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Use ContextManager to resolve symbols in GL driver

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sfan5
2024-02-17 00:30:32 +01:00
parent 83998f7471
commit 19f0f707a6
4 changed files with 7 additions and 37 deletions
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34
source/Irrlicht/COpenGLExtensionHandler.cpp
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@ -9,6 +9,7 @@
#include "irrString.h"
#include "SMaterial.h"
#include "fast_atof.h"
#include "IContextManager.h"
namespace irr
{
@ -125,7 +126,7 @@ void COpenGLExtensionHandler::dump(ELOG_LEVEL logLevel) const
}
void COpenGLExtensionHandler::initExtensions(bool stencilBuffer)
void COpenGLExtensionHandler::initExtensions(video::IContextManager *cmgr, bool stencilBuffer)
{
const f32 ogl_ver = core::fast_atof(reinterpret_cast<const c8*>(glGetString(GL_VERSION)));
Version = static_cast<u16>(core::floor32(ogl_ver)*100+core::round32(core::fract(ogl_ver)*10.0f));
@ -177,36 +178,7 @@ void COpenGLExtensionHandler::initExtensions(bool stencilBuffer)
IsAtiRadeonX = (strncmp(renderer, "ATI RADEON X", 12) == 0) || (strncmp(renderer, "ATI MOBILITY RADEON X", 21) == 0);
}
#ifdef _IRR_WINDOWS_API_
#define IRR_OGL_LOAD_EXTENSION(x) wglGetProcAddress(reinterpret_cast<const char*>(x))
#elif defined(_IRR_COMPILE_WITH_SDL_DEVICE_) && !defined(_IRR_COMPILE_WITH_X11_DEVICE_)
#define IRR_OGL_LOAD_EXTENSION(x) SDL_GL_GetProcAddress(reinterpret_cast<const char*>(x))
#else
// Accessing the correct function is quite complex
// All libraries should support the ARB version, however
// since GLX 1.4 the non-ARB version is the official one
// So we have to check the runtime environment and
// choose the proper symbol
// In case you still have problems please enable the
// next line by uncommenting it
// #define _IRR_GETPROCADDRESS_WORKAROUND_
#ifndef _IRR_GETPROCADDRESS_WORKAROUND_
__GLXextFuncPtr (*IRR_OGL_LOAD_EXTENSION_FUNCP)(const GLubyte*)=0;
#ifdef GLX_VERSION_1_4
int major=0,minor=0;
if (glXGetCurrentDisplay())
glXQueryVersion(glXGetCurrentDisplay(), &major, &minor);
if ((major>1) || (minor>3))
IRR_OGL_LOAD_EXTENSION_FUNCP=glXGetProcAddress;
else
#endif
IRR_OGL_LOAD_EXTENSION_FUNCP=glXGetProcAddressARB;
#define IRR_OGL_LOAD_EXTENSION(X) IRR_OGL_LOAD_EXTENSION_FUNCP(reinterpret_cast<const GLubyte*>(X))
#else
#define IRR_OGL_LOAD_EXTENSION(X) glXGetProcAddressARB(reinterpret_cast<const GLubyte*>(X))
#endif // workaround
#endif // Windows, SDL, or Linux
#define IRR_OGL_LOAD_EXTENSION(x) cmgr->getProcAddress(x)
// get multitexturing function pointers
pGlActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC) IRR_OGL_LOAD_EXTENSION("glActiveTextureARB");