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Merge remote-tracking branch 'refs/remotes/raysan5/develop' into develop

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victorfisac 2016-05-20 14:03:23 +02:00
commit 4f1bee3165
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3
.gitignore vendored
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@ -62,3 +62,6 @@ xcuserdata/
DerivedData/ DerivedData/
*.dll *.dll
src/libraylib.a src/libraylib.a
# oculus example
!examples/oculus_glfw_sample/LibOVRRT32_1.dll

36
examples/Makefile
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@ -85,13 +85,13 @@ ifeq ($(PLATFORM),PLATFORM_DESKTOP)
# add standard directories for GNU/Linux # add standard directories for GNU/Linux
ifeq ($(PLATFORM_OS),LINUX) ifeq ($(PLATFORM_OS),LINUX)
INCLUDES = -I. -I../src -I/usr/local/include/raylib/ INCLUDES = -I. -I../src -I/usr/local/include/raylib/
else ifeq ($(PLATFORM_OS),OSX)
INCLUDES = -I. -I../src
else else
INCLUDES = -I. -I../../src -IC:/raylib/raylib/src INCLUDES = -I. -I../../src -IC:/raylib/raylib/src
# external libraries headers # external libraries headers
# GLFW3 # GLFW3
INCLUDES += -I../../external/glfw3/include INCLUDES += -I../../external/glfw3/include
# GLEW - Not required any more, replaced by GLAD
#INCLUDES += -I../external/glew/include
# OpenAL Soft # OpenAL Soft
INCLUDES += -I../../external/openal_soft/include INCLUDES += -I../../external/openal_soft/include
endif endif
@ -105,6 +105,8 @@ ifeq ($(PLATFORM),PLATFORM_DESKTOP)
# add standard directories for GNU/Linux # add standard directories for GNU/Linux
ifeq ($(PLATFORM_OS),LINUX) ifeq ($(PLATFORM_OS),LINUX)
LFLAGS = -L. -L../../src LFLAGS = -L. -L../../src
else ifeq ($(PLATFORM_OS),OSX)
LFLAGS = -L. -L../src
else else
LFLAGS = -L. -L../../src -LC:/raylib/raylib/src LFLAGS = -L. -L../../src -LC:/raylib/raylib/src
# external libraries to link with # external libraries to link with
@ -113,30 +115,6 @@ ifeq ($(PLATFORM),PLATFORM_DESKTOP)
ifneq ($(PLATFORM_OS),OSX) ifneq ($(PLATFORM_OS),OSX)
# OpenAL Soft # OpenAL Soft
LFLAGS += -L../../external/openal_soft/lib/$(LIBPATH) LFLAGS += -L../../external/openal_soft/lib/$(LIBPATH)
# GLEW: Not used, replaced by GLAD
#LFLAGS += -L../../external/glew/lib/$(LIBPATH)
endif
endif
endif
# define library paths containing required libs
ifeq ($(PLATFORM),PLATFORM_RPI)
LFLAGS = -L. -L../../src -L/opt/vc/lib
endif
ifeq ($(PLATFORM),PLATFORM_DESKTOP)
# add standard directories for GNU/Linux
ifeq ($(PLATFORM_OS),LINUX)
LFLAGS = -L. -L../../src
else
LFLAGS = -L. -L../../src -LC:/raylib/raylib/src
# external libraries to link with
# GLFW3
LFLAGS += -L../../external/glfw3/lib/$(LIBPATH)
ifneq ($(PLATFORM_OS),OSX)
# OpenAL Soft
LFLAGS += -L../../external/openal_soft/lib/$(LIBPATH)
# GLEW
LFLAGS += -L../../external/glew/lib/$(LIBPATH)
endif endif
endif endif
endif endif
@ -147,15 +125,15 @@ ifeq ($(PLATFORM),PLATFORM_DESKTOP)
ifeq ($(PLATFORM_OS),LINUX) ifeq ($(PLATFORM_OS),LINUX)
# libraries for Debian GNU/Linux desktop compiling # libraries for Debian GNU/Linux desktop compiling
# requires the following packages: # requires the following packages:
# libglfw3-dev libopenal-dev libglew-dev libegl1-mesa-dev # libglfw3-dev libopenal-dev libegl1-mesa-dev
LIBS = -lraylib -lglfw3 -lGL -lopenal -lm -pthread -ldl -lX11 \ LIBS = -lraylib -lglfw3 -lGL -lopenal -lm -pthread -ldl -lX11 \
-lXrandr -lXinerama -lXi -lXxf86vm -lXcursor -lXrandr -lXinerama -lXi -lXxf86vm -lXcursor
else else
ifeq ($(PLATFORM_OS),OSX) ifeq ($(PLATFORM_OS),OSX)
# libraries for OS X 10.9 desktop compiling # libraries for OS X 10.9 desktop compiling
# requires the following packages: # requires the following packages:
# libglfw3-dev libopenal-dev libglew-dev libegl1-mesa-dev # libglfw3-dev libopenal-dev libegl1-mesa-dev
LIBS = -lraylib -lglfw -framework OpenGL -framework OpenAl -framework Cocoa LIBS = -lraylib -lglfw3 -framework OpenGL -framework OpenAl -framework Cocoa
else else
# libraries for Windows desktop compiling # libraries for Windows desktop compiling
# NOTE: GLFW3 and OpenAL Soft libraries should be installed # NOTE: GLFW3 and OpenAL Soft libraries should be installed

36
examples/core_2d_camera.c
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@ -22,11 +22,14 @@ int main()
Camera2D camera; Camera2D camera;
camera.position = (Vector2){ 0, 0 }; camera.offset = (Vector2){ 0, 0 };
camera.origin = (Vector2){ 100, 100 }; camera.target = (Vector2){ 400, 200 };
camera.rotation = 0.0f; camera.rotation = 0.0f;
camera.zoom = 1.0f; camera.zoom = 1.0f;
Rectangle player = { 400, 200, 40, 40 };
camera.target = (Vector2){ player.x + 20, player.y + 20 };
SetTargetFPS(60); SetTargetFPS(60);
//-------------------------------------------------------------------------------------- //--------------------------------------------------------------------------------------
@ -35,16 +38,28 @@ int main()
{ {
// Update // Update
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
if (IsKeyDown(KEY_RIGHT)) camera.position.x--; if (IsKeyDown(KEY_RIGHT)) player.x -= 2;
else if (IsKeyDown(KEY_LEFT)) camera.position.x++; else if (IsKeyDown(KEY_LEFT)) player.x += 2;
else if (IsKeyDown(KEY_UP)) camera.position.y++; else if (IsKeyDown(KEY_UP)) player.y -= 2;
else if (IsKeyDown(KEY_DOWN)) camera.position.y--; else if (IsKeyDown(KEY_DOWN)) player.y += 2;
// Camera target follows player
camera.target = (Vector2){ player.x + 20, player.y + 20 };
if (IsKeyDown(KEY_R)) camera.rotation--; if (IsKeyDown(KEY_R)) camera.rotation--;
else if (IsKeyDown(KEY_F)) camera.rotation++; else if (IsKeyDown(KEY_F)) camera.rotation++;
if (IsKeyDown(KEY_W)) camera.zoom += 0.005f; // Camera controls
if (IsKeyDown(KEY_S)) camera.zoom -= 0.005f; if (IsKeyDown(KEY_R)) camera.rotation--;
else if (IsKeyDown(KEY_F)) camera.rotation++;
camera.zoom += ((float)GetMouseWheelMove()*0.05f);
if (IsKeyPressed(KEY_Z))
{
camera.zoom = 1.0f;
camera.rotation = 0.0f;
}
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
// Draw // Draw
@ -56,7 +71,10 @@ int main()
DrawText("2D CAMERA TEST", 20, 20, 20, GRAY); DrawText("2D CAMERA TEST", 20, 20, 20, GRAY);
DrawRectangle(0, 300, screenWidth, 50, GRAY); DrawRectangle(0, 300, screenWidth, 50, GRAY);
DrawRectangle(400, 250, 40, 40, RED); DrawRectangleRec(player, RED);
DrawRectangle(camera.origin.x, 0, 1, screenHeight, GREEN);
DrawRectangle(0, camera.origin.y, screenWidth, 1, GREEN);
EndDrawing(); EndDrawing();
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------

10
examples/core_gestures_detection.c
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@ -34,7 +34,7 @@ int main()
//SetGesturesEnabled(0b0000000000001001); // Enable only some gestures to be detected //SetGesturesEnabled(0b0000000000001001); // Enable only some gestures to be detected
SetTargetFPS(30); SetTargetFPS(60);
//-------------------------------------------------------------------------------------- //--------------------------------------------------------------------------------------
// Main game loop // Main game loop
@ -43,12 +43,11 @@ int main()
// Update // Update
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
lastGesture = currentGesture; lastGesture = currentGesture;
currentGesture = GetGestureDetected();
touchPosition = GetTouchPosition(0); touchPosition = GetTouchPosition(0);
if (CheckCollisionPointRec(touchPosition, touchArea) && IsGestureDetected()) if (CheckCollisionPointRec(touchPosition, touchArea) && (currentGesture != GESTURE_NONE))
{ {
currentGesture = GetGestureType();
if (currentGesture != lastGesture) if (currentGesture != lastGesture)
{ {
// Store gesture string // Store gesture string
@ -62,6 +61,8 @@ int main()
case GESTURE_SWIPE_LEFT: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE LEFT"); break; case GESTURE_SWIPE_LEFT: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE LEFT"); break;
case GESTURE_SWIPE_UP: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE UP"); break; case GESTURE_SWIPE_UP: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE UP"); break;
case GESTURE_SWIPE_DOWN: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE DOWN"); break; case GESTURE_SWIPE_DOWN: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE DOWN"); break;
case GESTURE_PINCH_IN: strcpy(gestureStrings[gesturesCount], "GESTURE PINCH IN"); break;
case GESTURE_PINCH_OUT: strcpy(gestureStrings[gesturesCount], "GESTURE PINCH OUT"); break;
default: break; default: break;
} }
@ -76,7 +77,6 @@ int main()
} }
} }
} }
else currentGesture = GESTURE_NONE;
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
// Draw // Draw

2
examples/core_world_screen.c
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@ -43,7 +43,7 @@ int main()
UpdateCamera(&camera); // Update internal camera and our camera UpdateCamera(&camera); // Update internal camera and our camera
// Calculate cube screen space position (with a little offset to be in top) // Calculate cube screen space position (with a little offset to be in top)
cubeScreenPosition = WorldToScreen((Vector3){cubePosition.x, cubePosition.y + 2.5f, cubePosition.z}, camera); cubeScreenPosition = GetWorldToScreen((Vector3){cubePosition.x, cubePosition.y + 2.5f, cubePosition.z}, camera);
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
// Draw // Draw

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examples/oculus_glfw_sample/OculusSDK/LibOVR/Include/Extras/OVR_CAPI_Util.h Normal file
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@ -0,0 +1,196 @@
/********************************************************************************//**
\file OVR_CAPI_Util.h
\brief This header provides LibOVR utility function declarations
\copyright Copyright 2015-2016 Oculus VR, LLC All Rights reserved.
*************************************************************************************/
#ifndef OVR_CAPI_Util_h
#define OVR_CAPI_Util_h
#include "../OVR_CAPI.h"
#ifdef __cplusplus
extern "C" {
#endif
/// Enumerates modifications to the projection matrix based on the application's needs.
///
/// \see ovrMatrix4f_Projection
///
typedef enum ovrProjectionModifier_
{
/// Use for generating a default projection matrix that is:
/// * Right-handed.
/// * Near depth values stored in the depth buffer are smaller than far depth values.
/// * Both near and far are explicitly defined.
/// * With a clipping range that is (0 to w).
ovrProjection_None = 0x00,
/// Enable if using left-handed transformations in your application.
ovrProjection_LeftHanded = 0x01,
/// After the projection transform is applied, far values stored in the depth buffer will be less than closer depth values.
/// NOTE: Enable only if the application is using a floating-point depth buffer for proper precision.
ovrProjection_FarLessThanNear = 0x02,
/// When this flag is used, the zfar value pushed into ovrMatrix4f_Projection() will be ignored
/// NOTE: Enable only if ovrProjection_FarLessThanNear is also enabled where the far clipping plane will be pushed to infinity.
ovrProjection_FarClipAtInfinity = 0x04,
/// Enable if the application is rendering with OpenGL and expects a projection matrix with a clipping range of (-w to w).
/// Ignore this flag if your application already handles the conversion from D3D range (0 to w) to OpenGL.
ovrProjection_ClipRangeOpenGL = 0x08,
} ovrProjectionModifier;
/// Return values for ovr_Detect.
///
/// \see ovr_Detect
///
typedef struct OVR_ALIGNAS(8) ovrDetectResult_
{
/// Is ovrFalse when the Oculus Service is not running.
/// This means that the Oculus Service is either uninstalled or stopped.
/// IsOculusHMDConnected will be ovrFalse in this case.
/// Is ovrTrue when the Oculus Service is running.
/// This means that the Oculus Service is installed and running.
/// IsOculusHMDConnected will reflect the state of the HMD.
ovrBool IsOculusServiceRunning;
/// Is ovrFalse when an Oculus HMD is not detected.
/// If the Oculus Service is not running, this will be ovrFalse.
/// Is ovrTrue when an Oculus HMD is detected.
/// This implies that the Oculus Service is also installed and running.
ovrBool IsOculusHMDConnected;
OVR_UNUSED_STRUCT_PAD(pad0, 6) ///< \internal struct padding
} ovrDetectResult;
OVR_STATIC_ASSERT(sizeof(ovrDetectResult) == 8, "ovrDetectResult size mismatch");
/// Detects Oculus Runtime and Device Status
///
/// Checks for Oculus Runtime and Oculus HMD device status without loading the LibOVRRT
/// shared library. This may be called before ovr_Initialize() to help decide whether or
/// not to initialize LibOVR.
///
/// \param[in] timeoutMilliseconds Specifies a timeout to wait for HMD to be attached or 0 to poll.
///
/// \return Returns an ovrDetectResult object indicating the result of detection.
///
/// \see ovrDetectResult
///
OVR_PUBLIC_FUNCTION(ovrDetectResult) ovr_Detect(int timeoutMilliseconds);
// On the Windows platform,
#ifdef _WIN32
/// This is the Windows Named Event name that is used to check for HMD connected state.
#define OVR_HMD_CONNECTED_EVENT_NAME L"OculusHMDConnected"
#endif // _WIN32
/// Used to generate projection from ovrEyeDesc::Fov.
///
/// \param[in] fov Specifies the ovrFovPort to use.
/// \param[in] znear Distance to near Z limit.
/// \param[in] zfar Distance to far Z limit.
/// \param[in] projectionModFlags A combination of the ovrProjectionModifier flags.
///
/// \return Returns the calculated projection matrix.
///
/// \see ovrProjectionModifier
///
OVR_PUBLIC_FUNCTION(ovrMatrix4f) ovrMatrix4f_Projection(ovrFovPort fov, float znear, float zfar, unsigned int projectionModFlags);
/// Extracts the required data from the result of ovrMatrix4f_Projection.
///
/// \param[in] projection Specifies the project matrix from which to extract ovrTimewarpProjectionDesc.
/// \param[in] projectionModFlags A combination of the ovrProjectionModifier flags.
/// \return Returns the extracted ovrTimewarpProjectionDesc.
/// \see ovrTimewarpProjectionDesc
///
OVR_PUBLIC_FUNCTION(ovrTimewarpProjectionDesc) ovrTimewarpProjectionDesc_FromProjection(ovrMatrix4f projection, unsigned int projectionModFlags);
/// Generates an orthographic sub-projection.
///
/// Used for 2D rendering, Y is down.
///
/// \param[in] projection The perspective matrix that the orthographic matrix is derived from.
/// \param[in] orthoScale Equal to 1.0f / pixelsPerTanAngleAtCenter.
/// \param[in] orthoDistance Equal to the distance from the camera in meters, such as 0.8m.
/// \param[in] HmdToEyeOffsetX Specifies the offset of the eye from the center.
///
/// \return Returns the calculated projection matrix.
///
OVR_PUBLIC_FUNCTION(ovrMatrix4f) ovrMatrix4f_OrthoSubProjection(ovrMatrix4f projection, ovrVector2f orthoScale,
float orthoDistance, float HmdToEyeOffsetX);
/// Computes offset eye poses based on headPose returned by ovrTrackingState.
///
/// \param[in] headPose Indicates the HMD position and orientation to use for the calculation.
/// \param[in] HmdToEyeOffset Can be ovrEyeRenderDesc.HmdToEyeOffset returned from
/// ovr_GetRenderDesc. For monoscopic rendering, use a vector that is the average
/// of the two vectors for both eyes.
/// \param[out] outEyePoses If outEyePoses are used for rendering, they should be passed to
/// ovr_SubmitFrame in ovrLayerEyeFov::RenderPose or ovrLayerEyeFovDepth::RenderPose.
///
OVR_PUBLIC_FUNCTION(void) ovr_CalcEyePoses(ovrPosef headPose,
const ovrVector3f HmdToEyeOffset[2],
ovrPosef outEyePoses[2]);
/// Returns the predicted head pose in outHmdTrackingState and offset eye poses in outEyePoses.
///
/// This is a thread-safe function where caller should increment frameIndex with every frame
/// and pass that index where applicable to functions called on the rendering thread.
/// Assuming outEyePoses are used for rendering, it should be passed as a part of ovrLayerEyeFov.
/// The caller does not need to worry about applying HmdToEyeOffset to the returned outEyePoses variables.
///
/// \param[in] hmd Specifies an ovrSession previously returned by ovr_Create.
/// \param[in] frameIndex Specifies the targeted frame index, or 0 to refer to one frame after
/// the last time ovr_SubmitFrame was called.
/// \param[in] HmdToEyeOffset Can be ovrEyeRenderDesc.HmdToEyeOffset returned from
/// ovr_GetRenderDesc. For monoscopic rendering, use a vector that is the average
/// of the two vectors for both eyes.
/// \param[in] latencyMarker Specifies that this call is the point in time where
/// the "App-to-Mid-Photon" latency timer starts from. If a given ovrLayer
/// provides "SensorSampleTimestamp", that will override the value stored here.
/// \param[out] outEyePoses The predicted eye poses.
/// \param[out] outSensorSampleTime The time when this function was called. May be NULL, in which case it is ignored.
///
OVR_PUBLIC_FUNCTION(void) ovr_GetEyePoses(ovrSession session, long long frameIndex, ovrBool latencyMarker,
const ovrVector3f HmdToEyeOffset[2],
ovrPosef outEyePoses[2],
double* outSensorSampleTime);
/// Tracking poses provided by the SDK come in a right-handed coordinate system. If an application
/// is passing in ovrProjection_LeftHanded into ovrMatrix4f_Projection, then it should also use
/// this function to flip the HMD tracking poses to be left-handed.
///
/// While this utility function is intended to convert a left-handed ovrPosef into a right-handed
/// coordinate system, it will also work for converting right-handed to left-handed since the
/// flip operation is the same for both cases.
///
/// \param[in] inPose that is right-handed
/// \param[out] outPose that is requested to be left-handed (can be the same pointer to inPose)
///
OVR_PUBLIC_FUNCTION(void) ovrPosef_FlipHandedness(const ovrPosef* inPose, ovrPosef* outPose);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif // Header include guard

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examples/oculus_glfw_sample/OculusSDK/LibOVR/Include/Extras/OVR_Math.h Normal file
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examples/oculus_glfw_sample/OculusSDK/LibOVR/Include/Extras/OVR_StereoProjection.h Normal file
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@ -0,0 +1,70 @@
/************************************************************************************
Filename : OVR_StereoProjection.h
Content : Stereo projection functions
Created : November 30, 2013
Authors : Tom Fosyth
Copyright : Copyright 2014-2016 Oculus VR, LLC All Rights reserved.
Licensed under the Oculus VR Rift SDK License Version 3.3 (the "License");
you may not use the Oculus VR Rift SDK except in compliance with the License,
which is provided at the time of installation or download, or which
otherwise accompanies this software in either electronic or hard copy form.
You may obtain a copy of the License at
http://www.oculusvr.com/licenses/LICENSE-3.3
Unless required by applicable law or agreed to in writing, the Oculus VR SDK
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_StereoProjection_h
#define OVR_StereoProjection_h
#include "Extras/OVR_Math.h"
namespace OVR {
//-----------------------------------------------------------------------------------
// ***** Stereo Enumerations
// StereoEye specifies which eye we are rendering for; it is used to
// retrieve StereoEyeParams.
enum StereoEye
{
StereoEye_Left,
StereoEye_Right,
StereoEye_Center
};
//-----------------------------------------------------------------------------------
// ***** Propjection functions
Matrix4f CreateProjection ( bool rightHanded, bool isOpenGL, FovPort fov, StereoEye eye,
float zNear = 0.01f, float zFar = 10000.0f,
bool flipZ = false, bool farAtInfinity = false);
Matrix4f CreateOrthoSubProjection ( bool rightHanded, StereoEye eyeType,
float tanHalfFovX, float tanHalfFovY,
float unitsX, float unitsY, float distanceFromCamera,
float interpupillaryDistance, Matrix4f const &projection,
float zNear = 0.0f, float zFar = 0.0f,
bool flipZ = false, bool farAtInfinity = false);
ScaleAndOffset2D CreateNDCScaleAndOffsetFromFov ( FovPort fov );
} //namespace OVR
#endif // OVR_StereoProjection_h

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examples/oculus_glfw_sample/OculusSDK/LibOVR/Include/OVR_CAPI_Audio.h Normal file
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/********************************************************************************//**
\file OVR_CAPI_Audio.h
\brief CAPI audio functions.
\copyright Copyright 2015 Oculus VR, LLC. All Rights reserved.
************************************************************************************/
#ifndef OVR_CAPI_Audio_h
#define OVR_CAPI_Audio_h
#ifdef _WIN32
#include <windows.h>
#include "OVR_CAPI.h"
#define OVR_AUDIO_MAX_DEVICE_STR_SIZE 128
/// Gets the ID of the preferred VR audio output device.
///
/// \param[out] deviceOutId The ID of the user's preferred VR audio device to use, which will be valid upon a successful return value, else it will be WAVE_MAPPER.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetAudioDeviceOutWaveId(UINT* deviceOutId);
/// Gets the ID of the preferred VR audio input device.
///
/// \param[out] deviceInId The ID of the user's preferred VR audio device to use, which will be valid upon a successful return value, else it will be WAVE_MAPPER.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetAudioDeviceInWaveId(UINT* deviceInId);
/// Gets the GUID of the preferred VR audio device as a string.
///
/// \param[out] deviceOutStrBuffer A buffer where the GUID string for the device will copied to.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetAudioDeviceOutGuidStr(WCHAR deviceOutStrBuffer[OVR_AUDIO_MAX_DEVICE_STR_SIZE]);
/// Gets the GUID of the preferred VR audio device.
///
/// \param[out] deviceOutGuid The GUID of the user's preferred VR audio device to use, which will be valid upon a successful return value, else it will be NULL.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetAudioDeviceOutGuid(GUID* deviceOutGuid);
/// Gets the GUID of the preferred VR microphone device as a string.
///
/// \param[out] deviceInStrBuffer A buffer where the GUID string for the device will copied to.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetAudioDeviceInGuidStr(WCHAR deviceInStrBuffer[OVR_AUDIO_MAX_DEVICE_STR_SIZE]);
/// Gets the GUID of the preferred VR microphone device.
///
/// \param[out] deviceInGuid The GUID of the user's preferred VR audio device to use, which will be valid upon a successful return value, else it will be NULL.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetAudioDeviceInGuid(GUID* deviceInGuid);
#endif //OVR_OS_MS
#endif // OVR_CAPI_Audio_h

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examples/oculus_glfw_sample/OculusSDK/LibOVR/Include/OVR_CAPI_D3D.h Normal file
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/********************************************************************************//**
\file OVR_CAPI_D3D.h
\brief D3D specific structures used by the CAPI interface.
\copyright Copyright 2014-2016 Oculus VR, LLC All Rights reserved.
************************************************************************************/
#ifndef OVR_CAPI_D3D_h
#define OVR_CAPI_D3D_h
#include "OVR_CAPI.h"
#include "OVR_Version.h"
#if defined (_WIN32)
#include <Unknwn.h>
//-----------------------------------------------------------------------------------
// ***** Direct3D Specific
/// Create Texture Swap Chain suitable for use with Direct3D 11 and 12.
///
/// \param[in] session Specifies an ovrSession previously returned by ovr_Create.
/// \param[in] d3dPtr Specifies the application's D3D11Device to create resources with or the D3D12CommandQueue
/// which must be the same one the application renders to the eye textures with.
/// \param[in] desc Specifies requested texture properties. See notes for more info about texture format.
/// \param[in] bindFlags Specifies what ovrTextureBindFlags the application requires for this texture chain.
/// \param[out] out_TextureSwapChain Returns the created ovrTextureSwapChain, which will be valid upon a successful return value, else it will be NULL.
/// This texture chain must be eventually destroyed via ovr_DestroyTextureSwapChain before destroying the HMD with ovr_Destroy.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
/// \note The texture format provided in \a desc should be thought of as the format the distortion-compositor will use for the
/// ShaderResourceView when reading the contents of the texture. To that end, it is highly recommended that the application
/// requests texture swapchain formats that are in sRGB-space (e.g. OVR_FORMAT_R8G8B8A8_UNORM_SRGB) as the compositor
/// does sRGB-correct rendering. As such, the compositor relies on the GPU's hardware sampler to do the sRGB-to-linear
/// conversion. If the application still prefers to render to a linear format (e.g. OVR_FORMAT_R8G8B8A8_UNORM) while handling the
/// linear-to-gamma conversion via HLSL code, then the application must still request the corresponding sRGB format and also use
/// the \a ovrTextureMisc_DX_Typeless flag in the ovrTextureSwapChainDesc's Flag field. This will allow the application to create
/// a RenderTargetView that is the desired linear format while the compositor continues to treat it as sRGB. Failure to do so
/// will cause the compositor to apply unexpected gamma conversions leading to gamma-curve artifacts. The \a ovrTextureMisc_DX_Typeless
/// flag for depth buffer formats (e.g. OVR_FORMAT_D32_FLOAT) is ignored as they are always converted to be typeless.
///
/// \see ovr_GetTextureSwapChainLength
/// \see ovr_GetTextureSwapChainCurrentIndex
/// \see ovr_GetTextureSwapChainDesc
/// \see ovr_GetTextureSwapChainBufferDX
/// \see ovr_DestroyTextureSwapChain
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_CreateTextureSwapChainDX(ovrSession session,
IUnknown* d3dPtr,
const ovrTextureSwapChainDesc* desc,
ovrTextureSwapChain* out_TextureSwapChain);
/// Get a specific buffer within the chain as any compatible COM interface (similar to QueryInterface)
///
/// \param[in] session Specifies an ovrSession previously returned by ovr_Create.
/// \param[in] chain Specifies an ovrTextureSwapChain previously returned by ovr_CreateTextureSwapChainDX
/// \param[in] index Specifies the index within the chain to retrieve. Must be between 0 and length (see ovr_GetTextureSwapChainLength),
/// or may pass -1 to get the buffer at the CurrentIndex location. (Saving a call to GetTextureSwapChainCurrentIndex)
/// \param[in] iid Specifies the interface ID of the interface pointer to query the buffer for.
/// \param[out] out_Buffer Returns the COM interface pointer retrieved.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
/// <b>Example code</b>
/// \code{.cpp}
/// ovr_GetTextureSwapChainBuffer(session, chain, 0, IID_ID3D11Texture2D, &d3d11Texture);
/// ovr_GetTextureSwapChainBuffer(session, chain, 1, IID_PPV_ARGS(&dxgiResource));
/// \endcode
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetTextureSwapChainBufferDX(ovrSession session,
ovrTextureSwapChain chain,
int index,
IID iid,
void** out_Buffer);
/// Create Mirror Texture which is auto-refreshed to mirror Rift contents produced by this application.
///
/// A second call to ovr_CreateMirrorTextureDX for a given ovrSession before destroying the first one
/// is not supported and will result in an error return.
///
/// \param[in] session Specifies an ovrSession previously returned by ovr_Create.
/// \param[in] d3dPtr Specifies the application's D3D11Device to create resources with or the D3D12CommandQueue
/// which must be the same one the application renders to the textures with.
/// \param[in] desc Specifies requested texture properties. See notes for more info about texture format.
/// \param[out] out_MirrorTexture Returns the created ovrMirrorTexture, which will be valid upon a successful return value, else it will be NULL.
/// This texture must be eventually destroyed via ovr_DestroyMirrorTexture before destroying the HMD with ovr_Destroy.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
/// \note The texture format provided in \a desc should be thought of as the format the compositor will use for the RenderTargetView when
/// writing into mirror texture. To that end, it is highly recommended that the application requests a mirror texture format that is
/// in sRGB-space (e.g. OVR_FORMAT_R8G8B8A8_UNORM_SRGB) as the compositor does sRGB-correct rendering. If however the application wants
/// to still read the mirror texture as a linear format (e.g. OVR_FORMAT_R8G8B8A8_UNORM) and handle the sRGB-to-linear conversion in
/// HLSL code, then it is recommended the application still requests an sRGB format and also use the \a ovrTextureMisc_DX_Typeless flag in the
/// ovrMirrorTextureDesc's Flags field. This will allow the application to bind a ShaderResourceView that is a linear format while the
/// compositor continues to treat is as sRGB. Failure to do so will cause the compositor to apply unexpected gamma conversions leading to
/// gamma-curve artifacts.
///
/// \see ovr_GetMirrorTextureBufferDX
/// \see ovr_DestroyMirrorTexture
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_CreateMirrorTextureDX(ovrSession session,
IUnknown* d3dPtr,
const ovrMirrorTextureDesc* desc,
ovrMirrorTexture* out_MirrorTexture);
/// Get a the underlying buffer as any compatible COM interface (similar to QueryInterface)
///
/// \param[in] session Specifies an ovrSession previously returned by ovr_Create.
/// \param[in] mirrorTexture Specifies an ovrMirrorTexture previously returned by ovr_CreateMirrorTextureDX
/// \param[in] iid Specifies the interface ID of the interface pointer to query the buffer for.
/// \param[out] out_Buffer Returns the COM interface pointer retrieved.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetMirrorTextureBufferDX(ovrSession session,
ovrMirrorTexture mirrorTexture,
IID iid,
void** out_Buffer);
#endif // _WIN32
#endif // OVR_CAPI_D3D_h

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/********************************************************************************//**
\file OVR_CAPI_GL.h
\brief OpenGL-specific structures used by the CAPI interface.
\copyright Copyright 2015 Oculus VR, LLC. All Rights reserved.
************************************************************************************/
#ifndef OVR_CAPI_GL_h
#define OVR_CAPI_GL_h
#include "OVR_CAPI.h"
/// Creates a TextureSwapChain suitable for use with OpenGL.
///
/// \param[in] session Specifies an ovrSession previously returned by ovr_Create.
/// \param[in] desc Specifies the requested texture properties. See notes for more info about texture format.
/// \param[out] out_TextureSwapChain Returns the created ovrTextureSwapChain, which will be valid upon
/// a successful return value, else it will be NULL. This texture swap chain must be eventually
/// destroyed via ovr_DestroyTextureSwapChain before destroying the HMD with ovr_Destroy.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
/// \note The \a format provided should be thought of as the format the distortion compositor will use when reading
/// the contents of the texture. To that end, it is highly recommended that the application requests texture swap chain
/// formats that are in sRGB-space (e.g. OVR_FORMAT_R8G8B8A8_UNORM_SRGB) as the distortion compositor does sRGB-correct
/// rendering. Furthermore, the app should then make sure "glEnable(GL_FRAMEBUFFER_SRGB);" is called before rendering
/// into these textures. Even though it is not recommended, if the application would like to treat the texture as a linear
/// format and do linear-to-gamma conversion in GLSL, then the application can avoid calling "glEnable(GL_FRAMEBUFFER_SRGB);",
/// but should still pass in an sRGB variant for the \a format. Failure to do so will cause the distortion compositor
/// to apply incorrect gamma conversions leading to gamma-curve artifacts.
///
/// \see ovr_GetTextureSwapChainLength
/// \see ovr_GetTextureSwapChainCurrentIndex
/// \see ovr_GetTextureSwapChainDesc
/// \see ovr_GetTextureSwapChainBufferGL
/// \see ovr_DestroyTextureSwapChain
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_CreateTextureSwapChainGL(ovrSession session,
const ovrTextureSwapChainDesc* desc,
ovrTextureSwapChain* out_TextureSwapChain);
/// Get a specific buffer within the chain as a GL texture name
///
/// \param[in] session Specifies an ovrSession previously returned by ovr_Create.
/// \param[in] chain Specifies an ovrTextureSwapChain previously returned by ovr_CreateTextureSwapChainGL
/// \param[in] index Specifies the index within the chain to retrieve. Must be between 0 and length (see ovr_GetTextureSwapChainLength)
/// or may pass -1 to get the buffer at the CurrentIndex location. (Saving a call to GetTextureSwapChainCurrentIndex)
/// \param[out] out_TexId Returns the GL texture object name associated with the specific index requested
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetTextureSwapChainBufferGL(ovrSession session,
ovrTextureSwapChain chain,
int index,
unsigned int* out_TexId);
/// Creates a Mirror Texture which is auto-refreshed to mirror Rift contents produced by this application.
///
/// A second call to ovr_CreateMirrorTextureGL for a given ovrSession before destroying the first one
/// is not supported and will result in an error return.
///
/// \param[in] session Specifies an ovrSession previously returned by ovr_Create.
/// \param[in] desc Specifies the requested mirror texture description.
/// \param[out] out_MirrorTexture Specifies the created ovrMirrorTexture, which will be valid upon a successful return value, else it will be NULL.
/// This texture must be eventually destroyed via ovr_DestroyMirrorTexture before destroying the HMD with ovr_Destroy.
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
/// \note The \a format provided should be thought of as the format the distortion compositor will use when writing into the mirror
/// texture. It is highly recommended that mirror textures are requested as sRGB formats because the distortion compositor
/// does sRGB-correct rendering. If the application requests a non-sRGB format (e.g. R8G8B8A8_UNORM) as the mirror texture,
/// then the application might have to apply a manual linear-to-gamma conversion when reading from the mirror texture.
/// Failure to do so can result in incorrect gamma conversions leading to gamma-curve artifacts and color banding.
///
/// \see ovr_GetMirrorTextureBufferGL
/// \see ovr_DestroyMirrorTexture
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_CreateMirrorTextureGL(ovrSession session,
const ovrMirrorTextureDesc* desc,
ovrMirrorTexture* out_MirrorTexture);
/// Get a the underlying buffer as a GL texture name
///
/// \param[in] session Specifies an ovrSession previously returned by ovr_Create.
/// \param[in] mirrorTexture Specifies an ovrMirrorTexture previously returned by ovr_CreateMirrorTextureGL
/// \param[out] out_TexId Specifies the GL texture object name associated with the mirror texture
///
/// \return Returns an ovrResult indicating success or failure. In the case of failure, use
/// ovr_GetLastErrorInfo to get more information.
///
OVR_PUBLIC_FUNCTION(ovrResult) ovr_GetMirrorTextureBufferGL(ovrSession session,
ovrMirrorTexture mirrorTexture,
unsigned int* out_TexId);
#endif // OVR_CAPI_GL_h

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/********************************************************************************//**
\file OVR_CAPI.h
\brief Keys for CAPI proprty function calls
\copyright Copyright 2015 Oculus VR, LLC All Rights reserved.
************************************************************************************/
#ifndef OVR_CAPI_Keys_h
#define OVR_CAPI_Keys_h
#include "OVR_Version.h"
#define OVR_KEY_USER "User" // string
#define OVR_KEY_NAME "Name" // string
#define OVR_KEY_GENDER "Gender" // string "Male", "Female", or "Unknown"
#define OVR_DEFAULT_GENDER "Unknown"
#define OVR_KEY_PLAYER_HEIGHT "PlayerHeight" // float meters
#define OVR_DEFAULT_PLAYER_HEIGHT 1.778f
#define OVR_KEY_EYE_HEIGHT "EyeHeight" // float meters
#define OVR_DEFAULT_EYE_HEIGHT 1.675f
#define OVR_KEY_NECK_TO_EYE_DISTANCE "NeckEyeDistance" // float[2] meters
#define OVR_DEFAULT_NECK_TO_EYE_HORIZONTAL 0.0805f
#define OVR_DEFAULT_NECK_TO_EYE_VERTICAL 0.075f
#define OVR_KEY_EYE_TO_NOSE_DISTANCE "EyeToNoseDist" // float[2] meters
#define OVR_PERF_HUD_MODE "PerfHudMode" // int, allowed values are defined in enum ovrPerfHudMode
#define OVR_LAYER_HUD_MODE "LayerHudMode" // int, allowed values are defined in enum ovrLayerHudMode
#define OVR_LAYER_HUD_CURRENT_LAYER "LayerHudCurrentLayer" // int, The layer to show
#define OVR_LAYER_HUD_SHOW_ALL_LAYERS "LayerHudShowAll" // bool, Hide other layers when the hud is enabled
#define OVR_DEBUG_HUD_STEREO_MODE "DebugHudStereoMode" // int, allowed values are defined in enum ovrDebugHudStereoMode
#define OVR_DEBUG_HUD_STEREO_GUIDE_INFO_ENABLE "DebugHudStereoGuideInfoEnable" // bool
#define OVR_DEBUG_HUD_STEREO_GUIDE_SIZE "DebugHudStereoGuideSize2f" // float[2]
#define OVR_DEBUG_HUD_STEREO_GUIDE_POSITION "DebugHudStereoGuidePosition3f" // float[3]
#define OVR_DEBUG_HUD_STEREO_GUIDE_YAWPITCHROLL "DebugHudStereoGuideYawPitchRoll3f" // float[3]
#define OVR_DEBUG_HUD_STEREO_GUIDE_COLOR "DebugHudStereoGuideColor4f" // float[4]
#endif // OVR_CAPI_Keys_h

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/********************************************************************************//**
\file OVR_ErrorCode.h
\brief This header provides LibOVR error code declarations.
\copyright Copyright 2015-2016 Oculus VR, LLC All Rights reserved.
*************************************************************************************/
#ifndef OVR_ErrorCode_h
#define OVR_ErrorCode_h
#include "OVR_Version.h"
#include <stdint.h>
#ifndef OVR_RESULT_DEFINED
#define OVR_RESULT_DEFINED ///< Allows ovrResult to be independently defined.
/// API call results are represented at the highest level by a single ovrResult.
typedef int32_t ovrResult;
#endif
/// \brief Indicates if an ovrResult indicates success.
///
/// Some functions return additional successful values other than ovrSucces and
/// require usage of this macro to indicate successs.
///
#if !defined(OVR_SUCCESS)
#define OVR_SUCCESS(result) (result >= 0)
#endif
/// \brief Indicates if an ovrResult indicates an unqualified success.
///
/// This is useful for indicating that the code intentionally wants to
/// check for result == ovrSuccess as opposed to OVR_SUCCESS(), which
/// checks for result >= ovrSuccess.
///
#if !defined(OVR_UNQUALIFIED_SUCCESS)
#define OVR_UNQUALIFIED_SUCCESS(result) (result == ovrSuccess)
#endif
/// \brief Indicates if an ovrResult indicates failure.
///
#if !defined(OVR_FAILURE)
#define OVR_FAILURE(result) (!OVR_SUCCESS(result))
#endif
// Success is a value greater or equal to 0, while all error types are negative values.
#ifndef OVR_SUCCESS_DEFINED
#define OVR_SUCCESS_DEFINED ///< Allows ovrResult to be independently defined.
typedef enum ovrSuccessType_
{
/// This is a general success result. Use OVR_SUCCESS to test for success.
ovrSuccess = 0,
/// Returned from a call to SubmitFrame. The call succeeded, but what the app
/// rendered will not be visible on the HMD. Ideally the app should continue
/// calling SubmitFrame, but not do any rendering. When the result becomes
/// ovrSuccess, rendering should continue as usual.
ovrSuccess_NotVisible = 1000,
ovrSuccess_HMDFirmwareMismatch = 4100, ///< The HMD Firmware is out of date but is acceptable.
ovrSuccess_TrackerFirmwareMismatch = 4101, ///< The Tracker Firmware is out of date but is acceptable.
ovrSuccess_ControllerFirmwareMismatch = 4104, ///< The controller firmware is out of date but is acceptable.
ovrSuccess_TrackerDriverNotFound = 4105, ///< The tracker driver interface was not found. Can be a temporary error
} ovrSuccessType;
#endif
typedef enum ovrErrorType_
{
/* General errors */
ovrError_MemoryAllocationFailure = -1000, ///< Failure to allocate memory.
ovrError_SocketCreationFailure = -1001, ///< Failure to create a socket.
ovrError_InvalidSession = -1002, ///< Invalid ovrSession parameter provided.
ovrError_Timeout = -1003, ///< The operation timed out.
ovrError_NotInitialized = -1004, ///< The system or component has not been initialized.
ovrError_InvalidParameter = -1005, ///< Invalid parameter provided. See error info or log for details.
ovrError_ServiceError = -1006, ///< Generic service error. See error info or log for details.
ovrError_NoHmd = -1007, ///< The given HMD doesn't exist.
ovrError_Unsupported = -1009, ///< Function call is not supported on this hardware/software
ovrError_DeviceUnavailable = -1010, ///< Specified device type isn't available.
ovrError_InvalidHeadsetOrientation = -1011, ///< The headset was in an invalid orientation for the requested operation (e.g. vertically oriented during ovr_RecenterPose).
ovrError_ClientSkippedDestroy = -1012, ///< The client failed to call ovr_Destroy on an active session before calling ovr_Shutdown. Or the client crashed.
ovrError_ClientSkippedShutdown = -1013, ///< The client failed to call ovr_Shutdown or the client crashed.
/* Audio error range, reserved for Audio errors. */
ovrError_AudioReservedBegin = -2000, ///< First Audio error.
ovrError_AudioDeviceNotFound = -2001, ///< Failure to find the specified audio device.
ovrError_AudioComError = -2002, ///< Generic COM error.
ovrError_AudioReservedEnd = -2999, ///< Last Audio error.
/* Initialization errors. */
ovrError_Initialize = -3000, ///< Generic initialization error.
ovrError_LibLoad = -3001, ///< Couldn't load LibOVRRT.
ovrError_LibVersion = -3002, ///< LibOVRRT version incompatibility.
ovrError_ServiceConnection = -3003, ///< Couldn't connect to the OVR Service.
ovrError_ServiceVersion = -3004, ///< OVR Service version incompatibility.
ovrError_IncompatibleOS = -3005, ///< The operating system version is incompatible.
ovrError_DisplayInit = -3006, ///< Unable to initialize the HMD display.
ovrError_ServerStart = -3007, ///< Unable to start the server. Is it already running?
ovrError_Reinitialization = -3008, ///< Attempting to re-initialize with a different version.
ovrError_MismatchedAdapters = -3009, ///< Chosen rendering adapters between client and service do not match
ovrError_LeakingResources = -3010, ///< Calling application has leaked resources
ovrError_ClientVersion = -3011, ///< Client version too old to connect to service
ovrError_OutOfDateOS = -3012, ///< The operating system is out of date.
ovrError_OutOfDateGfxDriver = -3013, ///< The graphics driver is out of date.
ovrError_IncompatibleGPU = -3014, ///< The graphics hardware is not supported
ovrError_NoValidVRDisplaySystem = -3015, ///< No valid VR display system found.
ovrError_Obsolete = -3016, ///< Feature or API is obsolete and no longer supported.
ovrError_DisabledOrDefaultAdapter = -3017, ///< No supported VR display system found, but disabled or driverless adapter found.
ovrError_HybridGraphicsNotSupported = -3018, ///< The system is using hybrid graphics (Optimus, etc...), which is not support.
ovrError_DisplayManagerInit = -3019, ///< Initialization of the DisplayManager failed.
ovrError_TrackerDriverInit = -3020, ///< Failed to get the interface for an attached tracker
/* Hardware errors */
ovrError_InvalidBundleAdjustment = -4000, ///< Headset has no bundle adjustment data.
ovrError_USBBandwidth = -4001, ///< The USB hub cannot handle the camera frame bandwidth.
ovrError_USBEnumeratedSpeed = -4002, ///< The USB camera is not enumerating at the correct device speed.
ovrError_ImageSensorCommError = -4003, ///< Unable to communicate with the image sensor.
ovrError_GeneralTrackerFailure = -4004, ///< We use this to report various sensor issues that don't fit in an easily classifiable bucket.
ovrError_ExcessiveFrameTruncation = -4005, ///< A more than acceptable number of frames are coming back truncated.
ovrError_ExcessiveFrameSkipping = -4006, ///< A more than acceptable number of frames have been skipped.
ovrError_SyncDisconnected = -4007, ///< The sensor is not receiving the sync signal (cable disconnected?).
ovrError_TrackerMemoryReadFailure = -4008, ///< Failed to read memory from the sensor.
ovrError_TrackerMemoryWriteFailure = -4009, ///< Failed to write memory from the sensor.
ovrError_TrackerFrameTimeout = -4010, ///< Timed out waiting for a camera frame.
ovrError_TrackerTruncatedFrame = -4011, ///< Truncated frame returned from sensor.
ovrError_TrackerDriverFailure = -4012, ///< The sensor driver has encountered a problem.
ovrError_TrackerNRFFailure = -4013, ///< The sensor wireless subsystem has encountered a problem.
ovrError_HardwareGone = -4014, ///< The hardware has been unplugged
ovrError_NordicEnabledNoSync = -4015, ///< The nordic indicates that sync is enabled but it is not sending sync pulses
ovrError_NordicSyncNoFrames = -4016, ///< It looks like we're getting a sync signal, but no camera frames have been received
ovrError_CatastrophicFailure = -4017, ///< A catastrophic failure has occurred. We will attempt to recover by resetting the device
ovrError_HMDFirmwareMismatch = -4100, ///< The HMD Firmware is out of date and is unacceptable.
ovrError_TrackerFirmwareMismatch = -4101, ///< The sensor Firmware is out of date and is unacceptable.
ovrError_BootloaderDeviceDetected = -4102, ///< A bootloader HMD is detected by the service.
ovrError_TrackerCalibrationError = -4103, ///< The sensor calibration is missing or incorrect.
ovrError_ControllerFirmwareMismatch = -4104, ///< The controller firmware is out of date and is unacceptable.
ovrError_IMUTooManyLostSamples = -4200, ///< Too many lost IMU samples.
ovrError_IMURateError = -4201, ///< IMU rate is outside of the expected range.
ovrError_FeatureReportFailure = -4202, ///< A feature report has failed.
/* Synchronization errors */
ovrError_Incomplete = -5000, ///<Requested async work not yet complete.
ovrError_Abandoned = -5001, ///<Requested async work was abandoned and result is incomplete.
/* Rendering errors */
ovrError_DisplayLost = -6000, ///<In the event of a system-wide graphics reset or cable unplug this is returned to the app.
ovrError_TextureSwapChainFull = -6001, ///<ovr_CommitTextureSwapChain was called too many times on a texture swapchain without calling submit to use the chain.
ovrError_TextureSwapChainInvalid = -6002, ///<The ovrTextureSwapChain is in an incomplete or inconsistent state. Ensure ovr_CommitTextureSwapChain was called at least once first.
/* Fatal errors */
ovrError_RuntimeException = -7000, ///< A runtime exception occurred. The application is required to shutdown LibOVR and re-initialize it before this error state will be cleared.
ovrError_MetricsUnknownApp = -90000,
ovrError_MetricsDuplicateApp = -90001,
ovrError_MetricsNoEvents = -90002,
ovrError_MetricsRuntime = -90003,
ovrError_MetricsFile = -90004,
ovrError_MetricsNoClientInfo = -90005,
ovrError_MetricsNoAppMetaData = -90006,
ovrError_MetricsNoApp = -90007,
ovrError_MetricsOafFailure = -90008,
ovrError_MetricsSessionAlreadyActive = -90009,
ovrError_MetricsSessionNotActive = -90010,
} ovrErrorType;
/// Provides information about the last error.
/// \see ovr_GetLastErrorInfo
typedef struct ovrErrorInfo_
{
ovrResult Result; ///< The result from the last API call that generated an error ovrResult.
char ErrorString[512]; ///< A UTF8-encoded null-terminated English string describing the problem. The format of this string is subject to change in future versions.
} ovrErrorInfo;
#endif /* OVR_ErrorCode_h */

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/********************************************************************************//**
\file OVR_Version.h
\brief This header provides LibOVR version identification.
\copyright Copyright 2014-2016 Oculus VR, LLC All Rights reserved.
*************************************************************************************/
#ifndef OVR_Version_h
#define OVR_Version_h
/// Conventional string-ification macro.
#if !defined(OVR_STRINGIZE)
#define OVR_STRINGIZEIMPL(x) #x
#define OVR_STRINGIZE(x) OVR_STRINGIZEIMPL(x)
#endif
// Master version numbers
#define OVR_PRODUCT_VERSION 1 // Product version doesn't participate in semantic versioning.
#define OVR_MAJOR_VERSION 1 // If you change these values then you need to also make sure to change LibOVR/Projects/Windows/LibOVR.props in parallel.
#define OVR_MINOR_VERSION 3 //
#define OVR_PATCH_VERSION 0
#define OVR_BUILD_NUMBER 0
// This is the ((product * 100) + major) version of the service that the DLL is compatible with.
// When we backport changes to old versions of the DLL we update the old DLLs
// to move this version number up to the latest version.
// The DLL is responsible for checking that the service is the version it supports
// and returning an appropriate error message if it has not been made compatible.
#define OVR_DLL_COMPATIBLE_VERSION 101
#define OVR_FEATURE_VERSION 0
/// "Major.Minor.Patch"
#if !defined(OVR_VERSION_STRING)
#define OVR_VERSION_STRING OVR_STRINGIZE(OVR_MAJOR_VERSION.OVR_MINOR_VERSION.OVR_PATCH_VERSION)
#endif
/// "Major.Minor.Patch.Build"
#if !defined(OVR_DETAILED_VERSION_STRING)
#define OVR_DETAILED_VERSION_STRING OVR_STRINGIZE(OVR_MAJOR_VERSION.OVR_MINOR_VERSION.OVR_PATCH_VERSION.OVR_BUILD_NUMBER)
#endif
/// \brief file description for version info
/// This appears in the user-visible file properties. It is intended to convey publicly
/// available additional information such as feature builds.
#if !defined(OVR_FILE_DESCRIPTION_STRING)
#if defined(_DEBUG)
#define OVR_FILE_DESCRIPTION_STRING "dev build debug"
#else
#define OVR_FILE_DESCRIPTION_STRING "dev build"
#endif
#endif
#endif // OVR_Version_h

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/*******************************************************************************************
*
* raylib Oculus minimum sample (OpenGL 3.3 Core)
*
* NOTE: This example requires raylib module [rlgl]
*
* Compile rlgl using:
* gcc -c rlgl.c -Wall -std=c99 -DRLGL_STANDALONE -DRAYMATH_IMPLEMENTATION -DGRAPHICS_API_OPENGL_33
*
* Compile example using:
* gcc -o oculus_glfw_sample.exe oculus_glfw_sample.c rlgl.o glad.o -L. -lLibOVRRT32_1 -lglfw3 -lopengl32 -lgdi32 -std=c99
*
* This example has been created using raylib 1.5 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2015 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "glad.h" // Extensions loading library
#include <GLFW/glfw3.h> // Windows/Context and inputs management
#include "OculusSDK/LibOVR/Include/OVR_CAPI_GL.h" // Oculus SDK for OpenGL
#define RLGL_STANDALONE
#include "rlgl.h"
// OVR device variables
ovrSession session;
ovrHmdDesc hmdDesc;
ovrGraphicsLuid luid;
// OVR OpenGL required variables
GLuint fbo = 0;
GLuint depthBuffer = 0;
ovrTextureSwapChain eyeTexture;
GLuint mirrorFbo = 0;
ovrMirrorTexture mirrorTexture;
ovrEyeRenderDesc eyeRenderDescs[2];
Matrix eyeProjections[2];
ovrLayerEyeFov eyeLayer;
ovrViewScaleDesc viewScaleDesc;
Vector2 renderTargetSize = { 0, 0 };
Vector2 mirrorSize;
unsigned int frame = 0;
// GLFW variables
GLFWwindow *window = NULL;
//----------------------------------------------------------------------------------
// Types and Structures Definition
//----------------------------------------------------------------------------------
typedef enum { LOG_INFO = 0, LOG_ERROR, LOG_WARNING, LOG_DEBUG, LOG_OTHER } TraceLogType;
//----------------------------------------------------------------------------------
// Module specific Functions Declaration
//----------------------------------------------------------------------------------
static void ErrorCallback(int error, const char* description)
{
fputs(description, stderr);
}
static void KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
{
glfwSetWindowShouldClose(window, GL_TRUE);
}
}
static void DrawRectangleV(Vector2 position, Vector2 size, Color color);
static void TraceLog(int msgType, const char *text, ...);
static Matrix FromOvrMatrix(ovrMatrix4f ovrM);
void DrawGrid(int slices, float spacing);
void DrawCube(Vector3 position, float width, float height, float length, Color color);
//----------------------------------------------------------------------------------
// Main Entry point
//----------------------------------------------------------------------------------
int main()
{
ovrResult result = ovr_Initialize(NULL);
if (OVR_FAILURE(result)) TraceLog(LOG_ERROR, "OVR: Could not initialize Oculus device");
result = ovr_Create(&session, &luid);
if (OVR_FAILURE(result))
{
TraceLog(LOG_WARNING, "OVR: Could not create Oculus session");
ovr_Shutdown();
}
hmdDesc = ovr_GetHmdDesc(session);
TraceLog(LOG_INFO, "OVR: Product Name: %s", hmdDesc.ProductName);
TraceLog(LOG_INFO, "OVR: Manufacturer: %s", hmdDesc.Manufacturer);
TraceLog(LOG_INFO, "OVR: Product ID: %i", hmdDesc.ProductId);
TraceLog(LOG_INFO, "OVR: Product Type: %i", hmdDesc.Type);
TraceLog(LOG_INFO, "OVR: Serian Number: %s", hmdDesc.SerialNumber);
TraceLog(LOG_INFO, "OVR: Resolution: %ix%i", hmdDesc.Resolution.w, hmdDesc.Resolution.h);
viewScaleDesc.HmdSpaceToWorldScaleInMeters = 1.0f;
memset(&eyeLayer, 0, sizeof(ovrLayerEyeFov));
eyeLayer.Header.Type = ovrLayerType_EyeFov;
eyeLayer.Header.Flags = ovrLayerFlag_TextureOriginAtBottomLeft;
for (int eye = 0; eye < 2; eye++)
{
eyeRenderDescs[eye] = ovr_GetRenderDesc(session, eye, hmdDesc.DefaultEyeFov[eye]);
ovrMatrix4f ovrPerspectiveProjection = ovrMatrix4f_Projection(eyeRenderDescs[eye].Fov, 0.01f, 1000.0f, ovrProjection_ClipRangeOpenGL);
// NOTE struct ovrMatrix4f { float M[4][4] }
eyeProjections[eye] = FromOvrMatrix(ovrPerspectiveProjection);
viewScaleDesc.HmdToEyeOffset[eye] = eyeRenderDescs[eye].HmdToEyeOffset;
eyeLayer.Fov[eye] = eyeRenderDescs[eye].Fov;
ovrSizei eyeSize = ovr_GetFovTextureSize(session, eye, eyeLayer.Fov[eye], 1.0f);
eyeLayer.Viewport[eye].Size = eyeSize;
eyeLayer.Viewport[eye].Pos.x = renderTargetSize.x;
eyeLayer.Viewport[eye].Pos.y = 0;
renderTargetSize.y = eyeSize.h; //std::max(renderTargetSize.y, (uint32_t)eyeSize.h);
renderTargetSize.x += eyeSize.w;
}
// Make the on screen window 1/2 the resolution of the device
mirrorSize.x = hmdDesc.Resolution.w/2;
mirrorSize.y = hmdDesc.Resolution.h/2;
// GLFW3 Initialization + OpenGL 3.3 Context + Extensions
//--------------------------------------------------------
if (!glfwInit())
{
TraceLog(LOG_WARNING, "GLFW3: Can not initialize GLFW");
exit(EXIT_FAILURE);
}
else TraceLog(LOG_INFO, "GLFW3: GLFW initialized successfully");
glfwWindowHint(GLFW_DEPTH_BITS, 16);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
//glfwWindowHint(GLFW_DECORATED, GL_FALSE); // Mandatory on Oculus Rift to avoid program crash? --> NO
window = glfwCreateWindow(mirrorSize.x, mirrorSize.y, "raylib oculus sample", NULL, NULL);
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
else TraceLog(LOG_INFO, "GLFW3: Window created successfully");
glfwSetErrorCallback(ErrorCallback);
glfwSetKeyCallback(window, KeyCallback);
glfwMakeContextCurrent(window);
glfwSwapInterval(0);
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
{
TraceLog(LOG_WARNING, "GLAD: Cannot load OpenGL extensions");
exit(1);
}
else TraceLog(LOG_INFO, "GLAD: OpenGL extensions loaded successfully");
// Initialize OVR OpenGL swap chain textures
ovrTextureSwapChainDesc desc = {};
desc.Type = ovrTexture_2D;
desc.ArraySize = 1;
desc.Width = renderTargetSize.x;
desc.Height = renderTargetSize.y;
desc.MipLevels = 1;
desc.Format = OVR_FORMAT_R8G8B8A8_UNORM_SRGB;
desc.SampleCount = 1;
desc.StaticImage = ovrFalse;
result = ovr_CreateTextureSwapChainGL(session, &desc, &eyeTexture);
eyeLayer.ColorTexture[0] = eyeTexture;
if (!OVR_SUCCESS(result)) TraceLog(LOG_WARNING, "Failed to create swap textures");
int length = 0;
result = ovr_GetTextureSwapChainLength(session, eyeTexture, &length);
if (!OVR_SUCCESS(result) || !length) TraceLog(LOG_WARNING, "Unable to count swap chain textures");
for (int i = 0; i < length; ++i)
{
GLuint chainTexId;
ovr_GetTextureSwapChainBufferGL(session, eyeTexture, i, &chainTexId);
glBindTexture(GL_TEXTURE_2D, chainTexId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
glBindTexture(GL_TEXTURE_2D, 0);
// Setup framebuffer object
glGenFramebuffers(1, &fbo);
glGenRenderbuffers(1, &depthBuffer);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
glBindRenderbuffer(GL_RENDERBUFFER, depthBuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, renderTargetSize.x, renderTargetSize.y);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthBuffer);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
// Setup mirror texture
ovrMirrorTextureDesc mirrorDesc;
memset(&mirrorDesc, 0, sizeof(mirrorDesc));
mirrorDesc.Format = OVR_FORMAT_R8G8B8A8_UNORM_SRGB;
mirrorDesc.Width = mirrorSize.x;
mirrorDesc.Height = mirrorSize.y;
if (!OVR_SUCCESS(ovr_CreateMirrorTextureGL(session, &mirrorDesc, &mirrorTexture))) TraceLog(LOG_WARNING, "Could not create mirror texture");
glGenFramebuffers(1, &mirrorFbo);
// Recenter OVR tracking origin
ovr_RecenterTrackingOrigin(session);
// Initialize rlgl internal buffers and OpenGL state
rlglInit();
rlglInitGraphics(0, 0, mirrorSize.x, mirrorSize.y);
rlClearColor(245, 245, 245, 255); // Define clear color
glEnable(GL_DEPTH_TEST);
Vector2 position = { mirrorSize.x/2 - 100, mirrorSize.y/2 - 100 };
Vector2 size = { 200, 200 };
Color color = { 180, 20, 20, 255 };
Vector3 cubePosition = { 0.0f, 0.0f, 0.0f };
while (!glfwWindowShouldClose(window))
{
// Update
//----------------------------------------------------------------------------------
frame++;
ovrPosef eyePoses[2];
ovr_GetEyePoses(session, frame, ovrTrue, viewScaleDesc.HmdToEyeOffset, eyePoses, &eyeLayer.SensorSampleTime);
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
int curIndex;
ovr_GetTextureSwapChainCurrentIndex(session, eyeTexture, &curIndex);
GLuint curTexId;
ovr_GetTextureSwapChainBufferGL(session, eyeTexture, curIndex, &curTexId);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, curTexId, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
for (int eye = 0; eye < 2; eye++)
{
glViewport(eyeLayer.Viewport[eye].Pos.x, eyeLayer.Viewport[eye].Pos.y,
eyeLayer.Viewport[eye].Size.w, eyeLayer.Viewport[eye].Size.h);
eyeLayer.RenderPose[eye] = eyePoses[eye];
// Convert struct ovrPosef { ovrQuatf Orientation; ovrVector3f Position; } to Matrix
// TODO: Review maths!
Matrix eyeOrientation = QuaternionToMatrix((Quaternion){ -eyePoses[eye].Orientation.x, -eyePoses[eye].Orientation.y, -eyePoses[eye].Orientation.z, -eyePoses[eye].Orientation.w });
Matrix eyePosition = MatrixTranslate(-eyePoses[eye].Position.x, -eyePoses[eye].Position.y, -eyePoses[eye].Position.z);
Matrix mvp = MatrixMultiply(eyeProjections[eye], MatrixMultiply(eyeOrientation, eyePosition));
// NOTE: Nothing is drawn until rlglDraw()
DrawRectangleV(position, size, color);
//DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, color);
//DrawGrid(10, 1.0f);
// NOTE: rlglDraw() must be modified to support an external modelview-projection matrix
// TODO: Still working on it (now uses internal mvp)
rlglDraw(mvp);
}
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
ovr_CommitTextureSwapChain(session, eyeTexture);
ovrLayerHeader *headerList = &eyeLayer.Header;
ovr_SubmitFrame(session, frame, &viewScaleDesc, &headerList, 1);
// Blit mirror texture to back buffer
GLuint mirrorTextureId;
ovr_GetMirrorTextureBufferGL(session, mirrorTexture, &mirrorTextureId);
glBindFramebuffer(GL_READ_FRAMEBUFFER, mirrorFbo);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mirrorTextureId, 0);
glBlitFramebuffer(0, 0, mirrorSize.x, mirrorSize.y, 0, mirrorSize.y, mirrorSize.x, 0, GL_COLOR_BUFFER_BIT, GL_NEAREST);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
glfwSwapBuffers(window);
glfwPollEvents();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
if (mirrorFbo) glDeleteFramebuffers(1, &mirrorFbo);
if (mirrorTexture) ovr_DestroyMirrorTexture(session, mirrorTexture);
if (fbo) glDeleteFramebuffers(1, &fbo);
if (depthBuffer) glDeleteTextures(1, &depthBuffer);
if (eyeTexture) ovr_DestroyTextureSwapChain(session, eyeTexture);
rlglClose();
glfwDestroyWindow(window);
glfwTerminate();
ovr_Destroy(session); // Must be called after glfwTerminate()
ovr_Shutdown();
//--------------------------------------------------------------------------------------
return 0;
}
//----------------------------------------------------------------------------------
// Module specific Functions Definitions
//----------------------------------------------------------------------------------
// Draw rectangle using rlgl OpenGL 1.1 style coding (translated to OpenGL 3.3 internally)
static void DrawRectangleV(Vector2 position, Vector2 size, Color color)
{
rlBegin(RL_TRIANGLES);
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2i(position.x, position.y);
rlVertex2i(position.x, position.y + size.y);
rlVertex2i(position.x + size.x, position.y + size.y);
rlVertex2i(position.x, position.y);
rlVertex2i(position.x + size.x, position.y + size.y);
rlVertex2i(position.x + size.x, position.y);
rlEnd();
}
// Output a trace log message
// NOTE: Expected msgType: (0)Info, (1)Error, (2)Warning
static void TraceLog(int msgType, const char *text, ...)
{
va_list args;
va_start(args, text);
switch(msgType)
{
case LOG_INFO: fprintf(stdout, "INFO: "); break;
case LOG_ERROR: fprintf(stdout, "ERROR: "); break;
case LOG_WARNING: fprintf(stdout, "WARNING: "); break;
case LOG_DEBUG: fprintf(stdout, "DEBUG: "); break;
default: break;
}
vfprintf(stdout, text, args);
fprintf(stdout, "\n");
va_end(args);
//if (msgType == LOG_ERROR) exit(1);
}
static Matrix FromOvrMatrix(ovrMatrix4f ovrmat)
{
Matrix rmat;
rmat.m0 = ovrmat.M[0][0];
rmat.m1 = ovrmat.M[1][0];
rmat.m2 = ovrmat.M[2][0];
rmat.m3 = ovrmat.M[3][0];
rmat.m4 = ovrmat.M[0][1];
rmat.m5 = ovrmat.M[1][1];
rmat.m6 = ovrmat.M[2][1];
rmat.m7 = ovrmat.M[3][1];
rmat.m8 = ovrmat.M[0][2];
rmat.m9 = ovrmat.M[1][2];
rmat.m10 = ovrmat.M[2][2];
rmat.m11 = ovrmat.M[3][2];
rmat.m12 = ovrmat.M[0][3];
rmat.m13 = ovrmat.M[1][3];
rmat.m14 = ovrmat.M[2][3];
rmat.m15 = ovrmat.M[3][3];
//MatrixTranspose(&rmat);
return rmat;
}
// Draw cube
// NOTE: Cube position is the center position
void DrawCube(Vector3 position, float width, float height, float length, Color color)
{
float x = 0.0f;
float y = 0.0f;
float z = 0.0f;
rlPushMatrix();
// NOTE: Be careful! Function order matters (rotate -> scale -> translate)
rlTranslatef(position.x, position.y, position.z);
//rlScalef(2.0f, 2.0f, 2.0f);
//rlRotatef(45, 0, 1, 0);
rlBegin(RL_TRIANGLES);
rlColor4ub(color.r, color.g, color.b, color.a);
// Front Face -----------------------------------------------------
rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Right
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
// Back Face ------------------------------------------------------
rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Left
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
// Top Face -------------------------------------------------------
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
rlVertex3f(x-width/2, y+height/2, z+length/2); // Bottom Left
rlVertex3f(x+width/2, y+height/2, z+length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
rlVertex3f(x+width/2, y+height/2, z+length/2); // Bottom Right
// Bottom Face ----------------------------------------------------
rlVertex3f(x-width/2, y-height/2, z-length/2); // Top Left
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left
rlVertex3f(x+width/2, y-height/2, z-length/2); // Top Right
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
rlVertex3f(x-width/2, y-height/2, z-length/2); // Top Left
// Right face -----------------------------------------------------
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right
rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Left
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Left
// Left Face ------------------------------------------------------
rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Right
rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Right
rlEnd();
rlPopMatrix();
}
// Draw a grid centered at (0, 0, 0)
void DrawGrid(int slices, float spacing)
{
int halfSlices = slices / 2;
rlBegin(RL_LINES);
for(int i = -halfSlices; i <= halfSlices; i++)
{
if (i == 0)
{
rlColor3f(0.5f, 0.5f, 0.5f);
rlColor3f(0.5f, 0.5f, 0.5f);
rlColor3f(0.5f, 0.5f, 0.5f);
rlColor3f(0.5f, 0.5f, 0.5f);
}
else
{
rlColor3f(0.75f, 0.75f, 0.75f);
rlColor3f(0.75f, 0.75f, 0.75f);
rlColor3f(0.75f, 0.75f, 0.75f);
rlColor3f(0.75f, 0.75f, 0.75f);
}
rlVertex3f((float)i*spacing, 0.0f, (float)-halfSlices*spacing);
rlVertex3f((float)i*spacing, 0.0f, (float)halfSlices*spacing);
rlVertex3f((float)-halfSlices*spacing, 0.0f, (float)i*spacing);
rlVertex3f((float)halfSlices*spacing, 0.0f, (float)i*spacing);
}
rlEnd();
}

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