1 files changed, 19 insertions, 0 deletions
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index a8fe221d98..8e7af28d41 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -100,6 +100,7 @@ LLGLSLShader    gReflectionProbeDisplayProgram;
 LLGLSLShader    gCopyProgram;
 LLGLSLShader    gCopyDepthProgram;
 LLGLSLShader    gPBRTerrainBakeProgram;
+LLGLSLShader    gTerrainStampProgram;
 
 //object shaders
 LLGLSLShader        gObjectPreviewProgram;
@@ -3172,6 +3173,24 @@ bool LLViewerShaderMgr::loadShadersInterface()
 
     if (success)
     {
+        LLGLSLShader* shader = &gTerrainStampProgram;
+        U32 bit_depth = gSavedSettings.getU32("TerrainPaintBitDepth");
+        // LLTerrainPaintMap currently uses an RGB8 texture internally
+        bit_depth = llclamp(bit_depth, 1, 8);
+        shader->mName = llformat("Terrain Stamp Shader RGB%o", bit_depth);
+
+        shader->mShaderFiles.clear();
+        shader->mShaderFiles.push_back(make_pair("interface/terrainStampV.glsl", GL_VERTEX_SHADER));
+        shader->mShaderFiles.push_back(make_pair("interface/terrainStampF.glsl", GL_FRAGMENT_SHADER));
+        shader->mShaderLevel = mShaderLevel[SHADER_INTERFACE];
+        const U32 value_range = (1 << bit_depth) - 1;
+        shader->addPermutation("TERRAIN_PAINT_PRECISION", llformat("%d", value_range));
+        success = success && shader->createShader();
+        llassert(success);
+    }
+
+    if (success)
+    {
         gAlphaMaskProgram.mName = "Alpha Mask Shader";
         gAlphaMaskProgram.mShaderFiles.clear();
         gAlphaMaskProgram.mShaderFiles.push_back(make_pair("interface/alphamaskV.glsl", GL_VERTEX_SHADER));