From e363ebe2e8707c4a4b200c107e831a7f0139e5e8 Mon Sep 17 00:00:00 2001
From: kervala <none@none>
Date: Wed, 22 Dec 2010 14:21:40 +0100
Subject: [PATCH] Changed: #573 Get the maximum anisotropic value

---
 code/nel/src/3d/driver/opengl/driver_opengl_extension.cpp | 6 ++++++
 code/nel/src/3d/driver/opengl/driver_opengl_extension.h   | 6 +++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_extension.cpp b/code/nel/src/3d/driver/opengl/driver_opengl_extension.cpp
index 010b26d1c..027a5234a 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_extension.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_extension.cpp
@@ -1420,6 +1420,12 @@ void	registerGlExtensions(CGlExtensions &ext)
 	// Check GL_EXT_texture_filter_anisotropic
 	ext.EXTTextureFilterAnisotropic = setupEXTTextureFilterAnisotropic(glext);
 
+	if (ext.EXTTextureFilterAnisotropic)
+	{
+		// get the maximum value
+		glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &ext.EXTTextureFilterAnisotropicMaximum);
+	}
+
 	// Check GL_EXT_framebuffer_object
 	ext.FrameBufferObject = setupFrameBufferObject(glext);
 
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_extension.h b/code/nel/src/3d/driver/opengl/driver_opengl_extension.h
index f96747ab9..465f6febd 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_extension.h
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_extension.h
@@ -84,6 +84,8 @@ struct	CGlExtensions
 	bool	FrameBufferMultisample;
 	bool	PackedDepthStencil;
 	bool	EXTTextureFilterAnisotropic;
+	float	EXTTextureFilterAnisotropicMaximum;
+
 	// true if NVVertexProgram and if we know that VP is emulated
 	bool	NVVertexProgramEmulated;
 	bool	EXTSecondaryColor;
@@ -170,6 +172,7 @@ public:
 		NVTextureRectangle = false;
 		EXTTextureRectangle = false;
 		EXTTextureFilterAnisotropic = false;
+		EXTTextureFilterAnisotropicMaximum = 1.f;
 		ARBTextureRectangle = false;
 		ARBTextureNonPowerOfTwo = false;
 		ARBMultisample = false;
@@ -206,7 +209,7 @@ public:
 		result += NVTextureRectangle ? "NVTextureRectangle " : "";
 		result += EXTTextureRectangle ? "EXTTextureRectangle " : "";
 		result += ARBTextureRectangle ? "ARBTextureRectangle " : "";
-		result += EXTTextureFilterAnisotropic ? "EXTTextureFilterAnisotropic " : "";
+		result += EXTTextureFilterAnisotropic ? "EXTTextureFilterAnisotropic (Maximum = " + NLMISC::toString(EXTTextureFilterAnisotropicMaximum) + ") " : "";
 		result += ARBTextureNonPowerOfTwo ? "ARBTextureNonPowerOfTwo " : "";
 		result += "texture stages(*) = ";
 		result += NLMISC::toString(NbTextureStages);
@@ -236,6 +239,7 @@ public:
 		result += WGLEXTSwapControl ? "WGLEXTSwapControl " : "";
 #elif defined(NL_OS_MAC)
 #elif defined(NL_OS_UNIX)
+		result += "\n  GLX: ";
 		result += GLXEXTSwapControl ? "GLXEXTSwapControl " : "";
 		result += GLXSGISwapControl ? "GLXSGISwapControl " : "";
 		result += GLXMESASwapControl ? "GLXMESASwapControl " : "";