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Started building the asset compiler

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This commit is contained in:
Kevin Trogant 2023-11-24 00:43:35 +01:00
parent 360bf6cf1c
commit 9f3f40249f
10 changed files with 416 additions and 95 deletions
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15
meson.build
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@ -56,10 +56,10 @@ runtime_lib = library('vyrt',
'src/runtime/aio.h',
'src/runtime/file_tab.h',
'src/runtime/buffer_manager.h',
'src/runtime/assets.h',
'src/runtime/error_report.c',
'src/runtime/gfx_main.c',
'src/runtime/gfx_shader_loading.c',
'src/runtime/config.c',
'src/runtime/runtime_cvars.c',
'src/runtime/threading_mutex.c',
@ -112,7 +112,20 @@ if vk_dep.found()
static_renderer_lib = vk_renderer_lib
endif
# Asset Compiler Tool
executable('assetc',
'src/tools/assetc/processing.h',
'src/tools/assetc/utils.h',
'src/tools/assetc/assetc.c',
'src/tools/assetc/processor.c',
'src/tools/assetc/shader_processor.c',
'src/tools/assetc/utils.c',
include_directories : incdir,
link_with : [runtime_lib],
win_subsystem : 'console')
# Game
game_link_libs = []
if get_option('default_library') == 'static'
game_link_libs = [runtime_lib, static_renderer_lib]

9
src/runtime/assets.h Normal file
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@ -0,0 +1,9 @@
#ifndef VY_ASSETS_H
#define VY_ASSETS_H
#include <stdint.h>
/* Unique identifier for an asset. */
typedef uint32_t vy_uid;
#endif

1
src/runtime/gfx.h
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@ -39,6 +39,7 @@ typedef enum {
VY_ATTRIBUTE_VALUE_UNDEFINED,
VY_ATTRIBUTE_VALUE_MATERIAL_ALBEDO,
VY_ATTRIBUTE_VALUE_MATERIAL_NORMAL,
} vy_attribute_value;
typedef struct {

8
src/runtime/gfx_main.c
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@ -21,9 +21,6 @@ VY_CVAR_S(rt_Renderer,
"Select the render backend. Available options: [vk], Default: vk",
"vk");
extern bool
vyLoadShaders(const char **paths, vy_shader *shaders, unsigned int count);
#ifdef VY_STATIC_LIB
extern void VY_RENDERER_API_FN(RegisterCVars)(void);
extern vy_result VY_RENDERER_API_FN(Init)(const vy_renderer_init_info *);
@ -98,11 +95,6 @@ VY_DLLEXPORT bool vyInitGFX(vy_renderer_init_info *renderer_info) {
if (g_renderer.Init(renderer_info) != VY_SUCCESS)
return false;
/* Init shader programs */
const char *shader_files[] = {"shader/cell.shader"};
vy_shader shaders[1];
if (!vyLoadShaders(shader_files, shaders, 1))
return false;
return true;
}

40
src/tools/assetc/assetc.c Normal file
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@ -0,0 +1,40 @@
#include "processing.h"
#include "runtime/aio.h"
#include "runtime/buffer_manager.h"
#include <stdlib.h>
extern vy_result vyProcessShaderFile(vy_file_id file,
void *buffer,
size_t size,
vy_processor_output *output);
int main(int argc, char **argv) {
/* Setup */
if (vyInitFileTab(4096) != VY_SUCCESS) {
return 1;
}
if (vyInitAIO(256) != VY_SUCCESS) {
return 1;
}
if (vyInitBufferManager() != VY_SUCCESS) {
return 1;
}
if (vyAddAssetProcessor(".shader", vyProcessShaderFile) != VY_SUCCESS)
return 1;
if (vyStartProcessing() != VY_SUCCESS) {
return 1;
}
vyAddFileToProcessingQueue(vyAddFile("shader\\cell.shader"));
while (1)
_sleep(10);
vyStopProcessing();
vyShutdownFileTab();
return 0;
}

27
src/tools/assetc/processing.h Normal file
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@ -0,0 +1,27 @@
#ifndef VY_ASSETC_PROCESSING_H
#define VY_ASSETC_PROCESSING_H
#include "runtime/file_tab.h"
#include "runtime/assets.h"
enum {
VY_PROCESSING_FAILED = VY_SUCCESS + 1,
/* Used if the processing depends on other files beeing processed first. */
VY_PROCESSING_TRY_AGAIN,
};
typedef struct {
vy_uid asset_uid;
} vy_processor_output;
typedef vy_result vy_processor_fn(vy_file_id file, void *buffer, size_t size, vy_processor_output *output);
vy_result vyAddAssetProcessor(const char *file_extension, vy_processor_fn fn);
vy_result vyAddFileToProcessingQueue(vy_file_id file);
vy_result vyStartProcessing(void);
void vyStopProcessing(void);
#endif

276
src/tools/assetc/processor.c Normal file
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@ -0,0 +1,276 @@
#include "processing.h"
#include "utils.h"
#include "runtime/file_tab.h"
#include "runtime/threading.h"
#include "runtime/aio.h"
#include "runtime/buffer_manager.h"
#include <string.h>
#include <assert.h>
typedef struct {
vy_file_id fid;
/* How many times has this file been added? */
unsigned int turn;
} vy_file_processing_queue_entry;
#define QUEUE_LENGTH 1024
typedef struct {
vy_file_processing_queue_entry entries[QUEUE_LENGTH];
unsigned int head;
unsigned int tail;
} vy_file_processing_queue;
static vy_file_processing_queue _processing_queue;
static vy_mutex *_guard;
static bool _keep_running;
static vy_result vyAddFileToProcessingQueueImpl(vy_file_id file, unsigned int turn) {
if (!_guard)
_guard = vyCreateMutex();
vy_result result = VY_SUCCESS;
vy_file_processing_queue_entry entry = {
.fid = file,
.turn = turn,
};
vyLockMutex(_guard);
if ((_processing_queue.tail + 1) % QUEUE_LENGTH != _processing_queue.head) {
unsigned int slot = _processing_queue.head;
_processing_queue.entries[slot] = entry;
_processing_queue.head = (_processing_queue.head + 1) % QUEUE_LENGTH;
} else {
vyReportError("ASSETC", "The processing queue is full!");
result = 1;
}
vyUnlockMutex(_guard);
return result;
}
vy_result vyAddFileToProcessingQueue(vy_file_id file) {
return vyAddFileToProcessingQueueImpl(file, 1);
}
#define MAX_PROCESSORS 256
static vy_processor_fn *_processor_fns[MAX_PROCESSORS];
static const char *_processor_exts[MAX_PROCESSORS];
static unsigned int _processor_count;
vy_result vyAddAssetProcessor(const char *file_extension, vy_processor_fn fn) {
/* Should only be called from main thread */
if (_processor_count == MAX_PROCESSORS) {
vyReportError("ASSETC", "Too many asset processor functions!");
return 1;
}
_processor_fns[_processor_count] = fn;
_processor_exts[_processor_count] = file_extension;
++_processor_count;
return VY_SUCCESS;
}
static void PopAndSwapSubmittedData(unsigned int at,
unsigned int *count,
vy_file_processing_queue_entry *queue_entries,
vy_aio_handle *handles,
void **buffers,
size_t *sizes) {
if (at < *count - 1) {
queue_entries[at] = queue_entries[*count - 1];
buffers[at] = buffers[*count - 1];
handles[at] = handles[*count - 1];
sizes[at] = sizes[*count - 1];
}
*count = *count - 1;
}
static void ProcessLoadedFile(vy_file_processing_queue_entry entry, void *buffer, size_t size) {
/* Search for a matching processor function */
const char *path = vyGetFilePath(entry.fid);
size_t path_len = strlen(path);
for (unsigned int i = 0; i < _processor_count; ++i) {
size_t ext_len = strlen(_processor_exts[i]);
if (ext_len > path_len)
continue;
const char *path_end = &path[path_len - ext_len];
if (memcmp(path_end, _processor_exts[i], ext_len) == 0) {
vy_processor_output out;
vy_result res = _processor_fns[i](entry.fid, buffer, size, &out);
if (res == VY_PROCESSING_FAILED) {
vyLog("ASSETC", "Failed to process file: %s", path);
} else if (res == VY_PROCESSING_TRY_AGAIN) {
if (entry.turn < 2) {
vyAddFileToProcessingQueueImpl(entry.fid, entry.turn + 1);
} else {
vyLog("ASSETC",
"File '%s' took too many turns to process: %u",
path,
entry.turn);
}
}
continue;
}
}
vyLog("ASSETC", "No asset processor for file: %s", path);
}
static void ProcessingThread(void *_param) {
VY_UNUSED(_param);
vy_file_processing_queue_entry submitted_entries[VY_LOAD_BATCH_MAX_SIZE];
vy_aio_handle submitted_handles[VY_LOAD_BATCH_MAX_SIZE];
void *submitted_buffers[VY_LOAD_BATCH_MAX_SIZE];
size_t submitted_sizes[VY_LOAD_BATCH_MAX_SIZE];
unsigned int submitted_outstanding = 0;
while (_keep_running) {
vy_load_batch load_batch;
vy_file_processing_queue_entry load_entries[VY_LOAD_BATCH_MAX_SIZE];
void *load_buffers[VY_LOAD_BATCH_MAX_SIZE];
size_t load_sizes[VY_LOAD_BATCH_MAX_SIZE];
load_batch.num_loads = 0;
bool got_entry = false;
do {
got_entry = false;
vy_file_processing_queue_entry entry;
vyLockMutex(_guard);
if (_processing_queue.head != _processing_queue.tail) {
unsigned int next = _processing_queue.tail;
entry = _processing_queue.entries[next];
_processing_queue.tail =
(_processing_queue.tail + 1) % QUEUE_LENGTH;
got_entry = true;
}
vyUnlockMutex(_guard);
if (!got_entry)
continue;
const char *path = vyGetFilePath(entry.fid);
if (!path) {
vyLog("ASSETC", "Invalid file id: %#x", entry.fid);
continue;
}
size_t fsz = vyGetFileSize(path);
void *dest = vyAllocBuffer(fsz);
if (!dest) {
vyLog("ASSETC",
"Ran out of memory for loading the file: %s",
path);
continue;
}
load_sizes[load_batch.num_loads] = fsz;
load_buffers[load_batch.num_loads] = dest;
load_batch.loads[load_batch.num_loads].file = entry.fid;
load_batch.loads[load_batch.num_loads].dest = dest;
load_batch.loads[load_batch.num_loads].num_bytes = fsz;
load_batch.loads[load_batch.num_loads].offset = 0;
load_entries[load_batch.num_loads] = entry;
++load_batch.num_loads;
}
while (got_entry && load_batch.num_loads < VY_LOAD_BATCH_MAX_SIZE);
vy_aio_handle load_handles[VY_LOAD_BATCH_MAX_SIZE];
if (load_batch.num_loads > 0) {
vy_result submit_result =
vySubmitLoadBatch(&load_batch, load_handles);
if (submit_result != VY_SUCCESS) {
vyLog("ASSETC", "SubmitLoadBatch failed: %u", submit_result);
continue;
}
}
/* Process the previously submitted loads */
while (submitted_outstanding > 0) {
for (unsigned int i = 0; i < submitted_outstanding; ++i) {
vy_aio_state state = vyGetAIOState(submitted_handles[i]);
switch (state) {
case VY_AIO_STATE_PENDING:
continue;
case VY_AIO_STATE_FAILED:
vyLog("ASSETC",
"Loading file %s failed.",
vyGetFilePath(submitted_entries[i].fid));
PopAndSwapSubmittedData(i,
&submitted_outstanding,
submitted_entries,
submitted_handles,
submitted_buffers,
submitted_sizes);
--i;
break;
case VY_AIO_STATE_INVALID:
vyLog("ASSETC",
"Got invalid AIO handle for file: %s",
vyGetFilePath(submitted_entries[i].fid));
PopAndSwapSubmittedData(i,
&submitted_outstanding,
submitted_entries,
submitted_handles,
submitted_buffers,
submitted_sizes);
--i;
break;
case VY_AIO_STATE_FINISHED:
ProcessLoadedFile(submitted_entries[i],
submitted_buffers[i],
submitted_sizes[i]);
PopAndSwapSubmittedData(i,
&submitted_outstanding,
submitted_entries,
submitted_handles,
submitted_buffers,
submitted_sizes);
--i;
}
}
}
/* Start new round */
assert(sizeof(submitted_entries) == sizeof(load_entries));
assert(sizeof(submitted_handles) == sizeof(load_handles));
assert(sizeof(submitted_buffers) == sizeof(load_buffers));
assert(sizeof(submitted_sizes) == sizeof(load_sizes));
memcpy(submitted_entries, load_entries, sizeof(submitted_entries));
memcpy(submitted_handles, load_handles, sizeof(submitted_handles));
memcpy(submitted_buffers, load_buffers, sizeof(submitted_buffers));
memcpy(submitted_sizes, load_sizes, sizeof(submitted_sizes));
submitted_outstanding = load_batch.num_loads;
}
}
#define NUM_PROCESSING_THREADS 8
vy_thread *_processing_threads[NUM_PROCESSING_THREADS];
vy_result vyStartProcessing(void) {
if (!_guard)
_guard = vyCreateMutex();
_keep_running = true;
for (unsigned int i = 0; i < NUM_PROCESSING_THREADS; ++i) {
_processing_threads[i] = vySpawnThread(ProcessingThread, NULL);
if (!_processing_threads[i]) {
vyReportError("ASSETC", "Failed to spawn processing thread %u!", i);
_keep_running = false;
return 1;
}
}
return VY_SUCCESS;
}
void vyStopProcessing(void) {
_keep_running = false;
for (unsigned int i = 0; i < NUM_PROCESSING_THREADS; ++i)
vyJoinThread(_processing_threads[i]);
}

106
src/runtime/gfx_shader_loading.c → src/tools/assetc/shader_processor.c
View File

@ -1,8 +1,3 @@
/* TODO(Kevin):
* This should move into a standalone tool.
*/
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
@ -11,11 +6,12 @@
#include <stdlib.h>
#include <string.h>
#include "aio.h"
#include "gfx.h"
#include "handles.h"
#include "renderer_api.h"
#include "runtime.h"
#include "runtime/aio.h"
#include "runtime/gfx.h"
#include "runtime/handles.h"
#include "runtime/runtime.h"
#include "processing.h"
typedef enum {
VY_STMT_FORM_VALUE,
@ -269,44 +265,6 @@ static const vy_parsed_stmt *FindStatement(const vy_parse_state *state,
return NULL;
}
#if 0
static vy_fio_handle DispatchFileRead(vy_text_span path) {
vy_file_id fid = vyAddFileFromSpan(path);
if (fid == 0)
return 0;
vy_fio_handle fio = vyEnqueueRead(fid);
return fio;
}
static vy_fio_handle DispatchShaderRead(const char *shader,
const vy_parse_state *state,
unsigned int root_list,
const char *file_path) {
const vy_parsed_stmt *path = FindStatement(state, root_list, shader);
if (!path) {
return 0;
}
if (path->form != VY_STMT_FORM_VALUE) {
vyReportError("GFX",
"Expected simple value for attribute \"%s\" in %s\n",
shader,
file_path);
return 0;
}
return DispatchFileRead(path->value);
}
#endif
static vy_gfx_pipeline_handle CreatePipeline(vy_parse_state *state,
const char *file_path,
unsigned int root_list) {
/* Process the data */
vy_aio_handle reads[3];
vy_load_batch read_batch = {.num_loads = 0};
return (vy_gfx_pipeline_handle){0};
}
static bool ParseBindingIndex(vy_text_span span, unsigned int *index) {
if (span.length == 0)
return false;
@ -332,6 +290,8 @@ static bool ParseBindingIndex(vy_text_span span, unsigned int *index) {
static vy_attribute_value ParseBindingValue(vy_text_span span) {
if (CompareSpanToString(span, "MATERIAL_ALBEDO")) {
return VY_ATTRIBUTE_VALUE_MATERIAL_ALBEDO;
} else if (CompareSpanToString(span, "MATERIAL_NORMAL")) {
return VY_ATTRIBUTE_VALUE_MATERIAL_NORMAL;
}
vyReportError("GFX",
"Unsupported binding value %*.s",
@ -420,11 +380,13 @@ ParseShaderFile(vy_file_id fid, const char *text, size_t length, vy_shader *shad
DbgPrintShaderFile(&state, root_list, 0);
#if 0
shader->pipeline = CreatePipeline(&state, file_path, root_list);
if (!VY_IS_HANDLE_VALID(shader->pipeline)) {
result = false;
goto out;
}
#endif
/* Process bindings */
shader->texture_bindings = NULL;
@ -470,42 +432,14 @@ out:
return result;
}
bool vyLoadShaders(const char **paths, vy_shader *shaders, unsigned int count) {
vy_aio_handle aios[64];
vy_file_id fids[64];
for (unsigned int i = 0; i < count; i += 64) {
unsigned int chunk_size = count - i;
if (chunk_size > 64)
chunk_size = 64;
vy_load_batch chunk;
chunk.num_loads = chunk_size;
for (unsigned int j = 0; j < chunk_size; ++j) {
vy_file_id fid = vyAddFile(paths[i + j]);
if (!fid)
return false;
fids[j] = fid;
/* Setup the chunk
chunk.loads[j].offset = 0;
chunk.loads[j].file = fid;
chunk.loads[j].
*/
}
unsigned int remaining = chunk_size;
while (remaining > 0) {
for (unsigned int j = 0; j < chunk_size; ++j) {
switch (vyGetAIOState(aios[j])) {
case VY_AIO_STATE_FINISHED:
/*
ParseShaderFile(fids[j], fbuf, &shaders[i + j]);
vyFreeFileBuffer(fbuf);
*/
--remaining;
}
}
}
vy_result vyProcessShaderFile(vy_file_id file,
void *buffer,
size_t size,
vy_processor_output *output) {
vy_shader tmp;
if (ParseShaderFile(file, buffer, size, &tmp)) {
return VY_SUCCESS;
} else {
return VY_PROCESSING_FAILED;
}
return true;
}
}

23
src/tools/assetc/utils.c Normal file
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@ -0,0 +1,23 @@
#include "utils.h"
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#endif
size_t vyGetFileSize(const char *path) {
#ifdef _WIN32
WCHAR wpath[MAX_PATH];
MultiByteToWideChar(CP_UTF8,
MB_PRECOMPOSED,
path,
-1,
wpath,
MAX_PATH);
WIN32_FILE_ATTRIBUTE_DATA attribs;
if (!GetFileAttributesExW(wpath, GetFileExInfoStandard, &attribs))
return 0;
return (size_t)attribs.nFileSizeHigh << 32 | (size_t)attribs.nFileSizeLow;
#endif
}

6
src/tools/assetc/utils.h Normal file
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@ -0,0 +1,6 @@
#ifndef VY_ASSETC_UTILS_H
#define VY_ASSETC_UTILS_H
size_t vyGetFileSize(const char *path);
#endif