diff options
Diffstat (limited to 'indra/newview/llviewertexture.cpp')
-rw-r--r-- | indra/newview/llviewertexture.cpp | 214 |
1 files changed, 86 insertions, 128 deletions
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp index 578deb8b3f..ec03556ff4 100644 --- a/indra/newview/llviewertexture.cpp +++ b/indra/newview/llviewertexture.cpp @@ -89,8 +89,6 @@ S32 LLViewerTexture::sAuxCount = 0; LLFrameTimer LLViewerTexture::sEvaluationTimer; F32 LLViewerTexture::sDesiredDiscardBias = 0.f; F32 LLViewerTexture::sDesiredDiscardScale = 1.1f; -S8 LLViewerTexture::sCameraMovingDiscardBias = 0; -F32 LLViewerTexture::sCameraMovingBias = 0.0f; S32 LLViewerTexture::sMaxSculptRez = 128; //max sculpt image size const S32 MAX_CACHED_RAW_IMAGE_AREA = 64 * 64; const S32 MAX_CACHED_RAW_SCULPT_IMAGE_AREA = LLViewerTexture::sMaxSculptRez * LLViewerTexture::sMaxSculptRez; @@ -103,8 +101,6 @@ F32 LLViewerTexture::sCurrentTime = 0.0f; LLViewerTexture::EDebugTexels LLViewerTexture::sDebugTexelsMode = LLViewerTexture::DEBUG_TEXELS_OFF; -const F32 desired_discard_bias_min = -2.0f; // -max number of levels to improve image quality by -const F32 desired_discard_bias_max = (F32)MAX_DISCARD_LEVEL; // max number of levels to reduce image quality by const F64 log_2 = log(2.0); #if ADDRESS_SIZE == 32 @@ -471,8 +467,6 @@ void LLViewerTexture::initClass() } // tuning params -const F32 discard_bias_delta = .25f; -const F32 discard_delta_time = 0.5f; const F32 GPU_MEMORY_CHECK_WAIT_TIME = 1.0f; // non-const (used externally F32 texmem_lower_bound_scale = 0.85f; @@ -552,29 +546,26 @@ void LLViewerTexture::updateClass() LLViewerMediaTexture::updateClass(); - if(isMemoryForTextureLow()) - { - // Note: isMemoryForTextureLow() uses 1s delay, make sure we waited enough for it to recheck - if (sEvaluationTimer.getElapsedTimeF32() > GPU_MEMORY_CHECK_WAIT_TIME) - { - sDesiredDiscardBias += discard_bias_delta; - sEvaluationTimer.reset(); - } - } - else if (sDesiredDiscardBias > 0.0f - && isMemoryForTextureSuficientlyFree()) - { - // If we are using less texture memory than we should, - // scale down the desired discard level - if (sEvaluationTimer.getElapsedTimeF32() > discard_delta_time) - { - sDesiredDiscardBias -= discard_bias_delta; - sEvaluationTimer.reset(); - } - } - sDesiredDiscardBias = llclamp(sDesiredDiscardBias, desired_discard_bias_min, desired_discard_bias_max); + static LLCachedControl<U32> max_vram_budget(gSavedSettings, "RenderMaxVRAMBudget", 0); + + // get an estimate of how much video memory we're using + // NOTE: our metrics miss about half the vram we use, so this biases high but turns out to typically be within 5% of the real number + F32 used = (LLImageGL::getTextureBytesAllocated() + LLVertexBuffer::getBytesAllocated()) / 1024 / 512; + + F32 budget = max_vram_budget == 0 ? gGLManager.mVRAM : max_vram_budget; + + // try to leave half a GB for everyone else, but keep at least 768MB for ourselves + F32 target = llmax(budget - 512.f, 768.f); + + F32 over_pct = llmax((used-target) / target, 0.f); + sDesiredDiscardBias = llmax(sDesiredDiscardBias, 1.f + over_pct); - LLViewerTexture::sFreezeImageUpdates = sDesiredDiscardBias > (desired_discard_bias_max - 1.0f); + if (sDesiredDiscardBias > 1.f) + { + sDesiredDiscardBias -= gFrameIntervalSeconds * 0.01; + } + + LLViewerTexture::sFreezeImageUpdates = false; // sDesiredDiscardBias > (desired_discard_bias_max - 1.0f); } //end of static functions @@ -627,7 +618,6 @@ LLViewerTexture::~LLViewerTexture() // virtual void LLViewerTexture::init(bool firstinit) { - mSelectedTime = 0.f; mMaxVirtualSize = 0.f; mMaxVirtualSizeResetInterval = 1; mMaxVirtualSizeResetCounter = mMaxVirtualSizeResetInterval; @@ -685,7 +675,6 @@ void LLViewerTexture::setBoostLevel(S32 level) { mBoostLevel = level; if(mBoostLevel != LLViewerTexture::BOOST_NONE && - mBoostLevel != LLViewerTexture::BOOST_ALM && mBoostLevel != LLViewerTexture::BOOST_SELECTED && mBoostLevel != LLViewerTexture::BOOST_ICON) { @@ -698,12 +687,6 @@ void LLViewerTexture::setBoostLevel(S32 level) { mMaxVirtualSize = 2048.f * 2048.f; } - - if (mBoostLevel == LLViewerTexture::BOOST_SELECTED) - { - mSelectedTime = gFrameTimeSeconds; - } - } bool LLViewerTexture::isActiveFetching() @@ -1710,10 +1693,6 @@ void LLViewerFetchedTexture::processTextureStats() { mDesiredDiscardLevel = 0; } - else if (!LLPipeline::sRenderDeferred && mBoostLevel == LLGLTexture::BOOST_ALM) - { // ??? don't load spec and normal maps when alm is disabled ??? - mDesiredDiscardLevel = MAX_DISCARD_LEVEL + 1; - } else if (mDontDiscard && mBoostLevel == LLGLTexture::BOOST_ICON) { if (mFullWidth > MAX_IMAGE_SIZE_DEFAULT || mFullHeight > MAX_IMAGE_SIZE_DEFAULT) @@ -1831,8 +1810,7 @@ bool LLViewerFetchedTexture::updateFetch() { LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; static LLCachedControl<bool> textures_decode_disabled(gSavedSettings,"TextureDecodeDisabled", false); - static LLCachedControl<F32> sCameraMotionThreshold(gSavedSettings,"TextureCameraMotionThreshold", 0.2); - static LLCachedControl<S32> sCameraMotionBoost(gSavedSettings,"TextureCameraMotionBoost", 3); + if(textures_decode_disabled) // don't fetch the surface textures in wireframe mode { return false; @@ -2055,32 +2033,9 @@ bool LLViewerFetchedTexture::updateFetch() make_request = false; switchToCachedImage(); //use the cached raw data first } - //else if (!isJustBound() && mCachedRawImageReady) - //{ - // make_request = false; - //} if (make_request) { -#if 0 - // Load the texture progressively: we try not to rush to the desired discard too fast. - // If the camera is not moving, we do not tweak the discard level notch by notch but go to the desired discard with larger boosted steps - // This mitigates the "textures stay blurry" problem when loading while not killing the texture memory while moving around - S32 delta_level = (mBoostLevel > LLGLTexture::BOOST_ALM) ? 2 : 1; - if (current_discard < 0) - { - desired_discard = llmax(desired_discard, getMaxDiscardLevel() - delta_level); - } - else if (LLViewerTexture::sCameraMovingBias < sCameraMotionThreshold) - { - desired_discard = llmax(desired_discard, current_discard - sCameraMotionBoost); - } - else - { - desired_discard = llmax(desired_discard, current_discard - delta_level); - } -#endif - if (mIsFetching) { // already requested a higher resolution mip @@ -3095,10 +3050,6 @@ void LLViewerLODTexture::processTextureStats() if (mFullWidth > MAX_IMAGE_SIZE_DEFAULT || mFullHeight > MAX_IMAGE_SIZE_DEFAULT) mDesiredDiscardLevel = 1; // MAX_IMAGE_SIZE_DEFAULT = 1024 and max size ever is 2048 } - else if (!LLPipeline::sRenderDeferred && mBoostLevel == LLGLTexture::BOOST_ALM) - { - mDesiredDiscardLevel = MAX_DISCARD_LEVEL + 1; - } else if (mBoostLevel < LLGLTexture::BOOST_HIGH && mMaxVirtualSize <= 10.f) { // If the image has not been significantly visible in a while, we don't want it @@ -3108,72 +3059,69 @@ void LLViewerLODTexture::processTextureStats() { mDesiredDiscardLevel = getMaxDiscardLevel(); } - else - { - //static const F64 log_2 = log(2.0); - static const F64 log_4 = log(4.0); + else + { + //static const F64 log_2 = log(2.0); + static const F64 log_4 = log(4.0); - F32 discard_level = 0.f; + F32 discard_level = 0.f; - // If we know the output width and height, we can force the discard - // level to the correct value, and thus not decode more texture - // data than we need to. - if (mKnownDrawWidth && mKnownDrawHeight) - { - S32 draw_texels = mKnownDrawWidth * mKnownDrawHeight; - draw_texels = llclamp(draw_texels, MIN_IMAGE_AREA, MAX_IMAGE_AREA); + // If we know the output width and height, we can force the discard + // level to the correct value, and thus not decode more texture + // data than we need to. + if (mKnownDrawWidth && mKnownDrawHeight) + { + S32 draw_texels = mKnownDrawWidth * mKnownDrawHeight; + draw_texels = llclamp(draw_texels, MIN_IMAGE_AREA, MAX_IMAGE_AREA); - // Use log_4 because we're in square-pixel space, so an image - // with twice the width and twice the height will have mTexelsPerImage - // 4 * draw_size - discard_level = (F32)(log(mTexelsPerImage/draw_texels) / log_4); - } - else - { - // Calculate the required scale factor of the image using pixels per texel - discard_level = (F32)(log(mTexelsPerImage/mMaxVirtualSize) / log_4); - mDiscardVirtualSize = mMaxVirtualSize; - mCalculatedDiscardLevel = discard_level; - } - if (mBoostLevel < LLGLTexture::BOOST_SCULPTED) - { - discard_level += sDesiredDiscardBias; - discard_level *= sDesiredDiscardScale; // scale - discard_level += sCameraMovingDiscardBias; - } - discard_level = floorf(discard_level); + // Use log_4 because we're in square-pixel space, so an image + // with twice the width and twice the height will have mTexelsPerImage + // 4 * draw_size + discard_level = (F32)(log(mTexelsPerImage / draw_texels) / log_4); + } + else + { + // Calculate the required scale factor of the image using pixels per texel + discard_level = (F32)(log(mTexelsPerImage / mMaxVirtualSize) / log_4); + mDiscardVirtualSize = mMaxVirtualSize; + mCalculatedDiscardLevel = discard_level; + } + if (mBoostLevel < LLGLTexture::BOOST_SCULPTED) + { + discard_level *= sDesiredDiscardScale; // scale (default 1.1f) + } + discard_level = floorf(discard_level); - F32 min_discard = 0.f; - U32 desired_size = MAX_IMAGE_SIZE_DEFAULT; // MAX_IMAGE_SIZE_DEFAULT = 1024 and max size ever is 2048 - if (mBoostLevel <= LLGLTexture::BOOST_SCULPTED) - { - desired_size = DESIRED_NORMAL_TEXTURE_SIZE; - } - if (mFullWidth > desired_size || mFullHeight > desired_size) - min_discard = 1.f; + F32 min_discard = 0.f; + U32 desired_size = MAX_IMAGE_SIZE_DEFAULT; // MAX_IMAGE_SIZE_DEFAULT = 1024 and max size ever is 2048 + if (mBoostLevel <= LLGLTexture::BOOST_SCULPTED) + { + desired_size = DESIRED_NORMAL_TEXTURE_SIZE; + } + if (mFullWidth > desired_size || mFullHeight > desired_size) + min_discard = 1.f; - discard_level = llclamp(discard_level, min_discard, (F32)MAX_DISCARD_LEVEL); - - // Can't go higher than the max discard level - mDesiredDiscardLevel = llmin(getMaxDiscardLevel() + 1, (S32)discard_level); - // Clamp to min desired discard - mDesiredDiscardLevel = llmin(mMinDesiredDiscardLevel, mDesiredDiscardLevel); + discard_level = llclamp(discard_level, min_discard, (F32)MAX_DISCARD_LEVEL); - // - // At this point we've calculated the quality level that we want, - // if possible. Now we check to see if we have it, and take the - // proper action if we don't. - // + // Can't go higher than the max discard level + mDesiredDiscardLevel = llmin(getMaxDiscardLevel() + 1, (S32)discard_level); + // Clamp to min desired discard + mDesiredDiscardLevel = llmin(mMinDesiredDiscardLevel, mDesiredDiscardLevel); - S32 current_discard = getDiscardLevel(); - if (sDesiredDiscardBias > 0.0f && mBoostLevel < LLGLTexture::BOOST_SCULPTED && current_discard >= 0) - { - if(desired_discard_bias_max <= sDesiredDiscardBias && !mForceToSaveRawImage) - { - //needs to release texture memory urgently - scaleDown(); - } - } + // + // At this point we've calculated the quality level that we want, + // if possible. Now we check to see if we have it, and take the + // proper action if we don't. + // + + S32 current_discard = getDiscardLevel(); + if (mBoostLevel < LLGLTexture::BOOST_SCULPTED && current_discard >= 0) + { + if (current_discard < (mDesiredDiscardLevel-1) && !mForceToSaveRawImage) + { // should scale down + scaleDown(); + } + } if (isUpdateFrozen() // we are out of memory and nearing max allowed bias && mBoostLevel < LLGLTexture::BOOST_SCULPTED @@ -3188,6 +3136,16 @@ void LLViewerLODTexture::processTextureStats() { mDesiredDiscardLevel = llmin(mDesiredDiscardLevel, (S8)mDesiredSavedRawDiscardLevel); } + + // decay max virtual size over time + mMaxVirtualSize *= 0.8f; + + // selection manager will immediately reset BOOST_SELECTED but never unsets it + // unset it immediately after we consume it + if (getBoostLevel() == BOOST_SELECTED) + { + setBoostLevel(BOOST_NONE); + } } bool LLViewerLODTexture::scaleDown() |