diff --git a/indra/newview/app_settings/shaders/class1/objects/previewPhysicsF.glsl b/indra/newview/app_settings/shaders/class1/objects/previewPhysicsF.glsl
new file mode 100644
index 0000000000000000000000000000000000000000..3a5e6fdf7c440e14e541af9553c1824b502ec1b6
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/previewPhysicsF.glsl
@@ -0,0 +1,42 @@
+/**
+ * @file previewPhysicsF.glsl
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+
+uniform sampler2D diffuseMap;
+uniform vec4 color;
+
+VARYING vec2 vary_texcoord0;
+
+//====================================================================================================
+
+void main()
+{
+ frag_color = texture2D(diffuseMap,vary_texcoord0.xy) * color;
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/previewPhysicsV.glsl b/indra/newview/app_settings/shaders/class1/objects/previewPhysicsV.glsl
new file mode 100644
index 0000000000000000000000000000000000000000..913dec83bd711f9419cb77369df3865a69a308bd
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/previewPhysicsV.glsl
@@ -0,0 +1,42 @@
+/**
+ * @file previewPhysicsV.glsl
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec2 texcoord0;
+
+VARYING vec2 vary_texcoord0;
+
+//====================================================================================================
+
+void main()
+{
+ //transform vertex
+ gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+ vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+}
diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp
index b60fabb01b7bf56a8d98c0ff8a106746266231c9..c7f56de4eddcbf59943a183863ecf1ec4a78d982 100644
--- a/indra/newview/llmodelpreview.cpp
+++ b/indra/newview/llmodelpreview.cpp
@@ -3285,6 +3285,14 @@ BOOL LLModelPreview::render()
if (!physics.mMesh.empty())
{ //render hull instead of mesh
+ // SL-16993 physics.mMesh[i].mNormals were being used to light the exploded
+ // analyzed physics shape but the drawArrays() interface changed
+ // causing normal data <0,0,0> to be passed to the shader.
+ // The Phyics Preview shader uses plain vertex coloring so the physics hull is full lit.
+ // We could also use interface/ui shaders.
+ gObjectPreviewProgram.unbind();
+ gPhysicsPreviewProgram.bind();
+
for (U32 i = 0; i < physics.mMesh.size(); ++i)
{
if (explode > 0.f)
@@ -3312,6 +3320,9 @@ BOOL LLModelPreview::render()
gGL.popMatrix();
}
}
+
+ gPhysicsPreviewProgram.unbind();
+ gObjectPreviewProgram.bind();
}
}
}
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index c97b1d914b9f1b0a9feb2a1f50202678dd4d61b3..a8e0f576ca382c6a4f6c35e3c077e438705165e7 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -102,6 +102,7 @@ LLGLSLShader gSkinnedObjectSimpleProgram;
LLGLSLShader gObjectSimpleImpostorProgram;
LLGLSLShader gSkinnedObjectSimpleImpostorProgram;
LLGLSLShader gObjectPreviewProgram;
+LLGLSLShader gPhysicsPreviewProgram;
LLGLSLShader gObjectSimpleWaterProgram;
LLGLSLShader gSkinnedObjectSimpleWaterProgram;
LLGLSLShader gObjectSimpleAlphaMaskProgram;
@@ -758,6 +759,7 @@ void LLViewerShaderMgr::unloadShaders()
gObjectSimpleImpostorProgram.unload();
gSkinnedObjectSimpleImpostorProgram.unload();
gObjectPreviewProgram.unload();
+ gPhysicsPreviewProgram.unload();
gImpostorProgram.unload();
gObjectSimpleAlphaMaskProgram.unload();
gSkinnedObjectSimpleAlphaMaskProgram.unload();
@@ -3021,6 +3023,24 @@ BOOL LLViewerShaderMgr::loadShadersObject()
gObjectPreviewProgram.mFeatures.hasLighting = true;
}
+ if (success)
+ {
+ gPhysicsPreviewProgram.mName = "Preview Physics Shader";
+ gPhysicsPreviewProgram.mFeatures.calculatesLighting = false;
+ gPhysicsPreviewProgram.mFeatures.calculatesAtmospherics = false;
+ gPhysicsPreviewProgram.mFeatures.hasGamma = false;
+ gPhysicsPreviewProgram.mFeatures.hasAtmospherics = false;
+ gPhysicsPreviewProgram.mFeatures.hasLighting = false;
+ gPhysicsPreviewProgram.mFeatures.mIndexedTextureChannels = 0;
+ gPhysicsPreviewProgram.mFeatures.disableTextureIndex = true;
+ gPhysicsPreviewProgram.mShaderFiles.clear();
+ gPhysicsPreviewProgram.mShaderFiles.push_back(make_pair("objects/previewPhysicsV.glsl", GL_VERTEX_SHADER_ARB));
+ gPhysicsPreviewProgram.mShaderFiles.push_back(make_pair("objects/previewPhysicsF.glsl", GL_FRAGMENT_SHADER_ARB));
+ gPhysicsPreviewProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
+ success = gPhysicsPreviewProgram.createShader(NULL, NULL);
+ gPhysicsPreviewProgram.mFeatures.hasLighting = false;
+ }
+
if (success)
{
gObjectSimpleProgram.mName = "Simple Shader";
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index 297cfb6e68bae2b3aecc80a6e1cd64a2fbd3dc89..93bb29a355b1609a16d7fdcd71ad5732f3364e10 100644
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -181,6 +181,7 @@ extern LLGLSLShader gOneTextureNoColorProgram;
extern LLGLSLShader gObjectSimpleProgram;
extern LLGLSLShader gObjectSimpleImpostorProgram;
extern LLGLSLShader gObjectPreviewProgram;
+extern LLGLSLShader gPhysicsPreviewProgram;
extern LLGLSLShader gObjectSimpleAlphaMaskProgram;
extern LLGLSLShader gObjectSimpleWaterProgram;
extern LLGLSLShader gObjectSimpleWaterAlphaMaskProgram;