Exemple #1
0
void Canvas::clip(const glm::mat4& transform, VertexArrayPtr pVA, GLenum stencilOp)
{
    // Disable drawing to color buffer
    glColorMask(0, 0, 0, 0);

    // Enable drawing to stencil buffer
    glStencilMask(~0);

    // Draw clip rectangle into stencil buffer
    glStencilFunc(GL_ALWAYS, 0, 0);
    glStencilOp(stencilOp, stencilOp, stencilOp);

    StandardShaderPtr pShader = GLContext::getCurrent()->getStandardShader();
    pShader->setUntextured();
    pShader->activate();
    glLoadMatrixf(glm::value_ptr(transform));
    pVA->draw();

    // Set stencil test to only let
    glStencilFunc(GL_LEQUAL, m_ClipLevel, ~0);
    glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);

    // Disable drawing to stencil buffer
    glStencilMask(0);

    // Enable drawing to color buffer
    glColorMask(~0, ~0, ~0, ~0);
}
Exemple #2
0
void Canvas::clip(const glm::mat4& transform, SubVertexArray& va, GLenum stencilOp)
{
    // Disable drawing to color buffer
    glColorMask(0, 0, 0, 0);

    // Enable drawing to stencil buffer
    glStencilMask(~0);

    // Draw clip rectangle into stencil buffer
    glStencilFunc(GL_ALWAYS, 0, 0);
    glStencilOp(stencilOp, stencilOp, stencilOp);

    StandardShaderPtr pShader = GLContext::getMain()->getStandardShader();
    pShader->setUntextured();
    pShader->setTransform(transform);
    pShader->activate();
    va.draw();

    // Set stencil test to only let
    glStencilFunc(GL_LEQUAL, m_ClipLevel, ~0);
    glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);

    // Disable drawing to stencil buffer
    glStencilMask(0);

    // Enable drawing to color buffer
    glColorMask(~0, ~0, ~0, ~0);
}
Exemple #3
0
void Shape::draw(const glm::mat4& transform, float opacity)
{
    bool bIsTextured = isTextured();
    GLContext* pContext = GLContext::getCurrent();
    StandardShaderPtr pShader = pContext->getStandardShader();
    pShader->setTransform(transform);
    pShader->setAlpha(opacity);
    if (bIsTextured) {
        m_pSurface->activate();
    } else {
        pShader->setUntextured();
        pShader->activate();
    }
    m_SubVA.draw();
}
Exemple #4
0
void Canvas::renderOutlines(const glm::mat4& transform)
{
    GLContext* pContext = GLContext::getMain();
    VertexArrayPtr pVA(new VertexArray);
    pContext->setBlendMode(GLContext::BLEND_BLEND, false);
    m_pRootNode->renderOutlines(pVA, Pixel32(0,0,0,0));
    StandardShaderPtr pShader = pContext->getStandardShader();
    pShader->setTransform(transform);
    pShader->setUntextured();
    pShader->setAlpha(0.5f);
    pShader->activate();
    if (pVA->getNumVerts() != 0) {
        pVA->update();
        pVA->draw();
    }
}
Exemple #5
0
void Canvas::renderOutlines()
{
    GLContext* pContext = GLContext::getCurrent();
    VertexArrayPtr pVA(new VertexArray);
    pContext->setBlendMode(GLContext::BLEND_BLEND, false);
    glMatrixMode(GL_MODELVIEW);
    glLoadMatrixf(glm::value_ptr(glm::mat4(1.0)));
    m_pRootNode->renderOutlines(pVA, Pixel32(0,0,0,0));
    StandardShaderPtr pShader = GLContext::getCurrent()->getStandardShader();
    pShader->setUntextured();
    pShader->activate();
    if (pVA->getCurVert() != 0) {
        pVA->update();
        pContext->enableGLColorArray(true);
        pVA->draw();
    }
}