// /////////////////////////////////////////////////////////////////
//
// /////////////////////////////////////////////////////////////////
bool SetColorFromLua(const LuaPlus::LuaObject &colorData, Vector4 &color)
{
if(!colorData.IsTable()) {
return (false);
}
LuaPlus::LuaObject rData = colorData["r"];
LuaPlus::LuaObject gData = colorData["g"];
LuaPlus::LuaObject bData = colorData["b"];
LuaPlus::LuaObject aData = colorData["a"];
if(!rData.IsNumber() || !gData.IsNumber() || !bData.IsNumber() || !aData.IsNumber()) {
return (false);
}
F32 r = static_cast<F32>(rData.GetNumber());
F32 g = static_cast<F32>(gData.GetNumber());
F32 b = static_cast<F32>(bData.GetNumber());
F32 a = static_cast<F32>(aData.GetNumber());
Clamp<F32>(r, 0.0f, 1.0f);
Clamp<F32>(g, 0.0f, 1.0f);
Clamp<F32>(b, 0.0f, 1.0f);
Clamp<F32>(a, 0.0f, 1.0f);
color.Set(r, g, b, a);
return (true);
}
// /////////////////////////////////////////////////////////////////
//
// /////////////////////////////////////////////////////////////////
bool SetVector4FromLua(const LuaPlus::LuaObject &dirData, Vector4 &direction)
{
if(!dirData.IsTable()) {
return (false);
}
LuaPlus::LuaObject xData = dirData["x"];
LuaPlus::LuaObject yData = dirData["y"];
LuaPlus::LuaObject zData = dirData["z"];
LuaPlus::LuaObject wData = dirData["w"];
if(!xData.IsNumber() || !yData.IsNumber() || !zData.IsNumber() || !wData.IsNumber()) {
return (false);
}
F32 x = static_cast<F32>(xData.GetNumber());
F32 y = static_cast<F32>(yData.GetNumber());
F32 z = static_cast<F32>(zData.GetNumber());
F32 w = static_cast<F32>(wData.GetNumber());
direction.Set(x, y, z, w);
return (true);
}
static void Average(void)
{
float fTexX, fTexY;
Vector4 vOffset;
Vector4 vTexOffset_256x256[16];
Vector4 vTexOffset_64x64[16];
Vector4 vTexOffset_16x16[16];
Vector4 vTexOffset_4x4[16];
int index = 0;
index=0;
fTexX = 1.0f/256.0f;
fTexY = 1.0f/256.0f;
vOffset.Set(-0.5f/64.0f, -0.5f/64.0f, 0.0f, 0.0f);
for ( int y=0; y<4; y++ )
{
for ( int x=0; x<4; x++ )
{
vTexOffset_256x256[index].Set(x*fTexX, y*fTexY, 0.0f, 0.0f);
vTexOffset_256x256[index] += vOffset;
index++;
}
}
index=0;
fTexX = 1.0f/64.0f;
fTexY = 1.0f/64.0f;
vOffset.Set(-0.5f/16.0f, -0.5f/16.0f, 0.0f, 0.0f);
for ( int y=0; y<4; y++ )
{
for ( int x=0; x<4; x++ )
{
vTexOffset_64x64[index].Set(x*fTexX, y*fTexY, 0.0f, 0.0f);
vTexOffset_64x64[index] += vOffset;
index++;
}
}
index=0;
fTexX = 1.0f/16.0f;
fTexY = 1.0f/16.0f;
vOffset.Set(-0.5f/4.0f, -0.5f/4.0f, 0.0f, 0.0f);
for ( int y=0; y<4; y++ )
{
for ( int x=0; x<4; x++ )
{
vTexOffset_16x16[index].Set(x*fTexX, y*fTexY, 0.0f, 0.0f);
vTexOffset_16x16[index] += vOffset;
index++;
}
}
index=0;
fTexX = 1.0f/4.0f;
fTexY = 1.0f/4.0f;
vOffset.Set(-0.5f, -0.5f, 0.0f, 0.0f);
for ( int y=0; y<4; y++ )
{
for ( int x=0; x<4; x++ )
{
vTexOffset_4x4[index].Set(x*fTexX, y*fTexY, 0.0f, 0.0f);
vTexOffset_4x4[index] += vOffset;
index++;
}
}
ID3D10EffectTechnique *pShader = g_pExposureFX->GetTechniqueByName("Average16Samples");
ID3D10EffectShaderResourceVariable *pImage_var = g_pExposureFX->GetVariableByName("Image0")->AsShaderResource();
ID3D10EffectVectorVariable *pTexOffset_var = g_pExposureFX->GetVariableByName("vTexOffset")->AsVector();
// pShader->GetPassByIndex(0)->Apply(0);
// 256x256 -> 64x64
{
g_pDevice->OMSetRenderTargets(1, &g_pRTView[DOWNSAMPLED_64x64], NULL);
SetViewport(DOWNSAMPLED_64x64);
pImage_var->SetResource(g_pSRView[DOWNSAMPLED_256x256]);
pTexOffset_var->SetFloatVectorArray( (float *)vTexOffset_256x256, 0, 16);
pShader->GetPassByIndex(0)->Apply(0);
DrawFullScreenQuad();
}
// 64x64 -> 16x16
{
g_pDevice->OMSetRenderTargets(1, &g_pRTView[DOWNSAMPLED_16x16], NULL);
SetViewport(DOWNSAMPLED_16x16);
pImage_var->SetResource(g_pSRView[DOWNSAMPLED_64x64]);
pTexOffset_var->SetFloatVectorArray( (float *)vTexOffset_64x64, 0, 16);
pShader->GetPassByIndex(0)->Apply(0);
DrawFullScreenQuad();
}
// 16x16 -> 4x4
{
g_pDevice->OMSetRenderTargets(1, &g_pRTView[DOWNSAMPLED_4x4], NULL);
SetViewport(DOWNSAMPLED_4x4);
pImage_var->SetResource(g_pSRView[DOWNSAMPLED_16x16]);
pTexOffset_var->SetFloatVectorArray( (float *)vTexOffset_16x16, 0, 16);
pShader->GetPassByIndex(0)->Apply(0);
DrawFullScreenQuad();
}
// 4x4 -> 1x1
{
g_pDevice->OMSetRenderTargets(1, &g_pRTView[LUMINANCE_CURRENT], NULL);
SetViewport(LUMINANCE_CURRENT);
pImage_var->SetResource(g_pSRView[DOWNSAMPLED_4x4]);
pTexOffset_var->SetFloatVectorArray( (float *)vTexOffset_4x4, 0, 16);
pShader->GetPassByIndex(0)->Apply(0);
DrawFullScreenQuad();
}
static int count = 0;
count++;
}
