diff options
Diffstat (limited to 'indra/llrender/llrender.cpp')
| -rw-r--r-- | indra/llrender/llrender.cpp | 192 |
1 files changed, 174 insertions, 18 deletions
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp index 8eb160f4e7..49e10c4790 100644 --- a/indra/llrender/llrender.cpp +++ b/indra/llrender/llrender.cpp @@ -47,6 +47,7 @@ U32 LLRender::sUICalls = 0; U32 LLRender::sUIVerts = 0; static const U32 LL_NUM_TEXTURE_LAYERS = 16; +static const U32 LL_NUM_LIGHT_UNITS = 8; static GLenum sGLTextureType[] = { @@ -747,6 +748,130 @@ void LLTexUnit::debugTextureUnit(void) } } +LLLightState::LLLightState(S32 index) +: mIndex(index), + mEnabled(false), + mConstantAtten(1.f), + mLinearAtten(0.f), + mQuadraticAtten(0.f), + mSpotExponent(0.f), + mSpotCutoff(180.f) +{ + if (mIndex == 0) + { + mDiffuse.set(1,1,1,1); + mSpecular.set(1,1,1,1); + } + + mAmbient.set(0,0,0,1); + mPosition.set(0,0,1,0); + mSpotDirection.set(0,0,-1); + +} + +void LLLightState::enable() +{ + if (!mEnabled) + { + glEnable(GL_LIGHT0+mIndex); + mEnabled = true; + } +} + +void LLLightState::disable() +{ + if (mEnabled) + { + glDisable(GL_LIGHT0+mIndex); + mEnabled = false; + } +} + +void LLLightState::setDiffuse(const LLColor4& diffuse) +{ + if (mDiffuse != diffuse) + { + mDiffuse = diffuse; + glLightfv(GL_LIGHT0+mIndex, GL_DIFFUSE, mDiffuse.mV); + } +} + +void LLLightState::setAmbient(const LLColor4& ambient) +{ + if (mAmbient != ambient) + { + mAmbient = ambient; + glLightfv(GL_LIGHT0+mIndex, GL_AMBIENT, mAmbient.mV); + } +} + +void LLLightState::setSpecular(const LLColor4& specular) +{ + if (mSpecular != specular) + { + mSpecular = specular; + glLightfv(GL_LIGHT0+mIndex, GL_SPECULAR, mSpecular.mV); + } +} + +void LLLightState::setPosition(const LLVector4& position) +{ + //always set position because modelview matrix may have changed + mPosition = position; + glLightfv(GL_LIGHT0+mIndex, GL_POSITION, mPosition.mV); +} + +void LLLightState::setConstantAttenuation(const F32& atten) +{ + if (mConstantAtten != atten) + { + mConstantAtten = atten; + glLightf(GL_LIGHT0+mIndex, GL_CONSTANT_ATTENUATION, atten); + } +} + +void LLLightState::setLinearAttenuation(const F32& atten) +{ + if (mLinearAtten != atten) + { + mLinearAtten = atten; + glLightf(GL_LIGHT0+mIndex, GL_LINEAR_ATTENUATION, atten); + } +} + +void LLLightState::setQuadraticAttenuation(const F32& atten) +{ + if (mQuadraticAtten != atten) + { + mQuadraticAtten = atten; + glLightf(GL_LIGHT0+mIndex, GL_QUADRATIC_ATTENUATION, atten); + } +} + +void LLLightState::setSpotExponent(const F32& exponent) +{ + if (mSpotExponent != exponent) + { + mSpotExponent = exponent; + glLightf(GL_LIGHT0+mIndex, GL_SPOT_EXPONENT, exponent); + } +} + +void LLLightState::setSpotCutoff(const F32& cutoff) +{ + if (mSpotCutoff != cutoff) + { + mSpotCutoff = cutoff; + glLightf(GL_LIGHT0+mIndex, GL_SPOT_CUTOFF, cutoff); + } +} + +void LLLightState::setSpotDirection(const LLVector3& direction) +{ + //always set direction because modelview matrix may have changed + mSpotDirection = direction; + glLightfv(GL_LIGHT0+mIndex, GL_SPOT_DIRECTION, direction.mV); +} LLRender::LLRender() : mDirty(false), @@ -768,6 +893,11 @@ LLRender::LLRender() } mDummyTexUnit = new LLTexUnit(-1); + for (U32 i = 0; i < LL_NUM_LIGHT_UNITS; ++i) + { + mLightState.push_back(new LLLightState(i)); + } + for (U32 i = 0; i < 4; i++) { mCurrColorMask[i] = true; @@ -795,6 +925,12 @@ void LLRender::shutdown() mTexUnits.clear(); delete mDummyTexUnit; mDummyTexUnit = NULL; + + for (U32 i = 0; i < mLightState.size(); ++i) + { + delete mLightState[i]; + } + mLightState.clear(); } void LLRender::refreshState(void) @@ -898,7 +1034,7 @@ LLVector3 LLRender::getUITranslation() { if (mUIOffset.empty()) { - return LLVector3::zero; + return LLVector3(0,0,0); } return mUIOffset.back(); } @@ -907,7 +1043,7 @@ LLVector3 LLRender::getUIScale() { if (mUIScale.empty()) { - return LLVector3(1.f, 1.f, 1.f); + return LLVector3(1,1,1); } return mUIScale.back(); } @@ -932,15 +1068,21 @@ void LLRender::setColorMask(bool writeColorR, bool writeColorG, bool writeColorB { flush(); - mCurrColorMask[0] = writeColorR; - mCurrColorMask[1] = writeColorG; - mCurrColorMask[2] = writeColorB; - mCurrColorMask[3] = writeAlpha; + if (mCurrColorMask[0] != writeColorR || + mCurrColorMask[1] != writeColorG || + mCurrColorMask[2] != writeColorB || + mCurrColorMask[3] != writeAlpha) + { + mCurrColorMask[0] = writeColorR; + mCurrColorMask[1] = writeColorG; + mCurrColorMask[2] = writeColorB; + mCurrColorMask[3] = writeAlpha; - glColorMask(writeColorR ? GL_TRUE : GL_FALSE, - writeColorG ? GL_TRUE : GL_FALSE, - writeColorB ? GL_TRUE : GL_FALSE, - writeAlpha ? GL_TRUE : GL_FALSE); + glColorMask(writeColorR ? GL_TRUE : GL_FALSE, + writeColorG ? GL_TRUE : GL_FALSE, + writeColorB ? GL_TRUE : GL_FALSE, + writeAlpha ? GL_TRUE : GL_FALSE); + } } void LLRender::setSceneBlendType(eBlendType type) @@ -978,15 +1120,19 @@ void LLRender::setAlphaRejectSettings(eCompareFunc func, F32 value) { flush(); - mCurrAlphaFunc = func; - mCurrAlphaFuncVal = value; - if (func == CF_DEFAULT) - { - glAlphaFunc(GL_GREATER, 0.01f); - } - else + if (mCurrAlphaFunc != func || + mCurrAlphaFuncVal != value) { - glAlphaFunc(sGLCompareFunc[func], value); + mCurrAlphaFunc = func; + mCurrAlphaFuncVal = value; + if (func == CF_DEFAULT) + { + glAlphaFunc(GL_GREATER, 0.01f); + } + else + { + glAlphaFunc(sGLCompareFunc[func], value); + } } } @@ -1045,6 +1191,16 @@ LLTexUnit* LLRender::getTexUnit(U32 index) } } +LLLightState* LLRender::getLight(U32 index) +{ + if (index < mLightState.size()) + { + return mLightState[index]; + } + + return NULL; +} + bool LLRender::verifyTexUnitActive(U32 unitToVerify) { if (mCurrTextureUnitIndex == unitToVerify) |