mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-24 06:39:46 -06:00
Refactoring and cleanup of GLInterface (now GLContext)
This commit is contained in:
Stenzek
@ -30,43 +30,40 @@ static int ctxErrorHandler(Display* dpy, XErrorEvent* ev)
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return 0;
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}
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void cInterfaceGLX::SwapInterval(int Interval)
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void GLContextGLX::SwapInterval(int Interval)
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{
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if (!m_has_handle)
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if (!m_drawable)
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return;
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// Try EXT_swap_control, then MESA_swap_control.
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if (glXSwapIntervalEXTPtr)
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glXSwapIntervalEXTPtr(dpy, win, Interval);
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glXSwapIntervalEXTPtr(m_display, m_drawable, Interval);
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else if (glXSwapIntervalMESAPtr)
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glXSwapIntervalMESAPtr(static_cast<unsigned int>(Interval));
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else
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ERROR_LOG(VIDEO, "No support for SwapInterval (framerate clamped to monitor refresh rate).");
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}
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void* cInterfaceGLX::GetFuncAddress(const std::string& name)
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void* GLContextGLX::GetFuncAddress(const std::string& name)
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{
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return (void*)glXGetProcAddress((const GLubyte*)name.c_str());
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return reinterpret_cast<void*>(glXGetProcAddress(reinterpret_cast<const GLubyte*>(name.c_str())));
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}
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void cInterfaceGLX::Swap()
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void GLContextGLX::Swap()
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{
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glXSwapBuffers(dpy, win);
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glXSwapBuffers(m_display, m_drawable);
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}
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// Create rendering window.
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// Call browser: Core.cpp:EmuThread() > main.cpp:Video_Initialize()
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bool cInterfaceGLX::Create(void* window_handle, bool stereo, bool core)
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bool GLContextGLX::Initialize(void* window_handle, bool stereo, bool core)
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{
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m_has_handle = !!window_handle;
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m_host_window = (Window)window_handle;
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dpy = XOpenDisplay(nullptr);
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int screen = DefaultScreen(dpy);
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m_display = XOpenDisplay(nullptr);
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int screen = DefaultScreen(m_display);
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// checking glx version
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int glxMajorVersion, glxMinorVersion;
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glXQueryVersion(dpy, &glxMajorVersion, &glxMinorVersion);
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glXQueryVersion(m_display, &glxMajorVersion, &glxMinorVersion);
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if (glxMajorVersion < 1 || (glxMajorVersion == 1 && glxMinorVersion < 4))
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{
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ERROR_LOG(VIDEO, "glX-Version %d.%d detected, but need at least 1.4", glxMajorVersion,
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@ -107,13 +104,13 @@ bool cInterfaceGLX::Create(void* window_handle, bool stereo, bool core)
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stereo ? True : False,
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None};
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int fbcount = 0;
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GLXFBConfig* fbc = glXChooseFBConfig(dpy, screen, visual_attribs, &fbcount);
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GLXFBConfig* fbc = glXChooseFBConfig(m_display, screen, visual_attribs, &fbcount);
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if (!fbc || !fbcount)
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{
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ERROR_LOG(VIDEO, "Failed to retrieve a framebuffer config");
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return false;
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}
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fbconfig = *fbc;
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m_fbconfig = *fbc;
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XFree(fbc);
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s_glxError = false;
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@ -125,36 +122,36 @@ bool cInterfaceGLX::Create(void* window_handle, bool stereo, bool core)
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 0,
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GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB, GLX_CONTEXT_FLAGS_ARB,
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GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB, None}};
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ctx = nullptr;
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m_context = nullptr;
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if (core)
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{
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ctx = glXCreateContextAttribs(dpy, fbconfig, 0, True, &context_attribs[0]);
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XSync(dpy, False);
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m_context = glXCreateContextAttribs(m_display, m_fbconfig, 0, True, &context_attribs[0]);
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XSync(m_display, False);
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m_attribs.insert(m_attribs.end(), context_attribs.begin(), context_attribs.end());
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}
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if (core && (!ctx || s_glxError))
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if (core && (!m_context || s_glxError))
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{
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std::array<int, 9> context_attribs_33 = {
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 3, GLX_CONTEXT_MINOR_VERSION_ARB, 3,
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GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB, GLX_CONTEXT_FLAGS_ARB,
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GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB, None}};
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s_glxError = false;
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ctx = glXCreateContextAttribs(dpy, fbconfig, 0, True, &context_attribs_33[0]);
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XSync(dpy, False);
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m_context = glXCreateContextAttribs(m_display, m_fbconfig, 0, True, &context_attribs_33[0]);
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XSync(m_display, False);
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m_attribs.clear();
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m_attribs.insert(m_attribs.end(), context_attribs_33.begin(), context_attribs_33.end());
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}
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if (!ctx || s_glxError)
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if (!m_context || s_glxError)
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{
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std::array<int, 5> context_attribs_legacy = {
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{GLX_CONTEXT_MAJOR_VERSION_ARB, 1, GLX_CONTEXT_MINOR_VERSION_ARB, 0, None}};
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s_glxError = false;
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ctx = glXCreateContextAttribs(dpy, fbconfig, 0, True, &context_attribs_legacy[0]);
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XSync(dpy, False);
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m_context = glXCreateContextAttribs(m_display, m_fbconfig, 0, True, &context_attribs_legacy[0]);
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XSync(m_display, False);
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m_attribs.clear();
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m_attribs.insert(m_attribs.end(), context_attribs_legacy.begin(), context_attribs_legacy.end());
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}
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if (!ctx || s_glxError)
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if (!m_context || s_glxError)
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{
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ERROR_LOG(VIDEO, "Unable to create GL context.");
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XSetErrorHandler(oldHandler);
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@ -168,7 +165,7 @@ bool cInterfaceGLX::Create(void* window_handle, bool stereo, bool core)
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m_supports_pbuffer = false;
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std::string tmp;
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std::istringstream buffer(glXQueryExtensionsString(dpy, screen));
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std::istringstream buffer(glXQueryExtensionsString(m_display, screen));
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while (buffer >> tmp)
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{
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if (tmp == "GLX_SGIX_pbuffer")
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@ -191,7 +188,7 @@ bool cInterfaceGLX::Create(void* window_handle, bool stereo, bool core)
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}
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}
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if (!CreateWindowSurface())
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if (!CreateWindowSurface(reinterpret_cast<Window>(window_handle)))
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{
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ERROR_LOG(VIDEO, "Error: CreateWindowSurface failed\n");
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XSetErrorHandler(oldHandler);
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@ -199,31 +196,33 @@ bool cInterfaceGLX::Create(void* window_handle, bool stereo, bool core)
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}
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XSetErrorHandler(oldHandler);
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m_opengl_mode = Mode::OpenGL;
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return true;
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}
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bool cInterfaceGLX::Create(cInterfaceBase* main_context)
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bool GLContextGLX::Initialize(GLContext* main_context)
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{
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cInterfaceGLX* glx_context = static_cast<cInterfaceGLX*>(main_context);
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GLContextGLX* glx_context = static_cast<GLContextGLX*>(main_context);
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m_has_handle = false;
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m_opengl_mode = glx_context->m_opengl_mode;
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m_supports_pbuffer = glx_context->m_supports_pbuffer;
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dpy = glx_context->dpy;
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fbconfig = glx_context->fbconfig;
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m_display = glx_context->m_display;
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m_fbconfig = glx_context->m_fbconfig;
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s_glxError = false;
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XErrorHandler oldHandler = XSetErrorHandler(&ctxErrorHandler);
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ctx = glXCreateContextAttribs(dpy, fbconfig, glx_context->ctx, True, &glx_context->m_attribs[0]);
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XSync(dpy, False);
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m_context = glXCreateContextAttribs(m_display, m_fbconfig, glx_context->m_context, True,
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&glx_context->m_attribs[0]);
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XSync(m_display, False);
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if (!ctx || s_glxError)
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if (!m_context || s_glxError)
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{
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ERROR_LOG(VIDEO, "Unable to create GL context.");
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XSetErrorHandler(oldHandler);
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return false;
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}
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if (m_supports_pbuffer && !CreateWindowSurface())
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if (m_supports_pbuffer && !CreateWindowSurface(None))
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{
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ERROR_LOG(VIDEO, "Error: CreateWindowSurface failed\n");
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XSetErrorHandler(oldHandler);
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@ -234,84 +233,81 @@ bool cInterfaceGLX::Create(cInterfaceBase* main_context)
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return true;
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}
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std::unique_ptr<cInterfaceBase> cInterfaceGLX::CreateSharedContext()
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bool GLContextGLX::IsHeadless() const
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{
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std::unique_ptr<cInterfaceBase> context = std::make_unique<cInterfaceGLX>();
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if (!context->Create(this))
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return m_render_window == nullptr;
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}
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std::unique_ptr<GLContext> GLContextGLX::CreateSharedContext()
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{
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std::unique_ptr<GLContextGLX> context = std::make_unique<GLContextGLX>();
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if (!context->Initialize(this))
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return nullptr;
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return context;
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}
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bool cInterfaceGLX::CreateWindowSurface()
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bool GLContextGLX::CreateWindowSurface(Window window_handle)
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{
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if (m_has_handle)
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if (window_handle)
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{
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// Get an appropriate visual
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XVisualInfo* vi = glXGetVisualFromFBConfig(dpy, fbconfig);
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XWindow.Initialize(dpy);
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XWindowAttributes attribs;
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if (!XGetWindowAttributes(dpy, m_host_window, &attribs))
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{
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ERROR_LOG(VIDEO, "Window attribute retrieval failed");
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XVisualInfo* vi = glXGetVisualFromFBConfig(m_display, m_fbconfig);
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m_render_window = GLX11Window::Create(m_display, window_handle, vi);
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if (!m_render_window)
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return false;
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}
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s_backbuffer_width = attribs.width;
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s_backbuffer_height = attribs.height;
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win = XWindow.CreateXWindow(m_host_window, vi);
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m_backbuffer_width = m_render_window->GetWidth();
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m_backbuffer_height = m_render_window->GetHeight();
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m_drawable = static_cast<GLXDrawable>(m_render_window->GetWindow());
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XFree(vi);
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}
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else if (m_supports_pbuffer)
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{
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win = m_pbuffer = glXCreateGLXPbufferSGIX(dpy, fbconfig, 1, 1, nullptr);
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m_pbuffer = glXCreateGLXPbufferSGIX(m_display, m_fbconfig, 1, 1, nullptr);
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if (!m_pbuffer)
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return false;
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m_drawable = static_cast<GLXDrawable>(m_pbuffer);
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}
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return true;
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}
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void cInterfaceGLX::DestroyWindowSurface()
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void GLContextGLX::DestroyWindowSurface()
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{
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if (m_has_handle)
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m_render_window.reset();
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if (m_supports_pbuffer && m_pbuffer)
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{
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XWindow.DestroyXWindow();
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}
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else if (m_supports_pbuffer && m_pbuffer)
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{
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glXDestroyGLXPbufferSGIX(dpy, m_pbuffer);
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glXDestroyGLXPbufferSGIX(m_display, m_pbuffer);
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m_pbuffer = 0;
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}
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}
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bool cInterfaceGLX::MakeCurrent()
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bool GLContextGLX::MakeCurrent()
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{
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return glXMakeCurrent(dpy, win, ctx);
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return glXMakeCurrent(m_display, m_drawable, m_context);
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}
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bool cInterfaceGLX::ClearCurrent()
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bool GLContextGLX::ClearCurrent()
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{
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return glXMakeCurrent(dpy, None, nullptr);
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return glXMakeCurrent(m_display, None, nullptr);
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}
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// Close backend
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void cInterfaceGLX::Shutdown()
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void GLContextGLX::Shutdown()
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{
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DestroyWindowSurface();
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if (ctx)
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if (m_context)
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{
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glXDestroyContext(dpy, ctx);
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glXDestroyContext(m_display, m_context);
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// Don't close the display connection if we are a shared context.
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// Saves doing reference counting on this object, and the main context will always
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// be shut down last anyway.
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if (m_has_handle)
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if (m_render_window)
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{
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XCloseDisplay(dpy);
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ctx = nullptr;
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XCloseDisplay(m_display);
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m_context = nullptr;
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}
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}
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}
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