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vkd3d/libs/vkd3d-shader/fx.c

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/*
* FX (Direct3D 9/10/11 effect) support
*
* Copyright 2023 Nikolay Sivov 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 "hlsl.h"
static inline size_t put_u32_unaligned(struct vkd3d_bytecode_buffer *buffer, uint32_t value)
{
return bytecode_put_bytes_unaligned(buffer, &value, sizeof(value));
}
struct string_entry
{
struct rb_entry entry;
/* String points to original data, should not be freed. */
const char *string;
uint32_t offset;
};
struct type_entry
{
struct list entry;
const char *name;
uint32_t elements_count;
uint32_t offset;
};
static int string_storage_compare(const void *key, const struct rb_entry *entry)
{
struct string_entry *string_entry = RB_ENTRY_VALUE(entry, struct string_entry, entry);
const char *string = key;
return strcmp(string, string_entry->string);
}
static void string_storage_destroy(struct rb_entry *entry, void *context)
{
struct string_entry *string_entry = RB_ENTRY_VALUE(entry, struct string_entry, entry);
vkd3d_free(string_entry);
}
struct fx_write_context;
struct fx_write_context_ops
{
uint32_t (*write_string)(const char *string, struct fx_write_context *fx);
void (*write_technique)(struct hlsl_ir_var *var, struct fx_write_context *fx);
void (*write_pass)(struct hlsl_ir_var *var, struct fx_write_context *fx);
bool are_child_effects_supported;
};
struct fx_write_context
{
struct hlsl_ctx *ctx;
struct vkd3d_bytecode_buffer unstructured;
struct vkd3d_bytecode_buffer structured;
struct rb_tree strings;
struct list types;
unsigned int min_technique_version;
unsigned int max_technique_version;
uint32_t technique_count;
uint32_t group_count;
uint32_t buffer_count;
uint32_t numeric_variable_count;
uint32_t object_variable_count;
uint32_t shared_object_count;
uint32_t shader_variable_count;
uint32_t parameter_count;
int status;
bool child_effect;
bool include_empty_buffers;
const struct fx_write_context_ops *ops;
};
static void set_status(struct fx_write_context *fx, int status)
{
if (fx->status < 0)
return;
if (status < 0)
fx->status = status;
}
static bool has_annotations(const struct hlsl_ir_var *var)
{
return var->annotations && !list_empty(&var->annotations->vars);
}
static uint32_t write_string(const char *string, struct fx_write_context *fx)
{
return fx->ops->write_string(string, fx);
}
static void write_pass(struct hlsl_ir_var *var, struct fx_write_context *fx)
{
if (var->state_block_count)
hlsl_fixme(fx->ctx, &var->loc, "Write state block assignments.");
fx->ops->write_pass(var, fx);
}
static uint32_t write_fx_4_type(const struct hlsl_type *type, struct fx_write_context *fx);
static uint32_t write_type(const struct hlsl_type *type, struct fx_write_context *fx)
{
struct type_entry *type_entry;
unsigned int elements_count;
const char *name;
assert(fx->ctx->profile->major_version >= 4);
if (type->class == HLSL_CLASS_ARRAY)
{
name = hlsl_get_multiarray_element_type(type)->name;
elements_count = hlsl_get_multiarray_size(type);
}
else
{
name = type->name;
elements_count = 0;
}
LIST_FOR_EACH_ENTRY(type_entry, &fx->types, struct type_entry, entry)
{
if (strcmp(type_entry->name, name))
continue;
if (type_entry->elements_count != elements_count)
continue;
return type_entry->offset;
}
if (!(type_entry = hlsl_alloc(fx->ctx, sizeof(*type_entry))))
return 0;
type_entry->offset = write_fx_4_type(type, fx);
type_entry->name = name;
type_entry->elements_count = elements_count;
list_add_tail(&fx->types, &type_entry->entry);
return type_entry->offset;
}
static void fx_write_context_init(struct hlsl_ctx *ctx, const struct fx_write_context_ops *ops,
struct fx_write_context *fx)
{
unsigned int version = ctx->profile->major_version;
struct hlsl_block block;
memset(fx, 0, sizeof(*fx));
fx->ctx = ctx;
fx->ops = ops;
if (version == 2)
{
fx->min_technique_version = 9;
fx->max_technique_version = 9;
}
else if (version == 4)
{
fx->min_technique_version = 10;
fx->max_technique_version = 10;
}
else if (version == 5)
{
fx->min_technique_version = 10;
fx->max_technique_version = 11;
}
rb_init(&fx->strings, string_storage_compare);
list_init(&fx->types);
fx->child_effect = fx->ops->are_child_effects_supported && ctx->child_effect;
fx->include_empty_buffers = version == 4 && ctx->include_empty_buffers;
hlsl_block_init(&block);
hlsl_prepend_global_uniform_copy(fx->ctx, &block);
hlsl_block_cleanup(&block);
hlsl_calculate_buffer_offsets(fx->ctx);
}
static int fx_write_context_cleanup(struct fx_write_context *fx)
{
struct type_entry *type, *next_type;
rb_destroy(&fx->strings, string_storage_destroy, NULL);
LIST_FOR_EACH_ENTRY_SAFE(type, next_type, &fx->types, struct type_entry, entry)
{
list_remove(&type->entry);
vkd3d_free(type);
}
return fx->ctx->result;
}
static bool technique_matches_version(const struct hlsl_ir_var *var, const struct fx_write_context *fx)
{
const struct hlsl_type *type = var->data_type;
if (type->base_type != HLSL_TYPE_TECHNIQUE)
return false;
return type->e.version >= fx->min_technique_version && type->e.version <= fx->max_technique_version;
}
static uint32_t write_fx_4_string(const char *string, struct fx_write_context *fx)
{
struct string_entry *string_entry;
struct rb_entry *entry;
/* NULLs are emitted as empty strings using the same 4 bytes at the start of the section. */
if (!string)
return 0;
if ((entry = rb_get(&fx->strings, string)))
{
string_entry = RB_ENTRY_VALUE(entry, struct string_entry, entry);
return string_entry->offset;
}
if (!(string_entry = hlsl_alloc(fx->ctx, sizeof(*string_entry))))
return 0;
string_entry->offset = bytecode_put_bytes_unaligned(&fx->unstructured, string, strlen(string) + 1);
string_entry->string = string;
rb_put(&fx->strings, string, &string_entry->entry);
return string_entry->offset;
}
static void write_fx_4_pass(struct hlsl_ir_var *var, struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->structured;
uint32_t name_offset;
name_offset = write_string(var->name, fx);
put_u32(buffer, name_offset);
put_u32(buffer, 0); /* Assignment count. */
put_u32(buffer, 0); /* Annotation count. */
/* TODO: annotations */
/* TODO: assignments */
}
static void write_fx_2_pass(struct hlsl_ir_var *var, struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->structured;
uint32_t name_offset;
name_offset = write_string(var->name, fx);
put_u32(buffer, name_offset);
put_u32(buffer, 0); /* Annotation count. */
put_u32(buffer, 0); /* Assignment count. */
/* TODO: annotations */
/* TODO: assignments */
}
static uint32_t get_fx_4_type_size(const struct hlsl_type *type)
{
uint32_t elements_count;
elements_count = hlsl_get_multiarray_size(type);
type = hlsl_get_multiarray_element_type(type);
return type->reg_size[HLSL_REGSET_NUMERIC] * sizeof(float) * elements_count;
}
static uint32_t get_fx_4_numeric_type_description(const struct hlsl_type *type, struct fx_write_context *fx)
{
static const unsigned int NUMERIC_BASE_TYPE_SHIFT = 3;
static const unsigned int NUMERIC_ROWS_SHIFT = 8;
static const unsigned int NUMERIC_COLUMNS_SHIFT = 11;
static const unsigned int NUMERIC_COLUMN_MAJOR_MASK = 0x4000;
static const uint32_t numeric_type_class[] =
{
[HLSL_CLASS_SCALAR] = 1,
[HLSL_CLASS_VECTOR] = 2,
[HLSL_CLASS_MATRIX] = 3,
};
static const uint32_t numeric_base_type[] =
{
[HLSL_TYPE_FLOAT] = 1,
[HLSL_TYPE_INT ] = 2,
[HLSL_TYPE_UINT ] = 3,
[HLSL_TYPE_BOOL ] = 4,
};
struct hlsl_ctx *ctx = fx->ctx;
uint32_t value = 0;
switch (type->class)
{
case HLSL_CLASS_SCALAR:
case HLSL_CLASS_VECTOR:
case HLSL_CLASS_MATRIX:
value |= numeric_type_class[type->class];
break;
default:
hlsl_fixme(ctx, &ctx->location, "Not implemented for type class %u.", type->class);
return 0;
}
switch (type->base_type)
{
case HLSL_TYPE_FLOAT:
case HLSL_TYPE_INT:
case HLSL_TYPE_UINT:
case HLSL_TYPE_BOOL:
value |= (numeric_base_type[type->base_type] << NUMERIC_BASE_TYPE_SHIFT);
break;
default:
hlsl_fixme(ctx, &ctx->location, "Not implemented for base type %u.", type->base_type);
return 0;
}
value |= (type->dimy & 0x7) << NUMERIC_ROWS_SHIFT;
value |= (type->dimx & 0x7) << NUMERIC_COLUMNS_SHIFT;
if (type->modifiers & HLSL_MODIFIER_COLUMN_MAJOR)
value |= NUMERIC_COLUMN_MAJOR_MASK;
return value;
}
static const char * get_fx_4_type_name(const struct hlsl_type *type)
{
static const char * const object_type_names[] =
{
[HLSL_TYPE_PIXELSHADER] = "PixelShader",
[HLSL_TYPE_VERTEXSHADER] = "VertexShader",
[HLSL_TYPE_RENDERTARGETVIEW] = "RenderTargetView",
[HLSL_TYPE_DEPTHSTENCILVIEW] = "DepthStencilView",
};
static const char * const texture_type_names[] =
{
[HLSL_SAMPLER_DIM_GENERIC] = "texture",
[HLSL_SAMPLER_DIM_1D] = "Texture1D",
[HLSL_SAMPLER_DIM_1DARRAY] = "Texture1DArray",
[HLSL_SAMPLER_DIM_2D] = "Texture2D",
[HLSL_SAMPLER_DIM_2DARRAY] = "Texture2DArray",
[HLSL_SAMPLER_DIM_2DMS] = "Texture2DMS",
[HLSL_SAMPLER_DIM_2DMSARRAY] = "Texture2DMSArray",
[HLSL_SAMPLER_DIM_3D] = "Texture3D",
[HLSL_SAMPLER_DIM_CUBE] = "TextureCube",
[HLSL_SAMPLER_DIM_CUBEARRAY] = "TextureCubeArray",
};
static const char * const uav_type_names[] =
{
[HLSL_SAMPLER_DIM_1D] = "RWTexture1D",
[HLSL_SAMPLER_DIM_1DARRAY] = "RWTexture1DArray",
[HLSL_SAMPLER_DIM_2D] = "RWTexture2D",
[HLSL_SAMPLER_DIM_2DARRAY] = "RWTexture2DArray",
[HLSL_SAMPLER_DIM_3D] = "RWTexture3D",
[HLSL_SAMPLER_DIM_BUFFER] = "RWBuffer",
[HLSL_SAMPLER_DIM_STRUCTURED_BUFFER] = "RWStructuredBuffer",
};
if (type->base_type == HLSL_TYPE_TEXTURE)
return texture_type_names[type->sampler_dim];
if (type->base_type == HLSL_TYPE_UAV)
return uav_type_names[type->sampler_dim];
switch (type->base_type)
{
case HLSL_TYPE_PIXELSHADER:
case HLSL_TYPE_VERTEXSHADER:
case HLSL_TYPE_RENDERTARGETVIEW:
case HLSL_TYPE_DEPTHSTENCILVIEW:
return object_type_names[type->base_type];
default:
return type->name;
}
}
static uint32_t write_fx_4_type(const struct hlsl_type *type, struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->unstructured;
uint32_t name_offset, offset, size, stride, numeric_desc;
uint32_t elements_count = 0;
const char *name;
static const uint32_t variable_type[] =
{
[HLSL_CLASS_SCALAR] = 1,
[HLSL_CLASS_VECTOR] = 1,
[HLSL_CLASS_MATRIX] = 1,
[HLSL_CLASS_OBJECT] = 2,
[HLSL_CLASS_STRUCT] = 3,
};
struct hlsl_ctx *ctx = fx->ctx;
/* Resolve arrays to element type and number of elements. */
if (type->class == HLSL_CLASS_ARRAY)
{
elements_count = hlsl_get_multiarray_size(type);
type = hlsl_get_multiarray_element_type(type);
}
name = get_fx_4_type_name(type);
name_offset = write_string(name, fx);
offset = put_u32_unaligned(buffer, name_offset);
switch (type->class)
{
case HLSL_CLASS_SCALAR:
case HLSL_CLASS_VECTOR:
case HLSL_CLASS_MATRIX:
case HLSL_CLASS_OBJECT:
case HLSL_CLASS_STRUCT:
put_u32_unaligned(buffer, variable_type[type->class]);
break;
default:
hlsl_fixme(ctx, &ctx->location, "Writing type class %u is not implemented.", type->class);
return 0;
}
size = stride = type->reg_size[HLSL_REGSET_NUMERIC] * sizeof(float);
if (elements_count)
size *= elements_count;
stride = align(stride, 4 * sizeof(float));
put_u32_unaligned(buffer, elements_count);
put_u32_unaligned(buffer, size); /* Total size. */
put_u32_unaligned(buffer, stride); /* Stride. */
put_u32_unaligned(buffer, size);
if (type->class == HLSL_CLASS_STRUCT)
{
size_t i;
put_u32_unaligned(buffer, type->e.record.field_count);
for (i = 0; i < type->e.record.field_count; ++i)
{
const struct hlsl_struct_field *field = &type->e.record.fields[i];
uint32_t semantic_offset, field_type_offset;
name_offset = write_string(field->name, fx);
semantic_offset = write_string(field->semantic.name, fx);
field_type_offset = write_type(field->type, fx);
put_u32_unaligned(buffer, name_offset);
put_u32_unaligned(buffer, semantic_offset);
put_u32_unaligned(buffer, field->reg_offset[HLSL_REGSET_NUMERIC]);
put_u32_unaligned(buffer, field_type_offset);
}
}
else if (type->class == HLSL_CLASS_OBJECT)
{
static const uint32_t object_type[] =
{
[HLSL_TYPE_PIXELSHADER] = 5,
[HLSL_TYPE_VERTEXSHADER] = 6,
[HLSL_TYPE_RENDERTARGETVIEW] = 19,
[HLSL_TYPE_DEPTHSTENCILVIEW] = 20,
};
static const uint32_t texture_type[] =
{
[HLSL_SAMPLER_DIM_GENERIC] = 9,
[HLSL_SAMPLER_DIM_1D] = 10,
[HLSL_SAMPLER_DIM_1DARRAY] = 11,
[HLSL_SAMPLER_DIM_2D] = 12,
[HLSL_SAMPLER_DIM_2DARRAY] = 13,
[HLSL_SAMPLER_DIM_2DMS] = 14,
[HLSL_SAMPLER_DIM_2DMSARRAY] = 15,
[HLSL_SAMPLER_DIM_3D] = 16,
[HLSL_SAMPLER_DIM_CUBE] = 17,
[HLSL_SAMPLER_DIM_CUBEARRAY] = 23,
};
static const uint32_t uav_type[] =
{
[HLSL_SAMPLER_DIM_1D] = 31,
[HLSL_SAMPLER_DIM_1DARRAY] = 32,
[HLSL_SAMPLER_DIM_2D] = 33,
[HLSL_SAMPLER_DIM_2DARRAY] = 34,
[HLSL_SAMPLER_DIM_3D] = 35,
[HLSL_SAMPLER_DIM_BUFFER] = 36,
[HLSL_SAMPLER_DIM_STRUCTURED_BUFFER] = 40,
};
switch (type->base_type)
{
case HLSL_TYPE_DEPTHSTENCILVIEW:
case HLSL_TYPE_PIXELSHADER:
case HLSL_TYPE_RENDERTARGETVIEW:
case HLSL_TYPE_VERTEXSHADER:
put_u32_unaligned(buffer, object_type[type->base_type]);
break;
case HLSL_TYPE_TEXTURE:
put_u32_unaligned(buffer, texture_type[type->sampler_dim]);
break;
case HLSL_TYPE_UAV:
put_u32_unaligned(buffer, uav_type[type->sampler_dim]);
break;
default:
hlsl_fixme(ctx, &ctx->location, "Object type %u is not supported.", type->base_type);
return 0;
}
}
else /* Numeric type */
{
numeric_desc = get_fx_4_numeric_type_description(type, fx);
put_u32_unaligned(buffer, numeric_desc);
}
return offset;
}
static void write_fx_4_technique(struct hlsl_ir_var *var, struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->structured;
uint32_t name_offset, count = 0;
struct hlsl_ir_var *pass;
uint32_t count_offset;
name_offset = write_string(var->name, fx);
put_u32(buffer, name_offset);
count_offset = put_u32(buffer, 0);
put_u32(buffer, 0); /* Annotation count. */
LIST_FOR_EACH_ENTRY(pass, &var->scope->vars, struct hlsl_ir_var, scope_entry)
{
write_pass(pass, fx);
++count;
}
set_u32(buffer, count_offset, count);
}
static void write_techniques(struct hlsl_scope *scope, struct fx_write_context *fx)
{
struct hlsl_ir_var *var;
LIST_FOR_EACH_ENTRY(var, &scope->vars, struct hlsl_ir_var, scope_entry)
{
if (technique_matches_version(var, fx))
{
fx->ops->write_technique(var, fx);
++fx->technique_count;
}
}
set_status(fx, fx->unstructured.status);
set_status(fx, fx->structured.status);
}
static void write_group(struct hlsl_ir_var *var, struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->structured;
uint32_t name_offset = write_string(var ? var->name : NULL, fx);
uint32_t count_offset, count;
put_u32(buffer, name_offset);
count_offset = put_u32(buffer, 0); /* Technique count */
put_u32(buffer, 0); /* Annotation count */
count = fx->technique_count;
write_techniques(var ? var->scope : fx->ctx->globals, fx);
set_u32(buffer, count_offset, fx->technique_count - count);
++fx->group_count;
}
static void write_groups(struct fx_write_context *fx)
{
struct hlsl_scope *scope = fx->ctx->globals;
bool needs_default_group = false;
struct hlsl_ir_var *var;
LIST_FOR_EACH_ENTRY(var, &scope->vars, struct hlsl_ir_var, scope_entry)
{
if (technique_matches_version(var, fx))
{
needs_default_group = true;
break;
}
}
if (needs_default_group)
write_group(NULL, fx);
LIST_FOR_EACH_ENTRY(var, &scope->vars, struct hlsl_ir_var, scope_entry)
{
const struct hlsl_type *type = var->data_type;
if (type->base_type == HLSL_TYPE_EFFECT_GROUP)
write_group(var, fx);
}
}
static uint32_t write_fx_2_string(const char *string, struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->unstructured;
const char *s = string ? string : "";
static const char tail[3];
uint32_t size, offset;
size = strlen(s) + 1;
offset = put_u32(buffer, size);
bytecode_put_bytes(buffer, s, size);
size %= 4;
if (size)
bytecode_put_bytes_unaligned(buffer, tail, 4 - size);
return offset;
}
static uint32_t write_fx_2_parameter(const struct hlsl_type *type, const char *name, const struct hlsl_semantic *semantic,
struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->unstructured;
uint32_t semantic_offset, offset, elements_count = 0, name_offset;
struct hlsl_ctx *ctx = fx->ctx;
size_t i;
/* Resolve arrays to element type and number of elements. */
if (type->class == HLSL_CLASS_ARRAY)
{
elements_count = hlsl_get_multiarray_size(type);
type = hlsl_get_multiarray_element_type(type);
}
name_offset = write_string(name, fx);
semantic_offset = write_string(semantic->name, fx);
switch (type->base_type)
{
case HLSL_TYPE_HALF:
case HLSL_TYPE_FLOAT:
case HLSL_TYPE_BOOL:
case HLSL_TYPE_INT:
case HLSL_TYPE_UINT:
case HLSL_TYPE_VOID:
case HLSL_TYPE_TEXTURE:
break;
default:
hlsl_fixme(ctx, &ctx->location, "Writing parameter type %u is not implemented.",
type->base_type);
return 0;
};
offset = put_u32(buffer, hlsl_sm1_base_type(type));
put_u32(buffer, hlsl_sm1_class(type));
put_u32(buffer, name_offset);
put_u32(buffer, semantic_offset);
put_u32(buffer, elements_count);
switch (type->class)
{
case HLSL_CLASS_VECTOR:
put_u32(buffer, type->dimx);
put_u32(buffer, type->dimy);
break;
case HLSL_CLASS_SCALAR:
case HLSL_CLASS_MATRIX:
put_u32(buffer, type->dimy);
put_u32(buffer, type->dimx);
break;
case HLSL_CLASS_STRUCT:
put_u32(buffer, type->e.record.field_count);
break;
default:
;
}
if (type->class == HLSL_CLASS_STRUCT)
{
for (i = 0; i < type->e.record.field_count; ++i)
{
const struct hlsl_struct_field *field = &type->e.record.fields[i];
write_fx_2_parameter(field->type, field->name, &field->semantic, fx);
}
}
return offset;
}
static void write_fx_2_technique(struct hlsl_ir_var *var, struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->structured;
uint32_t name_offset, count_offset, count = 0;
struct hlsl_ir_var *pass;
name_offset = write_string(var->name, fx);
put_u32(buffer, name_offset);
put_u32(buffer, 0); /* Annotation count. */
count_offset = put_u32(buffer, 0); /* Pass count. */
/* FIXME: annotations */
LIST_FOR_EACH_ENTRY(pass, &var->scope->vars, struct hlsl_ir_var, scope_entry)
{
write_pass(pass, fx);
++count;
}
set_u32(buffer, count_offset, count);
}
static uint32_t get_fx_2_type_size(const struct hlsl_type *type)
{
uint32_t size = 0, elements_count;
size_t i;
if (type->class == HLSL_CLASS_ARRAY)
{
elements_count = hlsl_get_multiarray_size(type);
type = hlsl_get_multiarray_element_type(type);
return get_fx_2_type_size(type) * elements_count;
}
else if (type->class == HLSL_CLASS_STRUCT)
{
for (i = 0; i < type->e.record.field_count; ++i)
{
const struct hlsl_struct_field *field = &type->e.record.fields[i];
size += get_fx_2_type_size(field->type);
}
return size;
}
return type->dimx * type->dimy * sizeof(float);
}
static uint32_t write_fx_2_initial_value(const struct hlsl_ir_var *var, struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->unstructured;
const struct hlsl_type *type = var->data_type;
uint32_t i, offset, size, elements_count = 1;
size = get_fx_2_type_size(type);
if (type->class == HLSL_CLASS_ARRAY)
{
elements_count = hlsl_get_multiarray_size(type);
type = hlsl_get_multiarray_element_type(type);
}
if (type->class == HLSL_CLASS_OBJECT)
{
/* Objects are given sequential ids. */
offset = put_u32(buffer, fx->object_variable_count++);
for (i = 1; i < elements_count; ++i)
put_u32(buffer, fx->object_variable_count++);
}
else
{
/* FIXME: write actual initial value */
offset = put_u32(buffer, 0);
for (i = 1; i < size / sizeof(uint32_t); ++i)
put_u32(buffer, 0);
}
return offset;
}
static bool is_type_supported_fx_2(const struct hlsl_type *type)
{
type = hlsl_get_multiarray_element_type(type);
if (type->class == HLSL_CLASS_STRUCT)
return true;
switch (type->base_type)
{
case HLSL_TYPE_FLOAT:
case HLSL_TYPE_HALF:
case HLSL_TYPE_DOUBLE:
case HLSL_TYPE_INT:
case HLSL_TYPE_UINT:
case HLSL_TYPE_BOOL:
case HLSL_TYPE_PIXELSHADER:
case HLSL_TYPE_VERTEXSHADER:
case HLSL_TYPE_STRING:
return true;
case HLSL_TYPE_TEXTURE:
case HLSL_TYPE_SAMPLER:
switch (type->sampler_dim)
{
case HLSL_SAMPLER_DIM_1D:
case HLSL_SAMPLER_DIM_2D:
case HLSL_SAMPLER_DIM_3D:
case HLSL_SAMPLER_DIM_CUBE:
case HLSL_SAMPLER_DIM_GENERIC:
return true;
default:
;
}
break;
default:
return false;
}
return false;
}
static void write_fx_2_parameters(struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->structured;
uint32_t desc_offset, value_offset, flags;
struct hlsl_ctx *ctx = fx->ctx;
struct hlsl_ir_var *var;
enum fx_2_parameter_flags
{
IS_SHARED = 0x1,
};
LIST_FOR_EACH_ENTRY(var, &ctx->extern_vars, struct hlsl_ir_var, extern_entry)
{
if (!is_type_supported_fx_2(var->data_type))
continue;
desc_offset = write_fx_2_parameter(var->data_type, var->name, &var->semantic, fx);
value_offset = write_fx_2_initial_value(var, fx);
flags = 0;
if (var->storage_modifiers & HLSL_STORAGE_SHARED)
flags |= IS_SHARED;
put_u32(buffer, desc_offset); /* Parameter description */
put_u32(buffer, value_offset); /* Value */
put_u32(buffer, flags); /* Flags */
put_u32(buffer, 0); /* Annotations count */
if (has_annotations(var))
hlsl_fixme(ctx, &ctx->location, "Writing annotations for parameters is not implemented.");
++fx->parameter_count;
}
}
static const struct fx_write_context_ops fx_2_ops =
{
.write_string = write_fx_2_string,
.write_technique = write_fx_2_technique,
.write_pass = write_fx_2_pass,
};
static int hlsl_fx_2_write(struct hlsl_ctx *ctx, struct vkd3d_shader_code *out)
{
uint32_t offset, size, technique_count, parameter_count, object_count;
struct vkd3d_bytecode_buffer buffer = { 0 };
struct vkd3d_bytecode_buffer *structured;
struct fx_write_context fx;
fx_write_context_init(ctx, &fx_2_ops, &fx);
fx.object_variable_count = 1;
structured = &fx.structured;
/* First entry is always zeroed and skipped. */
put_u32(&fx.unstructured, 0);
put_u32(&buffer, 0xfeff0901); /* Version. */
offset = put_u32(&buffer, 0);
parameter_count = put_u32(structured, 0); /* Parameter count */
technique_count = put_u32(structured, 0);
put_u32(structured, 0); /* Unknown */
object_count = put_u32(structured, 0);
write_fx_2_parameters(&fx);
set_u32(structured, parameter_count, fx.parameter_count);
set_u32(structured, object_count, fx.object_variable_count);
write_techniques(ctx->globals, &fx);
set_u32(structured, technique_count, fx.technique_count);
put_u32(structured, 0); /* String count */
put_u32(structured, 0); /* Resource count */
/* TODO: strings */
/* TODO: resources */
size = align(fx.unstructured.size, 4);
set_u32(&buffer, offset, size);
bytecode_put_bytes(&buffer, fx.unstructured.data, fx.unstructured.size);
bytecode_put_bytes(&buffer, fx.structured.data, fx.structured.size);
vkd3d_free(fx.unstructured.data);
vkd3d_free(fx.structured.data);
if (!fx.technique_count)
hlsl_error(ctx, &ctx->location, VKD3D_SHADER_ERROR_HLSL_MISSING_TECHNIQUE, "No techniques found.");
if (fx.status < 0)
ctx->result = fx.status;
if (!ctx->result)
{
out->code = buffer.data;
out->size = buffer.size;
}
return fx_write_context_cleanup(&fx);
}
static const struct fx_write_context_ops fx_4_ops =
{
.write_string = write_fx_4_string,
.write_technique = write_fx_4_technique,
.write_pass = write_fx_4_pass,
.are_child_effects_supported = true,
};
static void write_fx_4_numeric_variable(struct hlsl_ir_var *var, struct fx_write_context *fx)
{
struct vkd3d_bytecode_buffer *buffer = &fx->structured;
uint32_t semantic_offset, flags = 0;
uint32_t name_offset, type_offset;
enum fx_4_numeric_variable_flags
{
HAS_EXPLICIT_BIND_POINT = 0x4,
};
struct hlsl_ctx *ctx = fx->ctx;
/* Explicit bind point. */
if (var->reg_reservation.reg_type)
flags |= HAS_EXPLICIT_BIND_POINT;
type_offset = write_type(var->data_type, fx);
name_offset = write_string(var->name, fx);
semantic_offset = write_string(var->semantic.name, fx);
put_u32(buffer, name_offset);
put_u32(buffer, type_offset);
semantic_offset = put_u32(buffer, semantic_offset); /* Semantic */
put_u32(buffer, var->buffer_offset); /* Offset in the constant buffer */
put_u32(buffer, 0); /* FIXME: default value offset */
put_u32(buffer, flags); /* Flags */
put_u32(buffer, 0); /* Annotations count */
if (has_annotations(var))
hlsl_fixme(ctx, &ctx->location, "Writing annotations for numeric variables is not implemented.");
}
static void write_fx_4_object_variable(struct hlsl_ir_var *var, struct fx_write_context *fx)
{
const struct hlsl_type *type = hlsl_get_multiarray_element_type(var->data_type);
uint32_t elements_count = hlsl_get_multiarray_size(var->data_type);
struct vkd3d_bytecode_buffer *buffer = &fx->structured;
uint32_t semantic_offset, bind_point = ~0u;
uint32_t name_offset, type_offset, i;
struct hlsl_ctx *ctx = fx->ctx;
if (var->reg_reservation.reg_type)
bind_point = var->reg_reservation.reg_index;
type_offset = write_type(var->data_type, fx);
name_offset = write_string(var->name, fx);
semantic_offset = write_string(var->semantic.name, fx);
put_u32(buffer, name_offset);
put_u32(buffer, type_offset);
semantic_offset = put_u32(buffer, semantic_offset); /* Semantic */
put_u32(buffer, bind_point); /* Explicit bind point */
if (fx->child_effect && var->storage_modifiers & HLSL_STORAGE_SHARED)
{
++fx->shared_object_count;
return;
}
/* Initializer */
switch (type->base_type)
{
case HLSL_TYPE_TEXTURE:
case HLSL_TYPE_UAV:
case HLSL_TYPE_RENDERTARGETVIEW:
break;
case HLSL_TYPE_PIXELSHADER:
case HLSL_TYPE_VERTEXSHADER:
/* FIXME: write shader blobs, once parser support works. */
for (i = 0; i < elements_count; ++i)
put_u32(buffer, 0);
++fx->shader_variable_count;
break;
default:
hlsl_fixme(ctx, &ctx->location, "Writing initializer for object type %u is not implemented.",
type->base_type);
}
put_u32(buffer, 0); /* Annotations count */
if (has_annotations(var))
hlsl_fixme(ctx, &ctx->location, "Writing annotations for object variables is not implemented.");
++fx->object_variable_count;
}
static void write_fx_4_buffer(struct hlsl_buffer *b, struct fx_write_context *fx)
{
enum fx_4_buffer_flags
{
IS_TBUFFER = 0x1,
IS_SINGLE = 0x2,
};
struct vkd3d_bytecode_buffer *buffer = &fx->structured;
uint32_t count = 0, bind_point = ~0u, flags = 0, size;
uint32_t name_offset, size_offset;
struct hlsl_ctx *ctx = fx->ctx;
struct hlsl_ir_var *var;
uint32_t count_offset;
if (b->reservation.reg_type)
bind_point = b->reservation.reg_index;
if (b->type == HLSL_BUFFER_TEXTURE)
flags |= IS_TBUFFER;
if (ctx->profile->major_version == 5 && b->modifiers & HLSL_MODIFIER_SINGLE)
flags |= IS_SINGLE;
name_offset = write_string(b->name, fx);
put_u32(buffer, name_offset); /* Name */
size_offset = put_u32(buffer, 0); /* Data size */
put_u32(buffer, flags); /* Flags */
count_offset = put_u32(buffer, 0);
put_u32(buffer, bind_point); /* Bind point */
put_u32(buffer, 0); /* Annotations count */
if (b->annotations)
hlsl_fixme(ctx, &b->loc, "Writing annotations for buffers is not implemented.");
count = 0;
size = 0;
LIST_FOR_EACH_ENTRY(var, &ctx->extern_vars, struct hlsl_ir_var, extern_entry)
{
if (var->buffer != b)
continue;
write_fx_4_numeric_variable(var, fx);
size += get_fx_4_type_size(var->data_type);
++count;
}
set_u32(buffer, count_offset, count);
set_u32(buffer, size_offset, align(size, 16));
fx->numeric_variable_count += count;
}
static void write_buffers(struct fx_write_context *fx)
{
struct hlsl_buffer *buffer;
LIST_FOR_EACH_ENTRY(buffer, &fx->ctx->buffers, struct hlsl_buffer, entry)
{
if (!buffer->size && !fx->include_empty_buffers)
continue;
if (!strcmp(buffer->name, "$Params"))
continue;
write_fx_4_buffer(buffer, fx);
++fx->buffer_count;
}
}
static bool is_object_variable(const struct hlsl_ir_var *var)
{
const struct hlsl_type *type = hlsl_get_multiarray_element_type(var->data_type);
if (type->class != HLSL_CLASS_OBJECT)
return false;
switch (type->base_type)
{
case HLSL_TYPE_SAMPLER:
case HLSL_TYPE_TEXTURE:
case HLSL_TYPE_UAV:
case HLSL_TYPE_PIXELSHADER:
case HLSL_TYPE_VERTEXSHADER:
case HLSL_TYPE_RENDERTARGETVIEW:
return true;
default:
return false;
}
}
static void write_objects(struct fx_write_context *fx, bool shared)
{
struct hlsl_ir_var *var;
if (shared && !fx->child_effect)
return;
LIST_FOR_EACH_ENTRY(var, &fx->ctx->extern_vars, struct hlsl_ir_var, extern_entry)
{
if (!is_object_variable(var))
continue;
if (fx->child_effect && (shared != !!(var->storage_modifiers & HLSL_STORAGE_SHARED)))
continue;
write_fx_4_object_variable(var, fx);
}
}
static int hlsl_fx_4_write(struct hlsl_ctx *ctx, struct vkd3d_shader_code *out)
{
struct vkd3d_bytecode_buffer buffer = { 0 };
struct fx_write_context fx;
uint32_t size_offset;
fx_write_context_init(ctx, &fx_4_ops, &fx);
put_u32(&fx.unstructured, 0); /* Empty string placeholder. */
write_buffers(&fx);
write_objects(&fx, false);
/* TODO: shared buffers */
write_objects(&fx, true);
write_techniques(ctx->globals, &fx);
put_u32(&buffer, ctx->profile->minor_version == 0 ? 0xfeff1001 : 0xfeff1011); /* Version. */
put_u32(&buffer, fx.buffer_count); /* Buffer count. */
put_u32(&buffer, fx.numeric_variable_count); /* Numeric variable count. */
put_u32(&buffer, fx.object_variable_count); /* Object variable count. */
put_u32(&buffer, 0); /* Pool buffer count. */
put_u32(&buffer, 0); /* Pool variable count. */
put_u32(&buffer, fx.shared_object_count); /* Shared object count. */
put_u32(&buffer, fx.technique_count);
size_offset = put_u32(&buffer, 0); /* Unstructured size. */
put_u32(&buffer, 0); /* String count. */
put_u32(&buffer, 0); /* Texture object count. */
put_u32(&buffer, 0); /* Depth stencil state count. */
put_u32(&buffer, 0); /* Blend state count. */
put_u32(&buffer, 0); /* Rasterizer state count. */
put_u32(&buffer, 0); /* Sampler state count. */
put_u32(&buffer, 0); /* Rendertarget view count. */
put_u32(&buffer, 0); /* Depth stencil view count. */
put_u32(&buffer, fx.shader_variable_count); /* Shader count. */
put_u32(&buffer, 0); /* Inline shader count. */
set_u32(&buffer, size_offset, fx.unstructured.size);
bytecode_put_bytes(&buffer, fx.unstructured.data, fx.unstructured.size);
bytecode_put_bytes_unaligned(&buffer, fx.structured.data, fx.structured.size);
vkd3d_free(fx.unstructured.data);
vkd3d_free(fx.structured.data);
set_status(&fx, buffer.status);
if (fx.status < 0)
ctx->result = fx.status;
if (!ctx->result)
{
out->code = buffer.data;
out->size = buffer.size;
}
return fx_write_context_cleanup(&fx);
}
static int hlsl_fx_5_write(struct hlsl_ctx *ctx, struct vkd3d_shader_code *out)
{
struct vkd3d_bytecode_buffer buffer = { 0 };
struct fx_write_context fx;
uint32_t size_offset;
fx_write_context_init(ctx, &fx_4_ops, &fx);
put_u32(&fx.unstructured, 0); /* Empty string placeholder. */
write_buffers(&fx);
write_objects(&fx, false);
/* TODO: interface variables */
write_groups(&fx);
put_u32(&buffer, 0xfeff2001); /* Version. */
put_u32(&buffer, fx.buffer_count); /* Buffer count. */
put_u32(&buffer, fx.numeric_variable_count); /* Numeric variable count. */
put_u32(&buffer, fx.object_variable_count); /* Object variable count. */
put_u32(&buffer, 0); /* Pool buffer count. */
put_u32(&buffer, 0); /* Pool variable count. */
put_u32(&buffer, 0); /* Pool object count. */
put_u32(&buffer, fx.technique_count);
size_offset = put_u32(&buffer, 0); /* Unstructured size. */
put_u32(&buffer, 0); /* String count. */
put_u32(&buffer, 0); /* Texture object count. */
put_u32(&buffer, 0); /* Depth stencil state count. */
put_u32(&buffer, 0); /* Blend state count. */
put_u32(&buffer, 0); /* Rasterizer state count. */
put_u32(&buffer, 0); /* Sampler state count. */
put_u32(&buffer, 0); /* Rendertarget view count. */
put_u32(&buffer, 0); /* Depth stencil view count. */
put_u32(&buffer, fx.shader_variable_count); /* Shader count. */
put_u32(&buffer, 0); /* Inline shader count. */
put_u32(&buffer, fx.group_count); /* Group count. */
put_u32(&buffer, 0); /* UAV count. */
put_u32(&buffer, 0); /* Interface variables count. */
put_u32(&buffer, 0); /* Interface variable element count. */
put_u32(&buffer, 0); /* Class instance elements count. */
set_u32(&buffer, size_offset, fx.unstructured.size);
bytecode_put_bytes(&buffer, fx.unstructured.data, fx.unstructured.size);
bytecode_put_bytes_unaligned(&buffer, fx.structured.data, fx.structured.size);
vkd3d_free(fx.unstructured.data);
vkd3d_free(fx.structured.data);
set_status(&fx, buffer.status);
if (fx.status < 0)
ctx->result = fx.status;
if (!ctx->result)
{
out->code = buffer.data;
out->size = buffer.size;
}
return fx_write_context_cleanup(&fx);
}
int hlsl_emit_effect_binary(struct hlsl_ctx *ctx, struct vkd3d_shader_code *out)
{
if (ctx->profile->major_version == 2)
{
return hlsl_fx_2_write(ctx, out);
}
else if (ctx->profile->major_version == 4)
{
return hlsl_fx_4_write(ctx, out);
}
else if (ctx->profile->major_version == 5)
{
return hlsl_fx_5_write(ctx, out);
}
else
{
vkd3d_unreachable();
}
}
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