void AutoExposure(void)
{
LPDIRECT3DDEVICE9 device = GutGetGraphicsDeviceDX9();
D3DXHANDLE shader = g_pExposureEffect->GetTechniqueByName("AutoExposure");
g_pExposureEffect->SetTechnique(shader);
Vector4 vMiddleGray(0.5f);
Vector4 vMultiplierClamp(0.2f, 3.0f, 0.0f, 0.0f);
D3DXHANDLE middlegray_var = g_pExposureEffect->GetParameterByName(NULL, "vMiddleGray");
D3DXHANDLE clamp_var = g_pExposureEffect->GetParameterByName(NULL, "vMultiplierClamp");
D3DXHANDLE image0_var = g_pExposureEffect->GetParameterByName(NULL, "Image");
D3DXHANDLE image1_var = g_pExposureEffect->GetParameterByName(NULL, "Image2");
g_pExposureEffect->SetVector(middlegray_var, (D3DXVECTOR4*)&vMiddleGray);
g_pExposureEffect->SetVector(clamp_var, (D3DXVECTOR4*)&vMultiplierClamp);
g_pExposureEffect->SetTexture(image0_var, g_pFrameBuffer[FULLSIZE]);
g_pExposureEffect->SetTexture(image1_var, g_pFrameBuffer[LUMINANCE_TEMP]);
g_pExposureEffect->Begin(NULL, 0);
g_pExposureEffect->BeginPass(0);
DrawFullScreenQuad(&g_ImageInfo);
g_pExposureEffect->EndPass();
g_pExposureEffect->End();
}
static void AutoExposure(void)
{
ID3D10RenderTargetView *pRenderTargetView = GutGetDX10RenderTargetView();
ID3D10EffectTechnique *pShader = g_pExposureFX->GetTechniqueByName("AutoExposure");
ID3D10EffectShaderResourceVariable *pImage0_var = g_pExposureFX->GetVariableByName("Image0")->AsShaderResource();
ID3D10EffectShaderResourceVariable *pImage1_var = g_pExposureFX->GetVariableByName("Image1")->AsShaderResource();
ID3D10EffectVectorVariable *pMulClamp_var = g_pExposureFX->GetVariableByName("vMultiplierClamp")->AsVector();
ID3D10EffectVectorVariable *pMiddle_var = g_pExposureFX->GetVariableByName("vMiddleGray")->AsVector();
Vector4 vMiddleGray(0.5f);
Vector4 vMultiplierClamp(0.2f, 3.0f, 0.0f, 0.0f);
pImage0_var->SetResource(g_pSRView[FULLSIZE]);
pImage1_var->SetResource(g_pSRView[LUMINANCE_PREVIOUS]);
pMulClamp_var->SetFloatVector( (float*)&vMultiplierClamp[0] );
pMiddle_var->SetFloatVector( (float*)&vMiddleGray[0] );
g_pDevice->OMSetRenderTargets(1, &pRenderTargetView, NULL);
SetViewport(FULLSIZE);
pShader->GetPassByIndex(0)->Apply(0);
DrawFullScreenQuad();
}
