From 4f73caba4497344c50ea245673493941d277699f Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 7 Apr 2012 20:04:31 +0300
Subject: Add option to enable/disable texture blurring. (GL_LINEAR/GL_LINEAR)

---
 src/defaults.cpp         |  1 +
 src/gui/setup_visual.cpp |  3 +++
 src/resources/image.cpp  | 13 +++++++++++--
 src/resources/image.h    |  4 ++++
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/defaults.cpp b/src/defaults.cpp
index 0b9e68092..f29d304da 100644
--- a/src/defaults.cpp
+++ b/src/defaults.cpp
@@ -243,6 +243,7 @@ DefaultsData* getConfigDefaults()
     AddDEF(configData, "autohideChat", false);
     AddDEF(configData, "downloadProxy", "");
     AddDEF(configData, "downloadProxyType", 0);
+    AddDEF(configData, "blur", true);
     return configData;
 }
 
diff --git a/src/gui/setup_visual.cpp b/src/gui/setup_visual.cpp
index 5a7ddc5ec..368ceeee8 100644
--- a/src/gui/setup_visual.cpp
+++ b/src/gui/setup_visual.cpp
@@ -53,6 +53,9 @@ Setup_Visual::Setup_Visual()
     new SetupItemCheckBox(_("Grab mouse and keyboard input"),
         "", "grabinput", this, "grabinputEvent");
 
+    new SetupItemCheckBox(_("Blurring textures (OpenGL)"),
+        "", "blur", this, "blurEvent");
+
     new SetupItemSlider(_("Gui opacity"), "", "guialpha",
         this, "guialphaEvent", 0.1, 1.0, 150, true);
 
diff --git a/src/resources/image.cpp b/src/resources/image.cpp
index c63fcab99..54a969d57 100644
--- a/src/resources/image.cpp
+++ b/src/resources/image.cpp
@@ -45,6 +45,7 @@
 int Image::mUseOpenGL = 0;
 int Image::mTextureType = 0;
 int Image::mTextureSize = 0;
+bool Image::mBlur = true;
 #endif
 bool Image::mEnableAlphaCache = false;
 bool Image::mEnableAlpha = true;
@@ -766,8 +767,16 @@ Image *Image::_GLload(SDL_Surface *tmpImage)
         SDL_LockSurface(tmpImage);
 
     glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-    glTexParameteri(mTextureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    glTexParameteri(mTextureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    if (mBlur)
+    {
+        glTexParameteri(mTextureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+        glTexParameteri(mTextureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    }
+    else
+    {
+        glTexParameteri(mTextureType, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+        glTexParameteri(mTextureType, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    }
 
     glTexImage2D(mTextureType, 0, 4, tmpImage->w, tmpImage->h,
         0, GL_RGBA, GL_UNSIGNED_BYTE, tmpImage->pixels);
diff --git a/src/resources/image.h b/src/resources/image.h
index 89fe24d89..17eb3ec93 100644
--- a/src/resources/image.h
+++ b/src/resources/image.h
@@ -215,6 +215,9 @@ class Image : public Resource
         static int getTextureType()
         { return mTextureType; }
 
+        static void setBlur(bool n)
+        { mBlur = n; }
+
         static int mTextureType;
 #endif
 
@@ -294,6 +297,7 @@ class Image : public Resource
 
         static int mUseOpenGL;
         static int mTextureSize;
+        static bool mBlur;
 #endif
 };
 
-- 
cgit v1.2.3-70-g09d2