From 201fd8962f269dbe1aeacd7185720ec86e2ac5b7 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 25 Jun 2014 18:35:05 +0300
Subject: Add shaders version logging and checking.

---
 src/graphicsmanager.cpp | 11 +++++++++++
 src/graphicsmanager.h   |  9 ++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/graphicsmanager.cpp b/src/graphicsmanager.cpp
index 7a7a25709..f60bf1aa4 100644
--- a/src/graphicsmanager.cpp
+++ b/src/graphicsmanager.cpp
@@ -107,8 +107,11 @@ GraphicsManager::GraphicsManager() :
     mGlVersionString(),
     mGlVendor(),
     mGlRenderer(),
+    mGlShaderVersionString(),
     mMinor(0),
     mMajor(0),
+    mSLMinor(0),
+    mSLMajor(0),
     mPlatformMinor(0),
     mPlatformMajor(0),
     mMaxVertices(500),
@@ -729,6 +732,8 @@ void GraphicsManager::setGLVersion()
     sscanf(mGlVersionString.c_str(), "%5d.%5d", &mMajor, &mMinor);
     mGlVendor = getGLString(GL_VENDOR);
     mGlRenderer = getGLString(GL_RENDERER);
+    mGlShaderVersionString = getGLString(GL_SHADING_LANGUAGE_VERSION);
+    sscanf(mGlShaderVersionString.c_str(), "%5d.%5d", &mSLMajor, &mSLMinor);
 }
 
 void GraphicsManager::logVersion() const
@@ -736,6 +741,7 @@ void GraphicsManager::logVersion() const
     logger->log("gl vendor: " + mGlVendor);
     logger->log("gl renderer: " + mGlRenderer);
     logger->log("gl version: " + mGlVersionString);
+    logger->log("glsl version: " + mGlShaderVersionString);
 }
 
 bool GraphicsManager::checkGLVersion(const int major, const int minor) const
@@ -743,6 +749,11 @@ bool GraphicsManager::checkGLVersion(const int major, const int minor) const
     return mMajor > major || (mMajor == major && mMinor >= minor);
 }
 
+bool GraphicsManager::checkSLVersion(const int major, const int minor) const
+{
+    return mSLMajor > major || (mSLMajor == major && mSLMinor >= minor);
+}
+
 bool GraphicsManager::checkPlatformVersion(const int major,
                                            const int minor) const
 {
diff --git a/src/graphicsmanager.h b/src/graphicsmanager.h
index c50645942..455632d07 100644
--- a/src/graphicsmanager.h
+++ b/src/graphicsmanager.h
@@ -113,6 +113,9 @@ class GraphicsManager final
         bool checkGLVersion(const int major, const int minor)
                             const A_WARN_UNUSED;
 
+        bool checkSLVersion(const int major, const int minor)
+                            const A_WARN_UNUSED;
+
         bool checkPlatformVersion(const int major, const int minor)
                                   const A_WARN_UNUSED;
 
@@ -181,14 +184,18 @@ class GraphicsManager final
 
         std::string mGlRenderer;
 
+        std::string mGlShaderVersionString;
 #ifdef USE_OPENGL
         static GLenum mLastError;
 #endif
-
         int mMinor;
 
         int mMajor;
 
+        int mSLMinor;
+
+        int mSLMajor;
+
         int mPlatformMinor;
 
         int mPlatformMajor;
-- 
cgit v1.2.3-60-g2f50