, messages %p.\n", section_count, sections, dxbc, messages);
if (messages)
*messages = NULL;
put_u32(&buffer, TAG_DXBC);
checksum_position = bytecode_get_size(&buffer);
for (i = 0; i < 4; ++i)
put_u32(&buffer, 0);
put_u32(&buffer, 1); /* version */
size_position = put_u32(&buffer, 0);
put_u32(&buffer, section_count);
offsets_position = bytecode_get_size(&buffer);
for (i = 0; i < section_count; ++i)
put_u32(&buffer, 0);
for (i = 0; i < section_count; ++i)
{
set_u32(&buffer, offsets_position + i * sizeof(uint32_t), bytecode_align(&buffer));
put_u32(&buffer, sections[i].tag);
put_u32(&buffer, sections[i].data.size);
bytecode_put_bytes(&buffer, sections[i].data.code, sections[i].data.size);
}
set_u32(&buffer, size_position, bytecode_get_size(&buffer));
vkd3d_compute_dxbc_checksum(buffer.data, buffer.size, checksum);
for (i = 0; i < 4; ++i)
set_u32(&buffer, checksum_position + i * sizeof(uint32_t), checksum[i]);
if (!buffer.status)
{
dxbc->code = buffer.data;
dxbc->size = buffer.size;
}
return buffer.status;
}
int dxbc_writer_write(struct dxbc_writer *dxbc, struct vkd3d_shader_code *out)
{
return vkd3d_shader_serialize_dxbc(dxbc->section_count, dxbc->sections, out, NULL);
}
static bool require_space(size_t offset, size_t count, size_t size, size_t data_size)
{
return !count || (data_size - offset) / count >= size;
}
static uint32_t read_u32(const char **ptr)
{
unsigned int ret;
memcpy(&ret, *ptr, sizeof(ret));
*ptr += sizeof(ret);
return ret;
}
static float read_float(const char **ptr)
{
union
{
uint32_t i;
float f;
} u;
STATIC_ASSERT(sizeof(float) == sizeof(uint32_t));
u.i = read_u32(ptr);
return u.f;
}
static void skip_dword_unknown(const char **ptr, unsigned int count)
{
unsigned int i;
uint32_t d;
if (!count)
return;
WARN("Skipping %u unknown DWORDs:\n", count);
for (i = 0; i < count; ++i)
{
d = read_u32(ptr);
WARN("\t0x%08x\n", d);
}
}
static const char *shader_get_string(const char *data, size_t data_size, DWORD offset)
{
size_t len, max_len;
if (offset >= data_size)
{
WARN("Invalid offset %#x (data size %#lx).\n", offset, (long)data_size);
return NULL;
}
max_len = data_size - offset;
len = strnlen(data + offset, max_len);
if (len == max_len)
return NULL;
return data + offset;
}
static int parse_dxbc(const struct vkd3d_shader_code *dxbc, struct vkd3d_shader_message_context *message_context,
const char *source_name, struct vkd3d_shader_dxbc_desc *desc)
{
const struct vkd3d_shader_location location = {.source_name = source_name};
struct vkd3d_shader_dxbc_section_desc *sections, *section;
uint32_t checksum[4], calculated_checksum[4];
const char *data = dxbc->code;
size_t data_size = dxbc->size;
const char *ptr = data;
uint32_t chunk_count;
uint32_t total_size;
uint32_t version;
unsigned int i;
uint32_t tag;
if (data_size < VKD3D_DXBC_HEADER_SIZE)
{
WARN("Invalid data size %zu.\n", data_size);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXBC_INVALID_SIZE,
"DXBC size %zu is smaller than the DXBC header size.", data_size);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
tag = read_u32(&ptr);
TRACE("tag: %#x.\n", tag);
if (tag != TAG_DXBC)
{
WARN("Wrong tag.\n");
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXBC_INVALID_MAGIC, "Invalid DXBC magic.");
return VKD3D_ERROR_INVALID_ARGUMENT;
}
checksum[0] = read_u32(&ptr);
checksum[1] = read_u32(&ptr);
checksum[2] = read_u32(&ptr);
checksum[3] = read_u32(&ptr);
vkd3d_compute_dxbc_checksum(data, data_size, calculated_checksum);
if (memcmp(checksum, calculated_checksum, sizeof(checksum)))
{
WARN("Checksum {0x%08x, 0x%08x, 0x%08x, 0x%08x} does not match "
"calculated checksum {0x%08x, 0x%08x, 0x%08x, 0x%08x}.\n",
checksum[0], checksum[1], checksum[2], checksum[3],
calculated_checksum[0], calculated_checksum[1],
calculated_checksum[2], calculated_checksum[3]);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXBC_INVALID_CHECKSUM,
"Invalid DXBC checksum.");
return VKD3D_ERROR_INVALID_ARGUMENT;
}
version = read_u32(&ptr);
TRACE("version: %#x.\n", version);
if (version != 0x00000001)
{
WARN("Got unexpected DXBC version %#x.\n", version);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXBC_INVALID_VERSION,
"DXBC version %#x is not supported.", version);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
total_size = read_u32(&ptr);
TRACE("total size: %#x\n", total_size);
chunk_count = read_u32(&ptr);
TRACE("chunk count: %#x\n", chunk_count);
if (!(sections = vkd3d_calloc(chunk_count, sizeof(*sections))))
{
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXBC_OUT_OF_MEMORY, "Out of memory.");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
for (i = 0; i < chunk_count; ++i)
{
uint32_t chunk_tag, chunk_size;
const char *chunk_ptr;
uint32_t chunk_offset;
chunk_offset = read_u32(&ptr);
TRACE("chunk %u at offset %#x\n", i, chunk_offset);
if (chunk_offset >= data_size || !require_space(chunk_offset, 2, sizeof(DWORD), data_size))
{
WARN("Invalid chunk offset %#x (data size %zu).\n", chunk_offset, data_size);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXBC_INVALID_CHUNK_OFFSET,
"DXBC chunk %u has invalid offset %#x (data size %#zx).", i, chunk_offset, data_size);
vkd3d_free(sections);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
chunk_ptr = data + chunk_offset;
chunk_tag = read_u32(&chunk_ptr);
chunk_size = read_u32(&chunk_ptr);
if (!require_space(chunk_ptr - data, 1, chunk_size, data_size))
{
WARN("Invalid chunk size %#x (data size %zu, chunk offset %#x).\n",
chunk_size, data_size, chunk_offset);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXBC_INVALID_CHUNK_SIZE,
"DXBC chunk %u has invalid size %#x (data size %#zx, chunk offset %#x).",
i, chunk_offset, data_size, chunk_offset);
vkd3d_free(sections);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
section = &sections[i];
section->tag = chunk_tag;
section->data.code = chunk_ptr;
section->data.size = chunk_size;
}
desc->tag = tag;
memcpy(desc->checksum, checksum, sizeof(checksum));
desc->version = version;
desc->size = total_size;
desc->section_count = chunk_count;
desc->sections = sections;
return VKD3D_OK;
}
void vkd3d_shader_free_dxbc(struct vkd3d_shader_dxbc_desc *dxbc)
{
TRACE("dxbc %p.\n", dxbc);
vkd3d_free(dxbc->sections);
}
static int for_each_dxbc_section(const struct vkd3d_shader_code *dxbc,
struct vkd3d_shader_message_context *message_context, const char *source_name,
int (*section_handler)(const struct vkd3d_shader_dxbc_section_desc *section,
struct vkd3d_shader_message_context *message_context, void *ctx), void *ctx)
{
struct vkd3d_shader_dxbc_desc desc;
unsigned int i;
int ret;
if ((ret = parse_dxbc(dxbc, message_context, source_name, &desc)) < 0)
return ret;
for (i = 0; i < desc.section_count; ++i)
{
if ((ret = section_handler(&desc.sections[i], message_context, ctx)) < 0)
break;
}
vkd3d_shader_free_dxbc(&desc);
return ret;
}
int vkd3d_shader_parse_dxbc(const struct vkd3d_shader_code *dxbc,
uint32_t flags, struct vkd3d_shader_dxbc_desc *desc, char **messages)
{
struct vkd3d_shader_message_context message_context;
int ret;
TRACE("dxbc {%p, %zu}, flags %#x, desc %p, messages %p.\n", dxbc->code, dxbc->size, flags, desc, messages);
if (messages)
*messages = NULL;
vkd3d_shader_message_context_init(&message_context, VKD3D_SHADER_LOG_INFO);
ret = parse_dxbc(dxbc, &message_context, NULL, desc);
vkd3d_shader_message_context_trace_messages(&message_context);
if (!vkd3d_shader_message_context_copy_messages(&message_context, messages) && ret >= 0)
{
vkd3d_shader_free_dxbc(desc);
ret = VKD3D_ERROR_OUT_OF_MEMORY;
}
vkd3d_shader_message_context_cleanup(&message_context);
if (ret < 0)
memset(desc, 0, sizeof(*desc));
return ret;
}
/* Shader Model 6 shaders use these special values in the output signature,
* but Shader Model 4/5 just use VKD3D_SHADER_SV_NONE. Normalize to SM6. */
static enum vkd3d_shader_sysval_semantic map_fragment_output_sysval(const char *name)
{
if (!ascii_strcasecmp(name, "sv_target"))
return VKD3D_SHADER_SV_TARGET;
if (!ascii_strcasecmp(name, "sv_depth"))
return VKD3D_SHADER_SV_DEPTH;
if (!ascii_strcasecmp(name, "sv_coverage"))
return VKD3D_SHADER_SV_COVERAGE;
if (!ascii_strcasecmp(name, "sv_depthgreaterequal"))
return VKD3D_SHADER_SV_DEPTH_GREATER_EQUAL;
if (!ascii_strcasecmp(name, "sv_depthlessequal"))
return VKD3D_SHADER_SV_DEPTH_LESS_EQUAL;
if (!ascii_strcasecmp(name, "sv_stencilref"))
return VKD3D_SHADER_SV_STENCIL_REF;
return VKD3D_SHADER_SV_NONE;
}
static int shader_parse_signature(const struct vkd3d_shader_dxbc_section_desc *section,
struct vkd3d_shader_message_context *message_context, struct shader_signature *s)
{
bool has_stream_index, has_min_precision;
const char *data = section->data.code;
uint32_t count, header_size;
struct signature_element *e;
const char *ptr = data;
unsigned int i;
if (!require_space(0, 2, sizeof(uint32_t), section->data.size))
{
WARN("Invalid data size %#zx.\n", section->data.size);
vkd3d_shader_error(message_context, NULL, VKD3D_SHADER_ERROR_DXBC_INVALID_SIGNATURE,
"Section size %zu is smaller than the minimum signature header size.\n", section->data.size);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
count = read_u32(&ptr);
TRACE("%u elements.\n", count);
header_size = read_u32(&ptr);
i = header_size / sizeof(uint32_t);
if (align(header_size, sizeof(uint32_t)) != header_size || i < 2
|| !require_space(2, i - 2, sizeof(uint32_t), section->data.size))
{
WARN("Invalid header size %#x.\n", header_size);
vkd3d_shader_error(message_context, NULL, VKD3D_SHADER_ERROR_DXBC_INVALID_SIGNATURE,
"Signature header size %#x is invalid.\n", header_size);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
skip_dword_unknown(&ptr, i - 2);
if (!require_space(ptr - data, count, 6 * sizeof(uint32_t), section->data.size))
{
WARN("Invalid count %#x (data size %#zx).\n", count, section->data.size);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
if (!(e = vkd3d_calloc(count, sizeof(*e))))
{
ERR("Failed to allocate input signature memory.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
has_min_precision = section->tag == TAG_OSG1 || section->tag == TAG_PSG1 || section->tag == TAG_ISG1;
has_stream_index = section->tag == TAG_OSG5 || has_min_precision;
for (i = 0; i < count; ++i)
{
uint32_t name_offset, mask;
e[i].sort_index = i;
if (has_stream_index)
e[i].stream_index = read_u32(&ptr);
else
e[i].stream_index = 0;
name_offset = read_u32(&ptr);
if (!(e[i].semantic_name = shader_get_string(data, section->data.size, name_offset)))
{
WARN("Invalid name offset %#x (data size %#zx).\n", name_offset, section->data.size);
vkd3d_free(e);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
e[i].semantic_index = read_u32(&ptr);
e[i].sysval_semantic = read_u32(&ptr);
e[i].component_type = read_u32(&ptr);
e[i].register_index = read_u32(&ptr);
e[i].target_location = e[i].register_index;
e[i].register_count = 1;
mask = read_u32(&ptr);
e[i].mask = mask & 0xff;
e[i].used_mask = (mask >> 8) & 0xff;
switch (section->tag)
{
case TAG_OSGN:
case TAG_OSG1:
case TAG_OSG5:
if (e[i].sysval_semantic == VKD3D_SHADER_SV_NONE)
e[i].sysval_semantic = map_fragment_output_sysval(e[i].semantic_name);
break;
}
if (has_min_precision)
e[i].min_precision = read_u32(&ptr);
else
e[i].min_precision = VKD3D_SHADER_MINIMUM_PRECISION_NONE;
e[i].interpolation_mode = VKD3DSIM_NONE;
TRACE("Stream: %u, semantic: %s, semantic idx: %u, sysval_semantic %#x, "
"type %u, register idx: %u, use_mask %#x, input_mask %#x, precision %u.\n",
e[i].stream_index, debugstr_a(e[i].semantic_name), e[i].semantic_index, e[i].sysval_semantic,
e[i].component_type, e[i].register_index, e[i].used_mask, e[i].mask, e[i].min_precision);
}
s->elements = e;
s->element_count = count;
return VKD3D_OK;
}
static int isgn_handler(const struct vkd3d_shader_dxbc_section_desc *section,
struct vkd3d_shader_message_context *message_context, void *ctx)
{
struct shader_signature *is = ctx;
if (section->tag != TAG_ISGN && section->tag != TAG_ISG1)
return VKD3D_OK;
if (is->elements)
{
FIXME("Multiple input signatures.\n");
shader_signature_cleanup(is);
}
return shader_parse_signature(section, message_context, is);
}
int shader_parse_input_signature(const struct vkd3d_shader_code *dxbc,
struct vkd3d_shader_message_context *message_context, struct shader_signature *signature)
{
int ret;
memset(signature, 0, sizeof(*signature));
if ((ret = for_each_dxbc_section(dxbc, message_context, NULL, isgn_handler, signature)) < 0)
ERR("Failed to parse input signature.\n");
return ret;
}
static int shdr_handler(const struct vkd3d_shader_dxbc_section_desc *section,
struct vkd3d_shader_message_context *message_context, void *context)
{
struct vkd3d_shader_desc *desc = context;
int ret;
switch (section->tag)
{
case TAG_ISGN:
case TAG_ISG1:
if (desc->input_signature.elements)
{
FIXME("Multiple input signatures.\n");
break;
}
if ((ret = shader_parse_signature(section, message_context, &desc->input_signature)) < 0)
return ret;
break;
case TAG_OSGN:
case TAG_OSG5:
case TAG_OSG1:
if (desc->output_signature.elements)
{
FIXME("Multiple output signatures.\n");
break;
}
if ((ret = shader_parse_signature(section, message_context, &desc->output_signature)) < 0)
return ret;
break;
case TAG_PCSG:
case TAG_PSG1:
if (desc->patch_constant_signature.elements)
{
FIXME("Multiple patch constant signatures.\n");
break;
}
if ((ret = shader_parse_signature(section, message_context, &desc->patch_constant_signature)) < 0)
return ret;
break;
case TAG_DXIL:
case TAG_SHDR:
case TAG_SHEX:
if ((section->tag == TAG_DXIL) != desc->is_dxil)
{
TRACE("Skipping chunk %#x.\n", section->tag);
break;
}
if (desc->byte_code)
FIXME("Multiple shader code chunks.\n");
desc->byte_code = section->data.code;
desc->byte_code_size = section->data.size;
break;
case TAG_AON9:
TRACE("Skipping AON9 shader code chunk.\n");
break;
default:
TRACE("Skipping chunk %#x.\n", section->tag);
break;
}
return VKD3D_OK;
}
void free_shader_desc(struct vkd3d_shader_desc *desc)
{
shader_signature_cleanup(&desc->input_signature);
shader_signature_cleanup(&desc->output_signature);
shader_signature_cleanup(&desc->patch_constant_signature);
}
int shader_extract_from_dxbc(const struct vkd3d_shader_code *dxbc,
struct vkd3d_shader_message_context *message_context, const char *source_name, struct vkd3d_shader_desc *desc)
{
int ret;
ret = for_each_dxbc_section(dxbc, message_context, source_name, shdr_handler, desc);
if (!desc->byte_code)
ret = VKD3D_ERROR_INVALID_ARGUMENT;
if (ret < 0)
{
WARN("Failed to parse shader, vkd3d result %d.\n", ret);
free_shader_desc(desc);
}
return ret;
}
/* root signatures */
#define VKD3D_ROOT_SIGNATURE_1_0_ROOT_DESCRIPTOR_FLAGS VKD3D_SHADER_ROOT_DESCRIPTOR_FLAG_DATA_VOLATILE
#define VKD3D_ROOT_SIGNATURE_1_0_DESCRIPTOR_RANGE_FLAGS \
(VKD3D_SHADER_DESCRIPTOR_RANGE_FLAG_DESCRIPTORS_VOLATILE | VKD3D_SHADER_DESCRIPTOR_RANGE_FLAG_DATA_VOLATILE)
struct root_signature_parser_context
{
const char *data;
unsigned int data_size;
};
static int shader_parse_descriptor_ranges(struct root_signature_parser_context *context,
unsigned int offset, unsigned int count, struct vkd3d_shader_descriptor_range *ranges)
{
const char *ptr;
unsigned int i;
if (!require_space(offset, 5 * count, sizeof(DWORD), context->data_size))
{
WARN("Invalid data size %#x (offset %u, count %u).\n", context->data_size, offset, count);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
for (i = 0; i < count; ++i)
{
ranges[i].range_type = read_u32(&ptr);
ranges[i].descriptor_count = read_u32(&ptr);
ranges[i].base_shader_register = read_u32(&ptr);
ranges[i].register_space = read_u32(&ptr);
ranges[i].descriptor_table_offset = read_u32(&ptr);
TRACE("Type %#x, descriptor count %u, base shader register %u, "
"register space %u, offset %u.\n",
ranges[i].range_type, ranges[i].descriptor_count,
ranges[i].base_shader_register, ranges[i].register_space,
ranges[i].descriptor_table_offset);
}
return VKD3D_OK;
}
static void shader_validate_descriptor_range1(const struct vkd3d_shader_descriptor_range1 *range)
{
unsigned int unknown_flags = range->flags & ~(VKD3D_SHADER_DESCRIPTOR_RANGE_FLAG_NONE
| VKD3D_SHADER_DESCRIPTOR_RANGE_FLAG_DESCRIPTORS_VOLATILE
| VKD3D_SHADER_DESCRIPTOR_RANGE_FLAG_DATA_VOLATILE
| VKD3D_SHADER_DESCRIPTOR_RANGE_FLAG_DATA_STATIC_WHILE_SET_AT_EXECUTE
| VKD3D_SHADER_DESCRIPTOR_RANGE_FLAG_DATA_STATIC);
if (unknown_flags)
FIXME("Unknown descriptor range flags %#x.\n", unknown_flags);
}
static int shader_parse_descriptor_ranges1(struct root_signature_parser_context *context,
unsigned int offset, unsigned int count, struct vkd3d_shader_descriptor_range1 *ranges)
{
const char *ptr;
unsigned int i;
if (!require_space(offset, 6 * count, sizeof(uint32_t), context->data_size))
{
WARN("Invalid data size %#x (offset %u, count %u).\n", context->data_size, offset, count);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
for (i = 0; i < count; ++i)
{
ranges[i].range_type = read_u32(&ptr);
ranges[i].descriptor_count = read_u32(&ptr);
ranges[i].base_shader_register = read_u32(&ptr);
ranges[i].register_space = read_u32(&ptr);
ranges[i].flags = read_u32(&ptr);
ranges[i].descriptor_table_offset = read_u32(&ptr);
TRACE("Type %#x, descriptor count %u, base shader register %u, "
"register space %u, flags %#x, offset %u.\n",
ranges[i].range_type, ranges[i].descriptor_count,
ranges[i].base_shader_register, ranges[i].register_space,
ranges[i].flags, ranges[i].descriptor_table_offset);
shader_validate_descriptor_range1(&ranges[i]);
}
return VKD3D_OK;
}
static int shader_parse_descriptor_table(struct root_signature_parser_context *context,
unsigned int offset, struct vkd3d_shader_root_descriptor_table *table)
{
struct vkd3d_shader_descriptor_range *ranges;
unsigned int count;
const char *ptr;
if (!require_space(offset, 2, sizeof(DWORD), context->data_size))
{
WARN("Invalid data size %#x (offset %u).\n", context->data_size, offset);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
count = read_u32(&ptr);
offset = read_u32(&ptr);
TRACE("Descriptor range count %u.\n", count);
table->descriptor_range_count = count;
if (!(ranges = vkd3d_calloc(count, sizeof(*ranges))))
return VKD3D_ERROR_OUT_OF_MEMORY;
table->descriptor_ranges = ranges;
return shader_parse_descriptor_ranges(context, offset, count, ranges);
}
static int shader_parse_descriptor_table1(struct root_signature_parser_context *context,
unsigned int offset, struct vkd3d_shader_root_descriptor_table1 *table)
{
struct vkd3d_shader_descriptor_range1 *ranges;
unsigned int count;
const char *ptr;
if (!require_space(offset, 2, sizeof(DWORD), context->data_size))
{
WARN("Invalid data size %#x (offset %u).\n", context->data_size, offset);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
count = read_u32(&ptr);
offset = read_u32(&ptr);
TRACE("Descriptor range count %u.\n", count);
table->descriptor_range_count = count;
if (!(ranges = vkd3d_calloc(count, sizeof(*ranges))))
return VKD3D_ERROR_OUT_OF_MEMORY;
table->descriptor_ranges = ranges;
return shader_parse_descriptor_ranges1(context, offset, count, ranges);
}
static int shader_parse_root_constants(struct root_signature_parser_context *context,
unsigned int offset, struct vkd3d_shader_root_constants *constants)
{
const char *ptr;
if (!require_space(offset, 3, sizeof(DWORD), context->data_size))
{
WARN("Invalid data size %#x (offset %u).\n", context->data_size, offset);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
constants->shader_register = read_u32(&ptr);
constants->register_space = read_u32(&ptr);
constants->value_count = read_u32(&ptr);
TRACE("Shader register %u, register space %u, 32-bit value count %u.\n",
constants->shader_register, constants->register_space, constants->value_count);
return VKD3D_OK;
}
static int shader_parse_root_descriptor(struct root_signature_parser_context *context,
unsigned int offset, struct vkd3d_shader_root_descriptor *descriptor)
{
const char *ptr;
if (!require_space(offset, 2, sizeof(DWORD), context->data_size))
{
WARN("Invalid data size %#x (offset %u).\n", context->data_size, offset);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
descriptor->shader_register = read_u32(&ptr);
descriptor->register_space = read_u32(&ptr);
TRACE("Shader register %u, register space %u.\n",
descriptor->shader_register, descriptor->register_space);
return VKD3D_OK;
}
static void shader_validate_root_descriptor1(const struct vkd3d_shader_root_descriptor1 *descriptor)
{
unsigned int unknown_flags = descriptor->flags & ~(VKD3D_SHADER_ROOT_DESCRIPTOR_FLAG_NONE
| VKD3D_SHADER_ROOT_DESCRIPTOR_FLAG_DATA_VOLATILE
| VKD3D_SHADER_ROOT_DESCRIPTOR_FLAG_DATA_STATIC_WHILE_SET_AT_EXECUTE
| VKD3D_SHADER_ROOT_DESCRIPTOR_FLAG_DATA_STATIC);
if (unknown_flags)
FIXME("Unknown root descriptor flags %#x.\n", unknown_flags);
}
static int shader_parse_root_descriptor1(struct root_signature_parser_context *context,
unsigned int offset, struct vkd3d_shader_root_descriptor1 *descriptor)
{
const char *ptr;
if (!require_space(offset, 3, sizeof(DWORD), context->data_size))
{
WARN("Invalid data size %#x (offset %u).\n", context->data_size, offset);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
descriptor->shader_register = read_u32(&ptr);
descriptor->register_space = read_u32(&ptr);
descriptor->flags = read_u32(&ptr);
TRACE("Shader register %u, register space %u, flags %#x.\n",
descriptor->shader_register, descriptor->register_space, descriptor->flags);
shader_validate_root_descriptor1(descriptor);
return VKD3D_OK;
}
static int shader_parse_root_parameters(struct root_signature_parser_context *context,
unsigned int offset, unsigned int count, struct vkd3d_shader_root_parameter *parameters)
{
const char *ptr;
unsigned int i;
int ret;
if (!require_space(offset, 3 * count, sizeof(DWORD), context->data_size))
{
WARN("Invalid data size %#x (offset %u, count %u).\n", context->data_size, offset, count);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
for (i = 0; i < count; ++i)
{
parameters[i].parameter_type = read_u32(&ptr);
parameters[i].shader_visibility = read_u32(&ptr);
offset = read_u32(&ptr);
TRACE("Type %#x, shader visibility %#x.\n",
parameters[i].parameter_type, parameters[i].shader_visibility);
switch (parameters[i].parameter_type)
{
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE:
ret = shader_parse_descriptor_table(context, offset, &parameters[i].u.descriptor_table);
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS:
ret = shader_parse_root_constants(context, offset, &parameters[i].u.constants);
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_CBV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_SRV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_UAV:
ret = shader_parse_root_descriptor(context, offset, &parameters[i].u.descriptor);
break;
default:
FIXME("Unrecognized type %#x.\n", parameters[i].parameter_type);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
if (ret < 0)
return ret;
}
return VKD3D_OK;
}
static int shader_parse_root_parameters1(struct root_signature_parser_context *context,
uint32_t offset, DWORD count, struct vkd3d_shader_root_parameter1 *parameters)
{
const char *ptr;
unsigned int i;
int ret;
if (!require_space(offset, 3 * count, sizeof(DWORD), context->data_size))
{
WARN("Invalid data size %#x (offset %u, count %u).\n", context->data_size, offset, count);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
for (i = 0; i < count; ++i)
{
parameters[i].parameter_type = read_u32(&ptr);
parameters[i].shader_visibility = read_u32(&ptr);
offset = read_u32(&ptr);
TRACE("Type %#x, shader visibility %#x.\n",
parameters[i].parameter_type, parameters[i].shader_visibility);
switch (parameters[i].parameter_type)
{
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE:
ret = shader_parse_descriptor_table1(context, offset, &parameters[i].u.descriptor_table);
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS:
ret = shader_parse_root_constants(context, offset, &parameters[i].u.constants);
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_CBV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_SRV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_UAV:
ret = shader_parse_root_descriptor1(context, offset, &parameters[i].u.descriptor);
break;
default:
FIXME("Unrecognized type %#x.\n", parameters[i].parameter_type);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
if (ret < 0)
return ret;
}
return VKD3D_OK;
}
static int shader_parse_static_samplers(struct root_signature_parser_context *context,
unsigned int offset, unsigned int count, struct vkd3d_shader_static_sampler_desc *sampler_descs)
{
const char *ptr;
unsigned int i;
if (!require_space(offset, 13 * count, sizeof(DWORD), context->data_size))
{
WARN("Invalid data size %#x (offset %u, count %u).\n", context->data_size, offset, count);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
ptr = &context->data[offset];
for (i = 0; i < count; ++i)
{
sampler_descs[i].filter = read_u32(&ptr);
sampler_descs[i].address_u = read_u32(&ptr);
sampler_descs[i].address_v = read_u32(&ptr);
sampler_descs[i].address_w = read_u32(&ptr);
sampler_descs[i].mip_lod_bias = read_float(&ptr);
sampler_descs[i].max_anisotropy = read_u32(&ptr);
sampler_descs[i].comparison_func = read_u32(&ptr);
sampler_descs[i].border_colour = read_u32(&ptr);
sampler_descs[i].min_lod = read_float(&ptr);
sampler_descs[i].max_lod = read_float(&ptr);
sampler_descs[i].shader_register = read_u32(&ptr);
sampler_descs[i].register_space = read_u32(&ptr);
sampler_descs[i].shader_visibility = read_u32(&ptr);
}
return VKD3D_OK;
}
static int shader_parse_root_signature(const struct vkd3d_shader_code *data,
struct vkd3d_shader_versioned_root_signature_desc *desc)
{
struct vkd3d_shader_root_signature_desc *v_1_0 = &desc->u.v_1_0;
struct root_signature_parser_context context;
unsigned int count, offset, version;
const char *ptr = data->code;
int ret;
context.data = data->code;
context.data_size = data->size;
if (!require_space(0, 6, sizeof(uint32_t), data->size))
{
WARN("Invalid data size %#zx.\n", data->size);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
version = read_u32(&ptr);
TRACE("Version %#x.\n", version);
if (version != VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0 && version != VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_1)
{
FIXME("Unknown version %#x.\n", version);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
desc->version = version;
count = read_u32(&ptr);
offset = read_u32(&ptr);
TRACE("Parameter count %u, offset %u.\n", count, offset);
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
{
v_1_0->parameter_count = count;
if (v_1_0->parameter_count)
{
struct vkd3d_shader_root_parameter *parameters;
if (!(parameters = vkd3d_calloc(v_1_0->parameter_count, sizeof(*parameters))))
return VKD3D_ERROR_OUT_OF_MEMORY;
v_1_0->parameters = parameters;
if ((ret = shader_parse_root_parameters(&context, offset, count, parameters)) < 0)
return ret;
}
}
else
{
struct vkd3d_shader_root_signature_desc1 *v_1_1 = &desc->u.v_1_1;
assert(version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_1);
v_1_1->parameter_count = count;
if (v_1_1->parameter_count)
{
struct vkd3d_shader_root_parameter1 *parameters;
if (!(parameters = vkd3d_calloc(v_1_1->parameter_count, sizeof(*parameters))))
return VKD3D_ERROR_OUT_OF_MEMORY;
v_1_1->parameters = parameters;
if ((ret = shader_parse_root_parameters1(&context, offset, count, parameters)) < 0)
return ret;
}
}
count = read_u32(&ptr);
offset = read_u32(&ptr);
TRACE("Static sampler count %u, offset %u.\n", count, offset);
v_1_0->static_sampler_count = count;
if (v_1_0->static_sampler_count)
{
struct vkd3d_shader_static_sampler_desc *samplers;
if (!(samplers = vkd3d_calloc(v_1_0->static_sampler_count, sizeof(*samplers))))
return VKD3D_ERROR_OUT_OF_MEMORY;
v_1_0->static_samplers = samplers;
if ((ret = shader_parse_static_samplers(&context, offset, count, samplers)) < 0)
return ret;
}
v_1_0->flags = read_u32(&ptr);
TRACE("Flags %#x.\n", v_1_0->flags);
return VKD3D_OK;
}
static int rts0_handler(const struct vkd3d_shader_dxbc_section_desc *section,
struct vkd3d_shader_message_context *message_context, void *context)
{
struct vkd3d_shader_versioned_root_signature_desc *desc = context;
if (section->tag != TAG_RTS0)
return VKD3D_OK;
return shader_parse_root_signature(&section->data, desc);
}
int vkd3d_shader_parse_root_signature(const struct vkd3d_shader_code *dxbc,
struct vkd3d_shader_versioned_root_signature_desc *root_signature, char **messages)
{
struct vkd3d_shader_message_context message_context;
int ret;
TRACE("dxbc {%p, %zu}, root_signature %p, messages %p.\n", dxbc->code, dxbc->size, root_signature, messages);
memset(root_signature, 0, sizeof(*root_signature));
if (messages)
*messages = NULL;
vkd3d_shader_message_context_init(&message_context, VKD3D_SHADER_LOG_INFO);
ret = for_each_dxbc_section(dxbc, &message_context, NULL, rts0_handler, root_signature);
vkd3d_shader_message_context_trace_messages(&message_context);
if (!vkd3d_shader_message_context_copy_messages(&message_context, messages))
ret = VKD3D_ERROR_OUT_OF_MEMORY;
vkd3d_shader_message_context_cleanup(&message_context);
if (ret < 0)
vkd3d_shader_free_root_signature(root_signature);
return ret;
}
static unsigned int versioned_root_signature_get_parameter_count(
const struct vkd3d_shader_versioned_root_signature_desc *desc)
{
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
return desc->u.v_1_0.parameter_count;
else
return desc->u.v_1_1.parameter_count;
}
static enum vkd3d_shader_root_parameter_type versioned_root_signature_get_parameter_type(
const struct vkd3d_shader_versioned_root_signature_desc *desc, unsigned int i)
{
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
return desc->u.v_1_0.parameters[i].parameter_type;
else
return desc->u.v_1_1.parameters[i].parameter_type;
}
static enum vkd3d_shader_visibility versioned_root_signature_get_parameter_shader_visibility(
const struct vkd3d_shader_versioned_root_signature_desc *desc, unsigned int i)
{
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
return desc->u.v_1_0.parameters[i].shader_visibility;
else
return desc->u.v_1_1.parameters[i].shader_visibility;
}
static const struct vkd3d_shader_root_constants *versioned_root_signature_get_root_constants(
const struct vkd3d_shader_versioned_root_signature_desc *desc, unsigned int i)
{
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
return &desc->u.v_1_0.parameters[i].u.constants;
else
return &desc->u.v_1_1.parameters[i].u.constants;
}
static unsigned int versioned_root_signature_get_static_sampler_count(
const struct vkd3d_shader_versioned_root_signature_desc *desc)
{
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
return desc->u.v_1_0.static_sampler_count;
else
return desc->u.v_1_1.static_sampler_count;
}
static const struct vkd3d_shader_static_sampler_desc *versioned_root_signature_get_static_samplers(
const struct vkd3d_shader_versioned_root_signature_desc *desc)
{
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
return desc->u.v_1_0.static_samplers;
else
return desc->u.v_1_1.static_samplers;
}
static unsigned int versioned_root_signature_get_flags(const struct vkd3d_shader_versioned_root_signature_desc *desc)
{
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
return desc->u.v_1_0.flags;
else
return desc->u.v_1_1.flags;
}
struct root_signature_writer_context
{
struct vkd3d_shader_message_context message_context;
struct vkd3d_bytecode_buffer buffer;
size_t total_size_position;
size_t chunk_position;
};
static size_t get_chunk_offset(struct root_signature_writer_context *context)
{
return bytecode_get_size(&context->buffer) - context->chunk_position;
}
static void shader_write_root_signature_header(struct root_signature_writer_context *context)
{
struct vkd3d_bytecode_buffer *buffer = &context->buffer;
unsigned int i;
put_u32(buffer, TAG_DXBC);
/* The checksum is computed when all data is generated. */
for (i = 0; i < 4; ++i)
put_u32(buffer, 0);
put_u32(buffer, 1);
context->total_size_position = put_u32(buffer, 0xffffffff);
put_u32(buffer, 1); /* chunk count */
put_u32(buffer, bytecode_get_size(buffer) + sizeof(uint32_t)); /* chunk offset */
put_u32(buffer, TAG_RTS0);
put_u32(buffer, 0xffffffff);
context->chunk_position = bytecode_get_size(buffer);
}
static void shader_write_descriptor_ranges(struct vkd3d_bytecode_buffer *buffer,
const struct vkd3d_shader_root_descriptor_table *table)
{
const struct vkd3d_shader_descriptor_range *ranges = table->descriptor_ranges;
unsigned int i;
for (i = 0; i < table->descriptor_range_count; ++i)
{
put_u32(buffer, ranges[i].range_type);
put_u32(buffer, ranges[i].descriptor_count);
put_u32(buffer, ranges[i].base_shader_register);
put_u32(buffer, ranges[i].register_space);
put_u32(buffer, ranges[i].descriptor_table_offset);
}
}
static void shader_write_descriptor_ranges1(struct vkd3d_bytecode_buffer *buffer,
const struct vkd3d_shader_root_descriptor_table1 *table)
{
const struct vkd3d_shader_descriptor_range1 *ranges = table->descriptor_ranges;
unsigned int i;
for (i = 0; i < table->descriptor_range_count; ++i)
{
put_u32(buffer, ranges[i].range_type);
put_u32(buffer, ranges[i].descriptor_count);
put_u32(buffer, ranges[i].base_shader_register);
put_u32(buffer, ranges[i].register_space);
put_u32(buffer, ranges[i].flags);
put_u32(buffer, ranges[i].descriptor_table_offset);
}
}
static void shader_write_descriptor_table(struct root_signature_writer_context *context,
const struct vkd3d_shader_root_descriptor_table *table)
{
struct vkd3d_bytecode_buffer *buffer = &context->buffer;
put_u32(buffer, table->descriptor_range_count);
put_u32(buffer, get_chunk_offset(context) + sizeof(uint32_t)); /* offset */
shader_write_descriptor_ranges(buffer, table);
}
static void shader_write_descriptor_table1(struct root_signature_writer_context *context,
const struct vkd3d_shader_root_descriptor_table1 *table)
{
struct vkd3d_bytecode_buffer *buffer = &context->buffer;
put_u32(buffer, table->descriptor_range_count);
put_u32(buffer, get_chunk_offset(context) + sizeof(uint32_t)); /* offset */
shader_write_descriptor_ranges1(buffer, table);
}
static void shader_write_root_constants(struct vkd3d_bytecode_buffer *buffer,
const struct vkd3d_shader_root_constants *constants)
{
put_u32(buffer, constants->shader_register);
put_u32(buffer, constants->register_space);
put_u32(buffer, constants->value_count);
}
static void shader_write_root_descriptor(struct vkd3d_bytecode_buffer *buffer,
const struct vkd3d_shader_root_descriptor *descriptor)
{
put_u32(buffer, descriptor->shader_register);
put_u32(buffer, descriptor->register_space);
}
static void shader_write_root_descriptor1(struct vkd3d_bytecode_buffer *buffer,
const struct vkd3d_shader_root_descriptor1 *descriptor)
{
put_u32(buffer, descriptor->shader_register);
put_u32(buffer, descriptor->register_space);
put_u32(buffer, descriptor->flags);
}
static int shader_write_root_parameters(struct root_signature_writer_context *context,
const struct vkd3d_shader_versioned_root_signature_desc *desc)
{
unsigned int parameter_count = versioned_root_signature_get_parameter_count(desc);
struct vkd3d_bytecode_buffer *buffer = &context->buffer;
size_t parameters_position;
unsigned int i;
parameters_position = bytecode_align(buffer);
for (i = 0; i < parameter_count; ++i)
{
put_u32(buffer, versioned_root_signature_get_parameter_type(desc, i));
put_u32(buffer, versioned_root_signature_get_parameter_shader_visibility(desc, i));
put_u32(buffer, 0xffffffff); /* offset */
}
for (i = 0; i < parameter_count; ++i)
{
set_u32(buffer, parameters_position + ((3 * i + 2) * sizeof(uint32_t)), get_chunk_offset(context));
switch (versioned_root_signature_get_parameter_type(desc, i))
{
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE:
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
shader_write_descriptor_table(context, &desc->u.v_1_0.parameters[i].u.descriptor_table);
else
shader_write_descriptor_table1(context, &desc->u.v_1_1.parameters[i].u.descriptor_table);
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS:
shader_write_root_constants(buffer, versioned_root_signature_get_root_constants(desc, i));
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_CBV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_SRV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_UAV:
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
shader_write_root_descriptor(buffer, &desc->u.v_1_0.parameters[i].u.descriptor);
else
shader_write_root_descriptor1(buffer, &desc->u.v_1_1.parameters[i].u.descriptor);
break;
default:
FIXME("Unrecognized type %#x.\n", versioned_root_signature_get_parameter_type(desc, i));
vkd3d_shader_error(&context->message_context, NULL, VKD3D_SHADER_ERROR_RS_INVALID_ROOT_PARAMETER_TYPE,
"Invalid/unrecognised root signature root parameter type %#x.",
versioned_root_signature_get_parameter_type(desc, i));
return VKD3D_ERROR_INVALID_ARGUMENT;
}
}
return VKD3D_OK;
}
static void shader_write_static_samplers(struct vkd3d_bytecode_buffer *buffer,
const struct vkd3d_shader_versioned_root_signature_desc *desc)
{
const struct vkd3d_shader_static_sampler_desc *samplers = versioned_root_signature_get_static_samplers(desc);
unsigned int i;
for (i = 0; i < versioned_root_signature_get_static_sampler_count(desc); ++i)
{
put_u32(buffer, samplers[i].filter);
put_u32(buffer, samplers[i].address_u);
put_u32(buffer, samplers[i].address_v);
put_u32(buffer, samplers[i].address_w);
put_f32(buffer, samplers[i].mip_lod_bias);
put_u32(buffer, samplers[i].max_anisotropy);
put_u32(buffer, samplers[i].comparison_func);
put_u32(buffer, samplers[i].border_colour);
put_f32(buffer, samplers[i].min_lod);
put_f32(buffer, samplers[i].max_lod);
put_u32(buffer, samplers[i].shader_register);
put_u32(buffer, samplers[i].register_space);
put_u32(buffer, samplers[i].shader_visibility);
}
}
static int shader_write_root_signature(struct root_signature_writer_context *context,
const struct vkd3d_shader_versioned_root_signature_desc *desc)
{
struct vkd3d_bytecode_buffer *buffer = &context->buffer;
size_t samplers_offset_position;
int ret;
put_u32(buffer, desc->version);
put_u32(buffer, versioned_root_signature_get_parameter_count(desc));
put_u32(buffer, get_chunk_offset(context) + 4 * sizeof(uint32_t)); /* offset */
put_u32(buffer, versioned_root_signature_get_static_sampler_count(desc));
samplers_offset_position = put_u32(buffer, 0xffffffff);
put_u32(buffer, versioned_root_signature_get_flags(desc));
if ((ret = shader_write_root_parameters(context, desc)) < 0)
return ret;
set_u32(buffer, samplers_offset_position, get_chunk_offset(context));
shader_write_static_samplers(buffer, desc);
return 0;
}
static int validate_descriptor_table_v_1_0(const struct vkd3d_shader_root_descriptor_table *descriptor_table,
struct vkd3d_shader_message_context *message_context)
{
bool have_srv_uav_cbv = false;
bool have_sampler = false;
unsigned int i;
for (i = 0; i < descriptor_table->descriptor_range_count; ++i)
{
const struct vkd3d_shader_descriptor_range *r = &descriptor_table->descriptor_ranges[i];
if (r->range_type == VKD3D_SHADER_DESCRIPTOR_TYPE_SRV
|| r->range_type == VKD3D_SHADER_DESCRIPTOR_TYPE_UAV
|| r->range_type == VKD3D_SHADER_DESCRIPTOR_TYPE_CBV)
{
have_srv_uav_cbv = true;
}
else if (r->range_type == VKD3D_SHADER_DESCRIPTOR_TYPE_SAMPLER)
{
have_sampler = true;
}
else
{
WARN("Invalid descriptor range type %#x.\n", r->range_type);
vkd3d_shader_error(message_context, NULL, VKD3D_SHADER_ERROR_RS_INVALID_DESCRIPTOR_RANGE_TYPE,
"Invalid root signature descriptor range type %#x.", r->range_type);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
}
if (have_srv_uav_cbv && have_sampler)
{
WARN("Samplers cannot be mixed with CBVs/SRVs/UAVs in descriptor tables.\n");
vkd3d_shader_error(message_context, NULL, VKD3D_SHADER_ERROR_RS_MIXED_DESCRIPTOR_RANGE_TYPES,
"Encountered both CBV/SRV/UAV and sampler descriptor ranges in the same root descriptor table.");
return VKD3D_ERROR_INVALID_ARGUMENT;
}
return VKD3D_OK;
}
static int validate_descriptor_table_v_1_1(const struct vkd3d_shader_root_descriptor_table1 *descriptor_table,
struct vkd3d_shader_message_context *message_context)
{
bool have_srv_uav_cbv = false;
bool have_sampler = false;
unsigned int i;
for (i = 0; i < descriptor_table->descriptor_range_count; ++i)
{
const struct vkd3d_shader_descriptor_range1 *r = &descriptor_table->descriptor_ranges[i];
if (r->range_type == VKD3D_SHADER_DESCRIPTOR_TYPE_SRV
|| r->range_type == VKD3D_SHADER_DESCRIPTOR_TYPE_UAV
|| r->range_type == VKD3D_SHADER_DESCRIPTOR_TYPE_CBV)
{
have_srv_uav_cbv = true;
}
else if (r->range_type == VKD3D_SHADER_DESCRIPTOR_TYPE_SAMPLER)
{
have_sampler = true;
}
else
{
WARN("Invalid descriptor range type %#x.\n", r->range_type);
vkd3d_shader_error(message_context, NULL, VKD3D_SHADER_ERROR_RS_INVALID_DESCRIPTOR_RANGE_TYPE,
"Invalid root signature descriptor range type %#x.", r->range_type);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
}
if (have_srv_uav_cbv && have_sampler)
{
WARN("Samplers cannot be mixed with CBVs/SRVs/UAVs in descriptor tables.\n");
vkd3d_shader_error(message_context, NULL, VKD3D_SHADER_ERROR_RS_MIXED_DESCRIPTOR_RANGE_TYPES,
"Encountered both CBV/SRV/UAV and sampler descriptor ranges in the same root descriptor table.");
return VKD3D_ERROR_INVALID_ARGUMENT;
}
return VKD3D_OK;
}
static int validate_root_signature_desc(const struct vkd3d_shader_versioned_root_signature_desc *desc,
struct vkd3d_shader_message_context *message_context)
{
int ret = VKD3D_OK;
unsigned int i;
for (i = 0; i < versioned_root_signature_get_parameter_count(desc); ++i)
{
enum vkd3d_shader_root_parameter_type type;
type = versioned_root_signature_get_parameter_type(desc, i);
if (type == VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE)
{
if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
ret = validate_descriptor_table_v_1_0(&desc->u.v_1_0.parameters[i].u.descriptor_table, message_context);
else
ret = validate_descriptor_table_v_1_1(&desc->u.v_1_1.parameters[i].u.descriptor_table, message_context);
}
if (ret < 0)
break;
}
return ret;
}
int vkd3d_shader_serialize_root_signature(const struct vkd3d_shader_versioned_root_signature_desc *root_signature,
struct vkd3d_shader_code *dxbc, char **messages)
{
struct root_signature_writer_context context;
size_t total_size, chunk_size;
uint32_t checksum[4];
unsigned int i;
int ret;
TRACE("root_signature %p, dxbc %p, messages %p.\n", root_signature, dxbc, messages);
if (messages)
*messages = NULL;
memset(&context, 0, sizeof(context));
vkd3d_shader_message_context_init(&context.message_context, VKD3D_SHADER_LOG_INFO);
if (root_signature->version != VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0
&& root_signature->version != VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_1)
{
ret = VKD3D_ERROR_INVALID_ARGUMENT;
WARN("Root signature version %#x not supported.\n", root_signature->version);
vkd3d_shader_error(&context.message_context, NULL, VKD3D_SHADER_ERROR_RS_INVALID_VERSION,
"Root signature version %#x is not supported.", root_signature->version);
goto done;
}
if ((ret = validate_root_signature_desc(root_signature, &context.message_context)) < 0)
goto done;
memset(dxbc, 0, sizeof(*dxbc));
shader_write_root_signature_header(&context);
if ((ret = shader_write_root_signature(&context, root_signature)) < 0)
{
vkd3d_free(context.buffer.data);
goto done;
}
if (context.buffer.status)
{
vkd3d_shader_error(&context.message_context, NULL, VKD3D_SHADER_ERROR_RS_OUT_OF_MEMORY,
"Out of memory while writing root signature.");
vkd3d_free(context.buffer.data);
goto done;
}
total_size = bytecode_get_size(&context.buffer);
chunk_size = get_chunk_offset(&context);
set_u32(&context.buffer, context.total_size_position, total_size);
set_u32(&context.buffer, context.chunk_position - sizeof(uint32_t), chunk_size);
dxbc->code = context.buffer.data;
dxbc->size = total_size;
vkd3d_compute_dxbc_checksum(dxbc->code, dxbc->size, checksum);
for (i = 0; i < 4; ++i)
set_u32(&context.buffer, (i + 1) * sizeof(uint32_t), checksum[i]);
ret = VKD3D_OK;
done:
vkd3d_shader_message_context_trace_messages(&context.message_context);
if (!vkd3d_shader_message_context_copy_messages(&context.message_context, messages))
ret = VKD3D_ERROR_OUT_OF_MEMORY;
vkd3d_shader_message_context_cleanup(&context.message_context);
return ret;
}
static void free_descriptor_ranges(const struct vkd3d_shader_root_parameter *parameters, unsigned int count)
{
unsigned int i;
if (!parameters)
return;
for (i = 0; i < count; ++i)
{
const struct vkd3d_shader_root_parameter *p = &parameters[i];
if (p->parameter_type == VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE)
vkd3d_free((void *)p->u.descriptor_table.descriptor_ranges);
}
}
static int convert_root_parameters_to_v_1_0(struct vkd3d_shader_root_parameter *dst,
const struct vkd3d_shader_root_parameter1 *src, unsigned int count)
{
const struct vkd3d_shader_descriptor_range1 *ranges1;
struct vkd3d_shader_descriptor_range *ranges;
unsigned int i, j;
int ret;
for (i = 0; i < count; ++i)
{
const struct vkd3d_shader_root_parameter1 *p1 = &src[i];
struct vkd3d_shader_root_parameter *p = &dst[i];
p->parameter_type = p1->parameter_type;
switch (p->parameter_type)
{
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE:
ranges = NULL;
if ((p->u.descriptor_table.descriptor_range_count = p1->u.descriptor_table.descriptor_range_count))
{
if (!(ranges = vkd3d_calloc(p->u.descriptor_table.descriptor_range_count, sizeof(*ranges))))
{
ret = VKD3D_ERROR_OUT_OF_MEMORY;
goto fail;
}
}
p->u.descriptor_table.descriptor_ranges = ranges;
ranges1 = p1->u.descriptor_table.descriptor_ranges;
for (j = 0; j < p->u.descriptor_table.descriptor_range_count; ++j)
{
ranges[j].range_type = ranges1[j].range_type;
ranges[j].descriptor_count = ranges1[j].descriptor_count;
ranges[j].base_shader_register = ranges1[j].base_shader_register;
ranges[j].register_space = ranges1[j].register_space;
ranges[j].descriptor_table_offset = ranges1[j].descriptor_table_offset;
}
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS:
p->u.constants = p1->u.constants;
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_CBV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_SRV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_UAV:
p->u.descriptor.shader_register = p1->u.descriptor.shader_register;
p->u.descriptor.register_space = p1->u.descriptor.register_space;
break;
default:
WARN("Invalid root parameter type %#x.\n", p->parameter_type);
ret = VKD3D_ERROR_INVALID_ARGUMENT;
goto fail;
}
p->shader_visibility = p1->shader_visibility;
}
return VKD3D_OK;
fail:
free_descriptor_ranges(dst, i);
return ret;
}
static int convert_root_signature_to_v1_0(struct vkd3d_shader_versioned_root_signature_desc *dst,
const struct vkd3d_shader_versioned_root_signature_desc *src)
{
const struct vkd3d_shader_root_signature_desc1 *src_desc = &src->u.v_1_1;
struct vkd3d_shader_root_signature_desc *dst_desc = &dst->u.v_1_0;
struct vkd3d_shader_static_sampler_desc *samplers = NULL;
struct vkd3d_shader_root_parameter *parameters = NULL;
int ret;
if ((dst_desc->parameter_count = src_desc->parameter_count))
{
if (!(parameters = vkd3d_calloc(dst_desc->parameter_count, sizeof(*parameters))))
{
ret = VKD3D_ERROR_OUT_OF_MEMORY;
goto fail;
}
if ((ret = convert_root_parameters_to_v_1_0(parameters, src_desc->parameters, src_desc->parameter_count)) < 0)
goto fail;
}
dst_desc->parameters = parameters;
if ((dst_desc->static_sampler_count = src_desc->static_sampler_count))
{
if (!(samplers = vkd3d_calloc(dst_desc->static_sampler_count, sizeof(*samplers))))
{
ret = VKD3D_ERROR_OUT_OF_MEMORY;
goto fail;
}
memcpy(samplers, src_desc->static_samplers, src_desc->static_sampler_count * sizeof(*samplers));
}
dst_desc->static_samplers = samplers;
dst_desc->flags = src_desc->flags;
return VKD3D_OK;
fail:
free_descriptor_ranges(parameters, dst_desc->parameter_count);
vkd3d_free(parameters);
vkd3d_free(samplers);
return ret;
}
static void free_descriptor_ranges1(const struct vkd3d_shader_root_parameter1 *parameters, unsigned int count)
{
unsigned int i;
if (!parameters)
return;
for (i = 0; i < count; ++i)
{
const struct vkd3d_shader_root_parameter1 *p = &parameters[i];
if (p->parameter_type == VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE)
vkd3d_free((void *)p->u.descriptor_table.descriptor_ranges);
}
}
static int convert_root_parameters_to_v_1_1(struct vkd3d_shader_root_parameter1 *dst,
const struct vkd3d_shader_root_parameter *src, unsigned int count)
{
const struct vkd3d_shader_descriptor_range *ranges;
struct vkd3d_shader_descriptor_range1 *ranges1;
unsigned int i, j;
int ret;
for (i = 0; i < count; ++i)
{
const struct vkd3d_shader_root_parameter *p = &src[i];
struct vkd3d_shader_root_parameter1 *p1 = &dst[i];
p1->parameter_type = p->parameter_type;
switch (p1->parameter_type)
{
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE:
ranges1 = NULL;
if ((p1->u.descriptor_table.descriptor_range_count = p->u.descriptor_table.descriptor_range_count))
{
if (!(ranges1 = vkd3d_calloc(p1->u.descriptor_table.descriptor_range_count, sizeof(*ranges1))))
{
ret = VKD3D_ERROR_OUT_OF_MEMORY;
goto fail;
}
}
p1->u.descriptor_table.descriptor_ranges = ranges1;
ranges = p->u.descriptor_table.descriptor_ranges;
for (j = 0; j < p1->u.descriptor_table.descriptor_range_count; ++j)
{
ranges1[j].range_type = ranges[j].range_type;
ranges1[j].descriptor_count = ranges[j].descriptor_count;
ranges1[j].base_shader_register = ranges[j].base_shader_register;
ranges1[j].register_space = ranges[j].register_space;
ranges1[j].flags = VKD3D_ROOT_SIGNATURE_1_0_DESCRIPTOR_RANGE_FLAGS;
ranges1[j].descriptor_table_offset = ranges[j].descriptor_table_offset;
}
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS:
p1->u.constants = p->u.constants;
break;
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_CBV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_SRV:
case VKD3D_SHADER_ROOT_PARAMETER_TYPE_UAV:
p1->u.descriptor.shader_register = p->u.descriptor.shader_register;
p1->u.descriptor.register_space = p->u.descriptor.register_space;
p1->u.descriptor.flags = VKD3D_ROOT_SIGNATURE_1_0_ROOT_DESCRIPTOR_FLAGS;
break;
default:
WARN("Invalid root parameter type %#x.\n", p1->parameter_type);
ret = VKD3D_ERROR_INVALID_ARGUMENT;
goto fail;
}
p1->shader_visibility = p->shader_visibility;
}
return VKD3D_OK;
fail:
free_descriptor_ranges1(dst, i);
return ret;
}
static int convert_root_signature_to_v1_1(struct vkd3d_shader_versioned_root_signature_desc *dst,
const struct vkd3d_shader_versioned_root_signature_desc *src)
{
const struct vkd3d_shader_root_signature_desc *src_desc = &src->u.v_1_0;
struct vkd3d_shader_root_signature_desc1 *dst_desc = &dst->u.v_1_1;
struct vkd3d_shader_static_sampler_desc *samplers = NULL;
struct vkd3d_shader_root_parameter1 *parameters = NULL;
int ret;
if ((dst_desc->parameter_count = src_desc->parameter_count))
{
if (!(parameters = vkd3d_calloc(dst_desc->parameter_count, sizeof(*parameters))))
{
ret = VKD3D_ERROR_OUT_OF_MEMORY;
goto fail;
}
if ((ret = convert_root_parameters_to_v_1_1(parameters, src_desc->parameters, src_desc->parameter_count)) < 0)
goto fail;
}
dst_desc->parameters = parameters;
if ((dst_desc->static_sampler_count = src_desc->static_sampler_count))
{
if (!(samplers = vkd3d_calloc(dst_desc->static_sampler_count, sizeof(*samplers))))
{
ret = VKD3D_ERROR_OUT_OF_MEMORY;
goto fail;
}
memcpy(samplers, src_desc->static_samplers, src_desc->static_sampler_count * sizeof(*samplers));
}
dst_desc->static_samplers = samplers;
dst_desc->flags = src_desc->flags;
return VKD3D_OK;
fail:
free_descriptor_ranges1(parameters, dst_desc->parameter_count);
vkd3d_free(parameters);
vkd3d_free(samplers);
return ret;
}
int vkd3d_shader_convert_root_signature(struct vkd3d_shader_versioned_root_signature_desc *dst,
enum vkd3d_shader_root_signature_version version, const struct vkd3d_shader_versioned_root_signature_desc *src)
{
int ret;
TRACE("dst %p, version %#x, src %p.\n", dst, version, src);
if (src->version == version)
{
WARN("Nothing to convert.\n");
return VKD3D_ERROR_INVALID_ARGUMENT;
}
if (version != VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0 && version != VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_1)
{
WARN("Root signature version %#x not supported.\n", version);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
if (src->version != VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0
&& src->version != VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_1)
{
WARN("Root signature version %#x not supported.\n", src->version);
return VKD3D_ERROR_INVALID_ARGUMENT;
}
memset(dst, 0, sizeof(*dst));
dst->version = version;
if (version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0)
{
ret = convert_root_signature_to_v1_0(dst, src);
}
else
{
assert(version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_1);
ret = convert_root_signature_to_v1_1(dst, src);
}
return ret;
}
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