From 880d00256883b455dbfb7dbf8a2845d69013f958 Mon Sep 17 00:00:00 2001
From: Kent <642238553@qq.com>
Date: Tue, 3 Sep 2019 15:30:43 +0800
Subject: [PATCH 1/3] seems fixed this

---
 src/osgPlugins/tiff/ReaderWriterTIFF.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/osgPlugins/tiff/ReaderWriterTIFF.cpp b/src/osgPlugins/tiff/ReaderWriterTIFF.cpp
index 4f9abef1b..6262a6e76 100644
--- a/src/osgPlugins/tiff/ReaderWriterTIFF.cpp
+++ b/src/osgPlugins/tiff/ReaderWriterTIFF.cpp
@@ -809,20 +809,19 @@ class ReaderWriterTIFF : public osgDB::ReaderWriter
             int t = height_ret;
             int r = 1;
 
-            int internalFormat = numComponents_ret;
-
             unsigned int pixelFormat =
                 numComponents_ret == 1 ? GL_LUMINANCE :
                 numComponents_ret == 2 ? GL_LUMINANCE_ALPHA :
                 numComponents_ret == 3 ? GL_RGB :
                 numComponents_ret == 4 ? GL_RGBA : (GLenum)-1;
 
-
             unsigned int dataType =
                 bitspersample_ret == 8 ? GL_UNSIGNED_BYTE :
                 bitspersample_ret == 16 ? GL_UNSIGNED_SHORT :
                 bitspersample_ret == 32 ? GL_FLOAT : (GLenum)-1;
 
+            int internalFormat = pixelFormat;
+
             osg::Image* pOsgImage = new osg::Image;
             pOsgImage->setImage(s,t,r,
                 internalFormat,

From df087b9524def613f0540a4733ad4048b49b34fe Mon Sep 17 00:00:00 2001
From: Kent <642238553@qq.com>
Date: Tue, 3 Sep 2019 15:54:58 +0800
Subject: [PATCH 2/3] may be better

---
 src/osgPlugins/tiff/ReaderWriterTIFF.cpp | 36 +++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/src/osgPlugins/tiff/ReaderWriterTIFF.cpp b/src/osgPlugins/tiff/ReaderWriterTIFF.cpp
index 6262a6e76..510fdb981 100644
--- a/src/osgPlugins/tiff/ReaderWriterTIFF.cpp
+++ b/src/osgPlugins/tiff/ReaderWriterTIFF.cpp
@@ -820,7 +820,41 @@ class ReaderWriterTIFF : public osgDB::ReaderWriter
                 bitspersample_ret == 16 ? GL_UNSIGNED_SHORT :
                 bitspersample_ret == 32 ? GL_FLOAT : (GLenum)-1;
 
-            int internalFormat = pixelFormat;
+            int internalFormat = 0;
+            switch (pixelFormat) {
+                case GL_LUMINANCE: {
+                    switch (dataType) {
+                        case GL_UNSIGNED_BYTE: internalFormat = GL_LUMINANCE8UI_EXT; break;
+                        case GL_UNSIGNED_SHORT: internalFormat = GL_LUMINANCE16UI_EXT; break;
+                        case GL_FLOAT : internalFormat = GL_LUMINANCE32F_ARB; break;
+                    }
+                    break;
+                }
+                case GL_LUMINANCE_ALPHA: {
+                    switch (dataType) {
+                        case GL_UNSIGNED_BYTE: internalFormat = GL_LUMINANCE_ALPHA8UI_EXT; break;
+                        case GL_UNSIGNED_SHORT: internalFormat = GL_LUMINANCE_ALPHA16UI_EXT; break;
+                        case GL_FLOAT: internalFormat = GL_LUMINANCE_ALPHA32F_ARB; break;
+                    }
+                    break;
+                }
+                case GL_RGB: {
+                    switch (dataType) {
+                        case GL_UNSIGNED_BYTE: internalFormat = GL_RGB8UI_EXT; break;
+                        case GL_UNSIGNED_SHORT: internalFormat = GL_RGB16UI_EXT; break;
+                        case GL_FLOAT: internalFormat = GL_RGB32F_ARB; break;
+                    }
+                    break;
+                }
+                case GL_RGBA : {
+                    switch (dataType) {
+                        case GL_UNSIGNED_BYTE: internalFormat = GL_RGBA8UI_EXT; break;
+                        case GL_UNSIGNED_SHORT: internalFormat = GL_RGBA16UI_EXT; break;
+                        case GL_FLOAT: internalFormat = GL_RGBA32F_ARB; break;
+                    }
+                    break;
+                }
+            }
 
             osg::Image* pOsgImage = new osg::Image;
             pOsgImage->setImage(s,t,r,

From 7bb44d7e188785f34542833d84378c99146f5b9d Mon Sep 17 00:00:00 2001
From: Kent <642238553@qq.com>
Date: Tue, 3 Sep 2019 16:11:14 +0800
Subject: [PATCH 3/3] emmmmmmm

---
 src/osgPlugins/tiff/ReaderWriterTIFF.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/osgPlugins/tiff/ReaderWriterTIFF.cpp b/src/osgPlugins/tiff/ReaderWriterTIFF.cpp
index 510fdb981..034bdd88e 100644
--- a/src/osgPlugins/tiff/ReaderWriterTIFF.cpp
+++ b/src/osgPlugins/tiff/ReaderWriterTIFF.cpp
@@ -824,8 +824,8 @@ class ReaderWriterTIFF : public osgDB::ReaderWriter
             switch (pixelFormat) {
                 case GL_LUMINANCE: {
                     switch (dataType) {
-                        case GL_UNSIGNED_BYTE: internalFormat = GL_LUMINANCE8UI_EXT; break;
-                        case GL_UNSIGNED_SHORT: internalFormat = GL_LUMINANCE16UI_EXT; break;
+                        case GL_UNSIGNED_BYTE: internalFormat = GL_LUMINANCE8; break;
+                        case GL_UNSIGNED_SHORT: internalFormat = GL_LUMINANCE16; break;
                         case GL_FLOAT : internalFormat = GL_LUMINANCE32F_ARB; break;
                     }
                     break;
@@ -840,16 +840,16 @@ class ReaderWriterTIFF : public osgDB::ReaderWriter
                 }
                 case GL_RGB: {
                     switch (dataType) {
-                        case GL_UNSIGNED_BYTE: internalFormat = GL_RGB8UI_EXT; break;
-                        case GL_UNSIGNED_SHORT: internalFormat = GL_RGB16UI_EXT; break;
+                        case GL_UNSIGNED_BYTE: internalFormat = GL_RGB8; break;
+                        case GL_UNSIGNED_SHORT: internalFormat = GL_RGB16; break;
                         case GL_FLOAT: internalFormat = GL_RGB32F_ARB; break;
                     }
                     break;
                 }
                 case GL_RGBA : {
                     switch (dataType) {
-                        case GL_UNSIGNED_BYTE: internalFormat = GL_RGBA8UI_EXT; break;
-                        case GL_UNSIGNED_SHORT: internalFormat = GL_RGBA16UI_EXT; break;
+                        case GL_UNSIGNED_BYTE: internalFormat = GL_RGBA8; break;
+                        case GL_UNSIGNED_SHORT: internalFormat = GL_RGBA16; break;
                         case GL_FLOAT: internalFormat = GL_RGBA32F_ARB; break;
                     }
                     break;