62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
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#include <mitsuba/hw/wglrenderer.h>
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MTS_NAMESPACE_BEGIN
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WGLRenderer::WGLRenderer(WGLSession *session)
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: GLRenderer(session) {
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}
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WGLRenderer::~WGLRenderer() {
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if (m_initialized)
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shutdown();
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}
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void WGLRenderer::init(Device *device, Renderer *other) {
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WGLDevice *wglDevice = static_cast<WGLDevice *>(device);
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if (m_session == NULL) {
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Log(EDebug, "Using an existing WGL context");
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m_context = wglGetCurrentContext();
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if (m_context == NULL)
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Log(EError, "Unable to retrieve the current WGL context!");
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m_borrowed = true;
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} else {
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/* Create a GL context */
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Log(EDebug, "Initializing WGL renderer");
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m_context = wglCreateContext(wglDevice->getDeviceContext());
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if (other != NULL) {
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Assert(other->getClass() == m_theClass);
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if (wglShareLists(m_context,
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static_cast<WGLRenderer *>(other)->m_context) != TRUE)
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Log(EError, "Unable to set up context sharing: %s",
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lastErrorText().c_str());
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}
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device->makeCurrent(this);
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m_borrowed = false;
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}
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GLRenderer::init(device);
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m_initialized = true;
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}
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void WGLRenderer::shutdown() {
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GLRenderer::shutdown();
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if (!m_borrowed) {
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Log(EDebug, "Shutting down WGL Renderer");
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wglDeleteContext(m_context);
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}
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m_initialized = false;
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}
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void *WGLRenderer::lookupExtension(const std::string &name) const {
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return (void *) wglGetProcAddress(name.c_str());
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}
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MTS_IMPLEMENT_CLASS(WGLRenderer, true, GLRenderer)
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MTS_NAMESPACE_END
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