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Issue #2364 - use DrawTarget::DrawSurfaceWithShadow to render box shadows on platforms that accelerate it.

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Moonchild 2023-10-30 13:03:32 +01:00 • committed by roytam1
commit 4beb3b947c
13 changed files with 228 additions and 150 deletions
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20
gfx/2d/DrawTargetD2D1.cpp
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@ -244,21 +244,29 @@ DrawTargetD2D1::DrawSurfaceWithShadow(SourceSurface *aSurface,
// Step 1, create the shadow effect.
RefPtr<ID2D1Effect> shadowEffect;
HRESULT hr = mDC->CreateEffect(CLSID_D2D1Shadow, getter_AddRefs(shadowEffect));
HRESULT hr = mDC->CreateEffect(mFormat == SurfaceFormat::A8 ? CLSID_D2D1GaussianBlur : CLSID_D2D1Shadow,
getter_AddRefs(shadowEffect));
if (FAILED(hr) || !shadowEffect) {
gfxWarning() << "Failed to create shadow effect. Code: " << hexa(hr);
return;
}
shadowEffect->SetInput(0, image);
shadowEffect->SetValue(D2D1_SHADOW_PROP_BLUR_STANDARD_DEVIATION, aSigma);
D2D1_VECTOR_4F color = { aColor.r, aColor.g, aColor.b, aColor.a };
shadowEffect->SetValue(D2D1_SHADOW_PROP_COLOR, color);
if (mFormat == SurfaceFormat::A8) {
shadowEffect->SetValue(D2D1_GAUSSIANBLUR_PROP_STANDARD_DEVIATION, aSigma);
shadowEffect->SetValue(D2D1_GAUSSIANBLUR_PROP_BORDER_MODE, D2D1_BORDER_MODE_HARD);
} else {
shadowEffect->SetValue(D2D1_SHADOW_PROP_BLUR_STANDARD_DEVIATION, aSigma);
D2D1_VECTOR_4F color = { aColor.r, aColor.g, aColor.b, aColor.a };
shadowEffect->SetValue(D2D1_SHADOW_PROP_COLOR, color);
}
D2D1_POINT_2F shadowPoint = D2DPoint(aDest + aOffset);
mDC->DrawImage(shadowEffect, &shadowPoint, nullptr, D2D1_INTERPOLATION_MODE_LINEAR, D2DCompositionMode(aOperator));
D2D1_POINT_2F imgPoint = D2DPoint(aDest);
mDC->DrawImage(image, &imgPoint, nullptr, D2D1_INTERPOLATION_MODE_LINEAR, D2DCompositionMode(aOperator));
if (aSurface->GetFormat() != SurfaceFormat::A8) {
D2D1_POINT_2F imgPoint = D2DPoint(aDest);
mDC->DrawImage(image, &imgPoint, nullptr, D2D1_INTERPOLATION_MODE_LINEAR, D2DCompositionMode(aOperator));
}
}
void