FGFS-4.1/OpenSceneGraph
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Introduced OSG_GL*_FEATURES macros defined in include/GL that are set to 0 or 1 according to what the assocoated version of GL is compiled against.

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Removed EXT postfix of FrameBufferObject functions, and added support for checking non EXT versions frame buffer object GL functions.

Introduced usage of OSG_GL*_FEATURES to avoid some #if #else #endif code blocks.

Using a submissions from Paul Martz as a guide added perliminary GL3 support to a range of OSG classes
This commit is contained in:
Robert Osfield
2009-11-10 17:01:08 +00:00
parent d3ab362eae
commit b199a334d9
11 changed files with 174 additions and 152 deletions
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8
src/osg/TextureRectangle.cpp
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@@ -147,9 +147,11 @@ void TextureRectangle::setImage(Image* image)
void TextureRectangle::apply(State& state) const
{
static bool s_rectangleSupported = isGLExtensionSupported(state.getContextID(),"GL_ARB_texture_rectangle")
|| isGLExtensionSupported(state.getContextID(),"GL_EXT_texture_rectangle")
|| isGLExtensionSupported(state.getContextID(),"GL_NV_texture_rectangle");
static bool s_rectangleSupported =
OSG_GL3_FEATURES ||
isGLExtensionSupported(state.getContextID(),"GL_ARB_texture_rectangle") ||
isGLExtensionSupported(state.getContextID(),"GL_EXT_texture_rectangle") ||
isGLExtensionSupported(state.getContextID(),"GL_NV_texture_rectangle");
if (!s_rectangleSupported)
{