mirror of
https://github.com/DrBeef/JKXR.git
synced 2024-11-30 07:50:52 +00:00
271 lines
No EOL
7 KiB
C
271 lines
No EOL
7 KiB
C
#if !defined(tbxr_common_h)
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#define tbxr_common_h
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#if defined(_WIN32)
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// OpenXR Header
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#include <Unknwn.h>
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#include <openxr.h>
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#include <openxr_platform.h>
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#include <openxr_helpers.h>
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#include <GL/gl.h>
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//#define GL_GLEXT_PROTOTYPES
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#define GL_EXT_color_subtable
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#include <GL/glext.h>
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#include <GL/wglext.h>
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extern PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers;
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extern PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers;
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extern PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer;
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extern PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer;
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extern PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers;
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extern PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers;
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extern PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer;
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extern PFNGLISRENDERBUFFERPROC glIsRenderbuffer;
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extern PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage;
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extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample;
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extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT;
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extern PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer;
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extern PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D;
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extern PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer;
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extern PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC glFramebufferTextureMultiviewOVR;
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extern PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus;
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extern PFNGLCHECKNAMEDFRAMEBUFFERSTATUSPROC glCheckNamedFramebufferStatus;
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void GlInitExtensions();
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#define GL_RGBA16F 0x881A
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#endif
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#ifndef NDEBUG
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#define DEBUG 1
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#endif
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#define LOG_TAG "TBXR"
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#define ALOGE(...) Com_Printf(__VA_ARGS__)
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#if DEBUG
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#define ALOGV(...) Com_Printf(__VA_ARGS__)
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#else
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#define ALOGV(...)
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#endif
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enum { ovrMaxLayerCount = 3 };
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enum { ovrMaxNumEyes = 2 };
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typedef enum xrButton_ {
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xrButton_A = 0x00000001, // Set for trigger pulled on the Gear VR and Go Controllers
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xrButton_B = 0x00000002,
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xrButton_RThumb = 0x00000004,
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xrButton_RShoulder = 0x00000008,
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xrButton_X = 0x00000100,
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xrButton_Y = 0x00000200,
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xrButton_LThumb = 0x00000400,
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xrButton_LShoulder = 0x00000800,
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xrButton_Up = 0x00010000,
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xrButton_Down = 0x00020000,
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xrButton_Left = 0x00040000,
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xrButton_Right = 0x00080000,
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xrButton_Enter = 0x00100000,
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xrButton_Back = 0x00200000,
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xrButton_GripTrigger = 0x04000000,
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xrButton_Trigger = 0x20000000,
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xrButton_Joystick = 0x80000000,
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//Define additional controller touch points (not button presses)
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xrButton_ThumbRest = 0x00000010,
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xrButton_EnumSize = 0x7fffffff
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} xrButton;
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typedef struct {
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uint32_t Buttons;
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uint32_t Touches;
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float IndexTrigger;
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float GripTrigger;
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XrVector2f Joystick;
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} ovrInputStateTrackedRemote;
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typedef struct {
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GLboolean Active;
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XrPosef Pose;
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XrSpaceVelocity Velocity;
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} ovrTrackedController;
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typedef enum control_scheme {
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RIGHT_HANDED_DEFAULT = 0,
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LEFT_HANDED_DEFAULT = 10,
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WEAPON_ALIGN = 99
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} control_scheme_t;
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typedef struct {
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float M[4][4];
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} ovrMatrix4f;
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typedef struct {
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XrSwapchain Handle;
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uint32_t Width;
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uint32_t Height;
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} ovrSwapChain;
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typedef struct {
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int Width;
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int Height;
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uint32_t TextureSwapChainLength;
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uint32_t TextureSwapChainIndex;
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ovrSwapChain ColorSwapChain;
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XrSwapchainImageOpenGLKHR* ColorSwapChainImage;
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GLuint* DepthBuffers;
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GLuint* FrameBuffers;
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} ovrFramebuffer;
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/*
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================================================================================
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ovrRenderer
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================================================================================
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*/
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typedef struct
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{
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ovrFramebuffer FrameBuffer[ovrMaxNumEyes];
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ovrFramebuffer NullFrameBuffer; // Used to draw black projection view when showing quad layer
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} ovrRenderer;
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#define GL(func) func;
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// Forward declarations
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XrInstance TBXR_GetXrInstance();
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#if defined(DEBUG)
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static void
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OXR_CheckErrors(XrInstance instance, XrResult result, const char* function, bool failOnError) {
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if (XR_FAILED(result)) {
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char errorBuffer[XR_MAX_RESULT_STRING_SIZE];
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xrResultToString(instance, result, errorBuffer);
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if (failOnError) {
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//ALOGE("OpenXR error: %s: %s\n", function, errorBuffer);
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} else {
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//ALOGV("OpenXR error: %s: %s\n", function, errorBuffer);
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}
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}
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}
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#endif
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#if defined(DEBUG)
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#define OXR(func) OXR_CheckErrors(TBXR_GetXrInstance(), func, #func, true);
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#else
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#define OXR(func) func;
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#endif
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typedef struct
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{
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bool Initialised;
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bool Resumed;
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bool Focused;
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bool FrameSetup;
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char* OpenXRHMD;
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float Width;
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float Height;
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XrInstance Instance;
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XrSession Session;
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XrViewConfigurationProperties ViewportConfig;
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XrViewConfigurationView ViewConfigurationView[ovrMaxNumEyes];
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XrSystemId SystemId;
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XrSpace LocalSpace;
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XrSpace ViewSpace;
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XrSpace StageSpace;
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GLboolean SessionActive;
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XrPosef xfStageFromHead;
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XrView* Views;
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XrMatrix4x4f ProjectionMatrices[2];
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float currentDisplayRefreshRate;
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float* SupportedDisplayRefreshRates;
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uint32_t RequestedDisplayRefreshRateIndex;
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uint32_t NumSupportedDisplayRefreshRates;
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PFN_xrGetDisplayRefreshRateFB pfnGetDisplayRefreshRate;
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PFN_xrRequestDisplayRefreshRateFB pfnRequestDisplayRefreshRate;
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XrFrameState FrameState;
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int SwapInterval;
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int MainThreadTid;
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int RenderThreadTid;
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ovrRenderer Renderer;
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ovrTrackedController TrackedController[2];
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} ovrApp;
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enum
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{
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MESSAGE_ON_CREATE,
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MESSAGE_ON_START,
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MESSAGE_ON_RESUME,
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MESSAGE_ON_PAUSE,
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MESSAGE_ON_STOP,
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MESSAGE_ON_DESTROY,
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MESSAGE_ON_SURFACE_CREATED,
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MESSAGE_ON_SURFACE_DESTROYED
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};
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extern ovrApp gAppState;
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void ovrTrackedController_Clear(ovrTrackedController* controller);
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void * AppThreadFunction(void * parm );
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//Functions that need to be implemented by the game specific code
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void VR_FrameSetup();
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bool VR_UseScreenLayer();
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float VR_GetScreenLayerDistance();
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bool VR_GetVRProjection(int eye, float zNear, float zFar, float zZoomX, float zZoomY, float* projection);
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void VR_HandleControllerInput();
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void VR_SetHMDOrientation(float pitch, float yaw, float roll );
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void VR_SetHMDPosition(float x, float y, float z );
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void VR_HapticEvent(const char* event, int position, int flags, int intensity, float angle, float yHeight );
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void VR_HapticUpdateEvent(const char* event, int intensity, float angle );
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void VR_HapticEndFrame();
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void VR_HapticStopEvent(const char* event);
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void VR_HapticEnable();
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void VR_HapticDisable();
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//Reusable Team Beef OpenXR stuff (in TBXR_Common.cpp)
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double TBXR_GetTimeInMilliSeconds();
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int TBXR_GetRefresh();
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void TBXR_Recenter();
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void TBXR_InitialiseOpenXR();
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void TBXR_WaitForSessionActive();
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void TBXR_InitRenderer();
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void TBXR_EnterVR();
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void TBXR_GetScreenRes(int *width, int *height);
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void TBXR_InitActions( void );
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void TBXR_Vibrate(int duration, int channel, float intensity );
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void TBXR_ProcessHaptics();
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void TBXR_FrameSetup();
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void TBXR_updateProjections();
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void TBXR_UpdateControllers( );
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void TBXR_prepareEyeBuffer(int eye );
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void TBXR_finishEyeBuffer(int eye );
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void TBXR_submitFrame();
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#endif //vrcommon_h
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