コード例 #1
0
ファイル: Canvas.cpp プロジェクト: eladm29/libavg
void Canvas::renderWindow(WindowPtr pWindow, MCFBOPtr pFBO, const IntRect& viewport)
{
    GLContext* pContext = pWindow->getGLContext();
    pContext->activate();

    GLContextManager::get()->uploadDataForContext();
    renderFX(pContext);
    glm::mat4 projMat;
    if (pFBO) {
        pFBO->activate(pContext);
        glm::vec2 size = m_pRootNode->getSize();
        projMat = glm::ortho(0.f, size.x, 0.f, size.y);
        glViewport(0, 0, GLsizei(size.x), GLsizei(size.y));
    } else {
        glproc::BindFramebuffer(GL_FRAMEBUFFER, 0);
        projMat = glm::ortho(float(viewport.tl.x), float(viewport.br.x), 
                float(viewport.br.y), float(viewport.tl.y));
        IntPoint windowSize = pWindow->getSize();
        glViewport(0, 0, windowSize.x, windowSize.y);
    }
    {
        ScopeTimer Timer(VATransferProfilingZone);
        m_pVertexArray->update(pContext);
    }
    clearGLBuffers(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT,
            !pFBO);
    GLContext::checkError("Canvas::renderWindow: glViewport()");
    m_pVertexArray->activate(pContext);
    {
        ScopeTimer timer(RootRenderProfilingZone);
        m_pRootNode->maybeRender(pContext, projMat);
    }
    renderOutlines(pContext, projMat);
}