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OpenGLRenderer: Try to fix EGLContext sharing with X11

This commit is contained in:
Jérôme Leclercq 2020-09-01 20:10:09 +02:00
parent f4186fdeac
commit bc2f18c852
2 changed files with 58 additions and 0 deletions
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4
include/Nazara/OpenGLRenderer/Wrapper/Linux/EGLContextX11.hpp
View File

@ -20,11 +20,15 @@ namespace Nz::GL
EGLContextX11(EGLContextX11&&) = default;
~EGLContextX11() = default;
bool Create(const ContextParams& params, const EGLContextBase* shareContext = nullptr) override;
bool Create(const ContextParams& params, WindowHandle window, const EGLContextBase* shareContext = nullptr) override;
void Destroy() override;
EGLContextX11& operator=(const EGLContextX11&) = default;
EGLContextX11& operator=(EGLContextX11&&) = default;
private:
::Display* m_xdisplay = nullptr;
};
}

54
src/Nazara/OpenGLRenderer/Wrapper/Linux/EGLContextX11.cpp
View File

@ -8,6 +8,54 @@
namespace Nz::GL
{
bool EGLContextX11::Create(const ContextParams& params, const EGLContextBase* shareContext)
{
Destroy(); //< In case a previous display or surface hasn't been released
m_params = params;
if (!BindAPI())
return false;
m_xdisplay = XOpenDisplay(nullptr);
if (!m_xdisplay)
{
NazaraError("failed to connect to X server");
return false;
}
m_display = m_loader.eglGetDisplay(m_xdisplay);
if (!m_display)
{
NazaraError("failed to retrieve default EGL display");
return false;
}
if (!InitDisplay())
return false;
std::size_t configCount;
std::array<EGLConfig, 0xFF> configs;
if (!ChooseConfig(configs.data(), configs.size(), &configCount))
return false;
EGLint surfaceAttributes[] = {
EGL_WIDTH, 1,
EGL_HEIGHT, 1,
EGL_NONE
};
std::size_t configIndex = 0;
for (; configIndex < configCount; ++configIndex)
{
m_surface = m_loader.eglCreatePbufferSurface(m_display, configs[configIndex], surfaceAttributes);
if (m_surface)
break;
}
return CreateInternal(configs[configIndex], shareContext);
}
bool EGLContextX11::Create(const ContextParams& params, WindowHandle window, const EGLContextBase* shareContext)
{
assert(window.type == WindowManager::X11);
@ -48,5 +96,11 @@ namespace Nz::GL
void EGLContextX11::Destroy()
{
EGLContextBase::Destroy();
if (m_xdisplay)
{
XCloseDisplay(m_xdisplay);
m_xdisplay = nullptr;
}
}
}