Khaganat-NeL/khanat-opennel-code
2
0
Fork 0
Code Issues 21 Pull requests Projects Releases 1 Packages Wiki Activity

Test the barrel shader, see #43

Browse source 
--HG--
branch : multipass-stereo
This commit is contained in:
kaetemi 2013-07-02 02:40:27 +02:00
parent d45813adfc
commit ce92c13289
3 changed files with 171 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
code/nel/include/nel/3d/stereo_ovr.h
View file

@ -63,6 +63,7 @@ class ITexture;
class CTextureUser;
class CStereoOVRDevicePtr;
class CStereoOVRDeviceHandle;
class CPixelProgram;
#define NL_STEREO_MAX_USER_CAMERAS 8
@ -147,6 +148,7 @@ private:
NL3D::CTextureUser *m_BarrelTexU;
NL3D::UMaterial m_BarrelMat;
NLMISC::CQuadUV m_BarrelQuad;
CPixelProgram *m_PixelProgram;
}; /* class CStereoOVR */

83
code/nel/src/3d/stereo_ovr.cpp
View file

@ -68,6 +68,7 @@ using namespace std;
namespace NL3D {
extern const char *g_StereoOVR_arbfp1;
extern const char *g_StereoOVR_ps_2_0;
namespace {
@ -163,7 +164,7 @@ public:
OVR::HMDInfo HMDInfo;
};
CStereoOVR::CStereoOVR(const CStereoOVRDeviceHandle *handle) : m_Stage(0), m_SubStage(0), m_OrientationCached(false), m_Driver(NULL), m_BarrelTexU(NULL)
CStereoOVR::CStereoOVR(const CStereoOVRDeviceHandle *handle) : m_Stage(0), m_SubStage(0), m_OrientationCached(false), m_Driver(NULL), m_BarrelTexU(NULL), m_PixelProgram(NULL)
{
++s_DeviceCounter;
m_DevicePtr = new CStereoOVRDevicePtr();
@ -211,6 +212,9 @@ CStereoOVR::~CStereoOVR()
m_BarrelTexU = NULL;
m_BarrelTex = NULL; // CSmartPtr
delete m_PixelProgram;
m_PixelProgram = NULL;
m_Driver = NULL;
if (m_DevicePtr->SensorDevice)
@ -227,14 +231,43 @@ CStereoOVR::~CStereoOVR()
void CStereoOVR::setDriver(NL3D::UDriver *driver)
{
m_Driver = driver;
// Do not allow weird stuff.
uint32 width, height;
driver->getWindowSize(width, height);
nlassert(width == m_DevicePtr->HMDInfo.HResolution);
nlassert(height == m_DevicePtr->HMDInfo.VResolution);
nlassert(!m_PixelProgram);
NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(driver))->getDriver();
/*static const char *program_arbfp1 =
"!!ARBfp1.0\n"
"PARAM c[1] = { { 1, 0 } };\n"
"MOV result.color.xzw, c[0].xyyx;\n"
"TEX result.color.y, fragment.texcoord[0], texture[0], 2D;\n"
"END\n";
static const char *program_ps_2_0 =
"ps_2_0\n"
"dcl_2d s0\n"
"def c0, 1.00000000, 0.00000000, 0, 0\n"
"dcl t0.xy\n"
"texld r0, t0, s0\n"
"mov r0.z, c0.y\n"
"mov r0.xw, c0.x\n"
"mov oC0, r0\n";*/
/*if (drvInternal->supportPixelProgram(CPixelProgram::arbfp1))
{
nldebug("VR: arbfp1");
m_PixelProgram = new CPixelProgram(program_arbfp1);
}
else */ if (drvInternal->supportPixelProgram(CPixelProgram::ps_2_0))
{
nldebug("VR: ps_2_0");
m_PixelProgram = new CPixelProgram(g_StereoOVR_ps_2_0);
}
if (m_PixelProgram)
{
m_Driver = driver;
m_BarrelTex = new CTextureBloom(); // lol bloom
m_BarrelTex->setReleasable(false);
@ -247,11 +280,12 @@ void CStereoOVR::setDriver(NL3D::UDriver *driver)
m_BarrelTexU = new CTextureUser(m_BarrelTex);
m_BarrelMat = m_Driver->createMaterial();
NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
m_BarrelMat.initUnlit();
m_BarrelMat.setColor(CRGBA::White);
m_BarrelMat.setBlend (false);
m_BarrelMat.setAlphaTest (false);
NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
barrelMat->setShader(NL3D::CMaterial::PostProcessing);
barrelMat->setBlendFunc(CMaterial::one, CMaterial::zero);
barrelMat->setZWrite(false);
barrelMat->setZFunc(CMaterial::always);
@ -271,6 +305,11 @@ void CStereoOVR::setDriver(NL3D::UDriver *driver)
m_BarrelQuad.Uv2 = CUV(newU, newV);
m_BarrelQuad.Uv3 = CUV(0.f, newV);
}
else
{
nlwarning("VR: No pixel program support");
}
}
void CStereoOVR::getScreenResolution(uint &width, uint &height)
{
@ -473,10 +512,46 @@ bool CStereoOVR::endRenderTarget()
{
CTextureUser cu;
(static_cast<CDriverUser *>(m_Driver))->setRenderTarget(cu);
bool fogEnabled = m_Driver->fogEnabled();
m_Driver->enableFog(false);
m_Driver->setMatrixMode2D11();
m_Driver->setViewport(CViewport());
CViewport vp = CViewport();
m_Driver->setViewport(vp);
uint32 width, height;
m_Driver->getWindowSize(width, height);
NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(m_Driver))->getDriver();
NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
barrelMat->setTexture(0, m_BarrelTex);
drvInternal->activePixelProgram(m_PixelProgram);
float w = float(vp.getWidth()),// / float(width),
h = float(vp.getHeight()),// / float(height),
x = float(vp.getX()),/// / float(width),
y = float(vp.getY());// / float(height);
float lensOffset = m_DevicePtr->HMDInfo.LensSeparationDistance * 0.5f;
float lensShift = m_DevicePtr->HMDInfo.HScreenSize * 0.25f - lensOffset;
float lensViewportShift = 4.0f * lensShift / m_DevicePtr->HMDInfo.HScreenSize;
float lensCenterX = x + (w + lensViewportShift * 0.5f) * 0.5f;
float lensCenterY = y + h * 0.5f;
float screenCenterX = x + w * 0.5f;
float screenCenterY = y + h * 0.5f;
float scaleX = (w / 2);
float scaleY = (h / 2);
float scaleInX = (2 / w);
float scaleInY = (2 / h);
drvInternal->setPixelProgramConstant(0, lensCenterX, lensCenterY, 0.f, 0.f);
drvInternal->setPixelProgramConstant(1, screenCenterX, screenCenterY, 0.f, 0.f);
drvInternal->setPixelProgramConstant(2, scaleX, scaleY, 0.f, 0.f);
drvInternal->setPixelProgramConstant(3, scaleInX, scaleInY, 0.f, 0.f);
drvInternal->setPixelProgramConstant(4, 1, m_DevicePtr->HMDInfo.DistortionK);
m_Driver->drawQuad(m_BarrelQuad, m_BarrelMat);
drvInternal->activePixelProgram(NULL);
m_Driver->enableFog(fogEnabled);
return true;
}

60
code/nel/src/3d/stereo_ovr_fp.cpp
View file

@ -78,5 +78,65 @@ const char *g_StereoOVR_arbfp1 =
"CMP R1.x, -R1, c[5].z, c[5].w;\n"
"CMP result.color, -R1.x, R0, c[5].z;\n"
"END\n";
const char *g_StereoOVR_ps_2_0 =
//# 28 instructions, 2 R-regs
"ps_2_0\n"
// cgc version 3.1.0013, build date Apr 18 2012
// command line args: -profile ps_2_0
// source file: pp_oculus_vr.cg
//vendor NVIDIA Corporation
//version 3.1.0.13
//profile ps_2_0
//program pp_oculus_vr
//semantic pp_oculus_vr.cLensCenter
//semantic pp_oculus_vr.cScreenCenter
//semantic pp_oculus_vr.cScale
//semantic pp_oculus_vr.cScaleIn
//semantic pp_oculus_vr.cHmdWarpParam
//semantic pp_oculus_vr.cTex0 : TEX0
//var float2 texCoord : $vin.TEXCOORD0 : TEX0 : 0 : 1
//var float2 cLensCenter : : c[0] : 1 : 1
//var float2 cScreenCenter : : c[1] : 2 : 1
//var float2 cScale : : c[2] : 3 : 1
//var float2 cScaleIn : : c[3] : 4 : 1
//var float4 cHmdWarpParam : : c[4] : 5 : 1
//var sampler2D cTex0 : TEX0 : texunit 0 : 6 : 1
//var float4 oCol : $vout.COLOR : COL : 7 : 1
//const c[5] = -0.25 -0.5 0.25 0.5
//const c[6] = 1 0
"dcl_2d s0\n"
"def c5, -0.25000000, -0.50000000, 0.25000000, 0.50000000\n"
"def c6, 1.00000000, 0.00000000, 0, 0\n"
"dcl t0.xy\n"
"add r0.xy, t0, -c0\n"
"mul r4.xy, r0, c3\n"
"mul r0.x, r4.y, r4.y\n"
"mad r0.x, r4, r4, r0\n"
"mul r1.x, r0, c4.w\n"
"mul r1.x, r1, r0\n"
"mad r3.x, r0, c4.y, c4\n"
"mul r2.x, r0, c4.z\n"
"mad r2.x, r0, r2, r3\n"
"mad r0.x, r1, r0, r2\n"
"mul r0.xy, r4, r0.x\n"
"mul r0.xy, r0, c2\n"
"add r3.xy, r0, c0\n"
"mov r1.x, c5.z\n"
"mov r1.y, c5.w\n"
"mov r2.xy, c1\n"
"add r2.xy, r1, r2\n"
"mov r1.xy, c1\n"
"min r2.xy, r2, r3\n"
"add r1.xy, c5, r1\n"
"max r1.xy, r1, r2\n"
"add r1.xy, r1, -r3\n"
"abs r1.xy, r1\n"
"cmp r1.xy, -r1, c6.x, c6.y\n"
"mul_pp r1.x, r1, r1.y\n"
"abs_pp r1.x, r1\n"
"cmp_pp r1.x, -r1, c6, c6.y\n"
"abs_pp r1.x, r1\n"
"texld r0, r3, s0\n"
"cmp r0, -r1.x, r0, c6.y\n"
"mov oC0, r0\n";
}