From 2274758726d1138a2b65535244e84225c3de5304 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 11 Aug 2012 17:49:09 +0300
Subject: Move fbo code to GraphicsManager from opengl backends.

---
 src/safeopenglgraphics.cpp | 64 +++++-----------------------------------------
 1 file changed, 6 insertions(+), 58 deletions(-)

(limited to 'src/safeopenglgraphics.cpp')

diff --git a/src/safeopenglgraphics.cpp b/src/safeopenglgraphics.cpp
index 055a996d1..adc49795c 100644
--- a/src/safeopenglgraphics.cpp
+++ b/src/safeopenglgraphics.cpp
@@ -26,6 +26,7 @@
 #include "safeopenglgraphics.h"
 
 #include "configuration.h"
+#include "graphicsmanager.h"
 #include "graphicsvertexes.h"
 #include "logger.h"
 
@@ -44,8 +45,9 @@
 GLuint SafeOpenGLGraphics::mLastImage = 0;
 
 SafeOpenGLGraphics::SafeOpenGLGraphics():
-    mAlpha(false), mTexture(false), mColorAlpha(false),
-    mFboId(0), mTextureId(0), mRboId(0)
+    mAlpha(false),
+    mTexture(false),
+    mColorAlpha(false)
 {
     mOpenGL = 2;
     mName = "safe OpenGL";
@@ -425,43 +427,7 @@ void SafeOpenGLGraphics::prepareScreenshot()
 {
 #if !defined(_WIN32)
     if (config.getBoolValue("usefbo"))
-    {
-        int h = mTarget->h;
-        int w = mTarget->w;
-
-        // create a texture object
-        glGenTextures(1, &mTextureId);
-        glBindTexture(GL_TEXTURE_2D, mTextureId);
-        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, w, h, 0,
-            GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
-        glBindTexture(GL_TEXTURE_2D, 0);
-
-        // create a renderbuffer object to store depth info
-        glGenRenderbuffersEXT(1, &mRboId);
-        glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, mRboId);
-        glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT,
-            GL_DEPTH_COMPONENT, w, h);
-        glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
-
-        // create a framebuffer object
-        glGenFramebuffersEXT(1, &mFboId);
-        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFboId);
-
-        // attach the texture to FBO color attachment point
-        glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
-            GL_TEXTURE_2D, mTextureId, 0);
-
-        // attach the renderbuffer to depth attachment point
-        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
-            GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mRboId);
-
-        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFboId);
-        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-    }
+        graphicsManager.createFBO(mTarget->w, mTarget->h, &mFbo);
 #endif
 }
 
@@ -507,25 +473,7 @@ SDL_Surface* SafeOpenGLGraphics::getScreenshot()
 
 #if !defined(_WIN32)
     if (config.getBoolValue("usefbo"))
-    {
-        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
-        if (mFboId)
-        {
-            glDeleteFramebuffersEXT(1, &mFboId);
-            mFboId = 0;
-        }
-        glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
-        if (mRboId)
-        {
-            glDeleteRenderbuffersEXT(1, &mRboId);
-            mRboId = 0;
-        }
-        if (mTextureId)
-        {
-            glDeleteTextures(1, &mTextureId);
-            mTextureId = 0;
-        }
-    }
+        graphicsManager.deleteFBO(&mFbo);
 #endif
 
     glPixelStorei(GL_PACK_ALIGNMENT, pack);
-- 
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