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Win32: Make thread functions backend independent

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This is work towards allowing the Null backend to build for Windows
using the Win32 threading API, without the Win32 backend being enabled.
This commit is contained in:
Camilla Löwy 2021-07-18 20:31:26 +02:00
parent f5758d75d0
commit 35f3b58c21
4 changed files with 51 additions and 21 deletions
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2
src/CMakeLists.txt
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@ -22,7 +22,7 @@ if (_GLFW_COCOA)
nsgl_context.m egl_context.c osmesa_context.c)
elseif (_GLFW_WIN32)
target_compile_definitions(glfw PRIVATE _GLFW_WIN32)
target_sources(glfw PRIVATE win32_platform.h win32_joystick.h
target_sources(glfw PRIVATE win32_platform.h win32_joystick.h win32_thread.h
win32_init.c win32_joystick.c win32_monitor.c
win32_time.c win32_thread.c win32_window.c
wgl_context.c egl_context.c osmesa_context.c)

19
src/win32_platform.h
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@ -356,6 +356,7 @@ typedef struct VkWin32SurfaceCreateInfoKHR
typedef VkResult (APIENTRY *PFN_vkCreateWin32SurfaceKHR)(VkInstance,const VkWin32SurfaceCreateInfoKHR*,const VkAllocationCallbacks*,VkSurfaceKHR*);
typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR)(VkPhysicalDevice,uint32_t);
#include "win32_thread.h"
#include "win32_joystick.h"
#if !defined(_GLFW_WNDCLASSNAME)
@ -367,8 +368,6 @@ typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR)(
#define _GLFW_PLATFORM_LIBRARY_TIMER_STATE _GLFWtimerWin32 win32
#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorWin32 win32
#define _GLFW_PLATFORM_CURSOR_STATE _GLFWcursorWin32 win32
#define _GLFW_PLATFORM_TLS_STATE _GLFWtlsWin32 win32
#define _GLFW_PLATFORM_MUTEX_STATE _GLFWmutexWin32 win32
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextWGL wgl
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryWGL wgl
@ -536,22 +535,6 @@ typedef struct _GLFWtimerWin32
uint64_t frequency;
} _GLFWtimerWin32;
// Win32-specific thread local storage data
//
typedef struct _GLFWtlsWin32
{
GLFWbool allocated;
DWORD index;
} _GLFWtlsWin32;
// Win32-specific mutex data
//
typedef struct _GLFWmutexWin32
{
GLFWbool allocated;
CRITICAL_SECTION section;
} _GLFWmutexWin32;
GLFWbool _glfwRegisterWindowClassWin32(void);
void _glfwUnregisterWindowClassWin32(void);

3
src/win32_thread.c
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@ -43,8 +43,7 @@ GLFWbool _glfwPlatformCreateTls(_GLFWtls* tls)
tls->win32.index = TlsAlloc();
if (tls->win32.index == TLS_OUT_OF_INDEXES)
{
_glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
"Win32: Failed to allocate TLS index");
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to allocate TLS index");
return GLFW_FALSE;
}

48
src/win32_thread.h Normal file
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@ -0,0 +1,48 @@
//========================================================================
// GLFW 3.4 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2017 Camilla Löwy <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include <windows.h>
#define _GLFW_PLATFORM_TLS_STATE _GLFWtlsWin32 win32
#define _GLFW_PLATFORM_MUTEX_STATE _GLFWmutexWin32 win32
// Win32-specific thread local storage data
//
typedef struct _GLFWtlsWin32
{
GLFWbool allocated;
DWORD index;
} _GLFWtlsWin32;
// Win32-specific mutex data
//
typedef struct _GLFWmutexWin32
{
GLFWbool allocated;
CRITICAL_SECTION section;
} _GLFWmutexWin32;