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Changed ReadBuffer to be always the front buffer. Hence, screenshots under OpenGL will now also reflect the currently visible image, whatever render calls have been made in between.

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git-svn-id: http://svn.code.sf.net/p/irrlicht/code/trunk@1380 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
hybrid 2008-06-13 15:59:50 +00:00
parent 3863193027
commit 2d4823a6d4
1 changed files with 14 additions and 5 deletions
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19
source/Irrlicht/COpenGLDriver.cpp
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@ -299,25 +299,37 @@ bool COpenGLDriver::genericDriverInit(const core::dimension2d<s32>& screenSize,
else
os::Printer::log("GLSL not available.", ELL_INFORMATION);
glViewport(0, 0, screenSize.Width, screenSize.Height); // Reset The Current Viewport
setAmbientLight(SColorf(0.0f,0.0f,0.0f,0.0f));
// We want to read the front buffer to get the latest render finished.
glReadBuffer(GL_FRONT);
// Reset The Current Viewport
glViewport(0, 0, screenSize.Width, screenSize.Height);
// This needs an SMaterial flag to enable/disable later on, but should become default sometimes
// glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
// glEnable(GL_COLOR_MATERIAL);
setAmbientLight(SColorf(0.0f,0.0f,0.0f,0.0f));
#ifdef GL_EXT_separate_specular_color
if (FeatureAvailable[IRR_EXT_separate_specular_color])
glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
#endif
glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1);
// This is a fast replacement for NORMALIZE_NORMALS
// if ((Version>101) || FeatureAvailable[IRR_EXT_rescale_normal])
// glEnable(GL_RESCALE_NORMAL_EXT);
glClearDepth(1.0);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glDepthFunc(GL_LEQUAL);
glFrontFace( GL_CW );
if (AntiAlias)
{
if (MultiSamplingExtension)
glEnable(GL_MULTISAMPLE_ARB);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glEnable(GL_LINE_SMOOTH);
}
@ -325,9 +337,6 @@ bool COpenGLDriver::genericDriverInit(const core::dimension2d<s32>& screenSize,
// glHint(GL_POINT_SMOOTH_HINT, GL_FASTEST);
// glEnable(GL_POINT_SMOOTH);
if (AntiAlias && MultiSamplingExtension)
glEnable(GL_MULTISAMPLE_ARB);
UserClipPlane.reallocate(MaxUserClipPlanes);
UserClipPlaneEnabled.reallocate(MaxUserClipPlanes);
for (i=0; i<MaxUserClipPlanes; ++i)