SL-17701 WIP -- Parity for point lights between opaque and transparent PBR materials

4 files changed, 27 insertions, 0 deletions

diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 471dbce1dd..554721399a 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -735,6 +735,24 @@ void LLLightState::setSunPrimary(bool v)
     }
 }
 
+void LLLightState::setSize(F32 v)
+{
+    if (mSize != v)
+    {
+        ++gGL.mLightHash;
+        mSize = v;
+    }
+}
+
+void LLLightState::setFalloff(F32 v)
+{
+    if (mFalloff != v)
+    {
+        ++gGL.mLightHash;
+        mFalloff = v;
+    }
+}
+
 void LLLightState::setAmbient(const LLColor4& ambient)
 {
 	if (mAmbient != ambient)
@@ -969,6 +987,7 @@ void LLRender::syncLightState()
         LLVector3 diffuse[LL_NUM_LIGHT_UNITS];
         LLVector3 diffuse_b[LL_NUM_LIGHT_UNITS];
         bool      sun_primary[LL_NUM_LIGHT_UNITS];
+        LLVector2 size[LL_NUM_LIGHT_UNITS];
 
         for (U32 i = 0; i < LL_NUM_LIGHT_UNITS; i++)
         {
@@ -980,11 +999,13 @@ void LLRender::syncLightState()
             diffuse[i].set(light->mDiffuse.mV);
             diffuse_b[i].set(light->mDiffuseB.mV);
             sun_primary[i] = light->mSunIsPrimary;
+            size[i].set(light->mSize, light->mFalloff);
         }
 
         shader->uniform4fv(LLShaderMgr::LIGHT_POSITION, LL_NUM_LIGHT_UNITS, position[0].mV);
         shader->uniform3fv(LLShaderMgr::LIGHT_DIRECTION, LL_NUM_LIGHT_UNITS, direction[0].mV);
         shader->uniform4fv(LLShaderMgr::LIGHT_ATTENUATION, LL_NUM_LIGHT_UNITS, attenuation[0].mV);
+        shader->uniform2fv(LLShaderMgr::LIGHT_DEFERRED_ATTENUATION, LL_NUM_LIGHT_UNITS, size[0].mV);
         shader->uniform3fv(LLShaderMgr::LIGHT_DIFFUSE, LL_NUM_LIGHT_UNITS, diffuse[0].mV);
         shader->uniform4fv(LLShaderMgr::LIGHT_AMBIENT, 1, mAmbientLightColor.mV);
         shader->uniform1i(LLShaderMgr::SUN_UP_FACTOR, sun_primary[0] ? 1 : 0);
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 095ed400f4..b1fb60cf92 100644
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -246,6 +246,8 @@ public:
 	void setSpotCutoff(const F32& cutoff);
 	void setSpotDirection(const LLVector3& direction);
     void setSunPrimary(bool v);
+    void setSize(F32 size);
+    void setFalloff(F32 falloff);
 
 protected:
 	friend class LLRender;
@@ -266,6 +268,8 @@ protected:
 
 	F32 mSpotExponent;
 	F32 mSpotCutoff;
+    F32 mSize = 0.f;
+    F32 mFalloff = 0.f;
 };
 
 class LLRender
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 5293166ec3..2ea1c0d698 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -1180,6 +1180,7 @@ void LLShaderMgr::initAttribsAndUniforms()
 	mReservedUniforms.push_back("light_position");
 	mReservedUniforms.push_back("light_direction");
 	mReservedUniforms.push_back("light_attenuation");
+    mReservedUniforms.push_back("light_deferred_attenuation");
 	mReservedUniforms.push_back("light_diffuse");
 	mReservedUniforms.push_back("light_ambient");
 	mReservedUniforms.push_back("light_count");
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index 008e3dafa6..249eeace31 100644
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -55,6 +55,7 @@ public:
         LIGHT_POSITION,                     //  "light_position"
         LIGHT_DIRECTION,                    //  "light_direction"
         LIGHT_ATTENUATION,                  //  "light_attenuation"
+        LIGHT_DEFERRED_ATTENUATION,         //  "light_deferred_attenuation"
         LIGHT_DIFFUSE,                      //  "light_diffuse"
         LIGHT_AMBIENT,                      //  "light_ambient"
         MULTI_LIGHT_COUNT,                  //  "light_count"