diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/raylib.h | 26 | ||||
| -rw-r--r-- | src/rlgl.c | 173 | ||||
| -rw-r--r-- | src/rlgl.h | 24 |
3 files changed, 132 insertions, 91 deletions
diff --git a/src/raylib.h b/src/raylib.h index 288fd8d9..392e0a24 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -523,6 +523,20 @@ typedef struct RRESData { // RRES type (pointer to RRESData array) typedef struct RRESData *RRES; +// Head-Mounted-Display device parameters +typedef struct VrDeviceInfo { + int hResolution; // HMD horizontal resolution in pixels + int vResolution; // HMD vertical resolution in pixels + float hScreenSize; // HMD horizontal size in meters + float vScreenSize; // HMD vertical size in meters + float vScreenCenter; // HMD screen center in meters + float eyeToScreenDistance; // HMD distance between eye and display in meters + float lensSeparationDistance; // HMD lens separation distance in meters + float interpupillaryDistance; // HMD IPD (distance between pupils) in meters + float lensDistortionValues[4]; // HMD lens distortion constant parameters + float chromaAbCorrection[4]; // HMD chromatic aberration correction parameters +} VrDeviceInfo; + //---------------------------------------------------------------------------------- // Enumerators Definition //---------------------------------------------------------------------------------- @@ -665,13 +679,10 @@ typedef enum { HMD_DEFAULT_DEVICE = 0, HMD_OCULUS_RIFT_DK2, HMD_OCULUS_RIFT_CV1, + HMD_OCULUS_GO, HMD_VALVE_HTC_VIVE, - HMD_SAMSUNG_GEAR_VR, - HMD_GOOGLE_CARDBOARD, - HMD_SONY_PLAYSTATION_VR, - HMD_RAZER_OSVR, - HMD_FOVE_VR, -} VrDevice; + HMD_SONY_PSVR +} VrDeviceType; // RRESData type typedef enum { @@ -1083,7 +1094,8 @@ RLAPI void BeginBlendMode(int mode); // Beg RLAPI void EndBlendMode(void); // End blending mode (reset to default: alpha blending) // VR control functions -RLAPI void InitVrSimulator(int vrDevice); // Init VR simulator for selected device +VrDeviceInfo GetVrDeviceInfo(int vrDeviceType); // Get VR device information for some standard devices +void InitVrSimulator(VrDeviceInfo info); // Init VR simulator for selected device parameters RLAPI void CloseVrSimulator(void); // Close VR simulator for current device RLAPI bool IsVrSimulatorReady(void); // Detect if VR simulator is ready RLAPI void UpdateVrTracking(Camera *camera); // Update VR tracking (position and orientation) and camera @@ -223,20 +223,6 @@ typedef struct DrawCall { } DrawCall; #if defined(SUPPORT_VR_SIMULATOR) -// Head-Mounted-Display device parameters -typedef struct VrDeviceInfo { - int hResolution; // HMD horizontal resolution in pixels - int vResolution; // HMD vertical resolution in pixels - float hScreenSize; // HMD horizontal size in meters - float vScreenSize; // HMD vertical size in meters - float vScreenCenter; // HMD screen center in meters - float eyeToScreenDistance; // HMD distance between eye and display in meters - float lensSeparationDistance; // HMD lens separation distance in meters - float interpupillaryDistance; // HMD IPD (distance between pupils) in meters - float distortionK[4]; // HMD lens distortion constant parameters - float chromaAbCorrection[4]; // HMD chromatic aberration correction parameters -} VrDeviceInfo; - // VR Stereo rendering configuration for simulator typedef struct VrStereoConfig { RenderTexture2D stereoFbo; // VR stereo rendering framebuffer @@ -2829,70 +2815,88 @@ void EndBlendMode(void) } #if defined(SUPPORT_VR_SIMULATOR) -// Init VR simulator for selected device -// NOTE: It modifies the global variable: VrStereoConfig vrConfig -void InitVrSimulator(int vrDevice) +// Get VR device information for some standard devices +VrDeviceInfo GetVrDeviceInfo(int vrDeviceType) { -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - VrDeviceInfo hmd; // Current VR device info + VrDeviceInfo hmd = { 0 }; // Current VR device info - if (vrDevice == HMD_OCULUS_RIFT_DK2) - { - // Oculus Rift DK2 parameters - hmd.hResolution = 1280; // HMD horizontal resolution in pixels - hmd.vResolution = 800; // HMD vertical resolution in pixels - hmd.hScreenSize = 0.14976f; // HMD horizontal size in meters - hmd.vScreenSize = 0.09356f; // HMD vertical size in meters - hmd.vScreenCenter = 0.04678f; // HMD screen center in meters - hmd.eyeToScreenDistance = 0.041f; // HMD distance between eye and display in meters - hmd.lensSeparationDistance = 0.0635f; // HMD lens separation distance in meters - hmd.interpupillaryDistance = 0.064f; // HMD IPD (distance between pupils) in meters - hmd.distortionK[0] = 1.0f; // HMD lens distortion constant parameter 0 - hmd.distortionK[1] = 0.22f; // HMD lens distortion constant parameter 1 - hmd.distortionK[2] = 0.24f; // HMD lens distortion constant parameter 2 - hmd.distortionK[3] = 0.0f; // HMD lens distortion constant parameter 3 - hmd.chromaAbCorrection[0] = 0.996f; // HMD chromatic aberration correction parameter 0 - hmd.chromaAbCorrection[1] = -0.004f; // HMD chromatic aberration correction parameter 1 - hmd.chromaAbCorrection[2] = 1.014f; // HMD chromatic aberration correction parameter 2 - hmd.chromaAbCorrection[3] = 0.0f; // HMD chromatic aberration correction parameter 3 - - TraceLog(LOG_INFO, "Initializing VR Simulator (Oculus Rift DK2)"); - } - else if ((vrDevice == HMD_DEFAULT_DEVICE) || (vrDevice == HMD_OCULUS_RIFT_CV1)) + switch (vrDeviceType) { - // Oculus Rift CV1 parameters - // NOTE: CV1 represents a complete HMD redesign compared to previous versions, - // new Fresnel-hybrid-asymmetric lenses have been added and, consequently, - // previous parameters (DK2) and distortion shader (DK2) doesn't work any more. - // I just defined a set of parameters for simulator that approximate to CV1 stereo rendering - // but result is not the same obtained with Oculus PC SDK. - hmd.hResolution = 2160; // HMD horizontal resolution in pixels - hmd.vResolution = 1200; // HMD vertical resolution in pixels - hmd.hScreenSize = 0.133793f; // HMD horizontal size in meters - hmd.vScreenSize = 0.0669f; // HMD vertical size in meters - hmd.vScreenCenter = 0.04678f; // HMD screen center in meters - hmd.eyeToScreenDistance = 0.041f; // HMD distance between eye and display in meters - hmd.lensSeparationDistance = 0.07f; // HMD lens separation distance in meters - hmd.interpupillaryDistance = 0.07f; // HMD IPD (distance between pupils) in meters - hmd.distortionK[0] = 1.0f; // HMD lens distortion constant parameter 0 - hmd.distortionK[1] = 0.22f; // HMD lens distortion constant parameter 1 - hmd.distortionK[2] = 0.24f; // HMD lens distortion constant parameter 2 - hmd.distortionK[3] = 0.0f; // HMD lens distortion constant parameter 3 - hmd.chromaAbCorrection[0] = 0.996f; // HMD chromatic aberration correction parameter 0 - hmd.chromaAbCorrection[1] = -0.004f; // HMD chromatic aberration correction parameter 1 - hmd.chromaAbCorrection[2] = 1.014f; // HMD chromatic aberration correction parameter 2 - hmd.chromaAbCorrection[3] = 0.0f; // HMD chromatic aberration correction parameter 3 - - TraceLog(LOG_INFO, "Initializing VR Simulator (Oculus Rift CV1)"); - } - else - { - TraceLog(LOG_WARNING, "VR Simulator doesn't support selected device parameters,"); - TraceLog(LOG_WARNING, "using default VR Simulator parameters"); + case HMD_DEFAULT_DEVICE: + case HMD_OCULUS_RIFT_CV1: + { + // Oculus Rift CV1 parameters + // NOTE: CV1 represents a complete HMD redesign compared to previous versions, + // new Fresnel-hybrid-asymmetric lenses have been added and, consequently, + // previous parameters (DK2) and distortion shader (DK2) doesn't work any more. + // I just defined a set of parameters for simulator that approximate to CV1 stereo rendering + // but result is not the same obtained with Oculus PC SDK. + hmd.hResolution = 2160; // HMD horizontal resolution in pixels + hmd.vResolution = 1200; // HMD vertical resolution in pixels + hmd.hScreenSize = 0.133793f; // HMD horizontal size in meters + hmd.vScreenSize = 0.0669f; // HMD vertical size in meters + hmd.vScreenCenter = 0.04678f; // HMD screen center in meters + hmd.eyeToScreenDistance = 0.041f; // HMD distance between eye and display in meters + hmd.lensSeparationDistance = 0.07f; // HMD lens separation distance in meters + hmd.interpupillaryDistance = 0.07f; // HMD IPD (distance between pupils) in meters + hmd.lensDistortionValues[0] = 1.0f; // HMD lens distortion constant parameter 0 + hmd.lensDistortionValues[1] = 0.22f; // HMD lens distortion constant parameter 1 + hmd.lensDistortionValues[2] = 0.24f; // HMD lens distortion constant parameter 2 + hmd.lensDistortionValues[3] = 0.0f; // HMD lens distortion constant parameter 3 + hmd.chromaAbCorrection[0] = 0.996f; // HMD chromatic aberration correction parameter 0 + hmd.chromaAbCorrection[1] = -0.004f; // HMD chromatic aberration correction parameter 1 + hmd.chromaAbCorrection[2] = 1.014f; // HMD chromatic aberration correction parameter 2 + hmd.chromaAbCorrection[3] = 0.0f; // HMD chromatic aberration correction parameter 3 + + TraceLog(LOG_INFO, "Initializing VR Simulator (Oculus Rift CV1)"); + } break; + case HMD_OCULUS_RIFT_DK2: + { + // Oculus Rift DK2 parameters + hmd.hResolution = 1280; // HMD horizontal resolution in pixels + hmd.vResolution = 800; // HMD vertical resolution in pixels + hmd.hScreenSize = 0.14976f; // HMD horizontal size in meters + hmd.vScreenSize = 0.09356f; // HMD vertical size in meters + hmd.vScreenCenter = 0.04678f; // HMD screen center in meters + hmd.eyeToScreenDistance = 0.041f; // HMD distance between eye and display in meters + hmd.lensSeparationDistance = 0.0635f; // HMD lens separation distance in meters + hmd.interpupillaryDistance = 0.064f; // HMD IPD (distance between pupils) in meters + hmd.lensDistortionValues[0] = 1.0f; // HMD lens distortion constant parameter 0 + hmd.lensDistortionValues[1] = 0.22f; // HMD lens distortion constant parameter 1 + hmd.lensDistortionValues[2] = 0.24f; // HMD lens distortion constant parameter 2 + hmd.lensDistortionValues[3] = 0.0f; // HMD lens distortion constant parameter 3 + hmd.chromaAbCorrection[0] = 0.996f; // HMD chromatic aberration correction parameter 0 + hmd.chromaAbCorrection[1] = -0.004f; // HMD chromatic aberration correction parameter 1 + hmd.chromaAbCorrection[2] = 1.014f; // HMD chromatic aberration correction parameter 2 + hmd.chromaAbCorrection[3] = 0.0f; // HMD chromatic aberration correction parameter 3 + + TraceLog(LOG_INFO, "Initializing VR Simulator (Oculus Rift DK2)"); + } break; + case HMD_OCULUS_GO: + { + // TODO: Provide device display and lens parameters + } + case HMD_VALVE_HTC_VIVE: + { + // TODO: Provide device display and lens parameters + } + case HMD_SONY_PSVR: + { + // TODO: Provide device display and lens parameters + } + default: break; } + + return hmd; +} +// Init VR simulator for selected device parameters +// NOTE: It modifies the global variable: VrStereoConfig vrConfig +void InitVrSimulator(VrDeviceInfo info) +{ +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) // Initialize framebuffer and textures for stereo rendering - // NOTE: screen size should match HMD aspect ratio + // NOTE: Screen size should match HMD aspect ratio vrConfig.stereoFbo = rlLoadRenderTexture(screenWidth, screenHeight); #if defined(SUPPORT_DISTORTION_SHADER) @@ -2901,7 +2905,7 @@ void InitVrSimulator(int vrDevice) if (vrConfig.distortionShader.id > 0) SetShaderDefaultLocations(&vrConfig.distortionShader); #endif - SetStereoConfig(hmd); + SetStereoConfig(info); vrSimulatorReady = true; #endif @@ -2925,6 +2929,18 @@ void CloseVrSimulator(void) #endif } +// TODO: Review VR system to be more flexible, +// move distortion shader to user side, +// SetStereoConfig() must be reviewed... +/* +// Set VR view distortion shader +void SetVrDistortionShader(Shader shader) +{ + vrConfig.distortionShader = shader; + SetStereoConfig(info); +} +*/ + // Detect if VR simulator is running bool IsVrSimulatorReady(void) { @@ -3958,10 +3974,10 @@ static void SetStereoConfig(VrDeviceInfo hmd) // NOTE: To get lens max radius, lensShift must be normalized to [-1..1] float lensRadius = fabsf(-1.0f - 4.0f*lensShift); float lensRadiusSq = lensRadius*lensRadius; - float distortionScale = hmd.distortionK[0] + - hmd.distortionK[1]*lensRadiusSq + - hmd.distortionK[2]*lensRadiusSq*lensRadiusSq + - hmd.distortionK[3]*lensRadiusSq*lensRadiusSq*lensRadiusSq; + float distortionScale = hmd.lensDistortionValues[0] + + hmd.lensDistortionValues[1]*lensRadiusSq + + hmd.lensDistortionValues[2]*lensRadiusSq*lensRadiusSq + + hmd.lensDistortionValues[3]*lensRadiusSq*lensRadiusSq*lensRadiusSq; TraceLog(LOG_DEBUG, "VR: Distortion Scale: %f", distortionScale); @@ -3984,7 +4000,7 @@ static void SetStereoConfig(VrDeviceInfo hmd) SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "scale"), scale, 2); SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "scaleIn"), scaleIn, 2); - SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "hmdWarpParam"), hmd.distortionK, 4); + SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "hmdWarpParam"), hmd.lensDistortionValues, 4); SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "chromaAbParam"), hmd.chromaAbCorrection, 4); #endif @@ -4023,6 +4039,7 @@ static void SetStereoView(int eye, Matrix matProjection, Matrix matModelView) // Apply view offset to modelview matrix eyeModelView = MatrixMultiply(matModelView, vrConfig.eyesViewOffset[eye]); + // Set current eye projection matrix eyeProjection = vrConfig.eyesProjection[eye]; SetMatrixModelview(eyeModelView); @@ -269,6 +269,20 @@ typedef unsigned char byte; float fovy; // Camera field-of-view apperture in Y (degrees) } Camera; + // Head-Mounted-Display device parameters + typedef struct VrDeviceInfo { + int hResolution; // HMD horizontal resolution in pixels + int vResolution; // HMD vertical resolution in pixels + float hScreenSize; // HMD horizontal size in meters + float vScreenSize; // HMD vertical size in meters + float vScreenCenter; // HMD screen center in meters + float eyeToScreenDistance; // HMD distance between eye and display in meters + float lensSeparationDistance; // HMD lens separation distance in meters + float interpupillaryDistance; // HMD IPD (distance between pupils) in meters + float lensDistortionValues[4]; // HMD lens distortion constant parameters + float chromaAbCorrection[4]; // HMD chromatic aberration correction parameters + } VrDeviceInfo; + // TraceLog message types typedef enum { LOG_INFO = 0, @@ -332,12 +346,9 @@ typedef unsigned char byte; HMD_DEFAULT_DEVICE = 0, HMD_OCULUS_RIFT_DK2, HMD_OCULUS_RIFT_CV1, + HMD_OCULUS_GO, HMD_VALVE_HTC_VIVE, - HMD_SAMSUNG_GEAR_VR, - HMD_GOOGLE_CARDBOARD, - HMD_SONY_PLAYSTATION_VR, - HMD_RAZER_OSVR, - HMD_FOVE_VR, + HMD_SONY_PSVR } VrDevice; #endif @@ -457,7 +468,8 @@ void BeginBlendMode(int mode); // Begin blending mode ( void EndBlendMode(void); // End blending mode (reset to default: alpha blending) // VR simulator functionality -void InitVrSimulator(int vrDevice); // Init VR simulator for selected device +VrDeviceInfo GetVrDeviceInfo(int vrDeviceType); // Get VR device information for some standard devices +void InitVrSimulator(VrDeviceInfo info); // Init VR simulator for selected device parameters void CloseVrSimulator(void); // Close VR simulator for current device void UpdateVrTracking(Camera *camera); // Update VR tracking (position and orientation) and camera void ToggleVrMode(void); // Enable/Disable VR experience (device or simulator) |