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WIP: use Duckstation's context code to directly render into QT Widget from separate thread without two OpenGL contexts

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currently only works on Windows
This commit is contained in:
RSDuck
2022-10-04 12:21:16 +02:00
parent ce68e883c4
commit ef763aa569
27 changed files with 9664 additions and 299 deletions
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340
src/glad/glad_glx.c Normal file
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@ -0,0 +1,340 @@
/*
GLX loader generated by glad 0.1.36 on Thu Sep 15 11:07:33 2022.
Language/Generator: C/C++
Specification: glx
APIs: glx=1.4
Profile: -
Extensions:
Loader: True
Local files: True
Omit khrplatform: False
Reproducible: False
Commandline:
--api="glx=1.4" --generator="c" --spec="glx" --local-files --extensions=""
Online:
https://glad.dav1d.de/#language=c&specification=glx&loader=on&api=glx%3D1.4
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "glad_glx.h"
static void* get_proc(const char *namez);
#if defined(_WIN32) || defined(__CYGWIN__)
#ifndef _WINDOWS_
#undef APIENTRY
#endif
#include <windows.h>
static HMODULE libGL;
typedef void* (APIENTRYP PFNWGLGETPROCADDRESSPROC_PRIVATE)(const char*);
static PFNWGLGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
#ifdef _MSC_VER
#ifdef __has_include
#if __has_include(<winapifamily.h>)
#define HAVE_WINAPIFAMILY 1
#endif
#elif _MSC_VER >= 1700 && !_USING_V110_SDK71_
#define HAVE_WINAPIFAMILY 1
#endif
#endif
#ifdef HAVE_WINAPIFAMILY
#include <winapifamily.h>
#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
#define IS_UWP 1
#endif
#endif
static
int open_glx(void) {
#ifndef IS_UWP
libGL = LoadLibraryW(L"opengl32.dll");
if(libGL != NULL) {
void (* tmp)(void);
tmp = (void(*)(void)) GetProcAddress(libGL, "wglGetProcAddress");
gladGetProcAddressPtr = (PFNWGLGETPROCADDRESSPROC_PRIVATE) tmp;
return gladGetProcAddressPtr != NULL;
}
#endif
return 0;
}
static
void close_glx(void) {
if(libGL != NULL) {
FreeLibrary((HMODULE) libGL);
libGL = NULL;
}
}
#else
#include <dlfcn.h>
static void* libGL;
#if !defined(__APPLE__) && !defined(__HAIKU__)
typedef void* (APIENTRYP PFNGLXGETPROCADDRESSPROC_PRIVATE)(const char*);
static PFNGLXGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
#endif
static
int open_glx(void) {
#ifdef __APPLE__
static const char *NAMES[] = {
"../Frameworks/OpenGL.framework/OpenGL",
"/Library/Frameworks/OpenGL.framework/OpenGL",
"/System/Library/Frameworks/OpenGL.framework/OpenGL",
"/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"
};
#else
static const char *NAMES[] = {"libGL.so.1", "libGL.so"};
#endif
unsigned int index = 0;
for(index = 0; index < (sizeof(NAMES) / sizeof(NAMES[0])); index++) {
libGL = dlopen(NAMES[index], RTLD_NOW | RTLD_GLOBAL);
if(libGL != NULL) {
#if defined(__APPLE__) || defined(__HAIKU__)
return 1;
#else
gladGetProcAddressPtr = (PFNGLXGETPROCADDRESSPROC_PRIVATE)dlsym(libGL,
"glXGetProcAddressARB");
return gladGetProcAddressPtr != NULL;
#endif
}
}
return 0;
}
static
void close_glx(void) {
if(libGL != NULL) {
dlclose(libGL);
libGL = NULL;
}
}
#endif
static
void* get_proc(const char *namez) {
void* result = NULL;
if(libGL == NULL) return NULL;
#if !defined(__APPLE__) && !defined(__HAIKU__)
if(gladGetProcAddressPtr != NULL) {
result = gladGetProcAddressPtr(namez);
}
#endif
if(result == NULL) {
#if defined(_WIN32) || defined(__CYGWIN__)
result = (void*)GetProcAddress((HMODULE) libGL, namez);
#else
result = dlsym(libGL, namez);
#endif
}
return result;
}
int gladLoadGLX(Display *dpy, int screen) {
int status = 0;
if(open_glx()) {
status = gladLoadGLXLoader((GLADloadproc)get_proc, dpy, screen);
}
return status;
}
void gladUnloadGLX(void) {
close_glx();
}
static Display *GLADGLXDisplay = 0;
static int GLADGLXscreen = 0;
static int get_exts(void) {
return 1;
}
static void free_exts(void) {
return;
}
static int has_ext(const char *ext) {
const char *terminator;
const char *loc;
const char *extensions;
if(!GLAD_GLX_VERSION_1_1)
return 0;
extensions = glXQueryExtensionsString(GLADGLXDisplay, GLADGLXscreen);
if(extensions == NULL || ext == NULL)
return 0;
while(1) {
loc = strstr(extensions, ext);
if(loc == NULL)
break;
terminator = loc + strlen(ext);
if((loc == extensions || *(loc - 1) == ' ') &&
(*terminator == ' ' || *terminator == '\0'))
{
return 1;
}
extensions = terminator;
}
return 0;
}
int GLAD_GLX_VERSION_1_0 = 0;
int GLAD_GLX_VERSION_1_1 = 0;
int GLAD_GLX_VERSION_1_2 = 0;
int GLAD_GLX_VERSION_1_3 = 0;
int GLAD_GLX_VERSION_1_4 = 0;
PFNGLXCHOOSEFBCONFIGPROC glad_glXChooseFBConfig = NULL;
PFNGLXCHOOSEVISUALPROC glad_glXChooseVisual = NULL;
PFNGLXCOPYCONTEXTPROC glad_glXCopyContext = NULL;
PFNGLXCREATECONTEXTPROC glad_glXCreateContext = NULL;
PFNGLXCREATEGLXPIXMAPPROC glad_glXCreateGLXPixmap = NULL;
PFNGLXCREATENEWCONTEXTPROC glad_glXCreateNewContext = NULL;
PFNGLXCREATEPBUFFERPROC glad_glXCreatePbuffer = NULL;
PFNGLXCREATEPIXMAPPROC glad_glXCreatePixmap = NULL;
PFNGLXCREATEWINDOWPROC glad_glXCreateWindow = NULL;
PFNGLXDESTROYCONTEXTPROC glad_glXDestroyContext = NULL;
PFNGLXDESTROYGLXPIXMAPPROC glad_glXDestroyGLXPixmap = NULL;
PFNGLXDESTROYPBUFFERPROC glad_glXDestroyPbuffer = NULL;
PFNGLXDESTROYPIXMAPPROC glad_glXDestroyPixmap = NULL;
PFNGLXDESTROYWINDOWPROC glad_glXDestroyWindow = NULL;
PFNGLXGETCLIENTSTRINGPROC glad_glXGetClientString = NULL;
PFNGLXGETCONFIGPROC glad_glXGetConfig = NULL;
PFNGLXGETCURRENTCONTEXTPROC glad_glXGetCurrentContext = NULL;
PFNGLXGETCURRENTDISPLAYPROC glad_glXGetCurrentDisplay = NULL;
PFNGLXGETCURRENTDRAWABLEPROC glad_glXGetCurrentDrawable = NULL;
PFNGLXGETCURRENTREADDRAWABLEPROC glad_glXGetCurrentReadDrawable = NULL;
PFNGLXGETFBCONFIGATTRIBPROC glad_glXGetFBConfigAttrib = NULL;
PFNGLXGETFBCONFIGSPROC glad_glXGetFBConfigs = NULL;
PFNGLXGETPROCADDRESSPROC glad_glXGetProcAddress = NULL;
PFNGLXGETSELECTEDEVENTPROC glad_glXGetSelectedEvent = NULL;
PFNGLXGETVISUALFROMFBCONFIGPROC glad_glXGetVisualFromFBConfig = NULL;
PFNGLXISDIRECTPROC glad_glXIsDirect = NULL;
PFNGLXMAKECONTEXTCURRENTPROC glad_glXMakeContextCurrent = NULL;
PFNGLXMAKECURRENTPROC glad_glXMakeCurrent = NULL;
PFNGLXQUERYCONTEXTPROC glad_glXQueryContext = NULL;
PFNGLXQUERYDRAWABLEPROC glad_glXQueryDrawable = NULL;
PFNGLXQUERYEXTENSIONPROC glad_glXQueryExtension = NULL;
PFNGLXQUERYEXTENSIONSSTRINGPROC glad_glXQueryExtensionsString = NULL;
PFNGLXQUERYSERVERSTRINGPROC glad_glXQueryServerString = NULL;
PFNGLXQUERYVERSIONPROC glad_glXQueryVersion = NULL;
PFNGLXSELECTEVENTPROC glad_glXSelectEvent = NULL;
PFNGLXSWAPBUFFERSPROC glad_glXSwapBuffers = NULL;
PFNGLXUSEXFONTPROC glad_glXUseXFont = NULL;
PFNGLXWAITGLPROC glad_glXWaitGL = NULL;
PFNGLXWAITXPROC glad_glXWaitX = NULL;
static void load_GLX_VERSION_1_0(GLADloadproc load) {
if(!GLAD_GLX_VERSION_1_0) return;
glad_glXChooseVisual = (PFNGLXCHOOSEVISUALPROC)load("glXChooseVisual");
glad_glXCreateContext = (PFNGLXCREATECONTEXTPROC)load("glXCreateContext");
glad_glXDestroyContext = (PFNGLXDESTROYCONTEXTPROC)load("glXDestroyContext");
glad_glXMakeCurrent = (PFNGLXMAKECURRENTPROC)load("glXMakeCurrent");
glad_glXCopyContext = (PFNGLXCOPYCONTEXTPROC)load("glXCopyContext");
glad_glXSwapBuffers = (PFNGLXSWAPBUFFERSPROC)load("glXSwapBuffers");
glad_glXCreateGLXPixmap = (PFNGLXCREATEGLXPIXMAPPROC)load("glXCreateGLXPixmap");
glad_glXDestroyGLXPixmap = (PFNGLXDESTROYGLXPIXMAPPROC)load("glXDestroyGLXPixmap");
glad_glXQueryExtension = (PFNGLXQUERYEXTENSIONPROC)load("glXQueryExtension");
glad_glXQueryVersion = (PFNGLXQUERYVERSIONPROC)load("glXQueryVersion");
glad_glXIsDirect = (PFNGLXISDIRECTPROC)load("glXIsDirect");
glad_glXGetConfig = (PFNGLXGETCONFIGPROC)load("glXGetConfig");
glad_glXGetCurrentContext = (PFNGLXGETCURRENTCONTEXTPROC)load("glXGetCurrentContext");
glad_glXGetCurrentDrawable = (PFNGLXGETCURRENTDRAWABLEPROC)load("glXGetCurrentDrawable");
glad_glXWaitGL = (PFNGLXWAITGLPROC)load("glXWaitGL");
glad_glXWaitX = (PFNGLXWAITXPROC)load("glXWaitX");
glad_glXUseXFont = (PFNGLXUSEXFONTPROC)load("glXUseXFont");
}
static void load_GLX_VERSION_1_1(GLADloadproc load) {
if(!GLAD_GLX_VERSION_1_1) return;
glad_glXQueryExtensionsString = (PFNGLXQUERYEXTENSIONSSTRINGPROC)load("glXQueryExtensionsString");
glad_glXQueryServerString = (PFNGLXQUERYSERVERSTRINGPROC)load("glXQueryServerString");
glad_glXGetClientString = (PFNGLXGETCLIENTSTRINGPROC)load("glXGetClientString");
}
static void load_GLX_VERSION_1_2(GLADloadproc load) {
if(!GLAD_GLX_VERSION_1_2) return;
glad_glXGetCurrentDisplay = (PFNGLXGETCURRENTDISPLAYPROC)load("glXGetCurrentDisplay");
}
static void load_GLX_VERSION_1_3(GLADloadproc load) {
if(!GLAD_GLX_VERSION_1_3) return;
glad_glXGetFBConfigs = (PFNGLXGETFBCONFIGSPROC)load("glXGetFBConfigs");
glad_glXChooseFBConfig = (PFNGLXCHOOSEFBCONFIGPROC)load("glXChooseFBConfig");
glad_glXGetFBConfigAttrib = (PFNGLXGETFBCONFIGATTRIBPROC)load("glXGetFBConfigAttrib");
glad_glXGetVisualFromFBConfig = (PFNGLXGETVISUALFROMFBCONFIGPROC)load("glXGetVisualFromFBConfig");
glad_glXCreateWindow = (PFNGLXCREATEWINDOWPROC)load("glXCreateWindow");
glad_glXDestroyWindow = (PFNGLXDESTROYWINDOWPROC)load("glXDestroyWindow");
glad_glXCreatePixmap = (PFNGLXCREATEPIXMAPPROC)load("glXCreatePixmap");
glad_glXDestroyPixmap = (PFNGLXDESTROYPIXMAPPROC)load("glXDestroyPixmap");
glad_glXCreatePbuffer = (PFNGLXCREATEPBUFFERPROC)load("glXCreatePbuffer");
glad_glXDestroyPbuffer = (PFNGLXDESTROYPBUFFERPROC)load("glXDestroyPbuffer");
glad_glXQueryDrawable = (PFNGLXQUERYDRAWABLEPROC)load("glXQueryDrawable");
glad_glXCreateNewContext = (PFNGLXCREATENEWCONTEXTPROC)load("glXCreateNewContext");
glad_glXMakeContextCurrent = (PFNGLXMAKECONTEXTCURRENTPROC)load("glXMakeContextCurrent");
glad_glXGetCurrentReadDrawable = (PFNGLXGETCURRENTREADDRAWABLEPROC)load("glXGetCurrentReadDrawable");
glad_glXQueryContext = (PFNGLXQUERYCONTEXTPROC)load("glXQueryContext");
glad_glXSelectEvent = (PFNGLXSELECTEVENTPROC)load("glXSelectEvent");
glad_glXGetSelectedEvent = (PFNGLXGETSELECTEDEVENTPROC)load("glXGetSelectedEvent");
}
static void load_GLX_VERSION_1_4(GLADloadproc load) {
if(!GLAD_GLX_VERSION_1_4) return;
glad_glXGetProcAddress = (PFNGLXGETPROCADDRESSPROC)load("glXGetProcAddress");
}
static int find_extensionsGLX(void) {
if (!get_exts()) return 0;
(void)&has_ext;
free_exts();
return 1;
}
static void find_coreGLX(Display *dpy, int screen) {
int major = 0, minor = 0;
if(dpy == 0 && GLADGLXDisplay == 0) {
dpy = XOpenDisplay(0);
screen = XScreenNumberOfScreen(XDefaultScreenOfDisplay(dpy));
} else if(dpy == 0) {
dpy = GLADGLXDisplay;
screen = GLADGLXscreen;
}
glXQueryVersion(dpy, &major, &minor);
GLADGLXDisplay = dpy;
GLADGLXscreen = screen;
GLAD_GLX_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1;
GLAD_GLX_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1;
GLAD_GLX_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1;
GLAD_GLX_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1;
GLAD_GLX_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1;
}
int gladLoadGLXLoader(GLADloadproc load, Display *dpy, int screen) {
glXQueryVersion = (PFNGLXQUERYVERSIONPROC)load("glXQueryVersion");
if(glXQueryVersion == NULL) return 0;
find_coreGLX(dpy, screen);
load_GLX_VERSION_1_0(load);
load_GLX_VERSION_1_1(load);
load_GLX_VERSION_1_2(load);
load_GLX_VERSION_1_3(load);
load_GLX_VERSION_1_4(load);
if (!find_extensionsGLX()) return 0;
return 1;
}