Drop reflection probes and mirrors to RGBA8 when hdr is disabled to minimize vram usage and chance of probe nans (#2558)

2 files changed, 6 insertions, 2 deletions

diff --git a/indra/llrender/llcubemaparray.cpp b/indra/llrender/llcubemaparray.cpp
index 4f5e13765a..635f079581 100644
--- a/indra/llrender/llcubemaparray.cpp
+++ b/indra/llrender/llcubemaparray.cpp
@@ -109,7 +109,7 @@ LLCubeMapArray::~LLCubeMapArray()
 {
 }
 
-void LLCubeMapArray::allocate(U32 resolution, U32 components, U32 count, bool use_mips)
+void LLCubeMapArray::allocate(U32 resolution, U32 components, U32 count, bool use_mips, bool hdr)
 {
     U32 texname = 0;
     mWidth = resolution;
@@ -128,6 +128,10 @@ void LLCubeMapArray::allocate(U32 resolution, U32 components, U32 count, bool us
     free_cur_tex_image();
 
     U32 format = components == 4 ? GL_RGBA16F : GL_RGB16F;
+    if (!hdr)
+    {
+        format = components == 4 ? GL_RGBA8 : GL_RGB8;
+    }
     U32 mip = 0;
     U32 mip_resolution = resolution;
     while (mip_resolution >= 1)
diff --git a/indra/llrender/llcubemaparray.h b/indra/llrender/llcubemaparray.h
index 675aaaf07c..bfc72a321d 100644
--- a/indra/llrender/llcubemaparray.h
+++ b/indra/llrender/llcubemaparray.h
@@ -52,7 +52,7 @@ public:
     // components - number of components per pixel
     // count - number of cube maps in the array
     // use_mips - if true, mipmaps will be allocated for this cube map array and anisotropic filtering will be used
-    void allocate(U32 res, U32 components, U32 count, bool use_mips = true);
+    void allocate(U32 res, U32 components, U32 count, bool use_mips = true, bool hdr = true);
     void bind(S32 stage);
     void unbind();