// https://github.com/dotnet/corefx/blob/master/src/System.Numerics.Vectors/src/System/Numerics/Matrix4x4.cs
// public static Matrix4x4 Add(Matrix4x4 value1, Matrix4x4 value2)
public static ovrMatrix4f Add(ovrMatrix4f _a, ovrMatrix4f _b)
{
// when is this of any use?
ovrMatrix4f _o;
__Matrix4x4 o = &_o;
__Matrix4x4 a = &_a;
__Matrix4x4 b = &_b;
{
o.M[0, 0] = a.M[0, 0] + b.M[0, 0];
o.M[1, 0] = a.M[1, 0] + b.M[1, 0];
o.M[2, 0] = a.M[2, 0] + b.M[2, 0];
o.M[3, 0] = a.M[3, 0] + b.M[3, 0];
o.M[0, 1] = a.M[0, 1] + b.M[0, 1];
o.M[1, 1] = a.M[1, 1] + b.M[1, 1];
o.M[2, 1] = a.M[2, 1] + b.M[2, 1];
o.M[3, 1] = a.M[3, 1] + b.M[3, 1];
o.M[0, 2] = a.M[0, 2] + b.M[0, 2];
o.M[1, 2] = a.M[1, 2] + b.M[1, 2];
o.M[2, 2] = a.M[2, 2] + b.M[2, 2];
o.M[3, 2] = a.M[3, 2] + b.M[3, 2];
o.M[0, 3] = a.M[0, 3] + b.M[0, 3];
o.M[1, 3] = a.M[1, 3] + b.M[1, 3];
o.M[2, 3] = a.M[2, 3] + b.M[2, 3];
o.M[3, 3] = a.M[3, 3] + b.M[3, 3];
// operating on fixed buffers, yet we want the dimensional array magic.
}
return(_o);
}
static void Peek(mat4stack256 that, out ovrMatrix4f value)
{
var offset = that.__offset * 4 * 4;
fixed(float *__value_M = value.M)
//fixed (float* __value = that.__value)
{
//fixed ( &that.__value
//fixed (that)
//var current = &__value[offset];
//var current_ovrMatrix4f = (ovrMatrix4f*)current;
//// copy our floats out
//value = *current_ovrMatrix4f;
//jni/OVRWindWheelNDK.dll.c:354:16: error: incompatible types when assigning to type 'ovrMatrix4f' from type 'struct ovrMatrix4f *'
// (*(value)) = matrix4f_3;
// lets do a slower copy?
for (int i = 0; i < 4 * 4; i++)
{
//var f = __value[offset + i];
var f = that.__value[offset + i];
// Error 19 You cannot use fixed size buffers contained in unfixed expressions. Try using the fixed statement. X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\Library\Matrix4x4Stack.cs 92 21 OVRWindWheelNDK
//value.M[i] = f;
__value_M[i] = f;
}
}
}
public static ovrMatrix4f vrapi_GetCenterEyeViewMatrix(ref ovrHeadModelParms headModelParms,
ref ovrTracking tracking,
// nullable struct?
ref ovrMatrix4f input)
{
throw null;
}
// vrapi_GetHmdInfo
// called by AppThreadFunction
public void ovrRenderer_Create(ref ovrHmdInfo hmdInfo)
{
ConsoleExtensions.trace("enter ovrRenderer_Create");
fixed(int *hmdInfo_SuggestedEyeResolution = hmdInfo.SuggestedEyeResolution)
fixed(float *hmdInfo_SuggestedEyeFov = hmdInfo.SuggestedEyeFov)
{
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:89 hmdInfo_SuggestedEyeResolution width 1024
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:90 hmdInfo_SuggestedEyeResolution height 1024
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:91 NUM_MULTI_SAMPLES 4
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:95 hmdInfo_SuggestedEyeFov[0] 90
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:96 hmdInfo_SuggestedEyeFov[1] 90
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:97 DisplayRefreshRate 60
ConsoleExtensions.tracei("hmdInfo_SuggestedEyeResolution width ", hmdInfo_SuggestedEyeResolution[0]);
ConsoleExtensions.tracei("hmdInfo_SuggestedEyeResolution height ", hmdInfo_SuggestedEyeResolution[1]);
ConsoleExtensions.tracei("NUM_MULTI_SAMPLES ", NUM_MULTI_SAMPLES);
ConsoleExtensions.tracei("hmdInfo_SuggestedEyeFov[0] ", (int)hmdInfo_SuggestedEyeFov[0]);
ConsoleExtensions.tracei("hmdInfo_SuggestedEyeFov[1] ", (int)hmdInfo_SuggestedEyeFov[1]);
ConsoleExtensions.tracei("DisplayRefreshRate ", (int)hmdInfo.DisplayRefreshRate);
// 1012
// Create the render Textures.
for (int i = 0; i < NUM_BUFFERS; i++)
{
for (int eye = 0; eye < NUM_EYES; eye++)
{
//ConsoleExtensions.tracei("call ovrRenderTexture_Create i ", i);
this.RenderTextures[i, eye].ovrRenderTexture_Create(
hmdInfo_SuggestedEyeResolution[0],
hmdInfo_SuggestedEyeResolution[1],
NUM_MULTI_SAMPLES,
i, eye
);
}
}
this.BufferIndex = 0;
// https://www.kickstarter.com/projects/wearality/wearality-sky-limitless-vr
// Setup the projection matrix.
this.ProjectionMatrix = VrApi_Helpers.ovrMatrix4f_CreateProjectionFov(
hmdInfo_SuggestedEyeFov[0] * ((float)Math.PI / 180.0f),
hmdInfo_SuggestedEyeFov[1] * ((float)Math.PI / 180.0f),
0.0f, 0.0f, 1.0f, 0.0f);
this.TanAngleMatrix = VrApi_Helpers.ovrMatrix4f_TanAngleMatrixFromProjection(ref this.ProjectionMatrix);
}
//ConsoleExtensions.trace("exit ovrRenderer_Create");
}
public static ovrMatrix4f CreateRotation(float radiansX, float radiansY, float radiansZ)
{
// http://stackoverflow.com/questions/9087563/maximum-native-memory-that-can-be-allocated-to-an-android-app
// Error 3 Cannot initialize object of type 'float*' with a collection initializer X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 248 17 OVRMyCubeWorldNDK
float sinX = math.sinf(radiansX);
float cosX = math.cosf(radiansX);
// Error 3 Cannot take the address of, get the size of, or declare a pointer to a managed type ('float[*,*]') X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 292 61 OVRMyCubeWorldNDK
// we will leak a lot of heap...
// not the heap. the stack thankyou. almost playing GC?
// since we are not returning this array, it should live on stack. this way we wont leak memory as we are running without GC..
float[] rotationX =
{
1, 0, 0, 0,
0, cosX, -sinX, 0,
0, sinX, cosX, 0,
0, 0, 0, 1
};
float sinY = math.sinf(radiansY);
float cosY = math.cosf(radiansY);
float[] rotationY =
{
cosY, 0, sinY, 0,
0, 1, 0, 0,
-sinY, 0, cosY, 0,
0, 0, 0, 1
};
float sinZ = math.sinf(radiansZ);
float cosZ = math.cosf(radiansZ);
float[] rotationZ =
{
cosZ, -sinZ, 0, 0,
sinZ, cosZ, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
};
__ovrMatrix4f x = rotationX;
__ovrMatrix4f y = rotationY;
__ovrMatrix4f z = rotationZ;
//ovrMatrix4f o;
ovrMatrix4f rotationXY = __ovrMatrix4f.Multiply(y, x);
ovrMatrix4f rotationXYZ = __ovrMatrix4f.Multiply(z, &rotationXY);
// copy it back..
return(rotationXYZ);
}
//public static ovrMatrix4f TanAngleMatrixFromProjection(__ovrMatrix4f projection)
public static ovrMatrix4f TanAngleMatrixFromProjection(ovrMatrix4f __projection)
{
ConsoleExtensions.trace("enter TanAngleMatrixFromProjection");
__Matrix4x4 projection = &__projection;
// A projection matrix goes from a view point to NDC, or -1 to 1 space.
// Scale and bias to convert that to a 0 to 1 space.
//const ovrMatrix4f tanAngleMatrix =
//float[,] tanAngleMatrix =
//{
// { 0.5f * projection.M[0,0], 0.5f * projection.M[0,1], 0.5f * projection.M[0,2] - 0.5f, 0.5f * projection.M[0,3] },
// { 0.5f * projection.M[1,0], 0.5f * projection.M[1,1], 0.5f * projection.M[1,2] - 0.5f, 0.5f * projection.M[1,3] },
// {0.0f, 0.0f, -1.0f, 0.0f},
// {0.0f, 0.0f, -1.0f, 0.0f }
//};
float[] tanAngleMatrix =
{
0.5f * projection.M[0, 0], 0.5f * projection.M[0, 1], 0.5f * projection.M[0, 2] - 0.5f, 0.5f * projection.M[0, 3],
0.5f * projection.M[1, 0], 0.5f * projection.M[1, 1], 0.5f * projection.M[1, 2] - 0.5f, 0.5f * projection.M[1, 3],
0.0f, 0.0f, -1.0f, 0.0f,
0.0f, 0.0f, -1.0f, 0.0f
};
ovrMatrix4f that_data;
__Matrix4x4 that = &that_data;
//that_data.M = tanAngleMatrix;
//that_data.M[0] = tanAngleMatrix[0];
//for (int i = 0; i < 16; i++)
//{
// // this will cause stack corruption. why?
// that.M[i, i] = tanAngleMatrix[i];
//}
for (int x = 0; x < 4; x++)
{
for (int y = 0; y < 4; y++)
{
//that.M[x, y] = tanAngleMatrix[x, y];
//that.M[x, y] = tanAngleMatrix[x + 4 * y];
// memorylayout the same as for CLR?
that.M[x, y] = tanAngleMatrix[y + 4 * x];
}
}
//jni/OVRWindWheelNDK.dll.c:2651:28: error: expected expression before '?' token
// singleArray7 = calloc [?][?];
// ^
ConsoleExtensions.trace("exit TanAngleMatrixFromProjection, stack still valid?");
return(that_data);
}
public static ovrMatrix4f GetEyeViewMatrix(ref ovrHeadModelParms headModelParms,
ref ovrMatrix4f centerEyeViewMatrix,
int eye)
{
var o = (eye > 0 ? -0.5f : 0.5f);
//float eyeOffset = (eye > 0 ? -0.5f : 0.5f) * headModelParms.InterpupillaryDistance;
float eyeOffset = o * headModelParms.InterpupillaryDistance;
ovrMatrix4f eyeOffsetMatrix = CreateTranslation(eyeOffset, 0.0f, 0.0f);
return(Multiply(ref eyeOffsetMatrix, ref centerEyeViewMatrix));
}
public static ovrMatrix4f CreateRotation(float radiansX, float radiansY, float radiansZ)
{
// Error 3 Cannot initialize object of type 'float*' with a collection initializer X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 248 17 OVRMyCubeWorldNDK
float sinX = math.sinf(radiansX);
float cosX = math.cosf(radiansX);
// Error 3 Cannot take the address of, get the size of, or declare a pointer to a managed type ('float[*,*]') X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 292 61 OVRMyCubeWorldNDK
// jsc cannot handle it yet
// this seems to be the only way to do matrix math in C# ?
float[,] rotationX =
{
{ 1, 0, 0, 0 },
{ 0, cosX, -sinX, 0 },
{ 0, sinX, cosX, 0 },
{ 0, 0, 0, 1 }
};
float sinY = math.sinf(radiansY);
float cosY = math.cosf(radiansY);
float[,] rotationY =
{
{ cosY, 0, sinY, 0 },
{ 0, 1, 0, 0 },
{ -sinY, 0, cosY, 0 },
{ 0, 0, 0, 1 }
};
float sinZ = math.sinf(radiansZ);
float cosZ = math.cosf(radiansZ);
float[,] rotationZ =
{
{ cosZ, -sinZ, 0, 0 },
{ sinZ, cosZ, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 }
};
ovrMatrix4f rotationXY = __ovrMatrix4f.Multiply(rotationY, rotationX);
ovrMatrix4f rotationXYZ = __ovrMatrix4f.Multiply(rotationZ, &rotationXY);
// copy it back..
return(rotationXYZ);
}
//[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]
//static inline ovrMatrix4f vrapi_GetCenterEyeViewMatrix(
// ref ovrHeadModelParms headModelParms,
// ref ovrTracking tracking,
// ref ovrMatrix4f input
// )
//{
// const ovrMatrix4f centerEyeTransform = vrapi_GetCenterEyeTransform( headModelParms, tracking, input );
// return ovrMatrix4f_Inverse( ¢erEyeTransform );
//}
//public static ovrMatrix4f translate(ovrMatrix4f input, float x, float y, float z)
//{
// ovrMatrix4f output;
// translate(ref output, ref input, x, y, z);
// return output;
//}
//public static void translate(ref ovrMatrix4f output, ref ovrMatrix4f input, float x, float y, float z)
//{
// //float x = xyz[0], y = xyz[1], z = xyz[2];
// //if (input == output)
// //{
// // output[12] = input[0] * x + input[4] * y + input[8] * z + input[12];
// // output[13] = input[1] * x + input[5] * y + input[9] * z + input[13];
// // output[14] = input[2] * x + input[6] * y + input[10] * z + input[14];
// // output[15] = input[3] * x + input[7] * y + input[11] * z + input[15];
// // return output;
// //}
// fixed (float* input_M = input.M)
// fixed (float* output_M = output.M)
// {
// float a00, a01, a02, a03,
// a10, a11, a12, a13,
// a20, a21, a22, a23;
// a00 = input_M[0]; a01 = input_M[1]; a02 = input_M[2]; a03 = input_M[3];
// a10 = input_M[4]; a11 = input_M[5]; a12 = input_M[6]; a13 = input_M[7];
// a20 = input_M[8]; a21 = input_M[9]; a22 = input_M[10]; a23 = input_M[11];
// output_M[0] = a00; output_M[1] = a01; output_M[2] = a02; output_M[3] = a03;
// output_M[4] = a10; output_M[5] = a11; output_M[6] = a12; output_M[7] = a13;
// output_M[8] = a20; output_M[9] = a21; output_M[10] = a22; output_M[11] = a23;
// output_M[12] = a00 * x + a10 * y + a20 * z + input_M[12];
// output_M[13] = a01 * x + a11 * y + a21 * z + input_M[13];
// output_M[14] = a02 * x + a12 * y + a22 * z + input_M[14];
// output_M[15] = a03 * x + a13 * y + a23 * z + input_M[15];
// }
//}
//public static float[] translate(float[] output, float[] input, float[] xyz)
//{
// float x = xyz[0], y = xyz[1], z = xyz[2];
// if (input == output)
// {
// output[12] = input[0] * x + input[4] * y + input[8] * z + input[12];
// output[13] = input[1] * x + input[5] * y + input[9] * z + input[13];
// output[14] = input[2] * x + input[6] * y + input[10] * z + input[14];
// output[15] = input[3] * x + input[7] * y + input[11] * z + input[15];
// return output;
// }
// float a00, a01, a02, a03,
// a10, a11, a12, a13,
// a20, a21, a22, a23;
// a00 = input[0]; a01 = input[1]; a02 = input[2]; a03 = input[3];
// a10 = input[4]; a11 = input[5]; a12 = input[6]; a13 = input[7];
// a20 = input[8]; a21 = input[9]; a22 = input[10]; a23 = input[11];
// output[0] = a00; output[1] = a01; output[2] = a02; output[3] = a03;
// output[4] = a10; output[5] = a11; output[6] = a12; output[7] = a13;
// output[8] = a20; output[9] = a21; output[10] = a22; output[11] = a23;
// output[12] = a00 * x + a10 * y + a20 * z + input[12];
// output[13] = a01 * x + a11 * y + a21 * z + input[13];
// output[14] = a02 * x + a12 * y + a22 * z + input[14];
// output[15] = a03 * x + a13 * y + a23 * z + input[15];
// return output;
//}
//public static void Set(ref ovrMatrix4f xyz, byte* pBuffer)
public static void Set(ref ovrMatrix4f xyz, byte[] aBuffer, int UDPMatrixIndex)
{
// Error 7 You cannot use fixed size buffers contained in unfixed expressions. Try using the fixed statement. X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 808 21 OVRWindWheelNDK
// Error 7 You cannot use the fixed statement to take the address of an already fixed expression X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 782 37 OVRWindWheelNDK
//ConsoleExtensions.tracef("ovrRenderer_RenderFrame UDPDraw[] ", f);
//fixed (float* __xyz_M = &xyz.M[0])
fixed(float *__xyz_M = xyz.M)
fixed(byte *pBuffer = &aBuffer[0])
{
var pFloatBuffer = (float *)pBuffer;
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 1.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 2.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 1.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 3.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 1.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 4.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 1.000000
for (int i = 0; i < 4 * 4; i++)
{
var f = pFloatBuffer[i + UDPMatrixIndex * (64 / 4)];
//appThread.appState.tracef60("ovrRenderer_RenderFrame UDPDraw[] ", f);
//ConsoleExtensions.tracef("ovrRenderer_RenderFrame UDPDraw[] ", f);
__xyz_M[i] = f;
//xyz.M[i] = f;
// *(((float*)((&((&matrix4f2)->M)))) + (num5 * 4)) = single6;
}
}
// I/DEBUG (32762): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x4
// new data available!
//gpuInstanceTransformBuffer1[0] = __Matrix4x4.Transpose(&xyz);
//appThread.appState.tracei60("ovrRenderer_RenderFrame UDPDraw ? crash?");
//ConsoleExtensions.trace("ovrRenderer_RenderFrame UDPDraw ? crash?");
}
//public ovrMatrix4f __value;
// caller will keep the value on stack
public static ovrMatrix4f Multiply(ref ovrMatrix4f ref_a, ref ovrMatrix4f ref_b)
{
// memory dereference magic
// yet, in glsl we wont have pointers, all we will have is copy struct?
// http://www.gamedev.net/topic/347232-glsl-pointers/
// Error 3 A pointer must be indexed by only one value X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 93 98 OVRMyCubeWorldNDK
//Error 5 The type of a local declared in a fixed statement must be a pointer type X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 92 20 OVRMyCubeWorldNDK
ovrMatrix4f _o;
//fixed (ovrMatrix4f* po = &o)
fixed(ovrMatrix4f *pa = &ref_a)
fixed(ovrMatrix4f * pb = &ref_b)
{
object so = (size_t)(void *)&_o;
var o = (__ovrMatrix4f)so;
object sa = (size_t)pa;
var a = (__ovrMatrix4f)sa;
object sb = (size_t)pb;
var b = (__ovrMatrix4f)sb;
o.M[0, 0] = a.M[0, 0] * b.M[0, 0] + a.M[0, 1] * b.M[1, 0] + a.M[0, 2] * b.M[2, 0] + a.M[0, 3] * b.M[3, 0];
o.M[1, 0] = a.M[1, 0] * b.M[0, 0] + a.M[1, 1] * b.M[1, 0] + a.M[1, 2] * b.M[2, 0] + a.M[1, 3] * b.M[3, 0];
o.M[2, 0] = a.M[2, 0] * b.M[0, 0] + a.M[2, 1] * b.M[1, 0] + a.M[2, 2] * b.M[2, 0] + a.M[2, 3] * b.M[3, 0];
o.M[3, 0] = a.M[3, 0] * b.M[0, 0] + a.M[3, 1] * b.M[1, 0] + a.M[3, 2] * b.M[2, 0] + a.M[3, 3] * b.M[3, 0];
o.M[0, 1] = a.M[0, 0] * b.M[0, 1] + a.M[0, 1] * b.M[1, 1] + a.M[0, 2] * b.M[2, 1] + a.M[0, 3] * b.M[3, 1];
o.M[1, 1] = a.M[1, 0] * b.M[0, 1] + a.M[1, 1] * b.M[1, 1] + a.M[1, 2] * b.M[2, 1] + a.M[1, 3] * b.M[3, 1];
o.M[2, 1] = a.M[2, 0] * b.M[0, 1] + a.M[2, 1] * b.M[1, 1] + a.M[2, 2] * b.M[2, 1] + a.M[2, 3] * b.M[3, 1];
o.M[3, 1] = a.M[3, 0] * b.M[0, 1] + a.M[3, 1] * b.M[1, 1] + a.M[3, 2] * b.M[2, 1] + a.M[3, 3] * b.M[3, 1];
o.M[0, 2] = a.M[0, 0] * b.M[0, 2] + a.M[0, 1] * b.M[1, 2] + a.M[0, 2] * b.M[2, 2] + a.M[0, 3] * b.M[3, 2];
o.M[1, 2] = a.M[1, 0] * b.M[0, 2] + a.M[1, 1] * b.M[1, 2] + a.M[1, 2] * b.M[2, 2] + a.M[1, 3] * b.M[3, 2];
o.M[2, 2] = a.M[2, 0] * b.M[0, 2] + a.M[2, 1] * b.M[1, 2] + a.M[2, 2] * b.M[2, 2] + a.M[2, 3] * b.M[3, 2];
o.M[3, 2] = a.M[3, 0] * b.M[0, 2] + a.M[3, 1] * b.M[1, 2] + a.M[3, 2] * b.M[2, 2] + a.M[3, 3] * b.M[3, 2];
o.M[0, 3] = a.M[0, 0] * b.M[0, 3] + a.M[0, 1] * b.M[1, 3] + a.M[0, 2] * b.M[2, 3] + a.M[0, 3] * b.M[3, 3];
o.M[1, 3] = a.M[1, 0] * b.M[0, 3] + a.M[1, 1] * b.M[1, 3] + a.M[1, 2] * b.M[2, 3] + a.M[1, 3] * b.M[3, 3];
o.M[2, 3] = a.M[2, 0] * b.M[0, 3] + a.M[2, 1] * b.M[1, 3] + a.M[2, 2] * b.M[2, 3] + a.M[2, 3] * b.M[3, 3];
o.M[3, 3] = a.M[3, 0] * b.M[0, 3] + a.M[3, 1] * b.M[1, 3] + a.M[3, 2] * b.M[2, 3] + a.M[3, 3] * b.M[3, 3];
}
return(_o);
}
public static ovrMatrix4f Multiply(ovrMatrix4f _a, ovrMatrix4f _b)
{
// perhaps the compiler could decide to optimize and move to a byref pointer version?
// memory dereference magic
// yet, in glsl we wont have pointers, all we will have is copy struct?
// http://www.gamedev.net/topic/347232-glsl-pointers/
// Error 3 A pointer must be indexed by only one value X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 93 98 OVRMyCubeWorldNDK
//Error 5 The type of a local declared in a fixed statement must be a pointer type X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 92 20 OVRMyCubeWorldNDK
ovrMatrix4f _o;
__ovrMatrix4f o = &_o;
__ovrMatrix4f a = &_a;
__ovrMatrix4f b = &_b;
{
o.M[0, 0] = a.M[0, 0] * b.M[0, 0] + a.M[0, 1] * b.M[1, 0] + a.M[0, 2] * b.M[2, 0] + a.M[0, 3] * b.M[3, 0];
o.M[1, 0] = a.M[1, 0] * b.M[0, 0] + a.M[1, 1] * b.M[1, 0] + a.M[1, 2] * b.M[2, 0] + a.M[1, 3] * b.M[3, 0];
o.M[2, 0] = a.M[2, 0] * b.M[0, 0] + a.M[2, 1] * b.M[1, 0] + a.M[2, 2] * b.M[2, 0] + a.M[2, 3] * b.M[3, 0];
o.M[3, 0] = a.M[3, 0] * b.M[0, 0] + a.M[3, 1] * b.M[1, 0] + a.M[3, 2] * b.M[2, 0] + a.M[3, 3] * b.M[3, 0];
o.M[0, 1] = a.M[0, 0] * b.M[0, 1] + a.M[0, 1] * b.M[1, 1] + a.M[0, 2] * b.M[2, 1] + a.M[0, 3] * b.M[3, 1];
o.M[1, 1] = a.M[1, 0] * b.M[0, 1] + a.M[1, 1] * b.M[1, 1] + a.M[1, 2] * b.M[2, 1] + a.M[1, 3] * b.M[3, 1];
o.M[2, 1] = a.M[2, 0] * b.M[0, 1] + a.M[2, 1] * b.M[1, 1] + a.M[2, 2] * b.M[2, 1] + a.M[2, 3] * b.M[3, 1];
o.M[3, 1] = a.M[3, 0] * b.M[0, 1] + a.M[3, 1] * b.M[1, 1] + a.M[3, 2] * b.M[2, 1] + a.M[3, 3] * b.M[3, 1];
o.M[0, 2] = a.M[0, 0] * b.M[0, 2] + a.M[0, 1] * b.M[1, 2] + a.M[0, 2] * b.M[2, 2] + a.M[0, 3] * b.M[3, 2];
o.M[1, 2] = a.M[1, 0] * b.M[0, 2] + a.M[1, 1] * b.M[1, 2] + a.M[1, 2] * b.M[2, 2] + a.M[1, 3] * b.M[3, 2];
o.M[2, 2] = a.M[2, 0] * b.M[0, 2] + a.M[2, 1] * b.M[1, 2] + a.M[2, 2] * b.M[2, 2] + a.M[2, 3] * b.M[3, 2];
o.M[3, 2] = a.M[3, 0] * b.M[0, 2] + a.M[3, 1] * b.M[1, 2] + a.M[3, 2] * b.M[2, 2] + a.M[3, 3] * b.M[3, 2];
o.M[0, 3] = a.M[0, 0] * b.M[0, 3] + a.M[0, 1] * b.M[1, 3] + a.M[0, 2] * b.M[2, 3] + a.M[0, 3] * b.M[3, 3];
o.M[1, 3] = a.M[1, 0] * b.M[0, 3] + a.M[1, 1] * b.M[1, 3] + a.M[1, 2] * b.M[2, 3] + a.M[1, 3] * b.M[3, 3];
o.M[2, 3] = a.M[2, 0] * b.M[0, 3] + a.M[2, 1] * b.M[1, 3] + a.M[2, 2] * b.M[2, 3] + a.M[2, 3] * b.M[3, 3];
o.M[3, 3] = a.M[3, 0] * b.M[0, 3] + a.M[3, 1] * b.M[1, 3] + a.M[3, 2] * b.M[2, 3] + a.M[3, 3] * b.M[3, 3];
// operating on fixed buffers, yet we want the dimensional array magic.
}
return(_o);
}
// https://sites.google.com/a/jsc-solutions.net/work/knowledge-base/15-dualvr/20150717/matrix4x4
// X:\jsc.svn\core\ScriptCoreLib\Shared\BCLImplementation\System\Numerics\Matrix4x4.cs
static void Push(mat4stack256 that, ref ovrMatrix4f value)
{
that.__offset++;
fixed (float* __value_M = value.M)
//fixed (float* __value = that.__value)
{
//fixed ( &that.__value
//fixed (that)
//var current = &__value[offset];
//var current_ovrMatrix4f = (ovrMatrix4f*)current;
//// copy our floats out
//value = *current_ovrMatrix4f;
//jni/OVRWindWheelNDK.dll.c:354:16: error: incompatible types when assigning to type 'ovrMatrix4f' from type 'struct ovrMatrix4f *'
// (*(value)) = matrix4f_3;
// lets do a slower copy?
for (int i = 0; i < 4 * 4; i++)
{
//var f = __value[offset + i];
//var f = that.__value[offset + i];
//// Error 19 You cannot use fixed size buffers contained in unfixed expressions. Try using the fixed statement. X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\Library\Matrix4x4Stack.cs 92 21 OVRWindWheelNDK
////value.M[i] = f;
//__value_M[i] = f;
//var f = value.M[i];
var f = __value_M[i];
that.__value[that.__offset + i] = f;
}
}
}
public static Matrix4x4 ToMatrix4x4(this ovrMatrix4f ovrMat)
{
Matrix4x4 mat = new Matrix4x4();
mat[0, 0] = ovrMat.m[0, 0];
mat[0, 1] = ovrMat.m[0, 1];
mat[0, 2] = ovrMat.m[0, 2];
mat[0, 3] = ovrMat.m[0, 3];
mat[1, 0] = ovrMat.m[1, 0];
mat[1, 1] = ovrMat.m[1, 1];
mat[1, 2] = ovrMat.m[1, 2];
mat[1, 3] = ovrMat.m[1, 3];
mat[2, 0] = ovrMat.m[2, 0];
mat[2, 1] = ovrMat.m[2, 1];
mat[2, 2] = ovrMat.m[2, 2];
mat[2, 3] = ovrMat.m[2, 3];
mat[3, 0] = ovrMat.m[3, 0];
mat[3, 1] = ovrMat.m[3, 1];
mat[3, 2] = ovrMat.m[3, 2];
mat[3, 3] = ovrMat.m[3, 3];
return(mat);
}
public static ovrMatrix4f vrapi_GetCenterEyeViewMatrix(
ref ovrHeadModelParms headModelParms,
ref ovrTracking tracking,
// nullable struct?
ovrMatrix4f* input)
{
throw null;
}
public static ovrMatrix4f vrapi_GetEyeViewMatrix(ref ovrHeadModelParms headModelParms,
ref ovrMatrix4f centerEyeViewMatrix,
int eye)
{
throw null;
}
public static ovrMatrix4f ovrMatrix4f_Multiply(ref ovrMatrix4f a, ref ovrMatrix4f b)
{
throw null;
}
public static ovrMatrix4f vrapi_GetEyeViewMatrix(ref ovrHeadModelParms headModelParms,
ref ovrMatrix4f centerEyeViewMatrix,
int eye)
{
throw null;
}
// https://github.com/dotnet/corefx/blob/master/src/System.Numerics.Vectors/src/System/Numerics/Matrix4x4.cs
// public static Matrix4x4 Add(Matrix4x4 value1, Matrix4x4 value2)
public static ovrMatrix4f Add(ovrMatrix4f _a, ovrMatrix4f _b)
{
// when is this of any use?
ovrMatrix4f _o;
__Matrix4x4 o = &_o;
__Matrix4x4 a = &_a;
__Matrix4x4 b = &_b;
{
o.M[0, 0] = a.M[0, 0] + b.M[0, 0];
o.M[1, 0] = a.M[1, 0] + b.M[1, 0];
o.M[2, 0] = a.M[2, 0] + b.M[2, 0];
o.M[3, 0] = a.M[3, 0] + b.M[3, 0];
o.M[0, 1] = a.M[0, 1] + b.M[0, 1];
o.M[1, 1] = a.M[1, 1] + b.M[1, 1];
o.M[2, 1] = a.M[2, 1] + b.M[2, 1];
o.M[3, 1] = a.M[3, 1] + b.M[3, 1];
o.M[0, 2] = a.M[0, 2] + b.M[0, 2];
o.M[1, 2] = a.M[1, 2] + b.M[1, 2];
o.M[2, 2] = a.M[2, 2] + b.M[2, 2];
o.M[3, 2] = a.M[3, 2] + b.M[3, 2];
o.M[0, 3] = a.M[0, 3] + b.M[0, 3];
o.M[1, 3] = a.M[1, 3] + b.M[1, 3];
o.M[2, 3] = a.M[2, 3] + b.M[2, 3];
o.M[3, 3] = a.M[3, 3] + b.M[3, 3];
// operating on fixed buffers, yet we want the dimensional array magic.
}
return _o;
}
public static ovrMatrix4f GetEyeViewMatrix(ref ovrHeadModelParms headModelParms,
ref ovrMatrix4f centerEyeViewMatrix,
int eye)
{
var o = (eye > 0 ? -0.5f : 0.5f);
//float eyeOffset = (eye > 0 ? -0.5f : 0.5f) * headModelParms.InterpupillaryDistance;
float eyeOffset = o * headModelParms.InterpupillaryDistance;
ovrMatrix4f eyeOffsetMatrix = CreateTranslation(eyeOffset, 0.0f, 0.0f);
return Multiply(ref eyeOffsetMatrix, ref centerEyeViewMatrix);
}
//[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]
//static inline ovrMatrix4f vrapi_GetCenterEyeViewMatrix(
// ref ovrHeadModelParms headModelParms,
// ref ovrTracking tracking,
// ref ovrMatrix4f input
// )
//{
// const ovrMatrix4f centerEyeTransform = vrapi_GetCenterEyeTransform( headModelParms, tracking, input );
// return ovrMatrix4f_Inverse( ¢erEyeTransform );
//}
//public static ovrMatrix4f translate(ovrMatrix4f input, float x, float y, float z)
//{
// ovrMatrix4f output;
// translate(ref output, ref input, x, y, z);
// return output;
//}
//public static void translate(ref ovrMatrix4f output, ref ovrMatrix4f input, float x, float y, float z)
//{
// //float x = xyz[0], y = xyz[1], z = xyz[2];
// //if (input == output)
// //{
// // output[12] = input[0] * x + input[4] * y + input[8] * z + input[12];
// // output[13] = input[1] * x + input[5] * y + input[9] * z + input[13];
// // output[14] = input[2] * x + input[6] * y + input[10] * z + input[14];
// // output[15] = input[3] * x + input[7] * y + input[11] * z + input[15];
// // return output;
// //}
// fixed (float* input_M = input.M)
// fixed (float* output_M = output.M)
// {
// float a00, a01, a02, a03,
// a10, a11, a12, a13,
// a20, a21, a22, a23;
// a00 = input_M[0]; a01 = input_M[1]; a02 = input_M[2]; a03 = input_M[3];
// a10 = input_M[4]; a11 = input_M[5]; a12 = input_M[6]; a13 = input_M[7];
// a20 = input_M[8]; a21 = input_M[9]; a22 = input_M[10]; a23 = input_M[11];
// output_M[0] = a00; output_M[1] = a01; output_M[2] = a02; output_M[3] = a03;
// output_M[4] = a10; output_M[5] = a11; output_M[6] = a12; output_M[7] = a13;
// output_M[8] = a20; output_M[9] = a21; output_M[10] = a22; output_M[11] = a23;
// output_M[12] = a00 * x + a10 * y + a20 * z + input_M[12];
// output_M[13] = a01 * x + a11 * y + a21 * z + input_M[13];
// output_M[14] = a02 * x + a12 * y + a22 * z + input_M[14];
// output_M[15] = a03 * x + a13 * y + a23 * z + input_M[15];
// }
//}
//public static float[] translate(float[] output, float[] input, float[] xyz)
//{
// float x = xyz[0], y = xyz[1], z = xyz[2];
// if (input == output)
// {
// output[12] = input[0] * x + input[4] * y + input[8] * z + input[12];
// output[13] = input[1] * x + input[5] * y + input[9] * z + input[13];
// output[14] = input[2] * x + input[6] * y + input[10] * z + input[14];
// output[15] = input[3] * x + input[7] * y + input[11] * z + input[15];
// return output;
// }
// float a00, a01, a02, a03,
// a10, a11, a12, a13,
// a20, a21, a22, a23;
// a00 = input[0]; a01 = input[1]; a02 = input[2]; a03 = input[3];
// a10 = input[4]; a11 = input[5]; a12 = input[6]; a13 = input[7];
// a20 = input[8]; a21 = input[9]; a22 = input[10]; a23 = input[11];
// output[0] = a00; output[1] = a01; output[2] = a02; output[3] = a03;
// output[4] = a10; output[5] = a11; output[6] = a12; output[7] = a13;
// output[8] = a20; output[9] = a21; output[10] = a22; output[11] = a23;
// output[12] = a00 * x + a10 * y + a20 * z + input[12];
// output[13] = a01 * x + a11 * y + a21 * z + input[13];
// output[14] = a02 * x + a12 * y + a22 * z + input[14];
// output[15] = a03 * x + a13 * y + a23 * z + input[15];
// return output;
//}
//public static void Set(ref ovrMatrix4f xyz, byte* pBuffer)
public static void Set(ref ovrMatrix4f xyz, byte[] aBuffer, int UDPMatrixIndex)
{
// Error 7 You cannot use fixed size buffers contained in unfixed expressions. Try using the fixed statement. X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 808 21 OVRWindWheelNDK
// Error 7 You cannot use the fixed statement to take the address of an already fixed expression X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 782 37 OVRWindWheelNDK
//ConsoleExtensions.tracef("ovrRenderer_RenderFrame UDPDraw[] ", f);
//fixed (float* __xyz_M = &xyz.M[0])
fixed (float* __xyz_M = xyz.M)
fixed (byte* pBuffer = &aBuffer[0])
{
var pFloatBuffer = (float*)pBuffer;
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 1.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 2.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 1.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 3.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 1.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 4.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 0.000000
//I/xNativeActivity(15380): \VrCubeWorld.Renderer.cs:579 ovrRenderer_RenderFrame UDPDraw[] 1.000000
for (int i = 0; i < 4 * 4; i++)
{
var f = pFloatBuffer[i + UDPMatrixIndex * (64 / 4)];
//appThread.appState.tracef60("ovrRenderer_RenderFrame UDPDraw[] ", f);
//ConsoleExtensions.tracef("ovrRenderer_RenderFrame UDPDraw[] ", f);
__xyz_M[i] = f;
//xyz.M[i] = f;
// *(((float*)((&((&matrix4f2)->M)))) + (num5 * 4)) = single6;
}
}
// I/DEBUG (32762): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x4
// new data available!
//gpuInstanceTransformBuffer1[0] = __Matrix4x4.Transpose(&xyz);
//appThread.appState.tracei60("ovrRenderer_RenderFrame UDPDraw ? crash?");
//ConsoleExtensions.trace("ovrRenderer_RenderFrame UDPDraw ? crash?");
}
// transactional memory/historic undo button
public void Push(ovrMatrix4f value)
{
Push(this, ref value);
}
//public ovrMatrix4f __value;
// caller will keep the value on stack
public static ovrMatrix4f Multiply(ref ovrMatrix4f ref_a, ref ovrMatrix4f ref_b)
{
// memory dereference magic
// yet, in glsl we wont have pointers, all we will have is copy struct?
// http://www.gamedev.net/topic/347232-glsl-pointers/
// Error 3 A pointer must be indexed by only one value X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 93 98 OVRWindWheelNDK
//Error 5 The type of a local declared in a fixed statement must be a pointer type X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 92 20 OVRWindWheelNDK
ovrMatrix4f _o;
//fixed (ovrMatrix4f* po = &o)
fixed (ovrMatrix4f* pa = &ref_a)
fixed (ovrMatrix4f* pb = &ref_b)
{
object so = (size_t)(void*)&_o;
var o = (__Matrix4x4)so;
object sa = (size_t)pa;
var a = (__Matrix4x4)sa;
object sb = (size_t)pb;
var b = (__Matrix4x4)sb;
o.M[0, 0] = a.M[0, 0] * b.M[0, 0] + a.M[0, 1] * b.M[1, 0] + a.M[0, 2] * b.M[2, 0] + a.M[0, 3] * b.M[3, 0];
o.M[1, 0] = a.M[1, 0] * b.M[0, 0] + a.M[1, 1] * b.M[1, 0] + a.M[1, 2] * b.M[2, 0] + a.M[1, 3] * b.M[3, 0];
o.M[2, 0] = a.M[2, 0] * b.M[0, 0] + a.M[2, 1] * b.M[1, 0] + a.M[2, 2] * b.M[2, 0] + a.M[2, 3] * b.M[3, 0];
o.M[3, 0] = a.M[3, 0] * b.M[0, 0] + a.M[3, 1] * b.M[1, 0] + a.M[3, 2] * b.M[2, 0] + a.M[3, 3] * b.M[3, 0];
o.M[0, 1] = a.M[0, 0] * b.M[0, 1] + a.M[0, 1] * b.M[1, 1] + a.M[0, 2] * b.M[2, 1] + a.M[0, 3] * b.M[3, 1];
o.M[1, 1] = a.M[1, 0] * b.M[0, 1] + a.M[1, 1] * b.M[1, 1] + a.M[1, 2] * b.M[2, 1] + a.M[1, 3] * b.M[3, 1];
o.M[2, 1] = a.M[2, 0] * b.M[0, 1] + a.M[2, 1] * b.M[1, 1] + a.M[2, 2] * b.M[2, 1] + a.M[2, 3] * b.M[3, 1];
o.M[3, 1] = a.M[3, 0] * b.M[0, 1] + a.M[3, 1] * b.M[1, 1] + a.M[3, 2] * b.M[2, 1] + a.M[3, 3] * b.M[3, 1];
o.M[0, 2] = a.M[0, 0] * b.M[0, 2] + a.M[0, 1] * b.M[1, 2] + a.M[0, 2] * b.M[2, 2] + a.M[0, 3] * b.M[3, 2];
o.M[1, 2] = a.M[1, 0] * b.M[0, 2] + a.M[1, 1] * b.M[1, 2] + a.M[1, 2] * b.M[2, 2] + a.M[1, 3] * b.M[3, 2];
o.M[2, 2] = a.M[2, 0] * b.M[0, 2] + a.M[2, 1] * b.M[1, 2] + a.M[2, 2] * b.M[2, 2] + a.M[2, 3] * b.M[3, 2];
o.M[3, 2] = a.M[3, 0] * b.M[0, 2] + a.M[3, 1] * b.M[1, 2] + a.M[3, 2] * b.M[2, 2] + a.M[3, 3] * b.M[3, 2];
o.M[0, 3] = a.M[0, 0] * b.M[0, 3] + a.M[0, 1] * b.M[1, 3] + a.M[0, 2] * b.M[2, 3] + a.M[0, 3] * b.M[3, 3];
o.M[1, 3] = a.M[1, 0] * b.M[0, 3] + a.M[1, 1] * b.M[1, 3] + a.M[1, 2] * b.M[2, 3] + a.M[1, 3] * b.M[3, 3];
o.M[2, 3] = a.M[2, 0] * b.M[0, 3] + a.M[2, 1] * b.M[1, 3] + a.M[2, 2] * b.M[2, 3] + a.M[2, 3] * b.M[3, 3];
o.M[3, 3] = a.M[3, 0] * b.M[0, 3] + a.M[3, 1] * b.M[1, 3] + a.M[3, 2] * b.M[2, 3] + a.M[3, 3] * b.M[3, 3];
}
return _o;
}
public static ovrMatrix4f ovrMatrix4f_TanAngleMatrixFromProjection(ref ovrMatrix4f projection)
{
throw null;
}
public static ovrMatrix4f ovrMatrix4f_Transpose(ref ovrMatrix4f a)
{
throw null;
}
// transactional memory/historic undo button
public void Push(ovrMatrix4f value)
{
Push(this, ref value);
}
//public static ovrMatrix4f TanAngleMatrixFromProjection(__ovrMatrix4f projection)
public static ovrMatrix4f TanAngleMatrixFromProjection(ovrMatrix4f __projection)
{
ConsoleExtensions.trace("enter TanAngleMatrixFromProjection");
__Matrix4x4 projection = &__projection;
// A projection matrix goes from a view point to NDC, or -1 to 1 space.
// Scale and bias to convert that to a 0 to 1 space.
//const ovrMatrix4f tanAngleMatrix =
//float[,] tanAngleMatrix =
//{
// { 0.5f * projection.M[0,0], 0.5f * projection.M[0,1], 0.5f * projection.M[0,2] - 0.5f, 0.5f * projection.M[0,3] },
// { 0.5f * projection.M[1,0], 0.5f * projection.M[1,1], 0.5f * projection.M[1,2] - 0.5f, 0.5f * projection.M[1,3] },
// {0.0f, 0.0f, -1.0f, 0.0f},
// {0.0f, 0.0f, -1.0f, 0.0f }
//};
float[] tanAngleMatrix =
{
0.5f * projection.M[0,0], 0.5f * projection.M[0,1], 0.5f * projection.M[0,2] - 0.5f, 0.5f * projection.M[0,3] ,
0.5f * projection.M[1,0], 0.5f * projection.M[1,1], 0.5f * projection.M[1,2] - 0.5f, 0.5f * projection.M[1,3] ,
0.0f, 0.0f, -1.0f, 0.0f ,
0.0f, 0.0f, -1.0f, 0.0f
};
ovrMatrix4f that_data;
__Matrix4x4 that = &that_data;
//that_data.M = tanAngleMatrix;
//that_data.M[0] = tanAngleMatrix[0];
//for (int i = 0; i < 16; i++)
//{
// // this will cause stack corruption. why?
// that.M[i, i] = tanAngleMatrix[i];
//}
for (int x = 0; x < 4; x++)
for (int y = 0; y < 4; y++)
{
//that.M[x, y] = tanAngleMatrix[x, y];
//that.M[x, y] = tanAngleMatrix[x + 4 * y];
// memorylayout the same as for CLR?
that.M[x, y] = tanAngleMatrix[y + 4 * x];
}
//jni/OVRWindWheelNDK.dll.c:2651:28: error: expected expression before '?' token
// singleArray7 = calloc [?][?];
// ^
ConsoleExtensions.trace("exit TanAngleMatrixFromProjection, stack still valid?");
return that_data;
}
// vrapi_GetHmdInfo
// called by AppThreadFunction
public void ovrRenderer_Create(ref ovrHmdInfo hmdInfo)
{
ConsoleExtensions.trace("enter ovrRenderer_Create");
fixed (int* hmdInfo_SuggestedEyeResolution = hmdInfo.SuggestedEyeResolution)
fixed (float* hmdInfo_SuggestedEyeFov = hmdInfo.SuggestedEyeFov)
{
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:89 hmdInfo_SuggestedEyeResolution width 1024
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:90 hmdInfo_SuggestedEyeResolution height 1024
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:91 NUM_MULTI_SAMPLES 4
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:95 hmdInfo_SuggestedEyeFov[0] 90
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:96 hmdInfo_SuggestedEyeFov[1] 90
//I/xNativeActivity(26905): \VrCubeWorld.Renderer.cs:97 DisplayRefreshRate 60
ConsoleExtensions.tracei("hmdInfo_SuggestedEyeResolution width ", hmdInfo_SuggestedEyeResolution[0]);
ConsoleExtensions.tracei("hmdInfo_SuggestedEyeResolution height ", hmdInfo_SuggestedEyeResolution[1]);
ConsoleExtensions.tracei("NUM_MULTI_SAMPLES ", NUM_MULTI_SAMPLES);
ConsoleExtensions.tracei("hmdInfo_SuggestedEyeFov[0] ", (int)hmdInfo_SuggestedEyeFov[0]);
ConsoleExtensions.tracei("hmdInfo_SuggestedEyeFov[1] ", (int)hmdInfo_SuggestedEyeFov[1]);
ConsoleExtensions.tracei("DisplayRefreshRate ", (int)hmdInfo.DisplayRefreshRate);
// 1012
// Create the render Textures.
for (int i = 0; i < NUM_BUFFERS; i++)
for (int eye = 0; eye < NUM_EYES; eye++)
{
//ConsoleExtensions.tracei("call ovrRenderTexture_Create i ", i);
this.RenderTextures[i, eye].ovrRenderTexture_Create(
hmdInfo_SuggestedEyeResolution[0],
hmdInfo_SuggestedEyeResolution[1],
NUM_MULTI_SAMPLES,
i, eye
);
}
this.BufferIndex = 0;
// https://www.kickstarter.com/projects/wearality/wearality-sky-limitless-vr
// Setup the projection matrix.
this.ProjectionMatrix = VrApi_Helpers.ovrMatrix4f_CreateProjectionFov(
hmdInfo_SuggestedEyeFov[0] * ((float)Math.PI / 180.0f),
hmdInfo_SuggestedEyeFov[1] * ((float)Math.PI / 180.0f),
0.0f, 0.0f, 1.0f, 0.0f);
this.TanAngleMatrix = VrApi_Helpers.ovrMatrix4f_TanAngleMatrixFromProjection(ref this.ProjectionMatrix);
}
//ConsoleExtensions.trace("exit ovrRenderer_Create");
}
public static ovrMatrix4f ovrMatrix4f_TanAngleMatrixFromProjection(ref ovrMatrix4f projection)
{
throw null;
}
public static ovrMatrix4f Multiply(ovrMatrix4f _a, ovrMatrix4f _b)
{
// perhaps the compiler could decide to optimize and move to a byref pointer version?
// memory dereference magic
// yet, in glsl we wont have pointers, all we will have is copy struct?
// http://www.gamedev.net/topic/347232-glsl-pointers/
// Error 3 A pointer must be indexed by only one value X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 93 98 OVRWindWheelNDK
//Error 5 The type of a local declared in a fixed statement must be a pointer type X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 92 20 OVRWindWheelNDK
ovrMatrix4f _o;
__Matrix4x4 o = &_o;
__Matrix4x4 a = &_a;
__Matrix4x4 b = &_b;
{
o.M[0, 0] = a.M[0, 0] * b.M[0, 0] + a.M[0, 1] * b.M[1, 0] + a.M[0, 2] * b.M[2, 0] + a.M[0, 3] * b.M[3, 0];
o.M[1, 0] = a.M[1, 0] * b.M[0, 0] + a.M[1, 1] * b.M[1, 0] + a.M[1, 2] * b.M[2, 0] + a.M[1, 3] * b.M[3, 0];
o.M[2, 0] = a.M[2, 0] * b.M[0, 0] + a.M[2, 1] * b.M[1, 0] + a.M[2, 2] * b.M[2, 0] + a.M[2, 3] * b.M[3, 0];
o.M[3, 0] = a.M[3, 0] * b.M[0, 0] + a.M[3, 1] * b.M[1, 0] + a.M[3, 2] * b.M[2, 0] + a.M[3, 3] * b.M[3, 0];
o.M[0, 1] = a.M[0, 0] * b.M[0, 1] + a.M[0, 1] * b.M[1, 1] + a.M[0, 2] * b.M[2, 1] + a.M[0, 3] * b.M[3, 1];
o.M[1, 1] = a.M[1, 0] * b.M[0, 1] + a.M[1, 1] * b.M[1, 1] + a.M[1, 2] * b.M[2, 1] + a.M[1, 3] * b.M[3, 1];
o.M[2, 1] = a.M[2, 0] * b.M[0, 1] + a.M[2, 1] * b.M[1, 1] + a.M[2, 2] * b.M[2, 1] + a.M[2, 3] * b.M[3, 1];
o.M[3, 1] = a.M[3, 0] * b.M[0, 1] + a.M[3, 1] * b.M[1, 1] + a.M[3, 2] * b.M[2, 1] + a.M[3, 3] * b.M[3, 1];
o.M[0, 2] = a.M[0, 0] * b.M[0, 2] + a.M[0, 1] * b.M[1, 2] + a.M[0, 2] * b.M[2, 2] + a.M[0, 3] * b.M[3, 2];
o.M[1, 2] = a.M[1, 0] * b.M[0, 2] + a.M[1, 1] * b.M[1, 2] + a.M[1, 2] * b.M[2, 2] + a.M[1, 3] * b.M[3, 2];
o.M[2, 2] = a.M[2, 0] * b.M[0, 2] + a.M[2, 1] * b.M[1, 2] + a.M[2, 2] * b.M[2, 2] + a.M[2, 3] * b.M[3, 2];
o.M[3, 2] = a.M[3, 0] * b.M[0, 2] + a.M[3, 1] * b.M[1, 2] + a.M[3, 2] * b.M[2, 2] + a.M[3, 3] * b.M[3, 2];
o.M[0, 3] = a.M[0, 0] * b.M[0, 3] + a.M[0, 1] * b.M[1, 3] + a.M[0, 2] * b.M[2, 3] + a.M[0, 3] * b.M[3, 3];
o.M[1, 3] = a.M[1, 0] * b.M[0, 3] + a.M[1, 1] * b.M[1, 3] + a.M[1, 2] * b.M[2, 3] + a.M[1, 3] * b.M[3, 3];
o.M[2, 3] = a.M[2, 0] * b.M[0, 3] + a.M[2, 1] * b.M[1, 3] + a.M[2, 2] * b.M[2, 3] + a.M[2, 3] * b.M[3, 3];
o.M[3, 3] = a.M[3, 0] * b.M[0, 3] + a.M[3, 1] * b.M[1, 3] + a.M[3, 2] * b.M[2, 3] + a.M[3, 3] * b.M[3, 3];
// operating on fixed buffers, yet we want the dimensional array magic.
}
return _o;
}
public static ovrMatrix4f ovrMatrix4f_Transpose(ref ovrMatrix4f a)
{
throw null;
}
public static ovrMatrix4f CreateRotation(float radiansX, float radiansY, float radiansZ)
{
// X:\jsc.svn\examples\c\Test\TestStackFloatArray\TestStackFloatArray\Class1.cs
// http://stackoverflow.com/questions/9087563/maximum-native-memory-that-can-be-allocated-to-an-android-app
// Error 3 Cannot initialize object of type 'float*' with a collection initializer X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 248 17 OVRWindWheelNDK
// I/DEBUG ( 9747): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x8
float sinX = math.sinf(radiansX);
float cosX = math.cosf(radiansX);
// Error 3 Cannot take the address of, get the size of, or declare a pointer to a managed type ('float[*,*]') X:\jsc.svn\examples\java\android\vr\OVRWindWheelNDK\OVRWindWheelNDK\References\VrApi.ovrMatrix4f.cs 292 61 OVRWindWheelNDK
// we will leak a lot of heap...
// not the heap. the stack thankyou. almost playing GC?
// since we are not returning this array, it should live on stack. this way we wont leak memory as we are running without GC..
//float[] rotationX = stackalloc float[16];
//float[] rotationXx = new float[16];
//// I/xNativeActivity( 7804): \VrApi.ovrMatrix4f.cs:338 out of heap? errno: 12 Out of memory
//if (rotationXx == null)
//{
// // https://android.googlesource.com/platform/development/+/c817c5210e4207908b83faaf08a2c5b95251f871/ndk/platforms/android-5/arch-x86/usr/include/malloc.h
// ConsoleExtensions.trace("out of heap?");
// //I/System.Console(19158): 4ad6:480b enter GetAllNetworkInterfaces
// //I/xNativeActivity(18481): \VrApi.ovrMatrix4f.cs:343 out of heap? errno: 12 Out of memory
// //I/xNativeActivity(18481): \VrCubeWorld.AppThread.cs:71 mallinfo total allocated space: -2083023504
// //I/xNativeActivity(18481): \VrCubeWorld.AppThread.cs:72 mallinfo total free space: 76049040
// //malloc_h.malloc_stats();
// VrCubeWorld.ovrAppThread.xmallinfo();
// unistd._exit(43);
//}
//stdlib_h.free(rotationXx);
float[] rotationX =
{
1, 0, 0, 0,
0, cosX, -sinX, 0,
0, sinX, cosX, 0,
0, 0, 0, 1
};
float sinY = math.sinf(radiansY);
float cosY = math.cosf(radiansY);
float[] rotationY =
{
cosY, 0, sinY, 0,
0, 1, 0, 0,
-sinY, 0, cosY, 0,
0, 0, 0, 1
};
float sinZ = math.sinf(radiansZ);
float cosZ = math.cosf(radiansZ);
float[] rotationZ =
{
cosZ, -sinZ, 0, 0,
sinZ, cosZ, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
};
__Matrix4x4 x = rotationX;
__Matrix4x4 y = rotationY;
__Matrix4x4 z = rotationZ;
//ovrMatrix4f o;
ovrMatrix4f rotationXY = __Matrix4x4.Multiply(y, x);
ovrMatrix4f rotationXYZ = __Matrix4x4.Multiply(z, &rotationXY);
// copy it back..
return(rotationXYZ);
}
public static ovrMatrix4f ovrMatrix4f_Multiply(ref ovrMatrix4f a, ref ovrMatrix4f b)
{
throw null;
}
