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/*
* 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"
#include "spirv/1.0/spirv.h"
Józef Kucia
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#ifdef HAVE_SPIRV_TOOLS
# include "spirv-tools/libspirv.h"
#endif /* HAVE_SPIRV_TOOLS */
#ifdef HAVE_SPIRV_TOOLS
static void vkd3d_spirv_dump(const struct vkd3d_shader_code *spirv)
{
const static uint32_t options
= SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES | SPV_BINARY_TO_TEXT_OPTION_INDENT;
spv_diagnostic diagnostic = NULL;
spv_text text = NULL;
spv_context context;
spv_result_t ret;
context = spvContextCreate(SPV_ENV_VULKAN_1_0);
if (!(ret = spvBinaryToText(context, spirv->code, spirv->size / sizeof(uint32_t),
options, &text, &diagnostic)))
{
const char *str, *current = text->str;
while ((str = strchr(current, '\n')))
{
TRACE("%.*s\n", (int)(str - current), current);
current = str + 1;
}
}
else
{
TRACE("Failed to convert SPIR-V to binary text, ret %d.\n", ret);
TRACE("Diagnostic message: %s.\n", debugstr_a(diagnostic->error));
}
spvTextDestroy(text);
spvDiagnosticDestroy(diagnostic);
spvContextDestroy(context);
}
static void vkd3d_spirv_validate(const struct vkd3d_shader_code *spirv)
{
spv_diagnostic diagnostic = NULL;
spv_context context;
spv_result_t ret;
context = spvContextCreate(SPV_ENV_VULKAN_1_0);
if ((ret = spvValidateBinary(context, spirv->code, spirv->size / sizeof(uint32_t),
&diagnostic)))
{
TRACE("Failed to validate SPIR-V binary, ret %d.\n", ret);
TRACE("Diagnostic message: %s.\n", debugstr_a(diagnostic->error));
}
spvDiagnosticDestroy(diagnostic);
spvContextDestroy(context);
}
#else
static void vkd3d_spirv_dump(const struct vkd3d_shader_code *spirv) {}
static void vkd3d_spirv_validate(const struct vkd3d_shader_code *spirv) {}
Józef Kucia
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#endif /* HAVE_SPIRV_TOOLS */
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struct vkd3d_spirv_stream
{
uint32_t *words;
size_t capacity;
size_t word_count;
};
static void vkd3d_spirv_stream_init(struct vkd3d_spirv_stream *stream)
{
stream->capacity = 256;
if (!(stream->words = vkd3d_calloc(stream->capacity, sizeof(*stream->words))))
stream->capacity = 0;
stream->word_count = 0;
}
static void vkd3d_spirv_stream_free(struct vkd3d_spirv_stream *stream)
{
vkd3d_free(stream->words);
}
static bool vkd3d_spirv_stream_append(struct vkd3d_spirv_stream *dst_stream,
const struct vkd3d_spirv_stream *src_stream)
{
if (!vkd3d_array_reserve((void **)&dst_stream->words, &dst_stream->capacity,
dst_stream->word_count + src_stream->word_count, sizeof(*dst_stream->words)))
return false;
assert(dst_stream->word_count + src_stream->word_count <= dst_stream->capacity);
memcpy(&dst_stream->words[dst_stream->word_count], src_stream->words,
src_stream->word_count * sizeof(*src_stream->words));
dst_stream->word_count += src_stream->word_count;
return true;
}
struct vkd3d_spirv_builder
{
uint64_t capability_mask;
SpvExecutionModel execution_model;
uint32_t current_id;
uint32_t main_function_id;
uint32_t type_id[VKD3D_TYPE_COUNT][VKD3D_VEC4_SIZE];
struct vkd3d_spirv_stream debug_stream; /* debug instructions */
struct vkd3d_spirv_stream annotation_stream; /* decoration instructions */
struct vkd3d_spirv_stream global_stream; /* types, constants, global variables */
struct vkd3d_spirv_stream function_stream; /* function definitions */
union
{
struct
{
uint32_t local_size[3];
} compute;
} u;
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};
static void vkd3d_spirv_enable_capability(struct vkd3d_spirv_builder *builder,
SpvCapability cap)
{
assert(cap < sizeof(builder->capability_mask) * CHAR_BIT);
builder->capability_mask |= 1ull << cap;
}
static void vkd3d_spirv_set_execution_model(struct vkd3d_spirv_builder *builder,
SpvExecutionModel model)
{
builder->execution_model = model;
switch (model)
{
case SpvExecutionModelVertex:
case SpvExecutionModelFragment:
case SpvExecutionModelGLCompute:
vkd3d_spirv_enable_capability(builder, SpvCapabilityShader);
break;
case SpvExecutionModelTessellationControl:
case SpvExecutionModelTessellationEvaluation:
vkd3d_spirv_enable_capability(builder, SpvCapabilityTessellation);
break;
case SpvExecutionModelGeometry:
vkd3d_spirv_enable_capability(builder, SpvCapabilityGeometry);
break;
default:
ERR("Unhandled execution model %#x.\n", model);
}
}
static void vkd3d_spirv_set_local_size(struct vkd3d_spirv_builder *builder,
unsigned int x, unsigned int y, unsigned int z)
{
assert(builder->execution_model == SpvExecutionModelGLCompute);
builder->u.compute.local_size[0] = x;
builder->u.compute.local_size[1] = y;
builder->u.compute.local_size[2] = z;
}
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static uint32_t vkd3d_spirv_opcode_word(SpvOp op, unsigned int word_count)
{
assert(!(op & ~SpvOpCodeMask));
return (word_count << SpvWordCountShift) | op;
}
static void vkd3d_spirv_build_word(struct vkd3d_spirv_stream *stream, uint32_t word)
{
if (!vkd3d_array_reserve((void **)&stream->words, &stream->capacity,
stream->word_count + 1, sizeof(*stream->words)))
return;
stream->words[stream->word_count++] = word;
}
static unsigned int vkd3d_spirv_string_word_count(const char *str)
{
return align(strlen(str) + 1, sizeof(uint32_t)) / sizeof(uint32_t);
}
static void vkd3d_spirv_build_string(struct vkd3d_spirv_stream *stream,
const char *str, unsigned int word_count)
{
unsigned int word_idx, i;
const char *ptr = str;
for (word_idx = 0; word_idx < word_count; ++word_idx)
{
uint32_t word = 0;
for (i = 0; i < sizeof(uint32_t) && *ptr; ++i)
word |= (uint32_t)*ptr++ << (8 * i);
vkd3d_spirv_build_word(stream, word);
}
}
/*
* vkd3d_spirv_build_op[1-3][v]()
* vkd3d_spirv_build_op_[t][r][1-3][v]()
*
* t - result type
* r - result id
* 1-3 - the number of operands
* v - variable number of operands
*/
static void vkd3d_spirv_build_op(struct vkd3d_spirv_stream *stream, SpvOp op)
{
vkd3d_spirv_build_word(stream, vkd3d_spirv_opcode_word(op, 1));
}
static void vkd3d_spirv_build_op1(struct vkd3d_spirv_stream *stream,
SpvOp op, uint32_t operand)
{
vkd3d_spirv_build_word(stream, vkd3d_spirv_opcode_word(op, 2));
vkd3d_spirv_build_word(stream, operand);
}
static void vkd3d_spirv_build_op1v(struct vkd3d_spirv_stream *stream,
SpvOp op, uint32_t operand0, const uint32_t *operands, unsigned int operand_count)
{
unsigned int i;
vkd3d_spirv_build_word(stream, vkd3d_spirv_opcode_word(op, 2 + operand_count));
vkd3d_spirv_build_word(stream, operand0);
for (i = 0; i < operand_count; ++i)
vkd3d_spirv_build_word(stream, operands[i]);
}
static void vkd3d_spirv_build_op2v(struct vkd3d_spirv_stream *stream,
SpvOp op, uint32_t operand0, uint32_t operand1,
const uint32_t *operands, unsigned int operand_count)
{
unsigned int i;
vkd3d_spirv_build_word(stream, vkd3d_spirv_opcode_word(op, 3 + operand_count));
vkd3d_spirv_build_word(stream, operand0);
vkd3d_spirv_build_word(stream, operand1);
for (i = 0; i < operand_count; ++i)
vkd3d_spirv_build_word(stream, operands[i]);
}
static void vkd3d_spirv_build_op2(struct vkd3d_spirv_stream *stream,
SpvOp op, uint32_t operand0, uint32_t operand1)
{
return vkd3d_spirv_build_op2v(stream, op, operand0, operand1, NULL, 0);
}
static uint32_t vkd3d_spirv_build_op_rv(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, SpvOp op,
const uint32_t *operands, unsigned int operand_count)
{
uint32_t result_id = builder->current_id++;
vkd3d_spirv_build_op1v(stream, op, result_id, operands, operand_count);
return result_id;
}
static uint32_t vkd3d_spirv_build_op_r(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, SpvOp op)
{
return vkd3d_spirv_build_op_rv(builder, stream, op, NULL, 0);
}
static uint32_t vkd3d_spirv_build_op_r1(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, SpvOp op, uint32_t operand0)
{
return vkd3d_spirv_build_op_rv(builder, stream, op, &operand0, 1);
}
static uint32_t vkd3d_spirv_build_op_r2(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, SpvOp op, uint32_t operand0, uint32_t operand1)
{
uint32_t operands[] = {operand0, operand1};
return vkd3d_spirv_build_op_rv(builder, stream, op, operands, ARRAY_SIZE(operands));
}
static uint32_t vkd3d_spirv_build_op_r1v(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, SpvOp op, uint32_t operand0,
const uint32_t *operands, unsigned int operand_count)
{
uint32_t result_id = builder->current_id++;
vkd3d_spirv_build_op2v(stream, op, result_id, operand0, operands, operand_count);
return result_id;
}
static uint32_t vkd3d_spirv_build_op_trv(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, SpvOp op, uint32_t result_type,
const uint32_t *operands, unsigned int operand_count)
{
uint32_t result_id = builder->current_id++;
vkd3d_spirv_build_op2v(stream, op, result_type, result_id, operands, operand_count);
return result_id;
}
static uint32_t vkd3d_spirv_build_op_tr1(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, SpvOp op, uint32_t result_type,
uint32_t operand0)
{
return vkd3d_spirv_build_op_trv(builder, stream, op, result_type, &operand0, 1);
}
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static uint32_t vkd3d_spirv_build_op_tr2(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, SpvOp op, uint32_t result_type,
uint32_t operand0, uint32_t operand1)
{
uint32_t operands[] = {operand0, operand1};
return vkd3d_spirv_build_op_trv(builder, stream, op, result_type,
operands, ARRAY_SIZE(operands));
}
static void vkd3d_spirv_build_op_capability(struct vkd3d_spirv_stream *stream,
SpvCapability cap)
{
vkd3d_spirv_build_op1(stream, SpvOpCapability, cap);
}
static void vkd3d_spirv_build_op_memory_model(struct vkd3d_spirv_stream *stream,
SpvAddressingModel addressing_model, SpvMemoryModel memory_model)
{
vkd3d_spirv_build_op2(stream, SpvOpMemoryModel, addressing_model, memory_model);
}
static void vkd3d_spirv_build_op_entry_point(struct vkd3d_spirv_stream *stream,
SpvExecutionModel model, uint32_t function_id, const char *name,
uint32_t *interface_list, unsigned int interface_size)
{
unsigned int i, name_size = vkd3d_spirv_string_word_count(name);
vkd3d_spirv_build_word(stream, vkd3d_spirv_opcode_word(SpvOpEntryPoint, 3 + name_size + interface_size));
vkd3d_spirv_build_word(stream, model);
vkd3d_spirv_build_word(stream, function_id);
vkd3d_spirv_build_string(stream, name, name_size);
for (i = 0; i < interface_size; ++i)
vkd3d_spirv_build_word(stream, interface_list[i]);
}
static void vkd3d_spirv_build_op_execution_mode(struct vkd3d_spirv_stream *stream,
uint32_t entry_point, SpvExecutionMode mode, uint32_t *literals, uint32_t literal_count)
{
vkd3d_spirv_build_op2v(stream, SpvOpExecutionMode, entry_point, mode, literals, literal_count);
}
static void vkd3d_spirv_build_op_name(struct vkd3d_spirv_builder *builder,
uint32_t id, const char *name)
{
unsigned int name_size = vkd3d_spirv_string_word_count(name);
struct vkd3d_spirv_stream *stream = &builder->debug_stream;
vkd3d_spirv_build_word(stream, vkd3d_spirv_opcode_word(SpvOpName, 2 + name_size));
vkd3d_spirv_build_word(stream, id);
vkd3d_spirv_build_string(stream, name, name_size);
}
static uint32_t vkd3d_spirv_build_op_type_void(struct vkd3d_spirv_builder *builder)
{
return vkd3d_spirv_build_op_r(builder, &builder->global_stream, SpvOpTypeVoid);
}
static uint32_t vkd3d_spirv_build_op_type_float(struct vkd3d_spirv_builder *builder,
uint32_t width)
{
return vkd3d_spirv_build_op_r1(builder, &builder->global_stream, SpvOpTypeFloat, width);
}
static uint32_t vkd3d_spirv_build_op_type_int(struct vkd3d_spirv_builder *builder,
uint32_t width, uint32_t signedness)
{
return vkd3d_spirv_build_op_r2(builder, &builder->global_stream, SpvOpTypeInt, width, signedness);
}
static uint32_t vkd3d_spirv_build_op_type_vector(struct vkd3d_spirv_builder *builder,
uint32_t component_type, uint32_t component_count)
{
return vkd3d_spirv_build_op_r2(builder, &builder->global_stream,
SpvOpTypeVector, component_type, component_count);
}
static uint32_t vkd3d_spirv_build_op_type_function(struct vkd3d_spirv_builder *builder,
uint32_t return_type, uint32_t *param_types, unsigned int param_count)
{
return vkd3d_spirv_build_op_r1v(builder, &builder->global_stream,
SpvOpTypeFunction, return_type, param_types, param_count);
}
static uint32_t vkd3d_spirv_build_op_type_pointer(struct vkd3d_spirv_builder *builder,
uint32_t storage_class, uint32_t type_id)
{
return vkd3d_spirv_build_op_r2(builder, &builder->global_stream,
SpvOpTypePointer, storage_class, type_id);
}
/* Initializers are not supported. */
static uint32_t vkd3d_spirv_build_op_variable(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, uint32_t type_id, uint32_t storage_class)
{
return vkd3d_spirv_build_op_tr1(builder, stream, SpvOpVariable, type_id, storage_class);
}
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static uint32_t vkd3d_spirv_build_op_function(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t function_control, uint32_t function_type)
{
return vkd3d_spirv_build_op_tr2(builder, &builder->function_stream,
SpvOpFunction, result_type, function_control, function_type);
}
static void vkd3d_spirv_build_op_function_end(struct vkd3d_spirv_builder *builder)
{
vkd3d_spirv_build_op(&builder->function_stream, SpvOpFunctionEnd);
}
static uint32_t vkd3d_spirv_build_op_label(struct vkd3d_spirv_builder *builder)
{
return vkd3d_spirv_build_op_r(builder, &builder->function_stream, SpvOpLabel);
}
static void vkd3d_spirv_build_op_return(struct vkd3d_spirv_builder *builder)
{
vkd3d_spirv_build_op(&builder->function_stream, SpvOpReturn);
}
static uint32_t vkd3d_spirv_get_type_id(struct vkd3d_spirv_builder *builder,
enum vkd3d_component_type component_type, unsigned int component_count)
{
uint32_t id, scalar_id;
assert(0 < component_count && component_count <= VKD3D_VEC4_SIZE);
if (!(id = builder->type_id[component_type][component_count - 1]))
{
if (component_count == 1)
{
switch (component_type)
{
case VKD3D_TYPE_VOID:
id = vkd3d_spirv_build_op_type_void(builder);
break;
case VKD3D_TYPE_FLOAT:
id = vkd3d_spirv_build_op_type_float(builder, 32);
break;
case VKD3D_TYPE_INT:
case VKD3D_TYPE_UINT:
id = vkd3d_spirv_build_op_type_int(builder, 32, component_type == VKD3D_TYPE_INT);
break;
default:
FIXME("Unhandled component type %#x.\n", component_type);
id = 0;
}
}
else
{
assert(component_type != VKD3D_TYPE_VOID);
scalar_id = vkd3d_spirv_get_type_id(builder, component_type, 1);
id = vkd3d_spirv_build_op_type_vector(builder, scalar_id, component_count);
}
builder->type_id[component_type][component_count - 1] = id;
}
return id;
}
static void vkd3d_spirv_builder_init(struct vkd3d_spirv_builder *builder)
{
uint32_t void_id, function_type_id;
vkd3d_spirv_stream_init(&builder->debug_stream);
vkd3d_spirv_stream_init(&builder->annotation_stream);
vkd3d_spirv_stream_init(&builder->global_stream);
vkd3d_spirv_stream_init(&builder->function_stream);
builder->current_id = 1;
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void_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_VOID, 1);
function_type_id = vkd3d_spirv_build_op_type_function(builder, void_id, NULL, 0);
builder->main_function_id = vkd3d_spirv_build_op_function(builder, void_id,
SpvFunctionControlMaskNone, function_type_id);
vkd3d_spirv_build_op_name(builder, builder->main_function_id, "main");
vkd3d_spirv_build_op_label(builder);
}
static void vkd3d_spirv_builder_free(struct vkd3d_spirv_builder *builder)
{
vkd3d_spirv_stream_free(&builder->debug_stream);
vkd3d_spirv_stream_free(&builder->annotation_stream);
vkd3d_spirv_stream_free(&builder->global_stream);
vkd3d_spirv_stream_free(&builder->function_stream);
}
static void vkd3d_spirv_build_execution_mode_declarations(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream)
{
if (builder->execution_model == SpvExecutionModelGLCompute)
{
vkd3d_spirv_build_op_execution_mode(stream, builder->main_function_id, SpvExecutionModeLocalSize,
builder->u.compute.local_size, ARRAY_SIZE(builder->u.compute.local_size));
}
}
static bool vkd3d_spirv_compile_module(struct vkd3d_spirv_builder *builder,
struct vkd3d_shader_code *spirv)
{
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uint64_t capability_mask = builder->capability_mask;
struct vkd3d_spirv_stream stream;
uint32_t *code;
unsigned int i;
size_t size;
vkd3d_spirv_build_op_function_end(builder);
vkd3d_spirv_stream_init(&stream);
vkd3d_spirv_build_word(&stream, SpvMagicNumber);
vkd3d_spirv_build_word(&stream, SpvVersion);
vkd3d_spirv_build_word(&stream, 0); /* generator */
vkd3d_spirv_build_word(&stream, builder->current_id); /* bound */
vkd3d_spirv_build_word(&stream, 0); /* schema, reserved */
for (i = 0; capability_mask; ++i)
{
if (capability_mask & 1)
vkd3d_spirv_build_op_capability(&stream, i);
capability_mask >>= 1;
}
vkd3d_spirv_build_op_memory_model(&stream, SpvAddressingModelLogical, SpvMemoryModelGLSL450);
vkd3d_spirv_build_op_entry_point(&stream, builder->execution_model, builder->main_function_id,
"main", NULL, 0);
vkd3d_spirv_build_execution_mode_declarations(builder, &stream);
vkd3d_spirv_stream_append(&stream, &builder->debug_stream);
vkd3d_spirv_stream_append(&stream, &builder->annotation_stream);
vkd3d_spirv_stream_append(&stream, &builder->global_stream);
vkd3d_spirv_stream_append(&stream, &builder->function_stream);
if (!(code = vkd3d_calloc(stream.word_count, sizeof(*code))))
{
vkd3d_spirv_stream_free(&stream);
return false;
}
size = stream.word_count * sizeof(*code);
memcpy(code, stream.words, size);
vkd3d_spirv_stream_free(&stream);
spirv->code = code;
spirv->size = size;
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struct vkd3d_symbol_pointer_type
{
uint32_t type_id;
SpvStorageClass storage_class;
};
struct vkd3d_symbol
{
struct rb_entry entry;
enum
{
VKD3D_SYMBOL_POINTER_TYPE,
} type;
union
{
struct vkd3d_symbol_pointer_type pointer_type;
} key;
uint32_t id;
union
{
SpvStorageClass storage_class;
} info;
};
static int vkd3d_symbol_compare(const void *key, const struct rb_entry *entry)
{
const struct vkd3d_symbol *a = key;
const struct vkd3d_symbol *b = RB_ENTRY_VALUE(entry, const struct vkd3d_symbol, entry);
if (a->type != b->type)
return a->type - b->type;
return memcmp(&a->key, &b->key, sizeof(a->key));
}
static void vkd3d_symbol_free(struct rb_entry *entry, void *context)
{
struct vkd3d_symbol *s = RB_ENTRY_VALUE(entry, struct vkd3d_symbol, entry);
vkd3d_free(s);
}
static void vkd3d_symbol_make_pointer_type(struct vkd3d_symbol *symbol,
uint32_t type_id, SpvStorageClass storage_class)
{
symbol->type = VKD3D_SYMBOL_POINTER_TYPE;
memset(&symbol->key, 0, sizeof(symbol->key));
symbol->key.pointer_type.type_id = type_id;
symbol->key.pointer_type.storage_class = storage_class;
}
static struct vkd3d_symbol *vkd3d_symbol_dup(const struct vkd3d_symbol *symbol)
{
struct vkd3d_symbol *s;
if (!(s = vkd3d_malloc(sizeof(*s))))
return NULL;
return memcpy(s, symbol, sizeof(*s));
}
struct vkd3d_dxbc_compiler
{
struct vkd3d_spirv_builder spirv_builder;
uint32_t options;
struct rb_tree symbol_table;
uint32_t temp_id;
unsigned int temp_count;
};
struct vkd3d_dxbc_compiler *vkd3d_dxbc_compiler_create(const struct vkd3d_shader_version *shader_version,
uint32_t compiler_options)
{
struct vkd3d_dxbc_compiler *compiler;
if (!(compiler = vkd3d_malloc(sizeof(*compiler))))
return NULL;
memset(compiler, 0, sizeof(*compiler));
vkd3d_spirv_builder_init(&compiler->spirv_builder);
compiler->options = compiler_options;
rb_init(&compiler->symbol_table, vkd3d_symbol_compare);
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switch (shader_version->type)
{
case VKD3D_SHADER_TYPE_VERTEX:
vkd3d_spirv_set_execution_model(&compiler->spirv_builder, SpvExecutionModelVertex);
break;
case VKD3D_SHADER_TYPE_HULL:
vkd3d_spirv_set_execution_model(&compiler->spirv_builder, SpvExecutionModelTessellationControl);
break;
case VKD3D_SHADER_TYPE_DOMAIN:
vkd3d_spirv_set_execution_model(&compiler->spirv_builder, SpvExecutionModelTessellationEvaluation);
break;
case VKD3D_SHADER_TYPE_GEOMETRY:
vkd3d_spirv_set_execution_model(&compiler->spirv_builder, SpvExecutionModelGeometry);
break;
case VKD3D_SHADER_TYPE_PIXEL:
vkd3d_spirv_set_execution_model(&compiler->spirv_builder, SpvExecutionModelFragment);
break;
case VKD3D_SHADER_TYPE_COMPUTE:
vkd3d_spirv_set_execution_model(&compiler->spirv_builder, SpvExecutionModelGLCompute);
break;
default:
ERR("Invalid shader type %#x.\n", shader_version->type);
}
return compiler;
}
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static void vkd3d_dxbc_compiler_put_symbol(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_symbol *symbol)
{
struct vkd3d_symbol *s;
s = vkd3d_symbol_dup(symbol);
if (rb_put(&compiler->symbol_table, s, &s->entry) == -1)
{
ERR("Failed to insert symbol entry.\n");
vkd3d_free(s);
}
}
static uint32_t vkd3d_dxbc_compiler_get_pointer_type(struct vkd3d_dxbc_compiler *compiler,
uint32_t type_id, SpvStorageClass storage_class)
{
struct vkd3d_symbol pointer_type;
struct rb_entry *entry;
vkd3d_symbol_make_pointer_type(&pointer_type, type_id, storage_class);
if ((entry = rb_get(&compiler->symbol_table, &pointer_type)))
return RB_ENTRY_VALUE(entry, struct vkd3d_symbol, entry)->id;
pointer_type.id = vkd3d_spirv_build_op_type_pointer(&compiler->spirv_builder, storage_class, type_id);
vkd3d_dxbc_compiler_put_symbol(compiler, &pointer_type);
return pointer_type.id;
}
static void vkd3d_dxbc_compiler_emit_dcl_temps(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
uint32_t type_id, ptr_type_id, id;
char debug_name[100];
unsigned int i;
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);
ptr_type_id = vkd3d_dxbc_compiler_get_pointer_type(compiler, type_id, SpvStorageClassFunction);
assert(!compiler->temp_count);
compiler->temp_count = instruction->declaration.count;
for (i = 0; i < compiler->temp_count; ++i)
{
id = vkd3d_spirv_build_op_variable(builder, &builder->function_stream,
ptr_type_id, SpvStorageClassFunction);
if (!i)
compiler->temp_id = id;
assert(id == compiler->temp_id + i);
sprintf(debug_name, "r%u", i);
vkd3d_spirv_build_op_name(builder, id, debug_name);
}
}
static void vkd3d_dxbc_compiler_emit_dcl_thread_group(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
const struct vkd3d_shader_thread_group_size *group_size = &instruction->declaration.thread_group_size;
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
vkd3d_spirv_set_local_size(builder, group_size->x, group_size->y, group_size->z);
}
static void vkd3d_dxbc_compiler_emit_return(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
vkd3d_spirv_build_op_return(&compiler->spirv_builder);
}
void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
switch (instruction->handler_idx)
{
case VKD3DSIH_DCL_TEMPS:
vkd3d_dxbc_compiler_emit_dcl_temps(compiler, instruction);
break;
case VKD3DSIH_DCL_THREAD_GROUP:
vkd3d_dxbc_compiler_emit_dcl_thread_group(compiler, instruction);
break;
case VKD3DSIH_RET:
vkd3d_dxbc_compiler_emit_return(compiler, instruction);
break;
default:
FIXME("Unhandled instruction %#x.\n", instruction->handler_idx);
}
}
bool vkd3d_dxbc_compiler_generate_spirv(struct vkd3d_dxbc_compiler *compiler,
struct vkd3d_shader_code *spirv)
{
if (!vkd3d_spirv_compile_module(&compiler->spirv_builder, spirv))
return false;
if (TRACE_ON())
{
vkd3d_spirv_dump(spirv);
vkd3d_spirv_validate(spirv);
}
return true;
}
void vkd3d_dxbc_compiler_destroy(struct vkd3d_dxbc_compiler *compiler)
{
vkd3d_spirv_builder_free(&compiler->spirv_builder);
rb_destroy(&compiler->symbol_table, vkd3d_symbol_free, NULL);
vkd3d_free(compiler);
}