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OpenGL3: new version format

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This commit is contained in:
numzero
2023-04-15 16:52:15 +03:00
committed by sfan5
parent c4ab49201b
commit 1d782702e1
7 changed files with 65 additions and 4 deletions
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16
source/Irrlicht/OpenGL3/Driver.cpp
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@ -11,8 +11,24 @@ namespace video {
return EDT_OPENGL3;
}
OpenGLVersion COpenGL3Driver::getVersionFromOpenGL() const {
GLint major, minor, profile;
glGetIntegerv(GL_MAJOR_VERSION, &major);
glGetIntegerv(GL_MINOR_VERSION, &minor);
glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &profile);
// The spec is clear a context can’t be both core and compatibility at the same time.
// However, the returned value is a mask. Ask Khronos why. -- numzero
if (profile & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT)
return {OpenGLSpec::Compat, (u8)major, (u8)minor, 0};
if (profile & GL_CONTEXT_CORE_PROFILE_BIT)
return {OpenGLSpec::Core, (u8)major, (u8)minor, 0};
os::Printer::log("Got unrecognized OpenGL profile", ELL_ERROR);
return {OpenGLSpec::Core, (u8)major, (u8)minor, 0};
}
IVideoDriver* createOpenGL3Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)
{
os::Printer::log("Using COpenGL3Driver", ELL_INFORMATION);
COpenGL3Driver* driver = new COpenGL3Driver(params, io, contextManager);
driver->genericDriverInit(params.WindowSize, params.Stencilbuffer); // don't call in constructor, it uses virtual function calls of driver
return driver;

6
source/Irrlicht/OpenGL3/Driver.h
View File

@ -8,11 +8,17 @@
namespace irr {
namespace video {
/// OpenGL 3+ driver
///
/// For OpenGL 3.2 and higher. Compatibility profile is required currently.
class COpenGL3Driver : public COpenGL3DriverBase {
friend IVideoDriver* createOpenGL3Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);
public:
using COpenGL3DriverBase::COpenGL3DriverBase;
E_DRIVER_TYPE getDriverType() const override;
protected:
OpenGLVersion getVersionFromOpenGL() const override;
};
}