//Draw
void COculusVR::DrawScreen()
{
//clear
wzClear();
// Adjust eye position and rotation from controls, maintaining y position from HMD.
static float BodyYaw(3.141592f);
static Vector3f HeadPos(0.0f, 0.0f, -5.0f);
static ovrTrackingState HmdState;
static ovrPosef eyeRenderPose[2];
ovrVector3f hmdToEyeViewOffset[2] = { EyeRenderDesc[0].HmdToEyeViewOffset, EyeRenderDesc[1].HmdToEyeViewOffset };
ovrHmd_GetEyePoses(Hmd, 0, hmdToEyeViewOffset, eyeRenderPose, &HmdState);
/* debug
wzSetSpriteScSize(1920, 1080);
wzSetSpritePosition(0.0f, 0.0f, 0.0f);
wzSetSpriteColor(1.0f, 1.0f, 1.0f, 1.0f);
wzSetSpriteTexCoord(0.0f, 0.0f, 1.0f, 1.0f);
wzSetSpriteSizeLeftUp((float)1920, (float)1080);
wzSetSpriteTexture(&m_screenTex);
wzSpriteDraw(); //Draw
*/
// Setup shader
wzUseShader(&LensShader);
wzSetTexture("texture0", &m_screenTex, 0);
for ( int eyeNum = 0; eyeNum < 2; eyeNum++ )
{
wzVector2 uvScale = {UVScaleOffset[eyeNum][0].x,-UVScaleOffset[eyeNum][0].y};
wzVector2 uvOffset = {UVScaleOffset[eyeNum][1].x,UVScaleOffset[eyeNum][1].y};
wzMatrix rotStart,rotEnd;
wzUniformVector2("eyeToSourceUVscale", &uvScale);
wzUniformVector2("eyeToSourceUVoffset", &uvOffset);
ovrMatrix4f timeWarpMatrices[2];
ovrHmd_GetEyeTimewarpMatrices(Hmd, (ovrEyeType)eyeNum, eyeRenderPose[eyeNum], timeWarpMatrices);
memcpy(&rotStart.m,&timeWarpMatrices[0],sizeof(ovrMatrix4f));
memcpy(&rotEnd.m,&timeWarpMatrices[1],sizeof(ovrMatrix4f));
wzUniformMatrix("eyeRotationStart", &rotStart); //Nb transposed when set
wzUniformMatrix("eyeRotationEnd", &rotEnd);
//Draw Mesh
wzDrawMesh(&MeshBuffer[eyeNum]);
}
//DK2 Latency Tester
unsigned char latencyColor[3];
ovrBool drawDk2LatencyQuad = ovrHmd_GetLatencyTest2DrawColor(Hmd, latencyColor);
if(drawDk2LatencyQuad)
{
const int latencyQuadSize = 20; // only needs to be 1-pixel, but larger helps visual debugging
wzSetViewport(Hmd->Resolution.w - latencyQuadSize, 0, latencyQuadSize, latencyQuadSize);
wzSetClearColor(latencyColor[0] / 255.0f, latencyColor[1] / 255.0f, latencyColor[2] / 255.0f,0.0f);
wzClear();
}
}
/*
* 描画用スレッド関数
* 最大のパフォーマンスの間隔で呼ばれます。
*/
void DrawLoop(void)
{
// 画面クリア
wzClear();
/*----------------------------------------
****ゲームを描画する****
（GPUにアクセスする描画処理を書く）
※繰り返し呼び出されます。
----------------------------------------*/
sSceneManager->Draw();
/*------------------------------------------------------------------*/
// デバッグ情報（通常不要）
wzSetSpriteColor(1.0f, 1.0f, 1.0f, 1.0f);
wzSetSpriteRotate(0.0f);
wzFontSize(18);
wzPrintf(20, 40, (char *)"Wizapply");
wzPrintf(20, 70, (char *)"Update:%0.2f", wzGetUpdateFPS());
wzPrintf(20, 90, (char *)"Draw :%0.2f", wzGetDrawFPS());
wzPrintf(20, 120, (char *)"isHold:%u", wzGetTime());
wzPrintf(20, 140, (char *)"holdFrame:%d", sKeyPadManager->GetMainKeyPad()->GetHoldFrame(KeyPadA));
}
