Fix for bug #18228: OpenGL specular did not get the correct view

vector in perspective mode. This is default OpenGL behavior, but
by now this optimization is really insignificant. Works in both
the 3d view and game engine.

1 files changed, 10 insertions, 1 deletions

diff --git a/source/gameengine/Rasterizer/RAS_OpenGLRasterizer/RAS_OpenGLRasterizer.cpp b/source/gameengine/Rasterizer/RAS_OpenGLRasterizer/RAS_OpenGLRasterizer.cpp
index 3cad5fe74f2..08c600e7682 100644
--- a/source/gameengine/Rasterizer/RAS_OpenGLRasterizer/RAS_OpenGLRasterizer.cpp
+++ b/source/gameengine/Rasterizer/RAS_OpenGLRasterizer/RAS_OpenGLRasterizer.cpp
@@ -59,6 +59,8 @@ RAS_OpenGLRasterizer::RAS_OpenGLRasterizer(RAS_ICanvas* canvas)
 	m_2DCanvas(canvas),
 	m_fogenabled(false),
 	m_time(0.0),
+	m_campos(0.0f, 0.0f, 0.0f),
+	m_camortho(false),
 	m_stereomode(RAS_STEREO_NOSTEREO),
 	m_curreye(RAS_STEREO_LEFTEYE),
 	m_eyeseparation(0.0),
@@ -756,8 +758,9 @@ void RAS_OpenGLRasterizer::SetProjectionMatrix(MT_CmMatrix4x4 &mat)
 	glMatrixMode(GL_PROJECTION);
 	double* matrix = &mat(0,0);
 	glLoadMatrixd(matrix);
-}
 
+	m_camortho= (mat(3, 3) != 0.0f);
+}
 
 void RAS_OpenGLRasterizer::SetProjectionMatrix(const MT_Matrix4x4 & mat)
 {
@@ -767,6 +770,8 @@ void RAS_OpenGLRasterizer::SetProjectionMatrix(const MT_Matrix4x4 & mat)
 	mat.getValue(matrix);
 	/* Internally, MT_Matrix4x4 uses doubles (MT_Scalar). */
 	glLoadMatrixd(matrix);	
+
+	m_camortho= (mat[3][3] != 0.0f);
 }
 
 MT_Matrix4x4 RAS_OpenGLRasterizer::GetFrustumMatrix(
@@ -883,6 +888,10 @@ const MT_Point3& RAS_OpenGLRasterizer::GetCameraPosition()
 	return m_campos;
 }
 
+bool RAS_OpenGLRasterizer::GetCameraOrtho()
+{
+	return m_camortho;
+}
 
 void RAS_OpenGLRasterizer::SetCullFace(bool enable)
 {