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add static function isVBOSupported to OpenGLBuffer to check for the GL_ARB_vertex_buffer_object extension

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This commit is contained in:
wmayer
2018-08-21 10:29:55 +02:00
parent 6478e7bdbf
commit 7a5a17c744
3 changed files with 28 additions and 3 deletions
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9
src/Mod/Mesh/Gui/SoFCIndexedFaceSet.cpp
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@@ -106,8 +106,11 @@ bool MeshRenderer::Private::canRenderGLArray(SoGLRenderAction *action) const
static bool init = false;
static bool vboAvailable = false;
if (!init) {
std::string ext = (const char*)(glGetString(GL_EXTENSIONS));
vboAvailable = (ext.find("GL_ARB_vertex_buffer_object") != std::string::npos);
vboAvailable = Gui::OpenGLBuffer::isVBOSupported();
if (!vboAvailable) {
SoDebugError::postInfo("MeshRenderer",
"GL_ARB_vertex_buffer_object extension not supported");
}
init = true;
}
@@ -483,7 +486,7 @@ void SoFCIndexedFaceSet::GLRender(SoGLRenderAction *action)
// get the VBO status of the viewer
SbBool useVBO = true;
//Gui::SoGLVBOActivatedElement::get(state, useVBO);
Gui::SoGLVBOActivatedElement::get(state, useVBO);
// Check for a matching OpenGL context
if (!render.canRenderGLArray(action))