void EntityRenderer::render(RenderContext& context) {
if (!m_boundsValid)
validateBounds(context);
if (!m_modelRendererCacheValid)
validateModels(context);
if (context.viewOptions().showEntityModels())
renderModels(context);
if (context.viewOptions().showEntityBounds())
renderBounds(context);
if (context.viewOptions().showEntityClassnames())
renderClassnames(context);
}
gfx::IntRect
Compositor::ComputeBackdropCopyRect(const gfx::Rect& aRect,
const gfx::IntRect& aClipRect,
const gfx::Matrix4x4& aTransform,
gfx::Matrix4x4* aOutTransform,
gfx::Rect* aOutLayerQuad)
{
// Compute the clip.
gfx::IntPoint rtOffset = GetCurrentRenderTarget()->GetOrigin();
gfx::IntSize rtSize = GetCurrentRenderTarget()->GetSize();
gfx::IntRect renderBounds(0, 0, rtSize.width, rtSize.height);
renderBounds.IntersectRect(renderBounds, aClipRect);
renderBounds.MoveBy(rtOffset);
// Apply the layer transform.
gfx::RectDouble dest = aTransform.TransformAndClipBounds(
gfx::RectDouble(aRect.x, aRect.y, aRect.width, aRect.height),
gfx::RectDouble(renderBounds.x, renderBounds.y, renderBounds.width, renderBounds.height));
dest -= rtOffset;
// Ensure we don't round out to -1, which trips up Direct3D.
dest.IntersectRect(dest, gfx::RectDouble(0, 0, rtSize.width, rtSize.height));
if (aOutLayerQuad) {
*aOutLayerQuad = gfx::Rect(dest.x, dest.y, dest.width, dest.height);
}
// Round out to integer.
gfx::IntRect result;
dest.RoundOut();
dest.ToIntRect(&result);
// Create a transform from adjusted clip space to render target space,
// translate it for the backdrop rect, then transform it into the backdrop's
// uv-space.
gfx::Matrix4x4 transform;
transform.PostScale(rtSize.width, rtSize.height, 1.0);
transform.PostTranslate(-result.x, -result.y, 0.0);
transform.PostScale(1 / float(result.width), 1 / float(result.height), 1.0);
*aOutTransform = transform;
return result;
}