From 613e1d74c47cf3a756af9aff75575c7567699381 Mon Sep 17 00:00:00 2001
From: Mohamed Waheed <mohamedwaheedmohamed@gmail.com>
Date: Tue, 24 Jun 2014 01:35:05 +0300
Subject: implemented savefile screenshot feature

---
 src/graphics/opengl/gldevice.cpp | 17 +++++++++++++++++
 src/graphics/opengl/gldevice.h   |  2 ++
 2 files changed, 19 insertions(+)

(limited to 'src/graphics/opengl')

diff --git a/src/graphics/opengl/gldevice.cpp b/src/graphics/opengl/gldevice.cpp
index 9f64fab..57738a6 100644
--- a/src/graphics/opengl/gldevice.cpp
+++ b/src/graphics/opengl/gldevice.cpp
@@ -1791,6 +1791,23 @@ FillMode CGLDevice::GetFillMode()
     return FILL_POINT;
 }
 
+void* CGLDevice::GetFrameBufferPixels()const{
+
+    SDL_Surface* surface = SDL_GetVideoSurface();
+
+    assert(surface != nullptr);
+
+    GLubyte* pixels = new GLubyte [4 * surface->h * surface->w];
+    
+    glReadPixels(0,0,surface->w,surface->h,GL_RGBA,GL_UNSIGNED_BYTE,pixels);
+
+    unsigned int* p = static_cast<unsigned int*> ( static_cast<void*>(pixels) );
+
+    for (int i = 0; i < surface->h * surface->w; ++i)
+        p[i] |= 0xFF000000;
+
+    return static_cast<void*>(p);
+}
 
 } // namespace Gfx
 
diff --git a/src/graphics/opengl/gldevice.h b/src/graphics/opengl/gldevice.h
index c648161..267ee73 100644
--- a/src/graphics/opengl/gldevice.h
+++ b/src/graphics/opengl/gldevice.h
@@ -188,6 +188,8 @@ public:
     virtual void SetFillMode(FillMode mode) ;
     virtual FillMode GetFillMode();
 
+    virtual void* GetFrameBufferPixels()const;
+
 private:
     //! Updates internal modelview matrix
     void UpdateModelviewMatrix();
-- 
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