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ref, feat: Restructure

Browse Source 
- The renderer backend is now its own library, loaded at runtime.
- Removed GLFW dependency, instead use win32 directly.
- Broke linux window creation, because it's not implemented yet.
  - Maybe use GLFW for linux?
This commit is contained in:
Kevin Trogant 2023-10-17 00:54:51 +02:00
parent 63e3f973b2
commit 81798df3e9
29 changed files with 720 additions and 321 deletions
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60
include/fio.h
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@ -1,60 +0,0 @@
#ifndef VY_FIO_H
#define VY_FIO_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "voyage.h"
enum
{
VY_FILE_BUFFER_FLAG_FILE_NOT_FOUND = 0x1,
VY_FILE_BUFFER_FLAG_READ_FAILED = 0x2,
};
typedef struct {
void *data;
size_t size;
uint32_t flags;
} vy_file_buffer;
inline bool vyWasFileBufferSuccessful(const vy_file_buffer *fb) {
return fb->flags == 0;
}
/* used to identify a file (XXH3 hash of the path) */
typedef uint64_t vy_file_id;
typedef unsigned int vy_fio_handle;
typedef struct {
unsigned int queue_size;
unsigned int max_file_count;
} vy_fio_config;
bool vyInitFIO(const vy_fio_config *config);
void vyShutdownFIO(void);
vy_file_id vyGetFileId(const char *path);
vy_file_id vyGetFileIdFromSpan(vy_text_span path);
vy_file_id vyAddFile(const char *path);
vy_file_id vyAddFileFromSpan(vy_text_span path);
const char *vyGetFilePath(vy_file_id fid);
vy_fio_handle vyEnqueueRead(vy_file_id fid);
void vyAbortFIO(vy_fio_handle fio);
bool vyIsFIOFinished(vy_fio_handle fio);
bool vyRetrieveReadBuffer(vy_fio_handle fio, vy_file_buffer *buffer);
void vyFreeFileBuffer(vy_file_buffer buffer);
#endif

29
include/gfx_backend.h
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@ -1,29 +0,0 @@
#ifndef VY_GFX_BACKEND_H
#define VY_GFX_BACKEND_H
/* Backend functions and types. */
#include <stddef.h>
#include "gfx.h"
typedef struct {
const char *compute_source;
size_t compute_source_length;
} vy_compute_pipeline_info;
typedef struct {
const char *vertex_source;
size_t vertex_source_length;
const char *fragment_source;
size_t fragment_source_length;
} vy_graphics_pipeline_info;
vy_gfx_pipeline_id
vyCompileComputePipeline(const vy_compute_pipeline_info *info);
vy_gfx_pipeline_id
vyCompileGraphicsPipeline(const vy_graphics_pipeline_info *info);
#endif

18
include/threading.h
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@ -1,18 +0,0 @@
#ifndef VY_THREADING_H
#define VY_THREADING_H
/* platform independent threading */
#include <stdbool.h>
typedef struct vy_mutex_s vy_mutex;
vy_mutex *vyCreateMutex(void);
void vyDestroyMutex(vy_mutex *mutex);
bool vyLockMutex(vy_mutex *mutex);
bool vyUnlockMutex(vy_mutex *mutex);
#endif

74
meson.build
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@ -22,42 +22,64 @@ elif compiler.get_argument_syntax() == 'msvc'
endif
# Debug specific flags
if buildtype == 'debug'
if buildtype == 'debug' or buildtype == 'debugoptimized'
add_project_arguments([ '-DDEBUG'], language : 'c')
endif
# "Select" renderer backend
# Currently only OpenGL is supported
add_project_arguments([ '-DRENDERER_GL'], language : 'c')
# Gather dependencies
thread_dep = dependency('threads')
m_dep = compiler.find_library('m', required : false)
glfw_proj = subproject('glfw', default_options : 'default_library=static')
glfw_dep = glfw_proj.get_variable('glfw_dep')
vk_dep = dependency('vulkan', required : false)
incdir = include_directories(['contrib', 'include'])
# glfw_proj = subproject('glfw', default_options : 'default_library=static')
# glfw_dep = glfw_proj.get_variable('glfw_dep')
executable('voyage',
incdir = include_directories(['contrib', 'src'])
runtime_lib = library('vyrt',
# Project Sources
'include/voyage.h',
'include/gfx.h',
'include/gfx_backend.h',
'include/fio.h',
'include/config.h',
'include/threading.h',
'src/runtime/runtime.h',
'src/runtime/gfx.h',
'src/runtime/renderer_api.h',
'src/runtime/fio.h',
'src/runtime/config.h',
'src/runtime/threading.h',
'src/runtime/app.h',
'src/runtime/dynamic_libs.h',
'src/voyage.c',
'src/fio.c',
'src/error_report.c',
'src/gfx_main.c',
'src/gfx_shader_loading.c',
'src/gfx_pipelines.c',
'src/config.c',
'src/threading.c',
'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.c',
'src/runtime/fio.c',
'src/runtime/app.c',
'src/runtime/dynamic_libs.c',
# Contrib Sources
'contrib/glad/glad.c',
'contrib/xxhash/xxhash.c',
dependencies : [thread_dep, m_dep, glfw_dep],
include_directories: incdir)
dependencies : [thread_dep, m_dep],
include_directories : incdir,
c_pch : 'pch/rt_pch.h')
if vk_dep.found()
vk_renderer_lib = library('vyvk',
# Project Sources
'src/renderer/vk/gpu.h',
'src/renderer/vk/init.c',
'src/renderer/vk/gfx_pipelines.c',
dependencies : [m_dep, vk_dep],
include_directories : incdir,
link_with : [runtime_lib],
c_pch : 'pch/vk_pch.h')
endif
executable('voyage',
'src/game/voyage.c',
include_directories : incdir,
link_with : [runtime_lib],
win_subsystem : 'windows')

1
pch/rt_pch.h Normal file
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@ -0,0 +1 @@
#include <Windows.h>

1
pch/vk_pch.h Normal file
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@ -0,0 +1 @@
#include <vulkan/vulkan.h>

15
src/game/voyage.c Normal file
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@ -0,0 +1,15 @@
#include "runtime/app.h"
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
int WINAPI wWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
PWSTR pCmdLine,
int nCmdShow) {
return vyWin32Entry(hInstance, hPrevInstance, pCmdLine, nCmdShow);
}
#endif

23
src/gfx_main.c
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@ -1,23 +0,0 @@
#include <glad/glad.h>
#include "gfx.h"
/* Attributes are used to bind buffers (or textures) to symbolic values.
* For example, an attribute might be bound to "CELL_GRID", which would be
* replaced with the (at the time of the invoke) grid buffer of the current
* world cell.
*/
bool vyLoadShaders(const char **paths, vy_shader *shaders, unsigned int count);
bool vyInitRenderer(void) {
/* Init shader programs */
const char *shader_files[] = {"shader/cell.shader"};
vy_shader shaders[1];
if (!vyLoadShaders(shader_files, shaders, 1))
return false;
return true;
}
void vyShutdownRenderer(void) {
}

24
src/gfx_pipelines.c → src/renderer/vk/gfx_pipelines.c
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@ -1,11 +1,11 @@
#include <glad/glad.h>
#include "runtime/runtime.h"
#include "runtime/gfx.h"
#include "gfx.h"
#include "gfx_backend.h"
#include "voyage.h"
#include "runtime/renderer_api.h"
typedef struct {
GLuint prog;
unsigned int prog;
} vy_gl_pipeline;
#define NUM_SLOTS 256
@ -52,8 +52,9 @@ static void ReleasePipelineSlot(vy_gfx_pipeline_id id) {
_storage.generation_in_use[slot] &= ~0x1;
}
vy_gfx_pipeline_id
VY_DLLEXPORT vy_gfx_pipeline_id
vyCompileComputePipeline(const vy_compute_pipeline_info *info) {
#if 0
char info_log[512];
GLuint prog = glCreateProgram();
@ -86,16 +87,18 @@ vyCompileComputePipeline(const vy_compute_pipeline_info *info) {
return (vy_gfx_pipeline_id){0};
}
glDeleteShader(shader);
#endif
vy_gl_pipeline pipeline;
pipeline.prog = prog;
pipeline.prog = 0;
return StorePipeline(pipeline);
}
vy_gfx_pipeline_id
VY_DLLEXPORT vy_gfx_pipeline_id
vyCompileGraphicsPipeline(const vy_graphics_pipeline_info *info) {
char info_log[512];
#if 0
char info_log[512];
GLuint prog = glCreateProgram();
GLuint vertex_shader = glCreateShader(GL_VERTEX_SHADER);
GLuint fragment_shader = glCreateShader(GL_FRAGMENT_SHADER);
@ -148,8 +151,9 @@ vyCompileGraphicsPipeline(const vy_graphics_pipeline_info *info) {
glDeleteShader(vertex_shader);
glDeleteShader(fragment_shader);
#endif
vy_gl_pipeline pipeline;
pipeline.prog = prog;
pipeline.prog = 0;
return StorePipeline(pipeline);
}

15
src/renderer/vk/gpu.h Normal file
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@ -0,0 +1,15 @@
#ifndef VY_VK_GPU_H
#define VY_VK_GPU_H
#include <vulkan/vulkan.h>
typedef struct {
VkInstance instance;
VkAllocationCallbacks *alloc_cb;
} vy_vk_gpu;
#ifndef VY_VK_DONT_DEFINE_GPU_GLOBAL
extern vy_vk_gpu g_gpu;
#endif
#endif

137
src/renderer/vk/init.c Normal file
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@ -0,0 +1,137 @@
#include <stdlib.h>
#include <malloc.h>
#define VY_VK_DONT_DEFINE_GPU_GLOBAL
#include "gpu.h"
#include "runtime/runtime.h"
#include "runtime/renderer_api.h"
#include "runtime/config.h"
VY_CVAR_I(r_EnableAPIAllocTracking,
"Enable tracking of allocations done by the vulkan api. [0/1] Default: 0",
0);
typedef struct {
size_t allocated;
size_t reallocated;
size_t freed;
size_t max_alignment;
} vy_vk_alloc_stats;
vy_vk_gpu g_gpu;
static VkAllocationCallbacks _tracking_alloc_cbs;
static vy_vk_alloc_stats _alloc_stats;
static const char *AllocationScopeToString(VkSystemAllocationScope scope)
{
switch (scope) {
case VK_SYSTEM_ALLOCATION_SCOPE_COMMAND:
return "COMMAND";
case VK_SYSTEM_ALLOCATION_SCOPE_OBJECT:
return "OBJECT";
case VK_SYSTEM_ALLOCATION_SCOPE_CACHE:
return "CACHE";
case VK_SYSTEM_ALLOCATION_SCOPE_DEVICE:
return "DEVICE";
case VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE:
return "INSTANCE";
default:
return "UNKNOWN";
}
}
static void LogAllocationStats(const vy_vk_alloc_stats *stats) {
vyLog("vk",
"Allocated: %zu bytes. Reallocated: %zu bytes. Max. requested "
"alignment: %zu bytes",
stats->allocated,
stats->reallocated,
stats->max_alignment);
}
static void *TrackAllocation(void *userData, size_t size, size_t alignment, VkSystemAllocationScope scope) {
vy_vk_alloc_stats *stats = userData;
if (alignment > stats->max_alignment)
stats->max_alignment = alignment;
stats->allocated += size;
vyLog("vk",
"Allocation. Size: %zu, Alignment: %zu, Scope: %s",
size,
alignment,
AllocationScopeToString(scope));
LogAllocationStats(stats);
return _aligned_malloc(size, alignment);
}
static void *TrackReallocation(void *userData,
void *original,
size_t size,
size_t alignment,
VkSystemAllocationScope scope) {
vy_vk_alloc_stats *stats = userData;
if (alignment > stats->max_alignment)
stats->max_alignment = alignment;
stats->reallocated += size;
vyLog("vk",
"Reallocation. Size: %zu, Alignment: %zu, Scope: %s",
size,
alignment,
AllocationScopeToString(scope));
LogAllocationStats(stats);
return _aligned_realloc(original, size, alignment);
}
static void TrackFree(void *userData, void *memory) {
vy_vk_alloc_stats *stats = userData;
vyLog("vk", "Free.");
LogAllocationStats(stats);
free(memory);
}
VY_DLLEXPORT int vyInit(const vy_renderer_init_info *info) {
vyLog("vk", "Init");
vyRegisterCVAR(&r_EnableAPIAllocTracking);
_tracking_alloc_cbs.pUserData = &_alloc_stats;
_tracking_alloc_cbs.pfnAllocation = TrackAllocation;
_tracking_alloc_cbs.pfnReallocation = TrackReallocation;
_tracking_alloc_cbs.pfnFree = TrackFree;
if (r_EnableAPIAllocTracking.i) {
g_gpu.alloc_cb = &_tracking_alloc_cbs;
} else {
g_gpu.alloc_cb = NULL;
}
VkResult result;
VkApplicationInfo app_info = {
.apiVersion = VK_API_VERSION_1_0,
.applicationVersion = 0x00001000,
.engineVersion = 0x00001000,
.pEngineName = "voyage",
.pApplicationName = "Voyage",
};
VkInstanceCreateInfo instance_info = {
.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
.pApplicationInfo = &app_info,
};
result = vkCreateInstance(&instance_info, g_gpu.alloc_cb, &g_gpu.instance);
if (result != VK_SUCCESS) {
vyReportError("vk", "Failed to create the vulkan instance!");
return 1;
}
return 0;
}
VY_DLLEXPORT void vyShutdown(void) {
vyLog("vk", "Shutdown");
vkDestroyInstance(g_gpu.instance, g_gpu.alloc_cb);
}

130
src/runtime/app.c Normal file
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@ -0,0 +1,130 @@
#include "app.h"
#include "fio.h"
#include "gfx.h"
#include "config.h"
#include "renderer_api.h"
extern void __RegisterRuntimeCVars(void);
VY_CVAR_I(rt_Fullscreen, "Show window in fullscreen mode. [0/1] Default: 0", 0);
VY_CVAR_I(rt_WindowWidth, "Window width. Default: 1024", 1024);
VY_CVAR_I(rt_WindowHeight, "Window height. Default: 768", 768);
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
static LRESULT CALLBACK win32WndProc(HWND hWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam) {
switch (uMsg) {
case WM_CLOSE:
PostQuitMessage(0);
return 0;
default:
return DefWindowProcW(hWnd, uMsg, wParam, lParam);
}
}
VY_DLLEXPORT int vyWin32Entry(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
PWSTR pCmdLine,
int nCmdShow) {
__RegisterRuntimeCVars();
vy_fio_config fio_config = {0};
if (!vyInitFIO(&fio_config)) {
vyReportError("FIO", "Init failed.");
return 1;
}
WNDCLASSEXW wndclass = {
.cbSize = sizeof(wndclass),
.hInstance = hInstance,
.lpszClassName = L"vyWndClass",
.style = CS_OWNDC,
.lpfnWndProc = win32WndProc,
};
if (!RegisterClassExW(&wndclass)) {
vyReportError("CORE", "RegisterClassEx failed: %u", GetLastError());
return 1;
}
HWND wnd = NULL;
if (rt_Fullscreen.i) {
/* Fullscreen window */
int w = GetSystemMetrics(SM_CXSCREEN);
int h = GetSystemMetrics(SM_CYSCREEN);
wnd = CreateWindowExW(WS_EX_APPWINDOW,
L"vyWndClass",
L"Voyage",
WS_POPUP,
0,
0,
w,
h,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(wnd, SW_SHOW);
} else {
/* Windowed mode */
int w = rt_WindowWidth.i;
int h = rt_WindowHeight.i;
wnd = CreateWindowExW(WS_EX_APPWINDOW,
L"vyWndClass",
L"Voyage",
WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU,
CW_USEDEFAULT,
CW_USEDEFAULT,
w,
h,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(wnd, SW_SHOW);
}
if (!wnd) {
vyReportError("CORE",
"Failed to create the game window: %u",
GetLastError());
return 1;
}
vy_renderer_init_info renderer_info = {.hWnd = wnd, .hInstance = hInstance};
if (!vyInitGFX(&renderer_info)) {
vyReportError("GFX", "Init failed.");
return 1;
}
/* Main Loop */
bool keep_running = true;
while (keep_running) {
MSG msg;
while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE)) {
if (msg.message == WM_QUIT) {
keep_running = false;
} else {
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
}
vyShutdownGFX();
DestroyWindow(wnd);
UnregisterClassW(L"vyWndClass", hInstance);
vyShutdownFIO();
return 0;
}
#endif

20
src/runtime/app.h Normal file
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@ -0,0 +1,20 @@
#ifndef VY_APP_H
#define VY_APP_H
/* Platform specific application entry point */
#include "runtime.h"
#ifdef _WIN32
/* Forward declared here, to avoid including windows.h */
struct HINSTANCE__;
VY_DLLEXPORT int vyWin32Entry(struct HINSTANCE__ *hInstance,
struct HINSTANCE__ *hPrevInstance,
wchar_t *pCmdLine,
int nCmdShow);
#endif
#endif

2
src/config.c → src/runtime/config.c
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@ -1,6 +1,6 @@
#include "config.h"
#include "threading.h"
#include "voyage.h"
#include "runtime.h"
#include <stddef.h>
#include <string.h>

6
include/config.h → src/runtime/config.h
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@ -1,6 +1,8 @@
#ifndef VY_CONFIG_H
#define VY_CONFIG_H
#include "runtime.h"
typedef enum
{
VY_CVAR_TYPE_INT,
@ -36,8 +38,8 @@ typedef struct
.s = (v), \
.type = VY_CVAR_TYPE_STRING}
void vyRegisterCVAR(vy_cvar *cvar);
VY_DLLEXPORT void vyRegisterCVAR(vy_cvar *cvar);
vy_cvar *vyGetCVAR(const char *name);
VY_DLLEXPORT vy_cvar *vyGetCVAR(const char *name);
#endif

43
src/runtime/dynamic_libs.c Normal file
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@ -0,0 +1,43 @@
#include "dynamic_libs.h"
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
VY_DLLEXPORT vy_dynlib vyOpenLib(const char *libname) {
wchar_t libname_w[MAX_PATH];
MultiByteToWideChar(CP_UTF8,
MB_PRECOMPOSED,
libname,
-1,
libname_w,
MAX_PATH);
HMODULE mod = LoadLibraryW(libname_w);
return (vy_dynlib)mod;
}
VY_DLLEXPORT void *vyGetSymbol(vy_dynlib lib, const char *symbol) {
return (void*)GetProcAddress((HMODULE)lib, symbol);
}
VY_DLLEXPORT void vyCloseLib(vy_dynlib lib) {
FreeLibrary((HMODULE)lib);
}
#elif defined(__linux__)
#include <dlfcn.h>
VY_DLLEXPORT vy_dynlib vyOpenLib(const char *libname) {
return dlopen(libname, RTLD_NOW | RTLD_LOCAL);
}
VY_DLLEXPORT void *vyGetSymbol(vy_dynlib lib, const char *symbol) {
return dlsym(lib, symbol);
}
VY_DLLEXPORT void vyCloseLib(vy_dynlib lib) {
dlclose(lib);
}
#endif

20
src/runtime/dynamic_libs.h Normal file
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@ -0,0 +1,20 @@
#ifndef VY_DYNAMIC_LIBS_H
#define VY_DYNAMIC_LIBS_H
#include "runtime.h"
#ifdef _WIN32
#define VY_DLLNAME(s) (s".dll")
#elif defined(__linux__)
#define VY_DLLNAME(s) ("lib"s".so")
#endif
typedef void *vy_dynlib;
VY_DLLEXPORT vy_dynlib vyOpenLib(const char *libname);
VY_DLLEXPORT void *vyGetSymbol(vy_dynlib lib, const char *symbol);
VY_DLLEXPORT void vyCloseLib(vy_dynlib lib);
#endif

6
src/error_report.c → src/runtime/error_report.c
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@ -1,7 +1,7 @@
#include <stdarg.h>
#include <stdio.h>
#include "voyage.h"
#include "runtime.h"
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
@ -40,7 +40,7 @@ static void LogOut(const char *text)
#endif
}
void vyReportError(const char *subsystem, const char *fmt, ...) {
VY_DLLEXPORT void vyReportError(const char *subsystem, const char *fmt, ...) {
char buf[256];
int at = snprintf(buf, VY_ARRAY_COUNT(buf) - 1, "[%s] ", subsystem);
@ -54,7 +54,7 @@ void vyReportError(const char *subsystem, const char *fmt, ...) {
DisplayErrorBox(buf);
}
void vyLog(const char *subsystem, const char *fmt, ...) {
VY_DLLEXPORT void vyLog(const char *subsystem, const char *fmt, ...) {
char buf[256];
int at = snprintf(buf, VY_ARRAY_COUNT(buf) - 1, "[%s] ", subsystem);

21
src/fio.c → src/runtime/fio.c
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@ -139,7 +139,7 @@ static void *linuxFIOThreadProc(void *);
static DWORD WINAPI win32FIOThreadProc(_In_ LPVOID);
#endif
bool vyInitFIO(const vy_fio_config *config) {
VY_DLLEXPORT bool vyInitFIO(const vy_fio_config *config) {
unsigned int queue_size = (config->queue_size) ? config->queue_size : 512;
unsigned int max_file_count =
(config->max_file_count) ? config->max_file_count : 512;
@ -165,7 +165,7 @@ bool vyInitFIO(const vy_fio_config *config) {
return true;
}
void vyShutdownFIO(void) {
VY_DLLEXPORT void vyShutdownFIO(void) {
#ifdef __linux__
pthread_cancel(_thread);
pthread_join(_thread, NULL);
@ -199,7 +199,7 @@ vy_file_id vyGetFileIdFromSpan(vy_text_span path) {
return fid;
}
vy_file_id vyAddFileFromSpan(vy_text_span path) {
VY_DLLEXPORT vy_file_id vyAddFileFromSpan(vy_text_span path) {
vy_file_id fid = vyGetFileIdFromSpan(path);
#ifdef __linux__
@ -246,14 +246,14 @@ vy_file_id vyAddFileFromSpan(vy_text_span path) {
return fid;
}
vy_file_id vyAddFile(const char *path) {
VY_DLLEXPORT vy_file_id vyAddFile(const char *path) {
vy_text_span span;
span.start = path;
span.length = (unsigned int)strlen(path);
return vyAddFileFromSpan(span);
}
const char *vyGetFilePath(vy_file_id fid) {
VY_DLLEXPORT const char *vyGetFilePath(vy_file_id fid) {
/* Hash Lookup */
if (fid == 0)
return NULL;
@ -286,7 +286,7 @@ const char *vyGetFilePath(vy_file_id fid) {
return result;
}
vy_fio_handle vyEnqueueRead(vy_file_id fid) {
VY_DLLEXPORT vy_fio_handle vyEnqueueRead(vy_file_id fid) {
vy_fio_handle handle = 0;
do {
@ -326,7 +326,7 @@ vy_fio_handle vyEnqueueRead(vy_file_id fid) {
return handle;
}
void vyAbortFIO(vy_fio_handle fio) {
VY_DLLEXPORT void vyAbortFIO(vy_fio_handle fio) {
if (fio == 0)
return;
#ifdef __linux__
@ -346,7 +346,7 @@ void vyAbortFIO(vy_fio_handle fio) {
#endif
}
bool vyIsFIOFinished(vy_fio_handle fio) {
VY_DLLEXPORT bool vyIsFIOFinished(vy_fio_handle fio) {
if (fio == 0)
return false;
#ifdef __linux__
@ -363,7 +363,8 @@ bool vyIsFIOFinished(vy_fio_handle fio) {
return result;
}
bool vyRetrieveReadBuffer(vy_fio_handle fio, vy_file_buffer *buffer) {
VY_DLLEXPORT bool vyRetrieveReadBuffer(vy_fio_handle fio,
vy_file_buffer *buffer) {
if (fio == 0)
return false;
@ -394,7 +395,7 @@ bool vyRetrieveReadBuffer(vy_fio_handle fio, vy_file_buffer *buffer) {
return is_finished;
}
void vyFreeFileBuffer(vy_file_buffer buffer) {
VY_DLLEXPORT void vyFreeFileBuffer(vy_file_buffer buffer) {
free(buffer.data);
}

61
src/runtime/fio.h Normal file
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@ -0,0 +1,61 @@
#ifndef VY_FIO_H
#define VY_FIO_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "runtime.h"
enum
{
VY_FILE_BUFFER_FLAG_FILE_NOT_FOUND = 0x1,
VY_FILE_BUFFER_FLAG_READ_FAILED = 0x2,
};
typedef struct {
void *data;
size_t size;
uint32_t flags;
} vy_file_buffer;
inline bool vyWasFileBufferSuccessful(const vy_file_buffer *fb) {
return fb->flags == 0;
}
/* used to identify a file (XXH3 hash of the path) */
typedef uint64_t vy_file_id;
typedef unsigned int vy_fio_handle;
typedef struct {
unsigned int queue_size;
unsigned int max_file_count;
} vy_fio_config;
VY_DLLEXPORT bool vyInitFIO(const vy_fio_config *config);
VY_DLLEXPORT void vyShutdownFIO(void);
VY_DLLEXPORT vy_file_id vyGetFileId(const char *path);
VY_DLLEXPORT vy_file_id vyGetFileIdFromSpan(vy_text_span path);
VY_DLLEXPORT vy_file_id vyAddFile(const char *path);
VY_DLLEXPORT vy_file_id vyAddFileFromSpan(vy_text_span path);
VY_DLLEXPORT const char *vyGetFilePath(vy_file_id fid);
VY_DLLEXPORT vy_fio_handle vyEnqueueRead(vy_file_id fid);
VY_DLLEXPORT void vyAbortFIO(vy_fio_handle fio);
VY_DLLEXPORT bool vyIsFIOFinished(vy_fio_handle fio);
VY_DLLEXPORT bool vyRetrieveReadBuffer(vy_fio_handle fio,
vy_file_buffer *buffer);
VY_DLLEXPORT void vyFreeFileBuffer(vy_file_buffer buffer);
#endif

12
include/gfx.h → src/runtime/gfx.h
View File

@ -1,8 +1,6 @@
#ifndef VY_GFX_H
#define VY_GFX_H
#include <stdint.h>
/* graphics system. this is the interface of the rendering code.
*
* we need (at least) three different renderers:
@ -11,11 +9,17 @@
* - object renderer (for static models)
*/
#include <stdint.h>
#include <stdbool.h>
bool vyInitRenderer(void);
#include "runtime.h"
void vyShutdownRenderer(void);
/* In renderer_api.h -> Not necessary for almost all gfx usage */
typedef struct vy_renderer_init_info_s vy_renderer_init_info;
VY_DLLEXPORT bool vyInitGFX(vy_renderer_init_info *renderer_info);
VY_DLLEXPORT void vyShutdownGFX(void);
/* Generational indices for backend objects */
typedef struct {

75
src/runtime/gfx_main.c Normal file
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@ -0,0 +1,75 @@
#include <string.h>
#define VY_DONT_DEFINE_RENDERER_GLOBAL
#include "gfx.h"
#include "renderer_api.h"
#include "config.h"
#include "dynamic_libs.h"
/* Attributes are used to bind buffers (or textures) to symbolic values.
* For example, an attribute might be bound to "CELL_GRID", which would be
* replaced with the (at the time of the invoke) grid buffer of the current
* world cell.
*/
vy_renderer_api g_renderer;
static vy_dynlib _renderer_lib;
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);
static bool LoadRenderer(void)
{
#define RETRIEVE_SYMBOL(name, type) \
g_renderer.name = (type *)vyGetSymbol(_renderer_lib, "vy" #name); \
if (!g_renderer.name) { \
vyReportError( \
"GFX", \
"Unable to retrieve renderer function %s from backend %s", \
#name, rt_Renderer.s); \
}
if (strcmp(rt_Renderer.s, "vk") == 0) {
_renderer_lib = vyOpenLib(VY_DLLNAME("vyvk"));
if (!_renderer_lib) {
vyReportError("GFX",
"Unable to load renderer backend: %s",
VY_DLLNAME("vyvk"));
return false;
}
RETRIEVE_SYMBOL(Init, vy_init_renderer_fn);
RETRIEVE_SYMBOL(Shutdown, vy_shutdown_renderer_fn);
RETRIEVE_SYMBOL(CompileComputePipeline, vy_compile_compute_pipeline_fn);
RETRIEVE_SYMBOL(CompileGraphicsPipeline,
vy_compile_graphics_pipeline_fn);
return true;
} else {
vyReportError("GFX", "Unsupported renderer backend: (%s) %s", rt_Renderer.name, rt_Renderer.s);
return false;
}
#undef RETRIEVE_SYMBOL
}
VY_DLLEXPORT bool vyInitGFX(vy_renderer_init_info *renderer_info) {
if (!LoadRenderer())
return false;
if (g_renderer.Init(renderer_info) != 0)
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;
}
VY_DLLEXPORT void vyShutdownGFX(void) {
g_renderer.Shutdown();
}

12
src/gfx_shader_loading.c → src/runtime/gfx_shader_loading.c
View File

@ -6,10 +6,10 @@
#include <stdlib.h>
#include <string.h>
#include "runtime.h"
#include "fio.h"
#include "gfx.h"
#include "gfx_backend.h"
#include "voyage.h"
#include "renderer_api.h"
typedef enum {
VY_STMT_FORM_VALUE,
@ -289,7 +289,7 @@ static vy_fio_handle DispatchShaderRead(const char *shader,
return DispatchFileRead(path->value);
}
static vy_gfx_pipeline_id LinkProgram(vy_parse_state *state,
static vy_gfx_pipeline_id CreatePipeline(vy_parse_state *state,
const char *file_path,
unsigned int root_list) {
/* Process the data */
@ -324,7 +324,7 @@ static vy_gfx_pipeline_id LinkProgram(vy_parse_state *state,
vy_compute_pipeline_info info;
info.compute_source = compute_code.data;
info.compute_source_length = compute_code.size;
vy_gfx_pipeline_id pipeline = vyCompileComputePipeline(&info);
vy_gfx_pipeline_id pipeline = g_renderer.CompileComputePipeline(&info);
vyFreeFileBuffer(compute_code);
return pipeline;
} else if (vertex_read || fragment_read) {
@ -386,7 +386,7 @@ static vy_gfx_pipeline_id LinkProgram(vy_parse_state *state,
}
}
vy_gfx_pipeline_id pipeline = vyCompileGraphicsPipeline(&info);
vy_gfx_pipeline_id pipeline = g_renderer.CompileGraphicsPipeline(&info);
vyFreeFileBuffer(vertex_code);
vyFreeFileBuffer(fragment_code);
return pipeline;
@ -515,7 +515,7 @@ ParseShaderFile(vy_file_id fid, vy_file_buffer fbuf, vy_shader *shader) {
DbgPrintShaderFile(&state, root_list, 0);
shader->pipeline = LinkProgram(&state, file_path, root_list);
shader->pipeline = CreatePipeline(&state, file_path, root_list);
if (!VY_IS_GFX_ID_VALID(shader->pipeline)) {
result = false;
goto out;

53
src/runtime/renderer_api.h Normal file
View File

@ -0,0 +1,53 @@
#ifndef VY_GFX_BACKEND_H
#define VY_GFX_BACKEND_H
/* Backend functions and types. */
#include <stddef.h>
#include "gfx.h"
#ifdef _WIN32
struct HINSTANCE__;
struct HWND__;
#endif
struct vy_renderer_init_info_s {
#ifdef _WIN32
struct HINSTANCE__ *hInstance;
struct HWND__ *hWnd;
#endif
};
typedef struct {
const char *compute_source;
size_t compute_source_length;
} vy_compute_pipeline_info;
typedef struct {
const char *vertex_source;
size_t vertex_source_length;
const char *fragment_source;
size_t fragment_source_length;
} vy_graphics_pipeline_info;
typedef int vy_init_renderer_fn(const vy_renderer_init_info *info);
typedef void vy_shutdown_renderer_fn(void);
typedef vy_gfx_pipeline_id
vy_compile_compute_pipeline_fn(const vy_compute_pipeline_info *info);
typedef vy_gfx_pipeline_id
vy_compile_graphics_pipeline_fn(const vy_graphics_pipeline_info *info);
typedef struct {
vy_init_renderer_fn *Init;
vy_shutdown_renderer_fn *Shutdown;
vy_compile_compute_pipeline_fn *CompileComputePipeline;
vy_compile_graphics_pipeline_fn *CompileGraphicsPipeline;
} vy_renderer_api;
#ifndef VY_DONT_DEFINE_RENDERER_GLOBAL
extern vy_renderer_api g_renderer;
#endif
#endif

10
include/voyage.h → src/runtime/runtime.h
View File

@ -5,6 +5,12 @@
#include <stddef.h>
#ifdef _WIN32
#define VY_DLLEXPORT __declspec(dllexport)
#else
#define VY_DLLEXPORT
#endif
#define VY_UNUSED(x) ((void)sizeof((x)))
#define VY_ARRAY_COUNT(x) (sizeof((x)) / sizeof((x)[0]))
@ -13,8 +19,8 @@ typedef struct {
unsigned int length;
} vy_text_span;
void vyReportError(const char *subsystem, const char *fmt, ...);
VY_DLLEXPORT void vyReportError(const char *subsystem, const char *fmt, ...);
void vyLog(const char *subsystem, const char *fmt, ...);
VY_DLLEXPORT void vyLog(const char *subsystem, const char *fmt, ...);
#endif

14
src/runtime/runtime_cvars.c Normal file
View File

@ -0,0 +1,14 @@
#include "config.h"
extern vy_cvar rt_Renderer;
extern vy_cvar rt_Fullscreen;
extern vy_cvar rt_WindowWidth;
extern vy_cvar rt_WindowHeight;
void __RegisterRuntimeCVars(void)
{
vyRegisterCVAR(&rt_Renderer);
vyRegisterCVAR(&rt_Fullscreen);
vyRegisterCVAR(&rt_WindowWidth);
vyRegisterCVAR(&rt_WindowHeight);
}

20
src/threading.c → src/runtime/threading.c
View File

@ -1,5 +1,5 @@
#include "threading.h"
#include "voyage.h"
#include "runtime.h"
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
@ -15,7 +15,7 @@ static vy_mutex _mutex[MAX_MUTEX];
static ptrdiff_t _first_reusable = MAX_MUTEX;
static ptrdiff_t _next = 0;
vy_mutex *vyCreateMutex(void) {
VY_DLLEXPORT vy_mutex *vyCreateMutex(void) {
if (_first_reusable < MAX_MUTEX) {
vy_mutex *mtx = &_mutex[_first_reusable];
_first_reusable = mtx->next_reusable;
@ -35,18 +35,18 @@ vy_mutex *vyCreateMutex(void) {
return NULL;
}
void vyDestroyMutex(vy_mutex *mutex) {
VY_DLLEXPORT void vyDestroyMutex(vy_mutex *mutex) {
ptrdiff_t index = mutex - &_mutex[0];
mutex->next_reusable = _first_reusable;
_first_reusable = index;
}
bool vyLockMutex(vy_mutex *mutex) {
VY_DLLEXPORT bool vyLockMutex(vy_mutex *mutex) {
return WaitForSingleObject(mutex->handle, INFINITE) == WAIT_OBJECT_0;
}
bool vyUnlockMutex(vy_mutex *mutex) {
return ReleaseMutex(mutex) != 0;
VY_DLLEXPORT bool vyUnlockMutex(vy_mutex *mutex) {
return ReleaseMutex(mutex->handle) != 0;
}
#elif defined(__linux__)
@ -62,7 +62,7 @@ static vy_mutex _mutex[MAX_MUTEX];
static ptrdiff_t _first_reusable = MAX_MUTEX;
static ptrdiff_t _next = 0;
vy_mutex *vyCreateMutex(void) {
VY_DLLEXPORT vy_mutex *vyCreateMutex(void) {
if (_first_reusable < MAX_MUTEX) {
vy_mutex *mtx = &_mutex[_first_reusable];
_first_reusable = mtx->next_reusable;
@ -81,17 +81,17 @@ vy_mutex *vyCreateMutex(void) {
return NULL;
}
void vyDestroyMutex(vy_mutex *mutex) {
VY_DLLEXPORT void vyDestroyMutex(vy_mutex *mutex) {
ptrdiff_t index = mutex - &_mutex[0];
mutex->next_reusable = _first_reusable;
_first_reusable = index;
}
bool vyLockMutex(vy_mutex *mutex) {
VY_DLLEXPORT bool vyLockMutex(vy_mutex *mutex) {
return pthread_mutex_lock(&mutex->handle) == 0;
}
bool vyUnlockMutex(vy_mutex *mutex) {
VY_DLLEXPORT bool vyUnlockMutex(vy_mutex *mutex) {
return pthread_mutex_unlock(&mutex->handle) == 0;
}

20
src/runtime/threading.h Normal file
View File

@ -0,0 +1,20 @@
#ifndef VY_THREADING_H
#define VY_THREADING_H
/* platform independent threading */
#include <stdbool.h>
#include "runtime.h"
typedef struct vy_mutex_s vy_mutex;
VY_DLLEXPORT vy_mutex *vyCreateMutex(void);
VY_DLLEXPORT void vyDestroyMutex(vy_mutex *mutex);
VY_DLLEXPORT bool vyLockMutex(vy_mutex *mutex);
VY_DLLEXPORT bool vyUnlockMutex(vy_mutex *mutex);
#endif

115
src/voyage.c
View File

@ -1,115 +0,0 @@
#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "fio.h"
#include "gfx.h"
#include "threading.h"
static void glfw_error_cb(int err, const char *description) {
fprintf(stderr, "[GLFW] %u: %s\n", err, description);
}
static void make_window_windowed_fullscreen(GLFWwindow *window,
GLFWmonitor *monitor) {
const GLFWvidmode *mode = glfwGetVideoMode(monitor);
glfwSetWindowMonitor(window,
monitor,
0,
0,
mode->width,
mode->height,
mode->refreshRate);
}
static void make_window_windowed(GLFWwindow *window, int w, int h) {
glfwSetWindowMonitor(window, NULL, 0, 0, w, h, GLFW_DONT_CARE);
}
typedef struct {
int f1;
int esc;
} key_states;
int main(int argc, char **argv) {
glfwSetErrorCallback(glfw_error_cb);
if (!glfwInit()) {
return 1;
}
printf("[GFLW] Version: %s\n", glfwGetVersionString());
/* Create a windowed full screen window */
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 5);
GLFWwindow *window = glfwCreateWindow(640, 480, "Voyage", NULL, NULL);
if (!window) {
fprintf(stderr, "[GFX] Window creation failed.\n");
return 1;
}
glfwMakeContextCurrent(window);
glfwSwapInterval(1);
if (!gladLoadGL()) {
fprintf(stderr, "[GFX] OpenGL load failed.\n");
return 1;
}
vy_fio_config fio_config = {0};
if (!vyInitFIO(&fio_config)) {
fprintf(stderr, "[FIO] Init failed.\n");
return 1;
}
if (!vyInitRenderer()) {
fprintf(stderr, "[GFX] Init failed.\n");
return 1;
}
printf("GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS: %u\n",
GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS);
printf("GL_MAX_UNIFORM_BUFFER_BINDINGS: %u\n",
GL_MAX_UNIFORM_BUFFER_BINDINGS);
key_states prev_keys = {0};
int window_state = 0;
while (!glfwWindowShouldClose(window)) {
/* Gather input */
key_states keys;
keys.f1 = glfwGetKey(window, GLFW_KEY_F1);
keys.esc = glfwGetKey(window, GLFW_KEY_ESCAPE);
if (keys.f1 && !prev_keys.f1) {
if (window_state)
make_window_windowed(window, 640, 480);
else
make_window_windowed_fullscreen(window,
glfwGetPrimaryMonitor());
window_state = !window_state;
}
if (keys.esc)
glfwSetWindowShouldClose(window, GLFW_TRUE);
int fbw, fbh;
glfwGetFramebufferSize(window, &fbw, &fbh);
glViewport(0, 0, fbw, fbh);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers(window);
glfwPollEvents();
prev_keys = keys;
}
vyShutdownRenderer();
vyShutdownFIO();
glfwDestroyWindow(window);
glfwTerminate();
return 0;
}