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synced 2024-11-19 05:26:13 +00:00
Test the barrel shader, see #43
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kaetemi
parent
e0435fbc06
commit
5354a2851c
3 changed files with 171 additions and 34 deletions
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@ -63,6 +63,7 @@ class ITexture;
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class CTextureUser;
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class CStereoOVRDevicePtr;
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class CStereoOVRDeviceHandle;
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class CPixelProgram;
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#define NL_STEREO_MAX_USER_CAMERAS 8
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@ -147,6 +148,7 @@ private:
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NL3D::CTextureUser *m_BarrelTexU;
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NL3D::UMaterial m_BarrelMat;
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NLMISC::CQuadUV m_BarrelQuad;
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CPixelProgram *m_PixelProgram;
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}; /* class CStereoOVR */
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@ -68,6 +68,7 @@ using namespace std;
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namespace NL3D {
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extern const char *g_StereoOVR_arbfp1;
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extern const char *g_StereoOVR_ps_2_0;
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namespace {
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@ -163,7 +164,7 @@ public:
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OVR::HMDInfo HMDInfo;
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};
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CStereoOVR::CStereoOVR(const CStereoOVRDeviceHandle *handle) : m_Stage(0), m_SubStage(0), m_OrientationCached(false), m_Driver(NULL), m_BarrelTexU(NULL)
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CStereoOVR::CStereoOVR(const CStereoOVRDeviceHandle *handle) : m_Stage(0), m_SubStage(0), m_OrientationCached(false), m_Driver(NULL), m_BarrelTexU(NULL), m_PixelProgram(NULL)
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{
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++s_DeviceCounter;
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m_DevicePtr = new CStereoOVRDevicePtr();
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@ -211,6 +212,9 @@ CStereoOVR::~CStereoOVR()
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m_BarrelTexU = NULL;
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m_BarrelTex = NULL; // CSmartPtr
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delete m_PixelProgram;
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m_PixelProgram = NULL;
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m_Driver = NULL;
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if (m_DevicePtr->SensorDevice)
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@ -227,49 +231,84 @@ CStereoOVR::~CStereoOVR()
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void CStereoOVR::setDriver(NL3D::UDriver *driver)
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{
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m_Driver = driver;
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// Do not allow weird stuff.
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uint32 width, height;
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driver->getWindowSize(width, height);
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nlassert(width == m_DevicePtr->HMDInfo.HResolution);
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nlassert(height == m_DevicePtr->HMDInfo.VResolution);
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nlassert(!m_PixelProgram);
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NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(driver))->getDriver();
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/*static const char *program_arbfp1 =
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"!!ARBfp1.0\n"
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"PARAM c[1] = { { 1, 0 } };\n"
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"MOV result.color.xzw, c[0].xyyx;\n"
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"TEX result.color.y, fragment.texcoord[0], texture[0], 2D;\n"
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"END\n";
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static const char *program_ps_2_0 =
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"ps_2_0\n"
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"dcl_2d s0\n"
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"def c0, 1.00000000, 0.00000000, 0, 0\n"
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"dcl t0.xy\n"
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"texld r0, t0, s0\n"
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"mov r0.z, c0.y\n"
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"mov r0.xw, c0.x\n"
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"mov oC0, r0\n";*/
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/*if (drvInternal->supportPixelProgram(CPixelProgram::arbfp1))
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{
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nldebug("VR: arbfp1");
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m_PixelProgram = new CPixelProgram(program_arbfp1);
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}
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else */ if (drvInternal->supportPixelProgram(CPixelProgram::ps_2_0))
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{
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nldebug("VR: ps_2_0");
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m_PixelProgram = new CPixelProgram(g_StereoOVR_ps_2_0);
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}
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m_BarrelTex = new CTextureBloom(); // lol bloom
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m_BarrelTex->setReleasable(false);
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m_BarrelTex->resize(width, height);
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m_BarrelTex->setFilterMode(ITexture::Linear, ITexture::LinearMipMapOff);
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m_BarrelTex->setWrapS(ITexture::Clamp);
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m_BarrelTex->setWrapT(ITexture::Clamp);
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m_BarrelTex->setRenderTarget(true);
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drvInternal->setupTexture(*m_BarrelTex);
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m_BarrelTexU = new CTextureUser(m_BarrelTex);
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if (m_PixelProgram)
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{
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m_Driver = driver;
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m_BarrelMat = m_Driver->createMaterial();
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NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
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m_BarrelMat.initUnlit();
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m_BarrelMat.setColor(CRGBA::White);
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m_BarrelMat.setBlend (false);
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m_BarrelMat.setAlphaTest (false);
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barrelMat->setBlendFunc(CMaterial::one, CMaterial::zero);
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barrelMat->setZWrite(false);
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barrelMat->setZFunc(CMaterial::always);
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barrelMat->setDoubleSided(true);
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barrelMat->setTexture(0, m_BarrelTex);
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m_BarrelTex = new CTextureBloom(); // lol bloom
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m_BarrelTex->setReleasable(false);
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m_BarrelTex->resize(width, height);
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m_BarrelTex->setFilterMode(ITexture::Linear, ITexture::LinearMipMapOff);
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m_BarrelTex->setWrapS(ITexture::Clamp);
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m_BarrelTex->setWrapT(ITexture::Clamp);
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m_BarrelTex->setRenderTarget(true);
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drvInternal->setupTexture(*m_BarrelTex);
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m_BarrelTexU = new CTextureUser(m_BarrelTex);
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m_BarrelQuad.V0 = CVector(0.f, 0.f, 0.5f);
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m_BarrelQuad.V1 = CVector(1.f, 0.f, 0.5f);
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m_BarrelQuad.V2 = CVector(1.f, 1.f, 0.5f);
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m_BarrelQuad.V3 = CVector(0.f, 1.f, 0.5f);
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float newU = drvInternal->isTextureRectangle(m_BarrelTex) ? (float)width : 1.f;
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float newV = drvInternal->isTextureRectangle(m_BarrelTex) ? (float)height : 1.f;
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m_BarrelMat = m_Driver->createMaterial();
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m_BarrelMat.initUnlit();
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m_BarrelMat.setColor(CRGBA::White);
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m_BarrelMat.setBlend (false);
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m_BarrelMat.setAlphaTest (false);
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NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
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barrelMat->setShader(NL3D::CMaterial::PostProcessing);
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barrelMat->setBlendFunc(CMaterial::one, CMaterial::zero);
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barrelMat->setZWrite(false);
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barrelMat->setZFunc(CMaterial::always);
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barrelMat->setDoubleSided(true);
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barrelMat->setTexture(0, m_BarrelTex);
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m_BarrelQuad.Uv0 = CUV(0.f, 0.f);
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m_BarrelQuad.Uv1 = CUV(newU, 0.f);
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m_BarrelQuad.Uv2 = CUV(newU, newV);
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m_BarrelQuad.Uv3 = CUV(0.f, newV);
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m_BarrelQuad.V0 = CVector(0.f, 0.f, 0.5f);
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m_BarrelQuad.V1 = CVector(1.f, 0.f, 0.5f);
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m_BarrelQuad.V2 = CVector(1.f, 1.f, 0.5f);
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m_BarrelQuad.V3 = CVector(0.f, 1.f, 0.5f);
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float newU = drvInternal->isTextureRectangle(m_BarrelTex) ? (float)width : 1.f;
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float newV = drvInternal->isTextureRectangle(m_BarrelTex) ? (float)height : 1.f;
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m_BarrelQuad.Uv0 = CUV(0.f, 0.f);
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m_BarrelQuad.Uv1 = CUV(newU, 0.f);
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m_BarrelQuad.Uv2 = CUV(newU, newV);
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m_BarrelQuad.Uv3 = CUV(0.f, newV);
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}
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else
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{
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nlwarning("VR: No pixel program support");
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}
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}
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void CStereoOVR::getScreenResolution(uint &width, uint &height)
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@ -473,10 +512,46 @@ bool CStereoOVR::endRenderTarget()
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{
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CTextureUser cu;
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(static_cast<CDriverUser *>(m_Driver))->setRenderTarget(cu);
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bool fogEnabled = m_Driver->fogEnabled();
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m_Driver->enableFog(false);
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m_Driver->setMatrixMode2D11();
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m_Driver->setViewport(CViewport());
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CViewport vp = CViewport();
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m_Driver->setViewport(vp);
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uint32 width, height;
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m_Driver->getWindowSize(width, height);
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NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(m_Driver))->getDriver();
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NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
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barrelMat->setTexture(0, m_BarrelTex);
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drvInternal->activePixelProgram(m_PixelProgram);
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float w = float(vp.getWidth()),// / float(width),
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h = float(vp.getHeight()),// / float(height),
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x = float(vp.getX()),/// / float(width),
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y = float(vp.getY());// / float(height);
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float lensOffset = m_DevicePtr->HMDInfo.LensSeparationDistance * 0.5f;
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float lensShift = m_DevicePtr->HMDInfo.HScreenSize * 0.25f - lensOffset;
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float lensViewportShift = 4.0f * lensShift / m_DevicePtr->HMDInfo.HScreenSize;
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float lensCenterX = x + (w + lensViewportShift * 0.5f) * 0.5f;
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float lensCenterY = y + h * 0.5f;
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float screenCenterX = x + w * 0.5f;
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float screenCenterY = y + h * 0.5f;
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float scaleX = (w / 2);
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float scaleY = (h / 2);
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float scaleInX = (2 / w);
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float scaleInY = (2 / h);
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drvInternal->setPixelProgramConstant(0, lensCenterX, lensCenterY, 0.f, 0.f);
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drvInternal->setPixelProgramConstant(1, screenCenterX, screenCenterY, 0.f, 0.f);
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drvInternal->setPixelProgramConstant(2, scaleX, scaleY, 0.f, 0.f);
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drvInternal->setPixelProgramConstant(3, scaleInX, scaleInY, 0.f, 0.f);
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drvInternal->setPixelProgramConstant(4, 1, m_DevicePtr->HMDInfo.DistortionK);
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m_Driver->drawQuad(m_BarrelQuad, m_BarrelMat);
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drvInternal->activePixelProgram(NULL);
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m_Driver->enableFog(fogEnabled);
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return true;
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}
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@ -78,5 +78,65 @@ const char *g_StereoOVR_arbfp1 =
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"CMP R1.x, -R1, c[5].z, c[5].w;\n"
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"CMP result.color, -R1.x, R0, c[5].z;\n"
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"END\n";
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const char *g_StereoOVR_ps_2_0 =
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//# 28 instructions, 2 R-regs
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"ps_2_0\n"
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// cgc version 3.1.0013, build date Apr 18 2012
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// command line args: -profile ps_2_0
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// source file: pp_oculus_vr.cg
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//vendor NVIDIA Corporation
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//version 3.1.0.13
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//profile ps_2_0
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//program pp_oculus_vr
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//semantic pp_oculus_vr.cLensCenter
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//semantic pp_oculus_vr.cScreenCenter
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//semantic pp_oculus_vr.cScale
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//semantic pp_oculus_vr.cScaleIn
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//semantic pp_oculus_vr.cHmdWarpParam
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//semantic pp_oculus_vr.cTex0 : TEX0
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//var float2 texCoord : $vin.TEXCOORD0 : TEX0 : 0 : 1
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//var float2 cLensCenter : : c[0] : 1 : 1
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//var float2 cScreenCenter : : c[1] : 2 : 1
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//var float2 cScale : : c[2] : 3 : 1
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//var float2 cScaleIn : : c[3] : 4 : 1
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//var float4 cHmdWarpParam : : c[4] : 5 : 1
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//var sampler2D cTex0 : TEX0 : texunit 0 : 6 : 1
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//var float4 oCol : $vout.COLOR : COL : 7 : 1
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//const c[5] = -0.25 -0.5 0.25 0.5
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//const c[6] = 1 0
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"dcl_2d s0\n"
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"def c5, -0.25000000, -0.50000000, 0.25000000, 0.50000000\n"
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"def c6, 1.00000000, 0.00000000, 0, 0\n"
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"dcl t0.xy\n"
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"add r0.xy, t0, -c0\n"
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"mul r4.xy, r0, c3\n"
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"mul r0.x, r4.y, r4.y\n"
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"mad r0.x, r4, r4, r0\n"
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"mul r1.x, r0, c4.w\n"
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"mul r1.x, r1, r0\n"
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"mad r3.x, r0, c4.y, c4\n"
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"mul r2.x, r0, c4.z\n"
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"mad r2.x, r0, r2, r3\n"
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"mad r0.x, r1, r0, r2\n"
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"mul r0.xy, r4, r0.x\n"
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"mul r0.xy, r0, c2\n"
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"add r3.xy, r0, c0\n"
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"mov r1.x, c5.z\n"
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"mov r1.y, c5.w\n"
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"mov r2.xy, c1\n"
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"add r2.xy, r1, r2\n"
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"mov r1.xy, c1\n"
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"min r2.xy, r2, r3\n"
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"add r1.xy, c5, r1\n"
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"max r1.xy, r1, r2\n"
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"add r1.xy, r1, -r3\n"
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"abs r1.xy, r1\n"
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"cmp r1.xy, -r1, c6.x, c6.y\n"
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"mul_pp r1.x, r1, r1.y\n"
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"abs_pp r1.x, r1\n"
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"cmp_pp r1.x, -r1, c6, c6.y\n"
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"abs_pp r1.x, r1\n"
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"texld r0, r3, s0\n"
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"cmp r0, -r1.x, r0, c6.y\n"
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"mov oC0, r0\n";
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}
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