SL-12069 Issues with bakes-on-mesh and alpha modes

2 files changed, 50 insertions, 1 deletions

diff --git a/indra/llprimitive/llmaterial.cpp b/indra/llprimitive/llmaterial.cpp
index a219ac1450..a1bfc4edd9 100644
--- a/indra/llprimitive/llmaterial.cpp
+++ b/indra/llprimitive/llmaterial.cpp
@@ -28,6 +28,8 @@
 
 #include "llmaterial.h"
 
+#include "../llrender/llglheaders.h"
+
 /**
  * Materials cap parameters
  */
@@ -105,6 +107,8 @@ LLMaterial::LLMaterial()
     , mSpecularLightExponent(LLMaterial::DEFAULT_SPECULAR_LIGHT_EXPONENT)
     , mEnvironmentIntensity(LLMaterial::DEFAULT_ENV_INTENSITY)
     , mDiffuseAlphaMode(LLMaterial::DIFFUSE_ALPHA_MODE_BLEND)
+    , mDiffuseFormatPrimary(GL_RGBA)
+    , mDiffuseBaked(false)
     , mAlphaMaskCutoff(0)
 {
 }
@@ -311,6 +315,20 @@ void LLMaterial::setEnvironmentIntensity(U8 intensity)
     mEnvironmentIntensity = intensity;
 }
 
+U8 LLMaterial::getDiffuseAlphaModeRender() const
+{
+    if (mDiffuseBaked
+        || mDiffuseFormatPrimary == GL_RGBA
+        || mDiffuseFormatPrimary == GL_ALPHA)
+    {
+        return mDiffuseAlphaMode;
+    }
+    else
+    {
+        return DIFFUSE_ALPHA_MODE_NONE;
+    }
+}
+
 U8 LLMaterial::getDiffuseAlphaMode() const
 {
     return mDiffuseAlphaMode;
@@ -321,6 +339,26 @@ void LLMaterial::setDiffuseAlphaMode(U8 alpha_mode)
     mDiffuseAlphaMode = alpha_mode;
 }
 
+U32 LLMaterial::getDiffuseFormatPrimary() const
+{
+    return mDiffuseFormatPrimary;
+}
+
+void LLMaterial::setDiffuseFormatPrimary(U32 format_primary)
+{
+    mDiffuseFormatPrimary = format_primary;
+}
+
+bool LLMaterial::getIsDiffuseBaked() const
+{
+    return mDiffuseBaked;
+}
+
+void LLMaterial::setDiffuseBaked(bool baked)
+{
+    mDiffuseBaked = baked;
+}
+
 U8 LLMaterial::getAlphaMaskCutoff() const
 {
     return mAlphaMaskCutoff;
@@ -437,7 +475,7 @@ U32 LLMaterial::getShaderMask(U32 alpha_mode)
     }
     else
     {
-        ret = getDiffuseAlphaMode();
+        ret = getDiffuseAlphaModeRender();
     }
 
     llassert(ret < SHADER_COUNT);
diff --git a/indra/llprimitive/llmaterial.h b/indra/llprimitive/llmaterial.h
index d58b7ee812..1207917568 100644
--- a/indra/llprimitive/llmaterial.h
+++ b/indra/llprimitive/llmaterial.h
@@ -115,8 +115,17 @@ public:
     void        setSpecularLightExponent(U8 exponent);
     U8          getEnvironmentIntensity() const;
     void        setEnvironmentIntensity(U8 intensity);
+
+    // getDiffuseAlphaModeRender takes into account if image supports alpha
+    // and returns value apropriate for render
+    // getDiffuseAlphaMode() returns value as is
+    U8          getDiffuseAlphaModeRender() const;
     U8          getDiffuseAlphaMode() const;
     void        setDiffuseAlphaMode(U8 alpha_mode);
+    U32         getDiffuseFormatPrimary() const;
+    void        setDiffuseFormatPrimary(U32 format_primary);
+    bool        getIsDiffuseBaked() const;
+    void        setDiffuseBaked(bool baked);
     U8          getAlphaMaskCutoff() const;
     void        setAlphaMaskCutoff(U8 cutoff);
 
@@ -147,6 +156,8 @@ protected:
     U8          mSpecularLightExponent;
     U8          mEnvironmentIntensity;
     U8          mDiffuseAlphaMode;
+    U32         mDiffuseFormatPrimary; // value from texture, LLGLenum, is not included in fromLLSD/asLLSD
+    bool        mDiffuseBaked; // is not included in fromLLSD/asLLSD
     U8          mAlphaMaskCutoff;
 };