diff options
Diffstat (limited to 'indra/newview/llface.cpp')
| -rw-r--r-- | indra/newview/llface.cpp | 65 |
1 files changed, 48 insertions, 17 deletions
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp index 6e6e991e84..d22950cad3 100644 --- a/indra/newview/llface.cpp +++ b/indra/newview/llface.cpp @@ -923,6 +923,26 @@ void LLFace::updateRebuildFlags() } } + +bool LLFace::canRenderAsMask() +{ + const LLTextureEntry* te = getTextureEntry(); + return ( + ( + (LLPipeline::sRenderDeferred && LLPipeline::sAutoMaskAlphaDeferred) || + + (!LLPipeline::sRenderDeferred && LLPipeline::sAutoMaskAlphaNonDeferred) + ) // do we want masks at all? + && + (te->getColor().mV[3] == 1.0f) && // can't treat as mask if we have face alpha + !(LLPipeline::sRenderDeferred && te->getFullbright()) && // hack: alpha masking renders fullbright faces invisible in deferred rendering mode, need to figure out why - for now, avoid + (te->getGlow() == 0.f) && // glowing masks are hard to implement - don't mask + + getTexture()->getIsAlphaMask() // texture actually qualifies for masking (lazily recalculated but expensive) + ); +} + + static LLFastTimer::DeclareTimer FTM_FACE_GET_GEOM("Face Geom"); BOOL LLFace::getGeometryVolume(const LLVolume& volume, @@ -1453,24 +1473,13 @@ F32 LLFace::getTextureVirtualSize() face_area = mPixelArea / llclamp(texel_area, 0.015625f, 128.f); } - if(face_area > LLViewerTexture::sMaxSmallImageSize) + face_area = LLFace::adjustPixelArea(mImportanceToCamera, face_area) ; + if(face_area > LLViewerTexture::sMinLargeImageSize) //if is large image, shrink face_area by considering the partial overlapping. { - if(mImportanceToCamera < LEAST_IMPORTANCE) //if the face is not important, do not load hi-res. - { - static const F32 MAX_LEAST_IMPORTANCE_IMAGE_SIZE = 128.0f * 128.0f ; - face_area = llmin(face_area * 0.5f, MAX_LEAST_IMPORTANCE_IMAGE_SIZE) ; - } - else if(face_area > LLViewerTexture::sMinLargeImageSize) //if is large image, shrink face_area by considering the partial overlapping. - { - if(mImportanceToCamera < LEAST_IMPORTANCE_FOR_LARGE_IMAGE)//if the face is not important, do not load hi-res. - { - face_area = LLViewerTexture::sMinLargeImageSize ; - } - else if(mTexture.notNull() && mTexture->isLargeImage()) - { - face_area *= adjustPartialOverlapPixelArea(cos_angle_to_view_dir, radius ); - } - } + if(mImportanceToCamera > LEAST_IMPORTANCE_FOR_LARGE_IMAGE && mTexture.notNull() && mTexture->isLargeImage()) + { + face_area *= adjustPartialOverlapPixelArea(cos_angle_to_view_dir, radius ); + } } setVirtualSize(face_area) ; @@ -1597,6 +1606,28 @@ F32 LLFace::calcImportanceToCamera(F32 cos_angle_to_view_dir, F32 dist) return importance ; } +//static +F32 LLFace::adjustPixelArea(F32 importance, F32 pixel_area) +{ + if(pixel_area > LLViewerTexture::sMaxSmallImageSize) + { + if(importance < LEAST_IMPORTANCE) //if the face is not important, do not load hi-res. + { + static const F32 MAX_LEAST_IMPORTANCE_IMAGE_SIZE = 128.0f * 128.0f ; + pixel_area = llmin(pixel_area * 0.5f, MAX_LEAST_IMPORTANCE_IMAGE_SIZE) ; + } + else if(pixel_area > LLViewerTexture::sMinLargeImageSize) //if is large image, shrink face_area by considering the partial overlapping. + { + if(importance < LEAST_IMPORTANCE_FOR_LARGE_IMAGE)//if the face is not important, do not load hi-res. + { + pixel_area = LLViewerTexture::sMinLargeImageSize ; + } + } + } + + return pixel_area ; +} + BOOL LLFace::verify(const U32* indices_array) const { BOOL ok = TRUE; |