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/************************************************************************************
Filename : Platform_Linux.h
Content : Linux (X11) implementation of Platform app infrastructure
Created : September 6, 2012
Authors : Andrew Reisse
Copyright : Copyright 2012 Oculus VR, LLC. All Rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
************************************************************************************/
#ifndef OVR_Platform_Linux_h
#define OVR_Platform_Linux_h
#include "Platform.h"
#include "../Render/Render_GL_Device.h"
#include <GL/glx.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
namespace OVR { namespace Render {
class RenderDevice;
}}
namespace OVR { namespace OvrPlatform { namespace Linux {
struct XDisplayInfo;
class PlatformCore : public OvrPlatform::PlatformCore
{
Recti StartVP;
bool HasWM;
int IndexOf(Render::DisplayId id);
XDisplayInfo getXDisplayInfo(Render::DisplayId id);
public:
_XDisplay* Disp;
XVisualInfo* Vis;
Window Win;
bool Quit;
int ExitCode;
int Width, Height;
MouseMode MMode;
Cursor InvisibleCursor;
enum
{
WM_PROTOCOLS,
WM_DELETE_WINDOW,
NumAtoms
};
Atom Atoms[NumAtoms];
void processEvent(XEvent& event);
Render::RenderDevice* SetupGraphics_GL(const Render::RendererParams& rp);
void showCursor(bool show);
bool determineScreenOffset(int screenId, int* screenOffsetX, int* screenOffsetY);
void showWindowDecorations(bool show);
public:
PlatformCore(Application* app);
~PlatformCore();
void* SetupWindow(int w, int h);
void Exit(int exitcode) { Quit = 1; ExitCode = exitcode; }
RenderDevice* SetupGraphics(const SetupGraphicsDeviceSet& setupGraphicsDesc,
const char* gtype, const Render::RendererParams& rp);
void SetMouseMode(MouseMode mm);
void GetWindowSize(int* w, int* h) const;
void SetWindowTitle(const char*title);
void ShowWindow(bool show);
void DestroyWindow();
bool SetFullscreen(const Render::RendererParams& rp, int fullscreen);
int GetDisplayCount();
Render::DisplayId GetDisplay(int screen);
int Run();
};
}}
namespace Render { namespace GL { namespace Linux {
class RenderDevice : public Render::GL::RenderDevice
{
_XDisplay* Disp;
Window Win;
GLXContext Context;
public:
RenderDevice(const Render::RendererParams& p, _XDisplay* disp, Window w, GLXContext gl)
: GL::RenderDevice(p), Disp(disp), Win(w), Context(gl) {}
virtual void Shutdown();
virtual void Present(bool withVsync);
virtual ovrRenderAPIConfig Get_ovrRenderAPIConfig() const;
// oswnd = Linux::PlatformCore*
static Render::RenderDevice* CreateDevice(const RendererParams& rp, void* oswnd);
};
}}}}
// OVR_PLATFORM_APP_ARGS specifies the Application class to use for startup,
// providing it with startup arguments.
#define OVR_PLATFORM_APP_ARGS(AppClass, args) \
OVR::OvrPlatform::Application* OVR::OvrPlatform::Application::CreateApplication() \
{ OVR::System::Init(OVR::Log::ConfigureDefaultLog(OVR::LogMask_All)); \
return new AppClass args; } \
void OVR::OvrPlatform::Application::DestroyApplication(OVR::OvrPlatform::Application* app) \
{ OVR::OvrPlatform::PlatformCore* platform = app->pPlatform; \
delete app; delete platform; OVR::System::Destroy(); };
// OVR_PLATFORM_APP_ARGS specifies the Application startup class with no args.
#define OVR_PLATFORM_APP(AppClass) OVR_PLATFORM_APP_ARGS(AppClass, ())
#define OVR_PLATFORM_APP_ARGS_WITH_LOG(AppClass, LogClass, args) \
OVR::OvrPlatform::Application* OVR::OvrPlatform::Application::CreateApplication() \
{ static LogClass log; OVR::System::Init(&log); \
return new AppClass args; } \
void OVR::OvrPlatform::Application::DestroyApplication(OVR::OvrPlatform::Application* app) \
{ OVR::OvrPlatform::PlatformCore* platform = app->pPlatform; \
delete app; delete platform; OVR::System::Destroy(); };
#define OVR_PLATFORM_APP_WITH_LOG(AppClass,LogClass) OVR_PLATFORM_APP_ARGS_WITH_LOG(AppClass,LogClass, ())
#endif
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