mirror of
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149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
#pragma once
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#ifdef ANDROID
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#include <android/log.h>
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#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR, "OpenXR", __VA_ARGS__);
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#define ALOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, "OpenXR", __VA_ARGS__);
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#else
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#include <cstdio>
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#define ALOGE(...) printf(__VA_ARGS__)
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#define ALOGV(...) printf(__VA_ARGS__)
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#endif
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#include "Common/VR/OpenXRLoader.h"
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#define _USE_MATH_DEFINES
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#include <cmath>
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#include <cassert>
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#if defined(_DEBUG) && (defined(XR_USE_GRAPHICS_API_OPENGL) || defined(XR_USE_GRAPHICS_API_OPENGL_ES))
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void GLCheckErrors(const char* file, int line);
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#define GL(func) func; GLCheckErrors(__FILE__ , __LINE__);
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#else
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#define GL(func) func;
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#endif
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#if defined(_DEBUG)
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static void 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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#define OXR(func) OXR_CheckErrors(VR_GetEngine()->appState.Instance, 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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#define DECL_PFN(pfn) PFN_##pfn pfn = nullptr
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#define INIT_PFN(pfn) OXR(xrGetInstanceProcAddr(engine->appState.Instance, #pfn, (PFN_xrVoidFunction*)(&pfn)))
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enum { ovrMaxLayerCount = 3 };
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enum { ovrMaxNumEyes = 2 };
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typedef union {
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XrCompositionLayerProjection Projection;
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XrCompositionLayerCylinderKHR Cylinder;
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XrCompositionLayerPassthroughFB Passthrough;
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} ovrCompositorLayer_Union;
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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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ovrSwapChain DepthSwapChain;
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void* ColorSwapChainImage;
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void* DepthSwapChainImage;
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unsigned int* GLFrameBuffers;
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VkFramebuffer* VKFrameBuffers;
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VkImageView* VKColorImages;
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VkImageView* VKDepthImages;
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bool Acquired;
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XrGraphicsBindingVulkanKHR* VKContext;
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} ovrFramebuffer;
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typedef struct {
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bool Multiview;
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ovrFramebuffer FrameBuffer[ovrMaxNumEyes];
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} ovrRenderer;
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typedef struct {
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int Focused;
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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 HeadSpace;
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XrSpace StageSpace;
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XrSpace FakeStageSpace;
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XrSpace CurrentSpace;
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int SessionActive;
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int SwapInterval;
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// These threads will be marked as performance threads.
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int MainThreadTid;
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int RenderThreadTid;
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ovrCompositorLayer_Union Layers[ovrMaxLayerCount];
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int LayerCount;
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ovrRenderer Renderer;
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} ovrApp;
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#ifdef ANDROID
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typedef struct {
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JavaVM* Vm;
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jobject ActivityObject;
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JNIEnv* Env;
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} ovrJava;
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#endif
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typedef struct {
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uint64_t frameIndex;
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ovrApp appState;
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XrTime predictedDisplayTime;
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XrGraphicsBindingVulkanKHR graphicsBindingVulkan;
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} engine_t;
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enum VRPlatformFlag {
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VR_PLATFORM_CONTROLLER_PICO,
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VR_PLATFORM_CONTROLLER_QUEST,
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VR_PLATFORM_EXTENSION_FOVEATION,
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VR_PLATFORM_EXTENSION_INSTANCE,
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VR_PLATFORM_EXTENSION_PASSTHROUGH,
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VR_PLATFORM_EXTENSION_PERFORMANCE,
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VR_PLATFORM_RENDERER_VULKAN,
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VR_PLATFORM_TRACKING_FLOOR,
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VR_PLATFORM_MAX
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};
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void VR_Init( void* system, const char* name, int version );
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void VR_Destroy( engine_t* engine );
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void VR_EnterVR( engine_t* engine, XrGraphicsBindingVulkanKHR* graphicsBindingVulkan );
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void VR_LeaveVR( engine_t* engine );
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engine_t* VR_GetEngine( void );
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bool VR_GetPlatformFlag(VRPlatformFlag flag);
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void VR_SetPlatformFLag(VRPlatformFlag flag, bool value);
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void ovrApp_Clear(ovrApp* app);
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void ovrApp_Destroy(ovrApp* app);
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int ovrApp_HandleXrEvents(ovrApp* app);
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