static void ExpLuminance(void)
{
ID3D10EffectTechnique *pShader = g_pExposureFX->GetTechniqueByName("ExpLuminance");
ID3D10EffectShaderResourceVariable *pImage0_var = g_pExposureFX->GetVariableByName("Image0")->AsShaderResource();
g_pDevice->OMSetRenderTargets(1, &g_pRTView[LUMINANCE_TEMP], NULL);
pImage0_var->SetResource(g_pSRView[LUMINANCE_CURRENT]);
pShader->GetPassByIndex(0)->Apply(0);
DrawFullScreenQuad();
SwapRenderTarget(LUMINANCE_CURRENT, LUMINANCE_TEMP);
}
static void AdaptiveLuminance(void)
{
ID3D10EffectTechnique *pShader = g_pExposureFX->GetTechniqueByName("AdaptiveLuminance");
ID3D10EffectShaderResourceVariable *pImage0_var = g_pExposureFX->GetVariableByName("Image0")->AsShaderResource();
ID3D10EffectShaderResourceVariable *pImage1_var = g_pExposureFX->GetVariableByName("Image1")->AsShaderResource();
ID3D10EffectVectorVariable *pAdaptiveSpeed_var = g_pExposureFX->GetVariableByName("vAdaptiveSpeed")->AsVector();
Vector4 vSpeed(0.1f);
pImage0_var->SetResource(g_pSRView[LUMINANCE_PREVIOUS]);
pImage1_var->SetResource(g_pSRView[LUMINANCE_CURRENT]);
pAdaptiveSpeed_var->SetFloatVector( (float*)&vSpeed[0] );
g_pDevice->OMSetRenderTargets(1, &g_pRTView[LUMINANCE_TEMP], NULL);
pShader->GetPassByIndex(0)->Apply(0);
DrawFullScreenQuad();
SwapRenderTarget(LUMINANCE_TEMP, LUMINANCE_PREVIOUS);
}
void ExpLuminance(void)
{
LPDIRECT3DDEVICE9 device = GutGetGraphicsDeviceDX9();
device->SetRenderTarget(0, g_pFrameSurface[LUMINANCE_TEMP]);
D3DXHANDLE shader = g_pExposureEffect->GetTechniqueByName("ExpLuminance");
D3DXHANDLE image_var = g_pExposureEffect->GetParameterByName(NULL, "Image");
g_pExposureEffect->SetTechnique(shader);
g_pExposureEffect->SetTexture(image_var, g_pFrameBuffer[LUMINANCE_CURRENT]);
g_pExposureEffect->Begin(NULL, 0);
g_pExposureEffect->BeginPass(0);
DrawFullScreenQuad(&g_Image1x1);
g_pExposureEffect->EndPass();
g_pExposureEffect->End();
SwapRenderTarget(LUMINANCE_TEMP, LUMINANCE_CURRENT);
}
void AdaptiveLuminance(void)
{
static int count = 0;
LPDIRECT3DDEVICE9 device = GutGetGraphicsDeviceDX9();
if ( count )
{
device->SetRenderTarget(0, g_pFrameSurface[LUMINANCE_TEMP]);
D3DXHANDLE shader = g_pExposureEffect->GetTechniqueByName("AdaptiveLuminance");
g_pExposureEffect->SetTechnique(shader);
Vector4 vSpeed(0.03f);
D3DXHANDLE speed_var = g_pExposureEffect->GetParameterByName(NULL, "vAdaptiveSpeed");
D3DXHANDLE image0_var = g_pExposureEffect->GetParameterByName(NULL, "Image");
D3DXHANDLE image1_var = g_pExposureEffect->GetParameterByName(NULL, "Image2");
g_pExposureEffect->SetVector(speed_var, (D3DXVECTOR4*)&vSpeed);
g_pExposureEffect->SetTexture(image0_var, g_pFrameBuffer[LUMINANCE_PREVIOUS]);
g_pExposureEffect->SetTexture(image1_var, g_pFrameBuffer[LUMINANCE_CURRENT]);
g_pExposureEffect->Begin(NULL, 0);
g_pExposureEffect->BeginPass(0);
DrawFullScreenQuad(&g_Image1x1);
g_pExposureEffect->EndPass();
g_pExposureEffect->End();
}
else
{
device->StretchRect(g_pFrameSurface[LUMINANCE_CURRENT], NULL, g_pFrameSurface[LUMINANCE_TEMP], NULL, D3DTEXF_POINT);
}
// copy
//device->StretchRect(g_pFrameSurface[LUMINANCE_TEMP], NULL, g_pFrameSurface[LUMINANCE_PREVIOUS], NULL, D3DTEXF_POINT);
SwapRenderTarget(LUMINANCE_TEMP, LUMINANCE_PREVIOUS);
count++;
}
