From 2f3f32084369aa69073804656be982978592991b Mon Sep 17 00:00:00 2001
From: aquiles <none@none>
Date: Thu, 27 May 2010 21:57:44 +0200
Subject: [PATCH] Fixed: #944 Bloom for non NV Cards on OpenGL

---
 code/nel/src/3d/driver/opengl/driver_opengl.cpp       |  5 +++--
 .../src/3d/driver/opengl/driver_opengl_extension.cpp  | 11 +++++++++++
 .../src/3d/driver/opengl/driver_opengl_extension.h    |  2 ++
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.cpp b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
index 5dfb25b5f..1f7679823 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
@@ -1273,7 +1273,7 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
 		_UserLightEnable[i]= false;
 
 	// init _DriverGLStates
-	_DriverGLStates.init(_Extensions.ARBTextureCubeMap, _Extensions.NVTextureRectangle, _MaxDriverLight);
+	_DriverGLStates.init(_Extensions.ARBTextureCubeMap, (_Extensions.NVTextureRectangle || _Extensions.EXTTextureRectangle), _MaxDriverLight);
 
 
 	// Init OpenGL/Driver defaults.
@@ -4158,7 +4158,8 @@ bool CDriverGL::supportOcclusionQuery() const
 bool CDriverGL::supportTextureRectangle() const
 {
 	H_AUTO_OGL(CDriverGL_supportTextureRectangle)
-	return _Extensions.NVTextureRectangle;
+	return (_Extensions.NVTextureRectangle || 
+	        _Extensions.EXTTextureRectangle);
 }
 
 // ***************************************************************************
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 ea1e0d389..fb6e33baa 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_extension.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_extension.cpp
@@ -1143,6 +1143,14 @@ static bool	setupNVTextureRectangle(const char	*glext)
 	return true;
 }
 
+// ***************************************************************************
+static bool	setupEXTTextureRectangle(const char	*glext)
+{
+	H_AUTO_OGL(setupEXTTextureRectangle);
+	CHECK_EXT("GL_EXT_texture_rectangle");
+	return true;
+}
+
 // ***************************************************************************
 static bool	setupFrameBufferObject(const char	*glext)
 {
@@ -1311,6 +1319,9 @@ void	registerGlExtensions(CGlExtensions &ext)
 	// Check GL_NV_texture_rectangle
 	ext.NVTextureRectangle = setupNVTextureRectangle(glext);
 
+	// Check GL_EXT_texture_rectangle
+	ext.EXTTextureRectangle = setupEXTTextureRectangle(glext);
+
 	// 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 49068522c..676f43f41 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_extension.h
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_extension.h
@@ -70,6 +70,7 @@ struct	CGlExtensions
 	bool	NVTextureShader;
 	bool    NVOcclusionQuery;
 	bool	NVTextureRectangle;
+	bool    EXTTextureRectangle;
 	bool	FrameBufferObject;
 	bool	PackedDepthStencil;
 	// true if NVVertexProgram and if we know that VP is emulated
@@ -181,6 +182,7 @@ public:
 		result += ARBTextureCubeMap ? "ARBTextureCubeMap " : "";
 		result += ATIEnvMapBumpMap ? "ATIEnvMapBumpMap " : "";
 		result += NVTextureRectangle ? "NVTextureRectangle " : "";
+		result += EXTTextureRectangle ? "EXTTextureRectangle " : "";
 		result += ARBTextureNonPowerOfTwo ? "ARBTextureNonPowerOfTwo " : "";
 		result += "texture stages(*) = ";
 		result += NLMISC::toString(NbTextureStages);